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by Ryan-Shrout (Sep, 2014)Clearly the newer architecture has allowed AMD engineers to spend some time tweaking the organization of the Compute Units in a way to improve overall efficiency.
by hassan-mujtaba (Aug, 2014)This suggests that the Tonga GPU is highly efficient and AMD took this approach due to NVIDIA’s recent Kepler launches which turned out to deliver great performance at absolute low TDPs of 65W (GeForce GTX 750 series).
Benchmarks Real world tests of the GeForce GTX 285
PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark
3DMark Vantage (Texture Fill) Industry standard benchmark that tests DirectX performance
T-Rex (GFXBench 3.0) Data courtesy CompuBench
Cloud Gate Factor Data courtesy FutureMark
Battleforge 1920x1200 - Maximum quality + 4XAA
Hawx 1920 x 1200 - Maximum quality + Low AO + 4xAA
SmallLux GPU 2.0d4 Measures compute performance using OpenCL to do 3D rendering
SmallLux GPU 1.7Beta Measures compute performance using OpenCL to do 3D rendering
In The News From around the web
| 4 Sep |
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NVIDIA has no plans to introduce a dual Maxwell chip this early but they are planning to stir up the professional market with the Tesla K80 graphics card which is a dual GK110 based card, similar to the Titan Z in terms of design.
The overall specifications did result in a TDP increase from 195W to 230 (GeForce GTX 680 vs GeForce GTX 770) but it meant better performance and overclocking potential since the card did make use of a better reference PCB.
| 2 Sep |
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It is great to see that this $249 GPU can handle Bioshock Infinite at 2560x1440 over 60 FPS on average.
The only outward sign that we are dealing with a new piece of silicon is the lack of any CrossFire connections.
| 11 Aug |
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What is pretty sure now is that we are looking at Tonga Pro GPU which will have a 256-bit memory interface connected to 2GB of GDDR5 memory (although some partners might make a 4GB version as well).
Sapphire's pictured R9 285 will feature Sapphire's Dual-X dual-fan cooler and will use the design which we already seen on some of the earlier Sapphire graphics cards, and same will most likely go for all other AMD AIB partners.
| 9 Aug |
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This suggests that the Tonga GPU is highly efficient and AMD took this approach due to NVIDIA’s recent Kepler launches which turned out to deliver great performance at absolute low TDPs of 65W (GeForce GTX 750 series).
Videocardz has popped the lid on AMD’s upcoming Radeon R9 285 graphics card and leaked a couple of them from various AIBs.
Specifications Full list of technical specs
gpu
| GPU brand | Nvidia |
|---|---|
| GPU name | GT200 B3 |
| Market | Desktop |
| Clock speed | 648 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 240 |
|---|---|
| Texture mapping units | 80 |
| Render output processors | 32 |
| Pixel rate | 20.74 GPixel/s |
| Texture rate | 51.84 GTexel/s |
| Floating-point performance | 708.5 GFLOPS |
memory
| Memory clock speed | 1,242 MHz |
|---|---|
| Effective memory clock speed | 2,484 MHz |
| Memory bus | 512 bit |
| Memory | 1,024 MB |
| Memory type | GDDR3 |
| Memory bandwidth | 159 GB/s |
noise and power
| TDP | 204W |
|---|---|
| Idle noise level | 46.4 dB |
| Load noise level | 49.5 dB |
| Idle power consumption | 142W |
| Load power consumption | 368W |
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Competitors
 | AMD Radeon HD 7770
|
 | Colorful GeForce GTX 650
|
 | ATi Radeon HD 5850
|
 | Nvidia GeForce GTX 550 Ti
|
 | ATi Radeon HD 5770
|
 | Nvidia GeForce GTX 280
|
 | Nvidia GeForce GTS 450
|
Other GeForce GTX 285s
 | ZOTAC GeForce GTX 285 AMP! Edition
|
 | EVGA GeForce GTX 285 Hydro Copper
|
 | Gainward GeForce GTX 285 GS 2 GB
|
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