Intel Iris Graphics 5100 vs NVIDIA GeForce 945A
Graphics Processor
| GPU model | Haswell GT3 | GM108 |
|---|---|---|
| Architecture | Generation 7.5 | Maxwell |
| Foundry | Intel | TSMC |
| Manufacturing process | 22 nm | 28 nm |
| Number of transistors | 1,300 million | unknown |
| Die size | 181 mm² | unknown |
Integrated Graphics
| Release date | May 27th, 2013 | — |
|---|---|---|
| Generation | HD Graphics-M (Haswell) | — |
| Production | End-of-life | — |
| Interface | Ring Bus | — |
| Reviews | 1 in our database | — |
Clocks
| Base clock | 200 MHz | 1006 MHz |
|---|---|---|
| Boost clock | 1100 MHz | 1189 MHz |
| Memory clock | System Shared | 1253 MHz 5 Gbps effective |
Memory Configuration
| Memory size | System Shared | 1024 MB |
|---|---|---|
| Memory type | System Shared | GDDR5 |
| Memory bus width | System Shared | 64 bit |
| Bandwidth | System Dependent | 40.10 GB/s |
Render Configuration
| Shading units | 320 | 384 |
|---|---|---|
| TMUs | 40 | 24 |
| ROPs | 4 | 8 |
| Execution units | 40 | — |
| SMM count | — | 3 |
| Cache L1 | — | 64 KB (per SMM) |
| Cache L2 | — | 1024 KB |
Performance
| Pixel rate | 4.400 GPixel/s | 9.512 GPixel/s |
|---|---|---|
| Texture rate | 44.00 GTexel/s | 28.54 GTexel/s |
| FP32 (float) performance | 704.0 GFLOPS | 913.2 GFLOPS |
| FP64 (double) performance | 176.0 GFLOPS (1:4) | 28.54 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | IGP | MXM Module |
|---|---|---|
| TDP | 30 W | 33 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.3 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.0 | 1.1 |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 5.0 |
Other Features
Mobile graphics
| Release date | — | Mar 13th, 2015 |
|---|---|---|
| Generation | — | GeForce 900A |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x8 |
| Predecessor | — | GeForce 800A |
