GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
434%
434%
AMD Radeon HD 6670
23%
23%
AMD Radeon R9 285 is approximately 411% faster
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Tonga | Turks |
| CoresDifferent | 1792 | 480 |
| TMUsDifferent | 112 | 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 R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Tonga | Turks |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Turks XT(215-0803000) |
| ArchitectureDifferent | GCN 3.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 5,000 million | 716 million |
| DensityDifferent | 13.7M / mm² | 6.1M / mm² |
| Die SizeDifferent | 366 mm² | 118 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Apr 19th, 2011 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6600) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 99 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 59 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| GPU ClockDifferent | 918 MHz | 800 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 128 bit |
| BandwidthDifferent | 176.0 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 1792 | 480 |
| TMUsDifferent | 112 | 24 |
| ROPsDifferent | 32 | 8 |
| Compute UnitsDifferent | 28 | 6 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 19.20 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 221 mm8.7 inches | 168 mm6.6 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 190 W | 66 W |
| Suggested PSUDifferent | 450 W | 250 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | C766 | 109-C33437-00 |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6670 |
|---|---|---|
| DirectXDifferent | 12 (12_0) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
48
Detailed Features
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
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AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
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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
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AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
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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
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AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 Performance116%
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 Performance110%
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 Performance103%
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 Performance100%
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
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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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