GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7990
228%
228%
AMD Radeon HD 6970
44%
44%
AMD Radeon HD 7990 is approximately 184% faster
Technical Specifications
| Specification | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| Graphics ProcessorDifferent | Malta x2 | Cayman |
| CoresDifferent | 2048 x2 | 1536 |
| TMUsDifferent | 128 x2 | 96 |
| ROPsDifferent | 32 x2 | 32 |
| Memory SizeDifferent | 3 GB x2 | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit x2 | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| GPU NameDifferent | Malta | Cayman |
| GPU VariantDifferent | Malta XT(215-0849026) | Cayman XT(215-0807007) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 4,313 million | 2,640 million |
| DensityDifferent | 11.8M / mm² | 6.8M / mm² |
| Die SizeDifferent | 365 mm² | 389 mm² |
Graphics Card
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| Release DateDifferent | Apr 24th, 2013 | Dec 14th, 2010 |
| GenerationDifferent | Southern Islands(HD 7900) | Northern Islands(HD 6900) |
| PredecessorDifferent | Northern Islands | Evergreen |
| SuccessorDifferent | Sea Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 999 USD | 369 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 37 in our database | 80 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| Base ClockDifferent | 950 MHz | N/A |
| Boost ClockDifferent | 1000 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1375 MHz5.5 Gbps effective |
| GPU ClockDifferent | N/A | 880 MHz |
Memory
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 288.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1536 |
| TMUsDifferent | 128 | 96 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 24 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 28.16 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 84.48 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 2.703 TFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | 675.8 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 304 mm12 inches | 286 mm11.3 inches |
| HeightDifferent | 106 mm4.2 inches | 126 mm5 inches |
| WidthDifferent | 38 mm1.5 inches | 42 mm1.7 inches |
| TDPDifferent | 375 W | 250 W |
| Suggested PSUDifferent | 750 W | 600 W |
| OutputsDifferent | 1x DVI4x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C47637-00A_02 | 109-C20047-00 |
Graphics Features
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 6970 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 (1.2) | 1.2 |
| VulkanDifferent | 1.2.175 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
48
Detailed Features
More Comparisons with AMD Radeon HD 7990
Compare AMD Radeon HD 7990 with other GPUs of similar performance
AMD Radeon HD 7990 vs Radeon RX 590
Radeon RX 590 Performance115%
Radeon RX 590 is 15% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance110%
GeForce GTX 1650 SUPER is 10% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance109%
Radeon RX 6500 XT is 9% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance108%
Radeon RX 5500 XT is 8% faster than AMD Radeon HD 7990
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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 Performance119%
GeForce GTX 1050 is 19% faster than AMD Radeon HD 6970
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AMD Radeon HD 6970 vs GeForce GTX 760
GeForce GTX 760 Performance118%
GeForce GTX 760 is 18% faster than AMD Radeon HD 6970
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AMD Radeon HD 6970 vs GeForce GTX 580
GeForce GTX 580 Performance118%
GeForce GTX 580 is 18% faster than AMD Radeon HD 6970
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AMD Radeon HD 6970 vs GeForce GTX 660 Ti
GeForce GTX 660 Ti Performance118%
GeForce GTX 660 Ti is 18% faster than AMD Radeon HD 6970
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AMD Radeon HD 6970 vs Radeon R9 270X
Radeon R9 270X Performance116%
Radeon R9 270X is 16% faster than AMD Radeon HD 6970
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AMD Radeon HD 6970 vs GeForce GTX 950
GeForce GTX 950 Performance113%
GeForce GTX 950 is 13% faster than AMD Radeon HD 6970
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