NVIDIA GeForce GT 745A vs AMD Radeon R9 255 OEM
What is the difference between NVIDIA GeForce GT 745A and AMD Radeon R9 255 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | Cape Verde |
| N14P-LP | Model number | Cape Verde PRX |
| Kepler | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,270 million | Transistors | 1,500 million |
| 118 mm² | Die Size | 123 mm² |
Graphics Card
| Aug 26th, 2013 | Release Date | Dec 21st, 2013 |
| GeForce 700A | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| GeForce 600A | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| DDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 28.80 GB/s | Bandwidth | 73.60 GB/s |
Performance
| 7.320 GPixel/s | Pixel fillrate | 14.88 GPixel/s |
| 29.28 GTexel/s | Texture fillrate | 29.76 GTexel/s |
| 702.7 GFLOPS | FP32 (float) performance | 952.3 GFLOPS |
| 29.28 GFLOPS (1:24) | FP64 (double) performance | 59.52 GFLOPS (1:16) |
Clock Speeds
| 837 MHz | Base Clock | 900 MHz |
| 915 MHz | Boost Clock | 930 MHz |
| 900 MHz 1800 Mbps effective | Memory Clock | 1150 MHz 4.6 Gbps effective |
Render Config
| 384 | Shading Units | 512 |
| 32 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | Dual-slot |
| 33 W | Thermal design power (TDP) | 65 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |