GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6950
39%
39%
AMD Radeon HD 7990
257%
257%
AMD Radeon HD 7990 is approximately 218% faster
Technical Specifications
| Specification | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | Cayman | Malta x2 |
| CoresDifferent | 1408 | 2048 x2 |
| TMUsDifferent | 88 | 128 x2 |
| ROPsDifferent | 32 | 32 x2 |
| Memory SizeDifferent | 2 GB | 3 GB x2 |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 384 bit x2 |
Graphics Processor
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | Cayman | Malta |
| GPU VariantDifferent | Cayman PRO(215-0807019) | Malta XT(215-0849026) |
| ArchitectureDifferent | TeraScale 3 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 2,640 million | 4,313 million |
| DensityDifferent | 6.8M / mm² | 11.8M / mm² |
| Die SizeDifferent | 389 mm² | 365 mm² |
Graphics Card
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Dec 14th, 2010 | Apr 24th, 2013 |
| GenerationDifferent | Northern Islands(HD 6900) | Southern Islands(HD 7900) |
| PredecessorDifferent | Evergreen | Northern Islands |
| SuccessorDifferent | Southern Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 999 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 111 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | N/A |
| Memory ClockDifferent | 1250 MHz5 Gbps effective | 1500 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 950 MHz |
| Boost ClockDifferent | N/A | 1000 MHz |
Memory
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 160.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 1408 | 2048 |
| TMUsDifferent | 88 | 128 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 22 | 32 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 512 KB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 25.60 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 70.40 GTexel/s | 128.0 GTexel/s |
| FP32 (float)Different | 2.253 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 563.2 GFLOPS (1:4) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 286 mm11.3 inches | 304 mm12 inches |
| HeightDifferent | 126 mm5 inches | 106 mm4.2 inches |
| WidthDifferent | 42 mm1.7 inches | 38 mm1.5 inches |
| TDPDifferent | 200 W | 375 W |
| Suggested PSUDifferent | 550 W | 750 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 2x 8-pin |
| Board NumberDifferent | 109-C21647-00 | 109-C47637-00A_02 |
Graphics Features
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (11_1) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.175 |
| Shader ModelDifferent | 5.0 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
48
Detailed Features
More Comparisons with AMD Radeon HD 6950
Compare AMD Radeon HD 6950 with other GPUs of similar performance
AMD Radeon HD 6950 vs Radeon RX 560
Radeon RX 560 Performance119%
Radeon RX 560 is 19% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs GeForce GTX 570
GeForce GTX 570 Performance117%
GeForce GTX 570 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 Performance112%
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 Performance107%
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950
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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
Compare Detailed Specs
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
Compare Detailed Specs