NVIDIA GeForce 845M vs AMD Radeon HD 6870M
What is the difference between NVIDIA GeForce 845M and AMD Radeon HD 6870M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | Granville |
| Maxwell | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| unknown | Transistors | 1,040 million |
| unknown | Die Size | 166 mm² |
Graphics Card
| Aug 26th, 2015 | Release Date | Jan 4th, 2011 |
| GeForce 800M | Family | Vancouver (HD 6800M) |
| Active | Production | End-of-life |
| GeForce 700M | Predecessor | Manhattan |
| PCIe 3.0 x8 | Bus Interface | MXM-B (3.0) |
Memory
| 2 GB | Memory Size | 1024 MB |
| 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 | 1,080 GFLOPS |
Clock Speeds
| 1253 MHz 5 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
Render Config
| 384 | Shading Units | 800 |
| 32 | TMUs | 40 |
| 16 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 8 KB (per CU) |
| 1024 KB | L2 Cache | 256 KB |
Board Design
| IGP | Slot Width | MXM Module |
| 33 W | Thermal design power (TDP) | 50 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 5.0 |