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Noutăţi, prezentări, teste laptop
by Foxter
[23 November 2014, 15:48]
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Users: 0Guests: 108Total: 108<div><span style="font-size: small;">Corsair is a very well-known manufacturer among technology enthusiasts, and the company has been a supplier of premium memory modules for decades. During the past several years however, the company has successfully diversified into many segments of the market and today offers numerous products: computer cases, power supply units, air and liquid CPU coolers, solid-state drives, and gaming peripherals can all be found in Corsair's product ranks.</span></div>
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<div><span style="font-size: small;">With the recent announcement of the Obsidian 250D, the company chose to start 2014 by joining the Mini ITX case fever, something most other large case designers and manufacturers have done recently. The Obsidian 250D however has not been designed with minimum proportions in mind; despite the Mini ITX format, it can still house very powerful gaming systems and advanced cooling solutions.</span></div>
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<div><span style="font-size: small;"><a href="http://www.anandtech.com/show/7710/corsair-obsidian-250d-case-review" target="_top">Read more...</a></span></div>
The first major component launch of 2014 falls at the feet of AMD and the next iteration of its APU platform, Kaveri. Kaveri has been the aim for AMD for several years, it's actually the whole reason the company bought ATI back in 2006. As a result many different prongs of AMD’s platform come together: HSA, hUMA, offloading compute, unifying GPU architectures, developing a software ecosystem around HSA and a scalable architecture. This is, on paper at least, a strong indicator of where the PC processor market is heading in the mainstream segment. For our Kaveri review today we were sampled the 45/65W (cTDP) A8-7600 and 95W A10-7850K Kaveri models. The A10-7850K is available today while the A8 part will be available later in Q1.
<div><span style="font-size: small;">Alongside their line of channel and ROG motherboards, ASUS also has business (B/Q chipset) and Workstation (WS) lines for professional markets. The goal of these products is compatibility and stability – the desire to be a rock solid product in the face of any computational conundrum. Today we are reviewing hopefully the first of many ASUS WS motherboards – the P9X79-E WS, for the socket 2011 / performance Xeon market. This is an upgrade over the P9X79 WS, featuring a PLX chip giving seven full length PCIe slots.</span></div>
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<div><span style="font-size: small;">The goal of the P9X79-E WS is to be able to tackle anything a user wants to use in it: in order to ensure this, ASUS try to validate as many RAID cards, 10 GbE cards, FPGA and PCIe devices as possible. The goal of the P9X79-E WS is to be the final frontier in single socket performance, suggesting that a 12 core Xeon E5-2697W and several of the latest Xeon Phi cards is just a walk in the park, as well as any consumer level CPU. If a user needs to run seven RAID cards should not be a problem here.</span></div>
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<div><span style="font-size: small;">Several of the main features of workstation motherboards are hard to test from a review point of view. Compatibility is wholly taken from the QVL list: either a device works or it does not – if I find a device that does not and tell ASUS, chances are it will probably be working in the next BIOS update. Stability and longevity is hard to test as well – these motherboards are built to withstand several years at full throttle in high ambient temperatures, so if I tested it like that and it fails or works, then it might be up to the sample and I would have to take a statistical look at MTBF (mean time between failures) – a test not within my remit and could take a while to perform! Feature comparisons and performance are thus vital to our testing – aesthetics for gaming motherboard evaluations are not required here. It needs to work, ideally out of the box, and work well.</span></div>
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<div><span style="font-size: small;"><a href="http://www.anandtech.com/show/7613/asus-p9x79e-ws-review" target="_blank">Read more...</a></span></div>
<p><span style="font-size: small;"> <span style="color: rgb(0, 0, 0);"><font face="Arimo, sans-serif"><span style="line-height: 21px; -webkit-text-stroke-width: 1px; -webkit-text-stroke-color: rgba(0, 0, 0, 0);">Intel's high-end Crystal Well, the Core i7-4770R, has remained out of reach for consumers despite being introduced back in June 2013. While Apple's notebooks use the mobile Crystal Well parts, the 2013 iMac restricts itself to the Core i5-4570R. Users wanting to stay out of the Apple ecosystem have been left in the cold. Gigabyte is coming to the rescue with the launch of the BRIX Pro in the NUC form factor</span></font></span></span></p>
