GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
152%
152%
AMD Radeon HD 7850
66%
66%
AMD Radeon R9 285 is approximately 86% faster
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | Tonga | Pitcairn |
| CoresDifferent | 1792 | 1024 |
| TMUsDifferent | 112 | 64 |
| ROPs | 32 | 32 |
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| GPU NameDifferent | Tonga | Pitcairn |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Pitcairn PRO(215-0828062) |
| ArchitectureDifferent | GCN 3.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 5,000 million | 2,800 million |
| DensityDifferent | 13.7M / mm² | 13.2M / mm² |
| Die SizeDifferent | 366 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Mar 5th, 2012 |
| GenerationDifferent | Volcanic Islands(R9 200) | Southern Islands(HD 7800) |
| PredecessorDifferent | Sea Islands | Northern Islands |
| SuccessorDifferent | Pirate Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch Price | 249 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 59 in our database | 71 in our database |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| GPU ClockDifferent | 918 MHz | 860 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1200 MHz4.8 Gbps effective |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 176.0 GB/s | 153.6 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 1792 | 1024 |
| TMUsDifferent | 112 | 64 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 28 | 16 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 55.04 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 221 mm8.7 inches | 210 mm8.3 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 190 W | 130 W |
| Suggested PSUDifferent | 450 W | 300 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin |
| Board NumberDifferent | C766 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7850 |
|---|---|---|
| DirectXDifferent | 12 (12_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 | 2.1 (1.2) |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader ModelDifferent | 6.5 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
48
Detailed Features
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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 7850
Compare AMD Radeon HD 7850 with other GPUs of similar performance
AMD Radeon HD 7850 vs GeForce GTX 950
GeForce GTX 950 Performance120%
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 Performance113%
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 Performance111%
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 Performance111%
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 Performance110%
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 Performance106%
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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