AMD Radeon HD 7470M vs AMD Radeon R5 M230 Rebrand
Graphics Processor
| GPU model | Seymour | Sun |
|---|---|---|
| GPU variant | Seymour XT (216-0810084) | Sun LE |
| Architecture | TeraScale 2 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 370 million | 690 million |
| Die size | 67 mm² | 56 mm² |
Mobile graphics
| Release date | Jan 7th, 2012 | May 31st, 2014 |
|---|---|---|
| Generation | London (HD 7400M) | Crystal System (R5 M200) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
| Predecessor | Vancouver | Solar System |
| Successor | Solar System | Mobility Radeon |
Clocks
| Base clock | 750 MHz | 780 MHz |
|---|---|---|
| Boost clock | 800 MHz | 850 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 14.40 GB/s | 14.40 GB/s |
Render Configuration
| Shading units | 160 | 320 |
|---|---|---|
| TMUs | 8 | 20 |
| ROPs | 4 | 8 |
| Compute units | 2 | 5 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 128 KB | 128 KB |
Performance
| Pixel rate | 3.200 GPixel/s | 6.800 GPixel/s |
|---|---|---|
| Texture rate | 6.400 GTexel/s | 17.00 GTexel/s |
| FP32 (float) performance | 256.0 GFLOPS | 544.0 GFLOPS |
| FP64 (double) performance | — | 34.00 GFLOPS (1:16) |
Dimensions & Outputs
| TDP | 25 W | unknown |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 5.1 |
