GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6670
50%
50%
AMD Radeon HD 6850
198%
198%
AMD Radeon HD 6850 is approximately 148% faster
Technical Specifications
| Specification | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | Turks | Barts |
| CoresDifferent | 480 | 960 |
| TMUsDifferent | 24 | 48 |
| ROPsDifferent | 8 | 32 |
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | Turks | Barts |
| GPU VariantDifferent | Turks XT(215-0803000) | Barts PRO(215-0798006) |
| Architecture | TeraScale 2 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 716 million | 1,700 million |
| DensityDifferent | 6.1M / mm² | 6.7M / mm² |
| Die SizeDifferent | 118 mm² | 255 mm² |
| Chip PackageDifferent | FCBGA-962 | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Apr 19th, 2011 | Oct 21st, 2010 |
| GenerationDifferent | Northern Islands(HD 6600) | Northern Islands(HD 6800) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 99 USD | 179 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 35 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 775 MHz |
| Memory Clock | 1000 MHz4 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 64.00 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 480 | 960 |
| TMUsDifferent | 24 | 48 |
| ROPsDifferent | 8 | 32 |
| Compute UnitsDifferent | 6 | 12 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| Pixel RateDifferent | 6.400 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 19.20 GTexel/s | 37.20 GTexel/s |
| FP32 (float)Different | 768.0 GFLOPS | 1,488.0 GFLOPS |
Board Design
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 198 mm7.8 inches |
| TDPDifferent | 66 W | 127 W |
| Suggested PSUDifferent | 250 W | 300 W |
| OutputsDifferent | 1x DVI1x HDMI 1.3a1x VGA | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | None | 1x 6-pin |
| Board NumberDifferent | 109-C33437-00 | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6850 |
|---|---|---|
| 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
44
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 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 Performance116%
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance111%
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
Compare Detailed Specs