AMD Radeon HD 7870M vs AMD Radeon Pro 450
What is the difference between AMD Radeon HD 7870M and AMD Radeon Pro 450. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Heathrow | GPU Name | Baffin |
| Heathrow XT (216-0835033) | Model number | Baffin LE |
| GCN 1.0 | Architecture | GCN 4.0 |
| TSMC | Foundry | GlobalFoundries |
| 28 nm | Process Size | 14 nm |
| 1,500 million | Transistors | 3,000 million |
| 123 mm² | Die Size | 123 mm² |
Graphics Card
| Apr 24th, 2012 | Release Date | Oct 30th, 2016 |
| London (HD 7800M) | Family | Radeon Pro Mac (400 Series) |
| End-of-life | Production | Active |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 64.00 GB/s | Bandwidth | 81.28 GB/s |
Performance
| 12.80 GPixel/s | Pixel fillrate | 12.80 GPixel/s |
| 32.00 GTexel/s | Texture fillrate | 32.00 GTexel/s |
| 1,024 GFLOPS | FP32 (float) performance | 1,024 GFLOPS |
| 64.00 GFLOPS (1:16) | FP64 (double) performance | 64.00 GFLOPS (1:16) |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 1270 MHz 5.1 Gbps effective |
| 800 MHz | GPU Clock | 800 MHz |
Render Config
| 640 | Shading Units | 640 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 10 | Compute Units | 10 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 1024 KB |
Board Design
| 45 W | Thermal design power (TDP) | 35 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_1) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 2.1 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.4 |