GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 270X
AMD Radeon R9 285
Technical Specifications
| Specification | AMD Radeon R9 270X | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | Curacao | Tonga |
| CoresDifferent | 1280 | 1792 |
| TMUsDifferent | 80 | 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 R9 270X | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | Curacao | Tonga |
| GPU VariantDifferent | Curacao XT(215-0848004) | 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 R9 270X | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Sep 2nd, 2014 |
| 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 | 199 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 90 in our database | 59 in our database |
Clock Speeds
| Feature | AMD Radeon R9 270X | AMD Radeon R9 285 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1400 MHz5.6 Gbps effective | 1375 MHz5.5 Gbps effective |
| GPU ClockDifferent | N/A | 918 MHz |
Memory
| Feature | AMD Radeon R9 270X | AMD Radeon R9 285 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 179.2 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon R9 270X | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 1280 | 1792 |
| TMUsDifferent | 80 | 112 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 20 | 28 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 270X | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 84.00 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 2.688 TFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 168.0 GFLOPS (1:16) | 205.6 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
Board Design
| Feature | AMD Radeon R9 270X | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 221 mm8.7 inches |
| Height | 109 mm4.3 inches | 109 mm4.3 inches |
| Width | 36 mm1.4 inches | 36 mm1.4 inches |
| TDPDifferent | 180 W | 190 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 | C631, 109-C63257-00A_02, 109-C63257-12_02 | C766 |
Graphics Features
| Feature | AMD Radeon R9 270X | 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 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
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

