NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon R7 M270DX
What is the difference between NVIDIA GeForce GT 640 OEM Rebrand and AMD Radeon R7 M270DX. 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 | Jan 7th, 2014 |
| GeForce 600 | Family | Crystal System (Rx M200) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | IGP |
Memory
| 1536 MB | Memory Size | System Shared |
| DDR3 | Memory Type | System Shared |
| 192 bit | Memory Bus | System Shared |
| 38.40 GB/s | Bandwidth | System Dependent |
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 | System Shared |
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 |