GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6790
AMD Radeon HD 6970
Technical Specifications
| Specification | AMD Radeon HD 6790 | AMD Radeon HD 6970 |
|---|---|---|
| Graphics ProcessorDifferent | Barts | Cayman |
| CoresDifferent | 800 | 1536 |
| TMUsDifferent | 40 | 96 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6970 |
|---|---|---|
| GPU NameDifferent | Barts | Cayman |
| GPU VariantDifferent | Barts LE(215-0798002) | 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 6790 | AMD Radeon HD 6970 |
|---|---|---|
| Release DateDifferent | Apr 4th, 2011 | Dec 14th, 2010 |
| GenerationDifferent | Northern Islands(HD 6700) | Northern Islands(HD 6900) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 149 USD | 369 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 37 in our database | 80 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6970 |
|---|---|---|
| GPU ClockDifferent | 840 MHz | 880 MHz |
| Memory ClockDifferent | 1050 MHz4.2 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6970 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 134.4 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6970 |
|---|---|---|
| Shading UnitsDifferent | 800 | 1536 |
| TMUsDifferent | 40 | 96 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 24 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6970 |
|---|---|---|
| Pixel RateDifferent | 13.44 GPixel/s | 28.16 GPixel/s |
| Texture RateDifferent | 33.60 GTexel/s | 84.48 GTexel/s |
| FP32 (float)Different | 1,344.0 GFLOPS | 2.703 TFLOPS |
| FP64 (double)Different | N/A | 675.8 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 198 mm7.8 inches | 286 mm11.3 inches |
| TDPDifferent | 150 W | 250 W |
| Suggested PSUDifferent | 450 W | 600 W |
| OutputsDifferent | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | C220, 109-C22237-00 | 109-C20047-00 |
| HeightDifferent | N/A | 126 mm5 inches |
| WidthDifferent | N/A | 42 mm1.7 inches |
Graphics Features
| Feature | AMD Radeon HD 6790 | 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 6790
Compare AMD Radeon HD 6790 with other GPUs of similar performance
AMD Radeon HD 6790 vs GeForce GTX 285
GeForce GTX 285 is 19% faster than AMD Radeon HD 6790
AMD Radeon HD 6790 vs Radeon HD 6850
Radeon HD 6850 is 16% faster than AMD Radeon HD 6790
AMD Radeon HD 6790 vs GeForce GTX 280
GeForce GTX 280 is 9% faster than AMD Radeon HD 6790
AMD Radeon HD 6790 vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition is 9% faster than AMD Radeon HD 6790
AMD Radeon HD 6790 vs GeForce GTX 275
GeForce GTX 275 is 8% faster than AMD Radeon HD 6790
AMD Radeon HD 6790 vs GeForce GTX 460
GeForce GTX 460 is 6% faster than AMD Radeon HD 6790
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

