GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
AMD Radeon HD 6970
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| Graphics ProcessorDifferent | Tonga | Cayman |
| CoresDifferent | 1792 | 1536 |
| TMUsDifferent | 112 | 96 |
| ROPs | 32 | 32 |
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| GPU NameDifferent | Tonga | Cayman |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Cayman XT(215-0807007) |
| ArchitectureDifferent | GCN 3.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 5,000 million | 2,640 million |
| DensityDifferent | 13.7M / mm² | 6.8M / mm² |
| Die SizeDifferent | 366 mm² | 389 mm² |
Graphics Card
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Dec 14th, 2010 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6900) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 369 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 59 in our database | 80 in our database |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| GPU ClockDifferent | 918 MHz | 880 MHz |
| Memory Clock | 1375 MHz5.5 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| Bandwidth | 176.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| Shading UnitsDifferent | 1792 | 1536 |
| TMUsDifferent | 112 | 96 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 28 | 24 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 28.16 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 84.48 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 2.703 TFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | 675.8 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 221 mm8.7 inches | 286 mm11.3 inches |
| HeightDifferent | 109 mm4.3 inches | 126 mm5 inches |
| WidthDifferent | 36 mm1.4 inches | 42 mm1.7 inches |
| TDPDifferent | 190 W | 250 W |
| Suggested PSUDifferent | 450 W | 600 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | C766 | 109-C20047-00 |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6970 |
|---|---|---|
| DirectXDifferent | 12 (12_0) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 | 5.0 |
Comparison Summary
More Comparisons with AMD Radeon R9 285
Compare AMD Radeon R9 285 with other GPUs of similar performance
AMD Radeon R9 285 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition is 14% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X is 12% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
More Comparisons with AMD Radeon HD 6970
Compare AMD Radeon HD 6970 with other GPUs of similar performance
AMD Radeon HD 6970 vs GeForce GTX 1050
GeForce GTX 1050 is 19% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 760
GeForce GTX 760 is 18% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 580
GeForce GTX 580 is 18% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 660 Ti
GeForce GTX 660 Ti is 18% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs Radeon R9 270X
Radeon R9 270X is 16% faster than AMD Radeon HD 6970
AMD Radeon HD 6970 vs GeForce GTX 950
GeForce GTX 950 is 13% faster than AMD Radeon HD 6970

