GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970
163%
163%
AMD Radeon HD 6970
69%
69%
AMD Radeon HD 7970 is approximately 94% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 | AMD Radeon HD 6970 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Cayman |
| CoresDifferent | 2048 | 1536 |
| TMUsDifferent | 128 | 96 |
| 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 6970 |
|---|---|---|
| GPU NameDifferent | Tahiti | Cayman |
| GPU VariantDifferent | Tahiti XT(215-0821060) | 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 | 12.3M / mm² | 6.8M / mm² |
| Die SizeDifferent | 352 mm² | 389 mm² |
Graphics Card
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6970 |
|---|---|---|
| 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 | 369 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 191 in our database | 80 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6970 |
|---|---|---|
| GPU ClockDifferent | 925 MHz | 880 MHz |
| Memory Clock | 1375 MHz5.5 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6970 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 264.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 | 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 7970 | AMD Radeon HD 6970 |
|---|---|---|
| Pixel RateDifferent | 29.60 GPixel/s | 28.16 GPixel/s |
| Texture RateDifferent | 118.4 GTexel/s | 84.48 GTexel/s |
| FP32 (float)Different | 3.789 TFLOPS | 2.703 TFLOPS |
| FP64 (double)Different | 947.2 GFLOPS (1:4) | 675.8 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6970 |
|---|---|---|
| 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 |
| TDP | 250 W | 250 W |
| Suggested PSU | 600 W | 600 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C38637-00 | 109-C20047-00 |
Graphics Features
| Feature | AMD Radeon HD 7970 | 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 | 1.2.170 | 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 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
Compare Detailed Specs
AMD Radeon HD 6970 vs GeForce GTX 760
GeForce GTX 760 Performance118%
GeForce GTX 760 is 18% faster than AMD Radeon HD 6970
Compare Detailed Specs
AMD Radeon HD 6970 vs GeForce GTX 580
GeForce GTX 580 Performance118%
GeForce GTX 580 is 18% faster than AMD Radeon HD 6970
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon HD 6970 vs Radeon R9 270X
Radeon R9 270X Performance116%
Radeon R9 270X is 16% faster than AMD Radeon HD 6970
Compare Detailed Specs
AMD Radeon HD 6970 vs GeForce GTX 950
GeForce GTX 950 Performance113%
GeForce GTX 950 is 13% faster than AMD Radeon HD 6970
Compare Detailed Specs