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<p><span style="color: rgb(0, 0, 0);"><font face="Arimo, sans-serif"><span style="font-size: 14px; line-height: 21px; -webkit-text-stroke-width: 1px; -webkit-text-stroke-color: rgba(0, 0, 0, 0);"><a href="http://www.anandtech.com/show/7648/gigabyte-brix-pro" target="_blank"><span style="font-size: small;">Read more...</span></a></span></font></span></p>
<p><span style="font-size: small;"><span style="color: rgb(0, 0, 0);"><span style="font-family: Arimo, sans-serif; line-height: 21px; -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);">When Ivy Bridge-E arrived, there was discontent at the lack of a new chipset. Users who wanted to migrate to the high performance end of the spectrum received a relatively small bump in performance over Sandy Bridge-E and Haswell on the mainstream was offering better IPC. To compound all this, the X79 chipset looks dated, with no native USB 3.0 and only two SATA 6 Gbps. ASUS have tried to address this balance somewhat by releasing an upgrade to the bestselling X79 motherboard: the Rampage IV Black Edition is an evolution of the Rampage IV Extreme, incorporating as many aspects of the Maximus Z87 series as possible into an antiquated chipset.</span></span></span></p>
<p><span style="font-size: small;"><a href="http://www.anandtech.com/show/7612/asus-rivbe" target="_blank">Read more...</a></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><span style="color: rgb(0, 0, 0);">The Intel NUC category has been an interesting product line to analyze, as it provides us with insights into where the traditional casual / home use desktop market might end up. Officially falling under Ultra-Compact Form Factor PCs (UCFF), units in this category take miniaturization to the extreme by even making 2.5" drives unnecessary. Last year, we reviewed Intel's first NUC. Fast forward to the present, and we have the Haswell-based NUC already in the market. How does Haswell improve upon the original NUC? Before going into that, a little bit of history is in order.</span></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><span style="color: rgb(0, 0, 0);">The ultra-compact form factor (UCFF) for PCs was originally championed by VIA Technologies with their nano-ITX (12cm x 12cm) and pico-ITX (10cm x 7.2cm) boards. Zotac was one of the first to design a custom UCFF motherboard (sized between nano-ITX and pico-ITX) for the ZBOX nano XS AD11 based on AMD Brazos. The motherboard was approximately 10cm x 10cm. Intel made this motherboard size a 'standard' with the introduction of the Intel NUC boards in May 2012. The first generation Intel NUCs were both launched with Core i3 17W TDP CPUs. While one model had a GbE port, the other traded it for a Thunderbolt port.</span></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"> <span style="font-size: small;"><span style="color: rgb(0, 0, 0);">The Haswell NUCs come in two varieties too, but Intel has opted for a more conventional configuration this time around (particularly due to the slow uptake in Thunderbolt adoption in the target market). The following table provides a quick look at the specification of the two Haswell NUCs, with our review configuration highlighted. The WYB suffix refers to the board alone, while the WYK suffix refers to the kit with the chassis. The WYKH increases the dimensions of the chassis to support a 2.5" HDD / SSD in addition to the mSATA drive.</span></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><a href="http://www.anandtech.com/show/7566/intels-haswell-nuc-d54250wyk-ucff-pc-review" target="_blank">Read more...</a></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"> </p>
<p><span style="font-size: small;"><span style="color: rgb(0, 0, 0);"><span style="font-family: Arimo, sans-serif; line-height: 21px; -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);">Beauty is in the eye of the beholder, or so the saying goes. Most development in home computers veers toward the ultra large (high impact gaming machines for 4K resolutions/multi-monitor immersive experiences) or the ultra-tiny (Intel NUC, Raspberry Pi). The downside of these two extremes is usually cost, and most regular Joes go for something in the middle trading one side for the other. One popular build right now is mini-ITX in a Bitfenix Prodigy chassis, as it offers space for a full on GPU or many 2.5” storage drives. ASRock now come to the market with the M8 barebones based on a BMW design for the Z87 platform, at half the width of the Bitfenix Prodigy and a high build quality. It mirrors what we are seeing with the latest consoles, and thus offers a prime opportunity as a Steam Box.</span></span></span></p>
<p><span style="font-size: small;"><a href="http://www.anandtech.com/show/7604/asrock-m8" target="_blank">Read more</a></span></p>
There are numerous trends that have been ongoing in the recent years on the market of central processing units (CPUs): increasing share of x86 CPUs with integrated graphics engines and heterogeneous multi-core chips in general, growing importance of low-power and mobile x86 processors, emergence of high-performance ARM system-on-chips for mobile and server applications, and some others. In 2014 all those trends will have a tremendous effect on the market.
