NVIDIA GeForce GTX 275 vs Intel Iris Plus Graphics 645
What is the difference between NVIDIA GeForce GTX 275 and Intel Iris Plus Graphics 645. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GT200B | GPU Name | Coffee Lake GT3e |
| Tesla 2.0 | Architecture | Generation 9.5 |
| TSMC | Foundry | Intel |
| 55 nm | Process Size | 14 nm+++ |
| 1,400 million | Transistors | unknown |
| 470 mm² | Die Size | unknown |
Graphics Card
| Jan 15th, 2009 | Release Date | Oct 7th, 2019 |
| GeForce 200 | Family | HD Graphics-M (Coffee Lake) |
| End-of-life | Production | Active |
| PCIe 2.0 x16 | Bus Interface | Ring Bus |
Memory
| 896 MB | Memory Size | System Shared |
| GDDR3 | Memory Type | System Shared |
| 448 bit | Memory Bus | System Shared |
| 127.0 GB/s | Bandwidth | System Dependent |
Performance
| 17.72 GPixel/s | Pixel fillrate | 6.300 GPixel/s |
| 50.64 GTexel/s | Texture fillrate | 50.40 GTexel/s |
| 673.9 GFLOPS | FP32 (float) performance | 806.4 GFLOPS |
| 84.24 GFLOPS (1:8) | FP64 (double) performance | 201.6 GFLOPS (1:4) |
Clock Speeds
| 1134 MHz 2.3 Gbps effective | Memory Clock | System Shared |
Render Config
| 240 | Shading Units | 384 |
| 80 | TMUs | 48 |
| 28 | ROPs | 6 |
Board Design
| Dual-slot | Slot Width | IGP |
| 219 W | Thermal design power (TDP) | 15 W |
| 2x DVI | Display Connectors | No outputs |
API support
| 11.1 (10_0) | DirectX | 12 (12_1) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 3.0 |
| N/A | Vulkan | 1.2 |
| 4.0 | Shader Model | 6.4 |