GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6670
23%
23%
AMD Radeon HD 7970
494%
494%
AMD Radeon HD 7970 is approximately 471% faster
Technical Specifications
| Specification | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| Graphics ProcessorDifferent | Turks | Tahiti |
| CoresDifferent | 480 | 2048 |
| TMUsDifferent | 24 | 128 |
| ROPsDifferent | 8 | 32 |
| Memory SizeDifferent | 1024 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 128 bit | 384 bit |
Graphics Processor
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| GPU NameDifferent | Turks | Tahiti |
| GPU VariantDifferent | Turks XT(215-0803000) | Tahiti XT(215-0821060) |
| ArchitectureDifferent | TeraScale 2 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 716 million | 4,313 million |
| DensityDifferent | 6.1M / mm² | 12.3M / mm² |
| Die SizeDifferent | 118 mm² | 352 mm² |
| Chip PackageDifferent | FCBGA-962 | N/A |
Graphics Card
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| Release DateDifferent | Apr 19th, 2011 | Jan 9th, 2012 |
| GenerationDifferent | Northern Islands(HD 6600) | Southern Islands(HD 7900) |
| PredecessorDifferent | Evergreen | Northern Islands |
| SuccessorDifferent | Southern Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 99 USD | 549 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 35 in our database | 191 in our database |
| AnnouncedDifferent | N/A | Dec 22nd, 2011 |
Clock Speeds
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 925 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 384 bit |
| BandwidthDifferent | 64.00 GB/s | 264.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| Shading UnitsDifferent | 480 | 2048 |
| TMUsDifferent | 24 | 128 |
| ROPsDifferent | 8 | 32 |
| Compute UnitsDifferent | 6 | 32 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| Pixel RateDifferent | 6.400 GPixel/s | 29.60 GPixel/s |
| Texture RateDifferent | 19.20 GTexel/s | 118.4 GTexel/s |
| FP32 (float)Different | 768.0 GFLOPS | 3.789 TFLOPS |
| FP64 (double)Different | N/A | 947.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 275 mm10.8 inches |
| TDPDifferent | 66 W | 250 W |
| Suggested PSUDifferent | 250 W | 600 W |
| OutputsDifferent | 1x DVI1x HDMI 1.3a1x VGA | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C33437-00 | 109-C38637-00 |
| HeightDifferent | N/A | 111 mm4.4 inches |
| WidthDifferent | N/A | 38 mm1.5 inches |
Graphics Features
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 7970 |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (11_1) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| 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 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
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