GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
219%
219%
AMD Radeon HD 6850
46%
46%
AMD Radeon R9 285 is approximately 173% faster
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | Tonga | Barts |
| CoresDifferent | 1792 | 960 |
| TMUsDifferent | 112 | 48 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | Tonga | Barts |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Barts PRO(215-0798006) |
| ArchitectureDifferent | GCN 3.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 5,000 million | 1,700 million |
| DensityDifferent | 13.7M / mm² | 6.7M / mm² |
| Die SizeDifferent | 366 mm² | 255 mm² |
| Chip PackageDifferent | N/A | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Oct 21st, 2010 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6800) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 179 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 59 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| GPU ClockDifferent | 918 MHz | 775 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 176.0 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 1792 | 960 |
| TMUsDifferent | 112 | 48 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 28 | 12 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 37.20 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 1,488.0 GFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 221 mm8.7 inches | 198 mm7.8 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 190 W | 127 W |
| Suggested PSUDifferent | 450 W | 300 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin |
| Board NumberDifferent | C766 | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6850 |
|---|---|---|
| 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 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
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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
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AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
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