GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6670
23%
23%
AMD Radeon R9 285
434%
434%
AMD Radeon R9 285 is approximately 411% faster
Technical Specifications
| Specification | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | Turks | Tonga |
| CoresDifferent | 480 | 1792 |
| TMUsDifferent | 24 | 112 |
| ROPsDifferent | 8 | 32 |
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | Turks | Tonga |
| GPU VariantDifferent | Turks XT(215-0803000) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | TeraScale 2 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 716 million | 5,000 million |
| DensityDifferent | 6.1M / mm² | 13.7M / mm² |
| Die SizeDifferent | 118 mm² | 366 mm² |
| Chip PackageDifferent | FCBGA-962 | N/A |
Graphics Card
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Apr 19th, 2011 | Sep 2nd, 2014 |
| GenerationDifferent | Northern Islands(HD 6600) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Evergreen | Sea Islands |
| SuccessorDifferent | Southern Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 99 USD | 249 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 35 in our database | 59 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 918 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 64.00 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 480 | 1792 |
| TMUsDifferent | 24 | 112 |
| ROPsDifferent | 8 | 32 |
| Compute UnitsDifferent | 6 | 28 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 6.400 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 19.20 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 768.0 GFLOPS | 3.290 TFLOPS |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
| FP64 (double)Different | N/A | 205.6 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 221 mm8.7 inches |
| TDPDifferent | 66 W | 190 W |
| Suggested PSUDifferent | 250 W | 450 W |
| OutputsDifferent | 1x DVI1x HDMI 1.3a1x VGA | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 2x 6-pin |
| Board NumberDifferent | 109-C33437-00 | C766 |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | AMD Radeon HD 6670 | AMD Radeon R9 285 |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (12_0) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 2.1 |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 5.0 | 6.5 |
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 R9 285
Compare AMD Radeon R9 285 with other GPUs of similar performance
AMD Radeon R9 285 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance114%
Radeon HD 7970 GHz Edition is 14% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance104%
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
Compare Detailed Specs