Intel HD Graphics vs Intel UHD Graphics 615
Graphics Processor
| GPU model | Bay Trail GT1 | Amber Lake GT2 |
|---|---|---|
| Architecture | Generation 7.0 | Generation 9.5 |
| Foundry | Intel | Intel |
| Manufacturing process | 22 nm | 14 nm |
| Number of transistors | unknown | unknown |
| Die size | unknown | unknown |
Integrated Graphics
| Release date | Sep 2nd, 2013 | Nov 7th, 2018 |
|---|---|---|
| Generation | HD Graphics-T (Bay Trail) | HD Graphics-T (Amber Lake) |
| Production | End-of-life | Active |
| Interface | Ring Bus | Ring Bus |
| Reviews | 1 in our database | 1 in our database |
Clocks
| Base clock | 311 MHz | 300 MHz |
|---|---|---|
| Boost clock | 646 MHz | 900 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 | 32 | 192 |
|---|---|---|
| TMUs | 4 | 24 |
| ROPs | 1 | 3 |
| Execution units | 4 | 24 |
Performance
| Pixel rate | 646.0 MPixel/s | 2.700 GPixel/s |
|---|---|---|
| Texture rate | 2.584 GTexel/s | 21.60 GTexel/s |
| FP32 (float) performance | 41.34 GFLOPS | 345.6 GFLOPS |
| FP64 (double) performance | 10.34 GFLOPS (1:4) | 86.40 GFLOPS (1:4) |
| FP16 (half) performance | — | 691.2 GFLOPS (2:1) |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | 4 W | 15 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 11.1 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.0 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.0 | 1.2 |
| Shader model | 5.0 | 6.4 |
