NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 540 Mobile
What is the difference between NVIDIA GeForce GTX 645 OEM and AMD Radeon RX 540 Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK106 | GPU Name | Lexa |
| GK106-200-A1 | Model number | Lexa PRO (215-0904018) |
| Kepler | Architecture | GCN 4.0 |
| TSMC | Foundry | GlobalFoundries |
| 28 nm | Process Size | 14 nm |
| 2,540 million | Transistors | 2,200 million |
| 221 mm² | Die Size | 103 mm² |
Graphics Card
| Apr 22nd, 2013 | Release Date | Nov 11th, 2017 |
| GeForce 600 | Family | Mobility Radeon (RX M500) |
| End-of-life | Production | Active |
| GeForce 500 | Predecessor | Crystal System |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 64.00 GB/s | Bandwidth | 96.00 GB/s |
Performance
| 9.888 GPixel/s | Pixel fillrate | 19.50 GPixel/s |
| 39.55 GTexel/s | Texture fillrate | 39.01 GTexel/s |
| 949.2 GFLOPS | FP32 (float) performance | 1,248 GFLOPS |
| 39.55 GFLOPS (1:24) | FP64 (double) performance | 78.02 GFLOPS (1:16) |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 576 | Shading Units | 512 |
| 48 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 512 KB |
Board Design
| Single-slot | Slot Width | IGP |
| 65 W | Thermal design power (TDP) | 50 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | No outputs |
| None | Power Connectors | None |
API support
| 12 (11_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.1 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.4 |