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Topic de reduceri la jocuri
by Foxter
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Noutăţi, prezentări, teste laptop
by Foxter
[23 November 2014, 15:48]
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Users: 0Guests: 258Total: 258Gigabyte GA-Z87X-OC motherboard is targeted for open testbeds and overclocking experiments. That is why it has a bunch of special and very interesting distinctive features. But this mainboard is not optimal for ordinary desktops and in this review we tell you why.
<p><span style="font-size: small;"><span style="font-family: Tahoma, Arial, Helvetica, Geneva, sans-serif; line-height: 18px;">We have tested younger model of Hawaii XT graphics card. What is performance drop compared to Radeon R9 290X? Can Radeon R9 290 be a powerful rival against Nvidia's GPUs?</span></span></p>
<p><span style="font-size: small;"><a href="http://www.xbitlabs.com/articles/graphics/display/radeon-r9-290.html" target="_blank">Read more...</a></span></p>
<p><span style="font-size: small;">Breaking into the X79 game at this late stage is a rough business. The major action was at the Sandy Bridge-E launch, and the Ivy Bridge-E release was a minor bump in comparison. Due to the lack of a new chipset, only a few motherboard vendors put a new product onto the market for the IVB-E launch. One of them was MSI, with the slightly non-conventional X79A-GD45 Plus, which we are reviewing today.</span></p>
<p><span style="font-size: small;"><a href="http://www.anandtech.com/show/7752/msi-x79agd45-plus-review-building-up" target="_blank">Read more...</a></span></p>
Nanoxia is a German manufacturer of high performance PC cases, and they're already well known amongst enthusiasts despite the fact that the company isn't even two years old. Since our review of their first product a year ago, the Deep Silence 1, the company has come a long way. They've released six cases and are slowly taking steps towards diversifying into other market segments. Nanoxia has also released multiple case accessories and four different cooling fans series. Unfortunately, the availability of their products in the US market remains sketchy at best, but that will hopefully be changing as we reported at CES -- and it can hardly be any worse than last year where the only option as to import their products.
Today we are looking at their latest and grandest creation, the Deep Silence 6. As the name implies, this is the sixth case that Nanoxia has designed and it's targeted towards a very specific segment of the market, namely hardcore enthusiasts and advanced users that want a very large case. The specifications of the case can be seen in the following table and certainly are impressive, particularly the dimensions and weight of the case. If you're like me and may be a bit lacking in upper body strength, you might need a friend or two to cope with moving the DS6.
Things are quickly heating up for what should prove to be an interesting February in the desktop video card market. AMD has already been up to bat once this week with the launch of the Radeon R7 250X, pushing AMD’s Cape Verde GPU back into the picture as the new anchor of their $99 price point. Now just 3 days later AMD is coming up to bat again, this time with the Radeon R7 265.
The launch of the 250X earlier this week and now the 265 are part of a larger refactoring of AMD’s mainstream desktop product family. AMD is cutting prices and launching new products both to maintain and enhance their competitive position, and to fill holes in their lineup – however small – to cover as many price points as possible. The end result is that along with a price cut for the existing R7 260X, which will see AMD’s flagship Bonaire part drop to $119, AMD is also using this time to launch parts above it and below it in order to fill the holes this refactoring is creating.
A key part of that refactoring strategy will be today’s launch of the Radeon R7 265. With R7 260X dropping to $119 and R9 270 holding at $179 (MSRP), AMD has a $60 gap that needs to be filled with a new product, and R7 265 is that product. Based on AMD’s venerable Pitcairn GPU, R7 265 will be filling this gap by bringing a variant of the Radeon HD 7850 back to the market, creating a 3rd tier Pitcairn product for the 200 series. Compared to the 7850 that it’s based on, R7 265 is receiving the same GPU clockspeed and memory clockspeed bump that the 7870-derrived R9 270 series saw last year that will make the R7 265 a bit faster than the 7850 it functionally replaces and making it better suited to fill the gap between the R9 270 and R7 260X.
Meanwhile we also have on hand AMD’s Radeon R7 260 (vanilla). First announced back in mid-December and finally reaching shelves towards late January, R7 260 is AMD’s 2nd tier Bonaire part, creating a lower cost, lower performance variant of the R7 260X. Given the close timing of these launches, and since we’re already looking at one 260 series part today in the 265, we’ll also be taking a look at the 260 so that we can take a complete inventory of AMD’s $100-$150 lineup.
Remember the time when liquid cooling a computer chip was considered to be an extreme approach, one performed by hardcore enthusiasts and overclockers alone? Everything had to be personally designed and or procured by the user, as there were no specialized commercial products available at the time. Radiators were modified heater cores extracted from cars, CPU blocks were rare and occasionally machined at local workshops using a copper block and a lathe, while high-performance tubing came from shops with medical supplies.
As demand grew, aided by the ever-increasing noise of small CPU heatsinks, companies specializing on liquid cooling solutions began turning up -- a little too fast perhaps, as tens of companies were founded within a few months' time and very few of them actually survived for more than a couple of years. Enthusiasts could then buy specialized liquid cooling equipment and even whole kits from just one seller and only had to assemble the setup into their system. That of course is no simple process for an amateur and a nightmare for a system builder, who cannot ship a system with a topped off water cooling tank or assume that the user has the skills required to maintain such a system, therefore the potential market remained limited to advanced users only.
This all changed in 2012, when Asetek came up with an inexpensive closed loop solution, a liquid cooling device that was leak-free and required no maintenance at all. The radiators of the first few solutions were small and their overall performance hardly better than that of air coolers; however, aided by the modernization of computer cases, the mounting of larger, thicker radiators inside a PC soon was not a problem. In many cases the kits were now no harder to install than any CPU cooler and required no maintenance at all, opening the market to virtually every computer user seeking a performance cooling solution. This spurred massive interest amongst OEMs and manufacturers, who all strive for a slice of the pie.
There have been tens of AIO (All-in-One) closed loop liquid coolers released just in 2013; today, we are having a roundup with 14 of them, coming from five different manufacturers.
While 21:9 displays have never caught on for TVs, they seem to have found a niche with computers. Now most vendors have at least one 21:9 display, and at CES this year we saw larger, higher resolution 21:9 panels introduced. All of these panels are aimed at consumers so far, with an emphasis on integrated audio, multiple video inputs, MHL, and other consumer features. Because of this it isn't a surprise that the 21:9 display from NEC is also consumer focused, but let's see how it performs.
The EA293WMi is a 21:9 monitor with 2560x1080 resolution. As with all the 21:9 displays so far, the backlight is an edge-lit white LED that provides the sRGB color gamut but not AdobeRGB. I asked NEC what their target audience is with the 21:9 aspect ratio, as figuring that out has been somewhat challenging.
As I expected, their main target is people that want a display that multitasks between computer and movies or games. For people that watch a lot of films that are shot in the 2.39:1 aspect ratio (which is around half of the movies released each year), the 21:9 aspect ratio allows you to watch those films without black bars at the top. As someone that has a 2.40:1 projection system at home, I understand the desire to watch films without any letterboxing.
Another target that I was unaware of is medical imaging. For lots of medical imaging, people are still using a pair of 19", 4:3 displays to view content. A 29" 21:9 monitors provides a near direct drop-in replacement for those two displays as you can't really purchase them anymore. The NEC contains a DICOM (Digital Imaging and Communications in Medicine) mode, specifically targeting this use case. This is not a use that I, or most people, would likely be aware of but it does help to explain where 21:9 displays will fit in.
Most of the 21:9 monitors on the market have been more concerned with looks over usability. They have nice, thin profiles but lack height adjustments or VESA mounting holes on the back. They look stylish but if you want them at any other height you'll need to place them on top of something. Additionally if you want to use them in portrait mode, where their extra height can be a useful feature, you are going to need to come up with a complex system of mounting it to something. This lack of adjustments is a pet peeve of mine, so I'm happy to report that NEC doesn't restrict their display in this way.
<p><span style="font-size: small;">The TUF range from ASUS is a different sort of blip on the motherboard radar – they come with a five year warranty. ASUS will mention that the hardware is built around the idea of stability, using upgraded components in order to do so. I have rarely had the chance to look at the TUF range, but today we look at ASUS’ first micro-ATX TUF motherboard, the Z87 Gryphon.</span></p>
<p><span style="font-size: small;"><a href="http://www.anandtech.com/show/7720/asus-tuf-z87-gryphon-review" target="_blank">Read more...</a></span></p>
<div><span style="font-size: small;">One of the drawbacks of buying a barebones PC like Intel’s NUC—at least if you’re a Windows user—is that it comes with no operating system. The big PC OEMs get Windows at a steep discount compared to end users, and you’ll have to pay somewhere in the neighborhood of $100 for a full OEM Windows license (and more if you want a retail version with tech support).</span></div>
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<div><span style="font-size: small;">The other side of that coin is that barebones PCs can be good for people who aren’t planning on paying for an OS. You can use your favorite Linux distribution on a barebones PC without paying the added cost for some Windows license you have no intention of using.</span></div>
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<div><span style="font-size: small;">As a follow-up to our original review, we’ve installed four different Linux distributions to the Haswell NUC to get an idea of what open source enthusiasts can expect to experience when they load up Linux on the hardware. We tried Ubuntu 13.10, Linux Mint 16, and Fedora 20 because of their popularity, and then we loaded up SteamOS to test out its recently acquired Intel graphics support.</span></div>
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<div><a href="http://arstechnica.com/gadgets/2014/02/linux-on-the-nuc-using-ubuntu-mint-fedora-and-the-steamos-beta/" target="_blank"><span style="font-size: small;">Read more...</span></a></div>
Finally we can tell about Radeon R9 290X performance. The top AMD graphics card is competing now with very powerful rivals: Nvidia GeForce GTX 780 and GeForce GTX 780 Ti.