GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6790
92%
92%
AMD Radeon HD 7770 GHz Edition
290%
290%
AMD Radeon HD 7770 GHz Edition is approximately 198% faster
Technical Specifications
| Specification | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Barts | Cape Verde |
| CoresDifferent | 800 | 640 |
| TMUs | 40 | 40 |
| ROPs | 16 | 16 |
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU NameDifferent | Barts | Cape Verde |
| GPU VariantDifferent | Barts LE(215-0798002) | Cape Verde XT(215-0825117) |
| ArchitectureDifferent | TeraScale 2 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 1,700 million | 1,500 million |
| DensityDifferent | 6.7M / mm² | 12.2M / mm² |
| Die SizeDifferent | 255 mm² | 123 mm² |
| Chip PackageDifferent | HFCBGA-1737 | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Release DateDifferent | Apr 4th, 2011 | Feb 15th, 2012 |
| GenerationDifferent | Northern Islands(HD 6700) | Southern Islands(HD 7700) |
| PredecessorDifferent | Evergreen | Northern Islands |
| SuccessorDifferent | Southern Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 149 USD | 159 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 37 in our database | 97 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU ClockDifferent | 840 MHz | 1000 MHz |
| Memory ClockDifferent | 1050 MHz4.2 Gbps effective | 1125 MHz4.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 128 bit |
| BandwidthDifferent | 134.4 GB/s | 72.00 GB/s |
Render Config
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Shading UnitsDifferent | 800 | 640 |
| TMUs | 40 | 40 |
| ROPs | 16 | 16 |
| Compute Units | 10 | 10 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 512 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 13.44 GPixel/s | 16.00 GPixel/s |
| Texture RateDifferent | 33.60 GTexel/s | 40.00 GTexel/s |
| FP32 (float)Different | 1,344.0 GFLOPS | 1,280.0 GFLOPS |
| FP64 (double)Different | N/A | 80.00 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 198 mm7.8 inches | 210 mm8.3 inches |
| TDPDifferent | 150 W | 80 W |
| Suggested PSUDifferent | 450 W | 250 W |
| OutputsDifferent | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin |
| Board NumberDifferent | C220, 109-C22237-00 | 109-C44157-00C, C468 |
Graphics Features
| Feature | AMD Radeon HD 6790 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (11_1) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 5.0 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
45
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
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AMD Radeon HD 6790 vs Radeon HD 6850
Radeon HD 6850 Performance116%
Radeon HD 6850 is 16% faster than AMD Radeon HD 6790
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AMD Radeon HD 6790 vs GeForce GTX 280
GeForce GTX 280 Performance109%
GeForce GTX 280 is 9% faster than AMD Radeon HD 6790
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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
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AMD Radeon HD 6790 vs GeForce GTX 275
GeForce GTX 275 Performance108%
GeForce GTX 275 is 8% faster than AMD Radeon HD 6790
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AMD Radeon HD 6790 vs GeForce GTX 460
GeForce GTX 460 Performance106%
GeForce GTX 460 is 6% faster than AMD Radeon HD 6790
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More Comparisons with AMD Radeon HD 7770 GHz Edition
Compare AMD Radeon HD 7770 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7770 GHz Edition vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance119%
GeForce GTX 650 Ti is 19% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 5850
Radeon HD 5850 Performance117%
Radeon HD 5850 is 17% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 285
GeForce GTX 285 Performance109%
GeForce GTX 285 is 9% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 6850
Radeon HD 6850 Performance107%
Radeon HD 6850 is 7% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 280
GeForce GTX 280 Performance100%
GeForce GTX 280 is 0% slower than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance100%
Radeon HD 7770 GHz Edition is 0% slower than AMD Radeon HD 7770 GHz Edition
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