GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6850
AMD Radeon HD 6970
Technical Specifications
| Specification | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| Graphics ProcessorDifferent | Barts | Cayman |
| CoresDifferent | 960 | 1536 |
| TMUsDifferent | 48 | 96 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| GPU NameDifferent | Barts | Cayman |
| GPU VariantDifferent | Barts PRO(215-0798006) | Cayman XT(215-0807007) |
| ArchitectureDifferent | TeraScale 2 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 1,700 million | 2,640 million |
| DensityDifferent | 6.7M / mm² | 6.8M / mm² |
| Die SizeDifferent | 255 mm² | 389 mm² |
| Chip PackageDifferent | HFCBGA-1737 | N/A |
Graphics Card
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| Release DateDifferent | Oct 21st, 2010 | Dec 14th, 2010 |
| GenerationDifferent | Northern Islands(HD 6800) | Northern Islands(HD 6900) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 179 USD | 369 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 105 in our database | 80 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| GPU ClockDifferent | 775 MHz | 880 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 128.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| Shading UnitsDifferent | 960 | 1536 |
| TMUsDifferent | 48 | 96 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 12 | 24 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| Pixel RateDifferent | 24.80 GPixel/s | 28.16 GPixel/s |
| Texture RateDifferent | 37.20 GTexel/s | 84.48 GTexel/s |
| FP32 (float)Different | 1,488.0 GFLOPS | 2.703 TFLOPS |
| FP64 (double)Different | N/A | 675.8 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 198 mm7.8 inches | 286 mm11.3 inches |
| TDPDifferent | 127 W | 250 W |
| Suggested PSUDifferent | 300 W | 600 W |
| OutputsDifferent | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C22301-00B | 109-C20047-00 |
| HeightDifferent | N/A | 126 mm5 inches |
| WidthDifferent | N/A | 42 mm1.7 inches |
Graphics Features
| Feature | AMD Radeon HD 6850 | AMD Radeon HD 6970 |
|---|---|---|
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | N/A | N/A |
| Shader Model | 5.0 | 5.0 |
Comparison Summary
More Comparisons with AMD Radeon HD 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
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

