Intel Iris Plus Graphics 655 vs Intel UHD Graphics 617
Graphics Processor
| GPU model | Coffee Lake GT3e | Amber Lake GT2 |
|---|---|---|
| Architecture | Generation 9.5 | Generation 9.5 |
| Foundry | Intel | Intel |
| Manufacturing process | 14 nm+++ | 14 nm |
| Number of transistors | unknown | unknown |
| Die size | unknown | unknown |
Integrated Graphics
| Release date | Apr 3rd, 2018 | Nov 7th, 2018 |
|---|---|---|
| Generation | HD Graphics-M (Coffee Lake) | HD Graphics-T (Amber Lake) |
| Production | Active | Active |
| Interface | Ring Bus | Ring Bus |
| Reviews | 1 in our database | 1 in our database |
Clocks
| Base clock | 300 MHz | 300 MHz |
|---|---|---|
| Boost clock | 1050 MHz | 1050 MHz |
| Memory clock | System Shared | System Shared |
Memory Configuration
| Memory size | System Shared | System Shared |
|---|---|---|
| Memory type | System Shared | System Shared |
| Memory bus width | System Shared | System Shared |
| Bandwidth | System Dependent | System Dependent |
Render Configuration
| Shading units | 384 | 192 |
|---|---|---|
| TMUs | 48 | 24 |
| ROPs | 6 | 3 |
| Execution units | 48 | 24 |
Performance
| Pixel rate | 6.300 GPixel/s | 3.150 GPixel/s |
|---|---|---|
| Texture rate | 50.40 GTexel/s | 25.20 GTexel/s |
| FP16 (half) performance | 1.613 TFLOPS (2:1) | 806.4 GFLOPS (2:1) |
| FP32 (float) performance | 806.4 GFLOPS | 403.2 GFLOPS |
| FP64 (double) performance | 201.6 GFLOPS (1:4) | 100.8 GFLOPS (1:4) |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | 15 W | 15 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (12_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.4 |
