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

