Intel UHD Graphics 620 vs Intel UHD Graphics 770
Graphics Processor
| GPU model | Kaby Lake GT2 | Alder Lake GT1 |
|---|---|---|
| Architecture | Generation 9.5 | Generation 12.2 |
| Foundry | Intel | Intel |
| Manufacturing process | 14 nm++ | 10 nm |
| Number of transistors | unknown | unknown |
| Die size | unknown | unknown |
Integrated Graphics
| Release date | Sep 1st, 2017 | Nov 4th, 2021 |
|---|---|---|
| Generation | HD Graphics-M (Kaby Lake Refresh) | HD Graphics (Alder 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 | 1000 MHz | 1450 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 | 192 | 256 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 3 | 8 |
| Execution units | 24 | 32 |
Performance
| Pixel rate | 3.000 GPixel/s | 11.60 GPixel/s |
|---|---|---|
| Texture rate | 24.00 GTexel/s | 23.20 GTexel/s |
| FP16 (half) performance | 768.0 GFLOPS (2:1) | 1,485 GFLOPS (2:1) |
| FP32 (float) performance | 384.0 GFLOPS | 742.4 GFLOPS |
| FP64 (double) performance | 96.00 GFLOPS (1:4) | 185.6 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 |
