GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
AMD Radeon R9 270X
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon R9 270X |
|---|---|---|
| Graphics ProcessorDifferent | Tonga | Curacao |
| CoresDifferent | 1792 | 1280 |
| TMUsDifferent | 112 | 80 |
| 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 R9 270X |
|---|---|---|
| GPU NameDifferent | Tonga | Curacao |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Curacao XT(215-0848004) |
| 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 R9 270X |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Oct 8th, 2013 |
| Generation | Volcanic Islands(R9 200) | Volcanic Islands(R9 200) |
| Predecessor | Sea Islands | Sea Islands |
| Successor | Pirate Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 199 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 59 in our database | 90 in our database |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon R9 270X |
|---|---|---|
| GPU ClockDifferent | 918 MHz | N/A |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1400 MHz5.6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon R9 270X |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 176.0 GB/s | 179.2 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon R9 270X |
|---|---|---|
| Shading UnitsDifferent | 1792 | 1280 |
| TMUsDifferent | 112 | 80 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 28 | 20 |
| 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 R9 270X |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 84.00 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 2.688 TFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | 168.0 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon R9 270X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 221 mm8.7 inches | 241 mm9.5 inches |
| Height | 109 mm4.3 inches | 109 mm4.3 inches |
| Width | 36 mm1.4 inches | 36 mm1.4 inches |
| TDPDifferent | 190 W | 180 W |
| Suggested PSU | 450 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Board NumberDifferent | C766 | C631, 109-C63257-00A_02, 109-C63257-12_02 |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon R9 270X |
|---|---|---|
| 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
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
More Comparisons with AMD Radeon R9 270X
Compare AMD Radeon R9 270X with other GPUs of similar performance
AMD Radeon R9 270X vs GeForce GTX 960
GeForce GTX 960 is 19% faster than AMD Radeon R9 270X
AMD Radeon R9 270X vs GeForce GTX 670
GeForce GTX 670 is 16% faster than AMD Radeon R9 270X
AMD Radeon R9 270X vs Radeon HD 5970
Radeon HD 5970 is 5% faster than AMD Radeon R9 270X
AMD Radeon R9 270X vs GeForce GTX 1630
GeForce GTX 1630 is 5% faster than AMD Radeon R9 270X
AMD Radeon R9 270X vs GeForce GTX 1050
GeForce GTX 1050 is 3% faster than AMD Radeon R9 270X
AMD Radeon R9 270X vs GeForce GTX 760
GeForce GTX 760 is 2% faster than AMD Radeon R9 270X

