GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7850
AMD Radeon R9 285
Technical Specifications
| Specification | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | Pitcairn | Tonga |
| CoresDifferent | 1024 | 1792 |
| TMUsDifferent | 64 | 112 |
| ROPs | 32 | 32 |
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | Pitcairn | Tonga |
| GPU VariantDifferent | Pitcairn PRO(215-0828062) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | GCN 1.0 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 2,800 million | 5,000 million |
| DensityDifferent | 13.2M / mm² | 13.7M / mm² |
| Die SizeDifferent | 212 mm² | 366 mm² |
| Chip PackageDifferent | FCBGA-1737 | N/A |
Graphics Card
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Mar 5th, 2012 | Sep 2nd, 2014 |
| GenerationDifferent | Southern Islands(HD 7800) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Northern Islands | Sea Islands |
| SuccessorDifferent | Sea Islands | Pirate 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 | 71 in our database | 59 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| GPU ClockDifferent | 860 MHz | 918 MHz |
| Memory ClockDifferent | 1200 MHz4.8 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 153.6 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 1024 | 1792 |
| TMUsDifferent | 64 | 112 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 16 | 28 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 27.52 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 55.04 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 1.761 TFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 110.1 GFLOPS (1:16) | 205.6 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
Board Design
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 210 mm8.3 inches | 221 mm8.7 inches |
| TDPDifferent | 130 W | 190 W |
| Suggested PSUDifferent | 300 W | 450 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-C40147-00, 109-C40337-00A | C766 |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | AMD Radeon HD 7850 | AMD Radeon R9 285 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 (1.2) | 2.1 |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader ModelDifferent | 6.5 (5.1) | 6.5 |
Comparison Summary
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 is 20% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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 is 14% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X is 12% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 is 2% faster than AMD Radeon R9 285

