GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6950
271%
271%
AMD Radeon HD 6670
37%
37%
AMD Radeon HD 6950 is approximately 234% faster
Technical Specifications
| Specification | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Cayman | Turks |
| CoresDifferent | 1408 | 480 |
| TMUsDifferent | 88 | 24 |
| ROPsDifferent | 32 | 8 |
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Cayman | Turks |
| GPU VariantDifferent | Cayman PRO(215-0807019) | Turks XT(215-0803000) |
| ArchitectureDifferent | TeraScale 3 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 2,640 million | 716 million |
| DensityDifferent | 6.8M / mm² | 6.1M / mm² |
| Die SizeDifferent | 389 mm² | 118 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Dec 14th, 2010 | Apr 19th, 2011 |
| GenerationDifferent | Northern Islands(HD 6900) | Northern Islands(HD 6600) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 99 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 111 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| GPU Clock | 800 MHz | 800 MHz |
| Memory ClockDifferent | 1250 MHz5 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 128 bit |
| BandwidthDifferent | 160.0 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 1408 | 480 |
| TMUsDifferent | 88 | 24 |
| ROPsDifferent | 32 | 8 |
| Compute UnitsDifferent | 22 | 6 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 25.60 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 70.40 GTexel/s | 19.20 GTexel/s |
| FP32 (float)Different | 2.253 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 563.2 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 286 mm11.3 inches | 168 mm6.6 inches |
| HeightDifferent | 126 mm5 inches | N/A |
| WidthDifferent | 42 mm1.7 inches | N/A |
| TDPDifferent | 200 W | 66 W |
| Suggested PSUDifferent | 550 W | 250 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | 109-C21647-00 | 109-C33437-00 |
Graphics Features
| Feature | AMD Radeon HD 6950 | AMD Radeon HD 6670 |
|---|---|---|
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | N/A | N/A |
| Shader Model | 5.0 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
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
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AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
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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
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
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