GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 6670
Technical Specifications
| Specification | AMD Radeon HD 7970 GHz Edition | 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 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Tahiti | Turks |
| GPU VariantDifferent | Tahiti XT2(215-0821065) | 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 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Jun 22nd, 2012 | Apr 19th, 2011 |
| 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 | 499 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 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 128 bit |
| BandwidthDifferent | 288.0 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 GHz Edition | 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 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 134.4 GTexel/s | 19.20 GTexel/s |
| FP32 (float)Different | 4.301 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 1,075.2 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon HD 7970 GHz Edition | 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 | 300 W | 66 W |
| Suggested PSUDifferent | 700 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 GHz Edition | 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
More Comparisons with AMD Radeon HD 7970 GHz Edition
Compare AMD Radeon HD 7970 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 1650
GeForce GTX 1650 is 15% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs Radeon RX 6400
Radeon RX 6400 is 12% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs Arc A380
Arc A380 is 11% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 780
GeForce GTX 780 is 11% faster than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition is 0% slower than AMD Radeon HD 7970 GHz Edition
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 590
GeForce GTX 590 is 0% slower than AMD Radeon HD 7970 GHz Edition
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 is 19% faster than AMD Radeon HD 6670
AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
AMD Radeon HD 6670 vs GeForce 9800 GT
GeForce 9800 GT is 4% slower than AMD Radeon HD 6670

