NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon R5 M320
What is the difference between NVIDIA GeForce GT 640 OEM Rebrand and AMD Radeon R5 M320. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF116 | GPU Name | Jet |
| GF116-150-A1 | Model number | Jet PRO (216-0568010) |
| Fermi 2.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 1,170 million | Transistors | 690 million |
| 238 mm² | Die Size | 56 mm² |
Graphics Card
| Apr 24th, 2012 | Release Date | May 5th, 2015 |
| GeForce 600 | Family | Crystal System (R5 M300) |
| End-of-life | Production | Active |
| GeForce 500 | Predecessor | Solar System |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 1536 MB | Memory Size | 4 GB |
| DDR3 | Memory Type | DDR3 |
| 192 bit | Memory Bus | 64 bit |
| 38.40 GB/s | Bandwidth | 16.00 GB/s |
Performance
| 4.320 GPixel/s | Pixel fillrate | 6.840 GPixel/s |
| 17.28 GTexel/s | Texture fillrate | 17.10 GTexel/s |
| 414.7 GFLOPS | FP32 (float) performance | 547.2 GFLOPS |
| 34.56 GFLOPS (1:12) | FP64 (double) performance | 34.20 GFLOPS (1:16) |
Clock Speeds
| 800 MHz 1600 Mbps effective | Memory Clock | 1000 MHz 2 Gbps effective |
Render Config
| 144 | Shading Units | 320 |
| 24 | TMUs | 20 |
| 24 | ROPs | 8 |
| 64 KB (per SM) | L1 Cache | 16 KB (per CU) |
| 384 KB | L2 Cache | 128 KB |
Board Design
| Single-slot | Slot Width | IGP |
| 75 W | Thermal design power (TDP) | unknown |
| 2x DVI 1x mini-HDMI | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 1.1 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |