AMD FirePro S7100X vs AMD Radeon HD 7870 XT
What is the difference between AMD FirePro S7100X and AMD Radeon HD 7870 XT. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Amethyst | GPU Name | Tahiti |
| Amethyst XT | Model number | Tahiti LE (215-0821122) |
| GCN 3.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 5,000 million | Transistors | 4,313 million |
| 366 mm² | Die Size | 352 mm² |
Graphics Card
| May 25th, 2016 | Release Date | Nov 19th, 2012 |
| FirePro Mobile (Sx100) | Family | Southern Islands (HD 7800) |
| Active | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 8 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 160.0 GB/s | Bandwidth | 192.0 GB/s |
Performance
| 23.20 GPixel/s | Pixel fillrate | 31.20 GPixel/s |
| 92.80 GTexel/s | Texture fillrate | 93.60 GTexel/s |
| 2.970 TFLOPS | FP32 (float) performance | 2.995 TFLOPS |
| 185.6 GFLOPS (1:16) | FP64 (double) performance | 748.8 GFLOPS (1:4) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 2048 | Shading Units | 1536 |
| 128 | TMUs | 96 |
| 32 | ROPs | 32 |
| 32 | Compute Units | 24 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| MXM Module | Slot Width | Dual-slot |
| 100 W | Thermal design power (TDP) | 185 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 2x mini-DisplayPort |
| None | Power Connectors | 2x 6-pin |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 5.1 |