AMD Radeon R7 265 vs AMD Radeon R9 270 1024SP
What is the difference between AMD Radeon R7 265 and AMD Radeon R9 270 1024SP. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Pitcairn | GPU Name | Pitcairn |
| Pitcairn PRO (215-0828062) | Model number | Pitcairn PRO (215-0828062) |
| GCN 1.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 2,800 million | Transistors | 2,800 million |
| 212 mm² | Die Size | 212 mm² |
Graphics Card
| Feb 13th, 2014 | Release Date | Mar 13th, 2015 |
| Volcanic Islands (R7 200) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | Active |
| Sea Islands | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 179.2 GB/s | Bandwidth | 153.6 GB/s |
Performance
| 29.60 GPixel/s | Pixel fillrate | 29.60 GPixel/s |
| 59.20 GTexel/s | Texture fillrate | 59.20 GTexel/s |
| 1.894 TFLOPS | FP32 (float) performance | 1.894 TFLOPS |
| 118.4 GFLOPS (1:16) | FP64 (double) performance | 118.4 GFLOPS (1:16) |
Clock Speeds
| 900 MHz | Base Clock | 900 MHz |
| 925 MHz | Boost Clock | 925 MHz |
| 1400 MHz 5.6 Gbps effective | Memory Clock | 1200 MHz 4.8 Gbps effective |
Render Config
| 1024 | Shading Units | 1024 |
| 64 | TMUs | 64 |
| 32 | ROPs | 32 |
| 16 | Compute Units | 16 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 150 W | Thermal design power (TDP) | 150 W |
| 450 W | Suggested PSU | 450 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 1x 6-pin | Power Connectors | 1x 6-pin |
| C630 | Board Number | C403 |
API support
| 12 (11_1) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |