AMD Radeon R5 M255 vs Intel HD Graphics 4400
Graphics Processor
| GPU model | Topaz | Haswell GT2 |
|---|---|---|
| GPU variant | Topaz PRO (216-0864032) | — |
| Architecture | GCN 3.0 | Generation 7.5 |
| Foundry | TSMC | Intel |
| Manufacturing process | 28 nm | 22 nm |
| Number of transistors | 1,550 million | unknown |
| Die size | 125 mm² | unknown |
Mobile graphics
| Release date | Oct 12th, 2014 | — |
|---|---|---|
| Generation | Crystal System (R5 M200) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Solar System | — |
| Successor | Mobility Radeon | — |
Clocks
| Base clock | 925 MHz | 200 MHz |
|---|---|---|
| Boost clock | 940 MHz | 1150 MHz |
| Memory clock | 1000 MHz 4 Gbps effective | System Shared |
Memory Configuration
| Memory size | 1024 MB | System Shared |
|---|---|---|
| Memory type | GDDR5 | System Shared |
| Memory bus width | 128 bit | System Shared |
| Bandwidth | 64.00 GB/s | System Dependent |
Render Configuration
| Shading units | 384 | 160 |
|---|---|---|
| TMUs | 24 | 20 |
| ROPs | 8 | 2 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Execution units | — | 20 |
Performance
| Pixel rate | 7.520 GPixel/s | 2.300 GPixel/s |
|---|---|---|
| Texture rate | 22.56 GTexel/s | 23.00 GTexel/s |
| FP16 (half) performance | 721.9 GFLOPS (1:1) | — |
| FP32 (float) performance | 721.9 GFLOPS | 368.0 GFLOPS |
| FP64 (double) performance | 45.12 GFLOPS (1:16) | 92.00 GFLOPS (1:4) |
Dimensions & Outputs
| TDP | unknown | 20 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.6 | 4.3 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2 | 1.0 |
| Shader model | 6.3 | 5.1 |
Other Features
Integrated Graphics
| Release date | — | Sep 3rd, 2013 |
|---|---|---|
| Generation | — | HD Graphics (Haswell) |
| Production | — | End-of-life |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
