AMD Radeon HD 7660D IGP vs NVIDIA GeForce 840M
What is the difference between AMD Radeon HD 7660D IGP and NVIDIA GeForce 840M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Devastator | GPU Name | GM108 |
| TeraScale 3 | Architecture | Maxwell |
| TSMC | Foundry | TSMC |
| 32 nm | Process Size | 28 nm |
| 1,303 million | Transistors | unknown |
| 246 mm² | Die Size | unknown |
Graphics Card
| Oct 2nd, 2012 | Release Date | Mar 12th, 2014 |
| Trinity (HD 7000) | Family | GeForce 800M |
| End-of-life | Production | End-of-life |
| Sumo | Predecessor | GeForce 700M |
| IGP | Bus Interface | PCIe 3.0 x8 |
Memory
| System Shared | Memory Size | 2 GB |
| System Shared | Memory Type | DDR3 |
| System Shared | Memory Bus | 64 bit |
| System Dependent | Bandwidth | 16.02 GB/s |
Performance
| 6.080 GPixel/s | Pixel fillrate | 8.992 GPixel/s |
| 18.24 GTexel/s | Texture fillrate | 17.98 GTexel/s |
| 583.7 GFLOPS | FP32 (float) performance | 863.2 GFLOPS |
Clock Speeds
| System Shared | Memory Clock | 1001 MHz 2 Gbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 16 |
| 8 | ROPs | 8 |
Board Design
| IGP | Slot Width | IGP |
| 100 W | Thermal design power (TDP) | 33 W |
| No outputs | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 12 (11_0) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 5.0 | Shader Model | 5.1 |