AMD Radeon HD 8870 OEM vs AMD Radeon R9 370X
What is the difference between AMD Radeon HD 8870 OEM and AMD Radeon R9 370X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Pitcairn | GPU Name | Trinidad |
| Pitcairn XT (215-0828047) | Model number | Trinidad XT |
| 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
| Jan 8th, 2013 | Release Date | Aug 27th, 2015 |
| Sea Islands (HD 8800) | Family | Pirate Islands (R9 300) |
| End-of-life | Production | Active |
| Southern Islands | Predecessor | Volcanic 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 |
| 153.6 GB/s | Bandwidth | 179.2 GB/s |
Performance
| 32.00 GPixel/s | Pixel fillrate | 32.96 GPixel/s |
| 80.00 GTexel/s | Texture fillrate | 82.40 GTexel/s |
| 2.560 TFLOPS | FP32 (float) performance | 2.637 TFLOPS |
| 160.0 GFLOPS (1:16) | FP64 (double) performance | 164.8 GFLOPS (1:16) |
Clock Speeds
| 1200 MHz 4.8 Gbps effective | Memory Clock | 1400 MHz 5.6 Gbps effective |
Render Config
| 1280 | Shading Units | 1280 |
| 80 | TMUs | 80 |
| 32 | ROPs | 32 |
| 20 | Compute Units | 24 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 241 mm 9.5 inches | Length | 221 mm 8.7 inches |
| 175 W | Thermal design power (TDP) | 180 W |
| 450 W | Suggested PSU | 450 W |
| 1x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 2x 6-pin | Power Connectors | 2x 6-pin |
| C401 | Board Number | C401 |
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 |