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The AMD Radeon HD 7850 is currently one of the best mid-range graphics cards on the market, and for good reason. Just by comparison to the GTX 570, the HD 7850 offers comparable performance, lower power consumption and better (lower) acoustic levels, while still being cheaper than NVIDIA's offering. All of these make the HD 7850 an excellent option for mid-range gamers that want top notch performance without breaking the bank. Of course, most HD 7850 graphics cards from manufacturers are not based on the reference design, and are in fact faster, more thermal efficient and quieter than the reference model.
Today we are examining Sapphire’s aftermarket design of the HD 7850 which sports a custom Dual-X cooling technology, a highly efficient multi-heatpipe cooler and a dual fan design. The Sapphire model also has increased clock speeds, as the core clock has been increased to 920MHz and the 2GB GDDR5 memory has been cranked up to 5000MHz effective. Additionally, the Sapphire HD 7850 OC comes with a generous bundle that includes a High-Speed HDMI cable, Mini-DisplayPort to DisplayPort adapter and more.
Just a month after the launch of both the Pitcairn XT and Pro graphics processors there are already a handful of custom designs on the market. This means Sapphire is going to be up against some stiff competition. Will Sapphire's custom design and package bundle make its HD 7850 Overclocked Edition a standout in its class ?
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Specifications |
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|---|---|
| Output |
1 x Dual-Link DVI 1 x HDMI (with 3D) 2 x Mini-DisplayPort DisplayPort 1.2 |
| GPU |
920 MHz Core Clock 28 nm Chip 1024 x Stream Processors |
| Memory |
2048 MB Size 256 -bit GDDR5 5000 MHz Effective |
| Dimension | 210(L)x105(W)x35(H) mm Size. |
| Accessory |
CrossFire™ Bridge Interconnect Cable Mini-DP to DP Cable 6 PIN to 4 PIN Power Cable HDMI to SL-DVI Adapter(Full Retail SKU only) HDMI 1.4a high speed 1.8 meter cable(Full Retail SKU only) |
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My system nets 44 average FPS on Phenom II X4 @ 3,8 GHz @ 2,4 NB with 8 GB DDR 1600 mem and GTX 460 clocked 880/4200.
Here are my results: http://dl.dropbox.com/u/69158998/unigine.html
I have OC this card to 1200Mhz core and 1300 memory on stock voltage.
EDIT: I just purchased this exact card, btw, a couple days ago. Should be here by Monday. Should be a nice upgrade from my HD4870. 7-series should be so much more improvement with my Q6600 @ 3.43ghz and a FSB of around 1700mhz, lol. We'll see which bottlenecks which.
I went with it over the GTX570 because of price and wow, look at the temps and power consumption. What? 7850 OC eating 218w while the GTX570, performing nearly the same, eating 100 extra watts of power. I do miss the fact that I don't have PhysX or CUDA. But, it's still a monster and uses MUCH less power while eating games alive.
I have a 650w TX Corsair, single 12v 56a rail. Geez, I'd say it'd actually get warm with a GTX 570 in it.