GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6790
86%
86%
AMD Radeon HD 6850
116%
116%
AMD Radeon HD 6850 is approximately 30% faster
Technical Specifications
| Specification | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| Graphics Processor | Barts | Barts |
| CoresDifferent | 800 | 960 |
| TMUsDifferent | 40 | 48 |
| ROPsDifferent | 16 | 32 |
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| GPU Name | Barts | Barts |
| GPU VariantDifferent | Barts LE(215-0798002) | Barts PRO(215-0798006) |
| Architecture | TeraScale 2 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| Transistors | 1,700 million | 1,700 million |
| Density | 6.7M / mm² | 6.7M / mm² |
| Die Size | 255 mm² | 255 mm² |
| Chip Package | HFCBGA-1737 | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Apr 4th, 2011 | Oct 21st, 2010 |
| GenerationDifferent | Northern Islands(HD 6700) | Northern Islands(HD 6800) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 149 USD | 179 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 37 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| GPU ClockDifferent | 840 MHz | 775 MHz |
| Memory ClockDifferent | 1050 MHz4.2 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 134.4 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 800 | 960 |
| TMUsDifferent | 40 | 48 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 12 |
| 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 6850 |
|---|---|---|
| Pixel RateDifferent | 13.44 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 33.60 GTexel/s | 37.20 GTexel/s |
| FP32 (float)Different | 1,344.0 GFLOPS | 1,488.0 GFLOPS |
Board Design
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| Length | 198 mm7.8 inches | 198 mm7.8 inches |
| TDPDifferent | 150 W | 127 W |
| Suggested PSUDifferent | 450 W | 300 W |
| OutputsDifferent | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin |
| Board NumberDifferent | C220, 109-C22237-00 | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 6850 |
|---|---|---|
| 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
7
Specifications Compared
8
Feature Categories
44
Detailed Features
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 Performance119%
GeForce GTX 285 is 19% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs Radeon HD 6850
Radeon HD 6850 Performance116%
Radeon HD 6850 is 16% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs GeForce GTX 280
GeForce GTX 280 Performance109%
GeForce GTX 280 is 9% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance109%
Radeon HD 7770 GHz Edition is 9% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs GeForce GTX 275
GeForce GTX 275 Performance108%
GeForce GTX 275 is 8% faster than AMD Radeon HD 6790
Compare Detailed Specs
AMD Radeon HD 6790 vs GeForce GTX 460
GeForce GTX 460 Performance106%
GeForce GTX 460 is 6% faster than AMD Radeon HD 6790
Compare Detailed Specs
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 Performance116%
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance111%
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
Compare Detailed Specs