AMD Radeon 550X 640SP vs NVIDIA GeForce GTX 750 Ti
What is the difference between AMD Radeon 550X 640SP and NVIDIA GeForce GTX 750 Ti. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Lexa | GPU Name | GM107 |
| Lexa PRO (215-0904018) | Model number | GM107-400-A2 |
| GCN 4.0 | Architecture | Maxwell |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 2,200 million | Transistors | 1,870 million |
| 103 mm² | Die Size | 148 mm² |
Graphics Card
| Apr 11th, 2018 | Release Date | Feb 18th, 2014 |
| Polaris (RX 500X) | Family | GeForce 700 |
| Active | Production | End-of-life |
| Polaris | Predecessor | GeForce 600 |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 48.00 GB/s | Bandwidth | 86.40 GB/s |
Performance
| 17.14 GPixel/s | Pixel fillrate | 17.36 GPixel/s |
| 42.84 GTexel/s | Texture fillrate | 43.40 GTexel/s |
| 1,371 GFLOPS | FP32 (float) performance | 1,389 GFLOPS |
| 85.68 GFLOPS (1:16) | FP64 (double) performance | 43.40 GFLOPS (1:32) |
Clock Speeds
| 1019 MHz | Base Clock | 1020 MHz |
| 1071 MHz | Boost Clock | 1085 MHz |
| 1500 MHz 6 Gbps effective | Memory Clock | 1350 MHz 5.4 Gbps effective |
Render Config
| 640 | Shading Units | 640 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 64 KB (per SMM) |
| 256 KB | L2 Cache | 2 MB |
Board Design
| IGP | Slot Width | Single-slot |
| 50 W | Thermal design power (TDP) | 60 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x mini-HDMI |
| None | Power Connectors | None |
API support
| 12 (12_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 6.4 | Shader Model | 5.1 |