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><span style="color: rgb(0, 0, 0);">When we first took a look at AMD’s Radeon R9 290 back in November, what we found was a card that was on the whole a mixed bag. On the one hand the amount of performance offered for the price was unequaled. AMD decided they wanted to take on the $500 GeForce GTX 780 and win, and they did just that by delivering performance better than the GTX 780 for just $400. This made 290 a very potent card for gamers still looking for a value at the high-end.</span></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><span style="color: rgb(0, 0, 0);">On the other hand AMD had to make significant sacrifices elsewhere to get there. AMD’s reference cooler already struggled to keep the 290X without generating excessive noise, and for the 290 AMD needed to turn up the fan speed even further in order to ensure the 290’s average performance was very close to its maximum performance. The end result was that while the reference 290 was fast it was also obnoxiously loud, especially in comparison to the high-end cards of the last few years. Ultimately this meant that for buyers concerned about noise the options available were either to take a performance reduction or pay quite a bit more for a GTX 780.</span></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><span style="color: rgb(0, 0, 0);">With that said, we have known since that first day that the stories of the 290 and 290X weren’t yet complete. While the reference cards set the bar for performance and (for better or worse) drive the overall perception of the series, the modern board partner system means that in time we can look forward to partners eventually releasing semi-custom and fully-custom cards, which use custom coolers and custom boards respectively. Customization allows the board partners to differentiate from each other by designing cards around different capabilities – be it size, cooling, or overclocking – in the process creating a wide spectrum of cards for a wide spectrum of use cases. Or with respect to the 290 in particular, customization offers partners a chance to go back and try to improve on the reference 290’s weakness, its noisy cooler.</span></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><span style="color: rgb(0, 0, 0);">Ever since the 290 review there has been a lot of chatter and questions about when we’d see the first customized cards show up, and the answer is that customized cards are finally here. There are already a handful of models on the shelves now with a number more to arrive over the next few weeks, and over the coming weeks we’ll be taking a look at several of those models. The first such card we’ll be looking at is Sapphire’s first customized card, the Sapphire Radeon R9 290 Tri-X OC.</span></span></p>
<p style="box-sizing: border-box; margin: 13px 0px; padding: 0px; border: 0px; font-family: Arimo, sans-serif; font-size: 14px; line-height: 21px; vertical-align: baseline; color: rgb(68, 68, 68); -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);"><span style="font-size: small;"><a href="http://www.anandtech.com/show/7601/sapphire-radeon-r9-290-review-our-first-custom-cooled-290" target="_blank">Read more...</a></span></p>
<p><span style="font-size: small;"><span style="color: rgb(0, 0, 0);"><span style="font-family: Arimo, sans-serif; line-height: 21px; -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);">After the wave of cheap 27” monitors from South Korea hit Ebay, a number of vendors started to offer their own inexpensive models. One of the first models to hit the US, and one that </span>I reviewed here<span style="font-family: Arimo, sans-serif; line-height: 21px; -webkit-text-stroke-color: rgba(0, 0, 0, 0); -webkit-text-stroke-width: 1px; background-color: rgb(246, 246, 246);">, was the VUE27 from Nixeus. Now they have released their newest version, the VUE27D. Stripping the input selection down to a single DisplayPort input, the VUE27D reaches for an even lower price point than before. With all the changes in the display marketplace over the past year, how will the VUE27D fare today?</span></span></span></p>
<p><span style="font-size: small;"><a href="http://www.anandtech.com/show/7585/nixeus-vue27d-monitor-review" target="_blank">Read more...</a></span></p>