GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970 GHz Edition
290%
290%
AMD Radeon HD 6790
34%
34%
AMD Radeon HD 7970 GHz Edition is approximately 256% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Barts |
| CoresDifferent | 2048 | 800 |
| TMUsDifferent | 128 | 40 |
| ROPsDifferent | 32 | 16 |
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| GPU NameDifferent | Tahiti | Barts |
| GPU VariantDifferent | Tahiti XT2(215-0821065) | Barts LE(215-0798002) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 4,313 million | 1,700 million |
| DensityDifferent | 12.3M / mm² | 6.7M / mm² |
| Die SizeDifferent | 352 mm² | 255 mm² |
| Chip PackageDifferent | N/A | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| Release DateDifferent | Jun 22nd, 2012 | Apr 4th, 2011 |
| GenerationDifferent | Southern Islands(HD 7900) | Northern Islands(HD 6700) |
| PredecessorDifferent | Northern Islands | Evergreen |
| SuccessorDifferent | Sea Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 499 USD | 149 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 191 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1050 MHz4.2 Gbps effective |
| GPU ClockDifferent | N/A | 840 MHz |
Memory
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 288.0 GB/s | 134.4 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 800 |
| TMUsDifferent | 128 | 40 |
| ROPsDifferent | 32 | 16 |
| Compute UnitsDifferent | 32 | 10 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 13.44 GPixel/s |
| Texture RateDifferent | 134.4 GTexel/s | 33.60 GTexel/s |
| FP32 (float)Different | 4.301 TFLOPS | 1,344.0 GFLOPS |
| FP64 (double)Different | 1,075.2 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 198 mm7.8 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 300 W | 150 W |
| Suggested PSUDifferent | 700 W | 450 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | 109-C38637-00 | C220, 109-C22237-00 |
Graphics Features
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6790 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 (1.2) | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
More Comparisons with AMD Radeon HD 7970 GHz Edition
Compare AMD Radeon HD 7970 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 1650
GeForce GTX 1650 Performance115%
GeForce GTX 1650 is 15% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Radeon RX 6400
Radeon RX 6400 Performance112%
Radeon RX 6400 is 12% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Arc A380
Arc A380 Performance111%
Arc A380 is 11% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 780
GeForce GTX 780 Performance111%
GeForce GTX 780 is 11% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance100%
Radeon HD 7970 GHz Edition is 0% slower than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 590
GeForce GTX 590 Performance100%
GeForce GTX 590 is 0% slower than AMD Radeon HD 7970 GHz Edition
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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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