GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970
494%
494%
AMD Radeon HD 6670
23%
23%
AMD Radeon HD 7970 is approximately 471% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Turks |
| CoresDifferent | 2048 | 480 |
| TMUsDifferent | 128 | 24 |
| ROPsDifferent | 32 | 8 |
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Tahiti | Turks |
| GPU VariantDifferent | Tahiti XT(215-0821060) | Turks XT(215-0803000) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 4,313 million | 716 million |
| DensityDifferent | 12.3M / mm² | 6.1M / mm² |
| Die SizeDifferent | 352 mm² | 118 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Jan 9th, 2012 | Apr 19th, 2011 |
| AnnouncedDifferent | Dec 22nd, 2011 | N/A |
| GenerationDifferent | Southern Islands(HD 7900) | Northern Islands(HD 6600) |
| PredecessorDifferent | Northern Islands | Evergreen |
| SuccessorDifferent | Sea Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 549 USD | 99 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 191 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| GPU ClockDifferent | 925 MHz | 800 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 128 bit |
| BandwidthDifferent | 264.0 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 480 |
| TMUsDifferent | 128 | 24 |
| ROPsDifferent | 32 | 8 |
| Compute UnitsDifferent | 32 | 6 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 768 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 29.60 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 118.4 GTexel/s | 19.20 GTexel/s |
| FP32 (float)Different | 3.789 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 947.2 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 275 mm10.8 inches | 168 mm6.6 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 250 W | 66 W |
| Suggested PSUDifferent | 600 W | 250 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | None |
| Board NumberDifferent | 109-C38637-00 | 109-C33437-00 |
Graphics Features
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 6670 |
|---|---|---|
| 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
48
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 6670
Compare AMD Radeon HD 6670 with other GPUs of similar performance
AMD Radeon HD 6670 vs GeForce GTS 250
GeForce GTS 250 Performance119%
GeForce GTS 250 is 19% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 Performance116%
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 Performance110%
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 Performance103%
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 Performance100%
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs GeForce 9800 GT
GeForce 9800 GT Performance96%
GeForce 9800 GT is 4% slower than AMD Radeon HD 6670
Compare Detailed Specs