AMD Radeon R5 M330 vs AMD Radeon R6 M255DX
Graphics Processor
| GPU model | Exo | Jet |
|---|---|---|
| GPU variant | Exo PRO | Jet PRO (216-0568010) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 690 million | 690 million |
| Die size | 56 mm² | 56 mm² |
Mobile graphics
| Release date | May 5th, 2015 | — |
|---|---|---|
| Generation | Crystal System (R5 M300) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Solar System | — |
| Successor | Mobility Radeon | — |
Clocks
| Base clock | 955 MHz | 780 MHz |
|---|---|---|
| Boost clock | 1030 MHz | 855 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | System Shared |
Memory Configuration
| Memory size | 2 GB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 14.40 GB/s | System Dependent |
Render Configuration
| Shading units | 320 | 320 |
|---|---|---|
| TMUs | 20 | 20 |
| ROPs | 8 | 8 |
| Compute units | 5 | 5 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 128 KB | 128 KB |
Performance
| Pixel rate | 8.240 GPixel/s | 6.840 GPixel/s |
|---|---|---|
| Texture rate | 20.60 GTexel/s | 17.10 GTexel/s |
| FP32 (float) performance | 659.2 GFLOPS | 547.2 GFLOPS |
| FP64 (double) performance | 41.20 GFLOPS (1:16) | 34.20 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | 18 W | unknown |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.0 | 5.1 |
Other Features
Integrated Graphics
| Release date | — | Jan 7th, 2014 |
|---|---|---|
| Generation | — | Crystal System (Rx M200) |
| Production | — | End-of-life |
| Interface | — | IGP |
