NVIDIA GeForce 845M vs AMD Radeon HD 7850M
What is the difference between NVIDIA GeForce 845M and AMD Radeon HD 7850M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | Heathrow |
| Maxwell | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| unknown | Transistors | 1,500 million |
| unknown | Die Size | 123 mm² |
Graphics Card
| Aug 26th, 2015 | Release Date | Apr 24th, 2012 |
| GeForce 800M | Family | London (HD 7800M) |
| Active | Production | End-of-life |
| GeForce 700M | Predecessor | Vancouver |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 40.10 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 18.82 GPixel/s | Pixel fillrate | 10.80 GPixel/s |
| 37.63 GTexel/s | Texture fillrate | 27.00 GTexel/s |
| 903.2 GFLOPS | FP32 (float) performance | 864.0 GFLOPS |
| 28.22 GFLOPS (1:32) | FP64 (double) performance | 54.00 GFLOPS (1:16) |
Clock Speeds
| 1253 MHz 5 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
Render Config
| 384 | Shading Units | 640 |
| 32 | TMUs | 40 |
| 16 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per CU) |
| 1024 KB | L2 Cache | 256 KB |
Board Design
| 33 W | Thermal design power (TDP) | 40 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 |