NVIDIA GeForce 840A vs AMD Radeon R7 M440
What is the difference between NVIDIA GeForce 840A and AMD Radeon R7 M440. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | Meso |
| Maxwell | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| unknown | Transistors | 1,550 million |
| unknown | Die Size | 125 mm² |
Graphics Card
| Mar 17th, 2014 | Release Date | May 15th, 2016 |
| GeForce 800A | Family | Crystal System (R7 M400) |
| End-of-life | Production | Active |
| GeForce 700A | Predecessor | Solar System |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 4 GB |
| DDR3 | Memory Type | DDR3 |
| 64 bit | Memory Bus | 64 bit |
| 16.02 GB/s | Bandwidth | 14.40 GB/s |
Performance
| 8.992 GPixel/s | Pixel fillrate | 7.128 GPixel/s |
| 17.98 GTexel/s | Texture fillrate | 17.82 GTexel/s |
| 863.2 GFLOPS | FP32 (float) performance | 570.2 GFLOPS |
| 26.98 GFLOPS (1:32) | FP64 (double) performance | 35.64 GFLOPS (1:16) |
Clock Speeds
| 1001 MHz 2 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 384 | Shading Units | 320 |
| 16 | TMUs | 20 |
| 8 | ROPs | 8 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per CU) |
| 1024 KB | L2 Cache | 128 KB |
Board Design
| IGP | Slot Width | IGP |
| 33 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.0 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.0 |