GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970
183%
183%
AMD Radeon HD 6950
62%
62%
AMD Radeon HD 7970 is approximately 121% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Cayman |
| CoresDifferent | 2048 | 1408 |
| TMUsDifferent | 128 | 88 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| GPU NameDifferent | Tahiti | Cayman |
| GPU VariantDifferent | Tahiti XT(215-0821060) | Cayman PRO(215-0807019) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 4,313 million | 2,640 million |
| DensityDifferent | 12.3M / mm² | 6.8M / mm² |
| Die SizeDifferent | 352 mm² | 389 mm² |
Graphics Card
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| Release DateDifferent | Jan 9th, 2012 | Dec 14th, 2010 |
| AnnouncedDifferent | Dec 22nd, 2011 | N/A |
| 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 | 549 USD | 299 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 191 in our database | 111 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| GPU ClockDifferent | 925 MHz | 800 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1250 MHz5 Gbps effective |
Memory
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 264.0 GB/s | 160.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1408 |
| TMUsDifferent | 128 | 88 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 22 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| Pixel RateDifferent | 29.60 GPixel/s | 25.60 GPixel/s |
| Texture RateDifferent | 118.4 GTexel/s | 70.40 GTexel/s |
| FP32 (float)Different | 3.789 TFLOPS | 2.253 TFLOPS |
| FP64 (double)Different | 947.2 GFLOPS (1:4) | 563.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 286 mm11.3 inches |
| HeightDifferent | 111 mm4.4 inches | 126 mm5 inches |
| WidthDifferent | 38 mm1.5 inches | 42 mm1.7 inches |
| TDPDifferent | 250 W | 200 W |
| Suggested PSUDifferent | 600 W | 550 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | 109-C38637-00 | 109-C21647-00 |
Graphics Features
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6950 |
|---|---|---|
| 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
47
Detailed Features
More Comparisons with AMD Radeon HD 7970
Compare AMD Radeon HD 7970 with other GPUs of similar performance
AMD Radeon HD 7970 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance113%
Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs GeForce GTX 590
GeForce GTX 590 Performance113%
GeForce GTX 590 is 13% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs Radeon R9 280X
Radeon R9 280X Performance111%
Radeon R9 280X is 11% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs Radeon HD 6990
Radeon HD 6990 Performance109%
Radeon HD 6990 is 9% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance103%
GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs GeForce GTX 680
GeForce GTX 680 Performance101%
GeForce GTX 680 is 1% faster than AMD Radeon HD 7970
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 Performance112%
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 Performance107%
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950
Compare Detailed Specs