AMD Radeon HD 7750M vs AMD Radeon R9 M270X
Graphics Processor
| GPU model | Chelsea | Saturn |
|---|---|---|
| GPU variant | Chelsea PRO | Saturn PRO |
| Architecture | GCN 1.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 1,500 million | 2,080 million |
| Die size | 123 mm² | 160 mm² |
Mobile graphics
| Release date | Apr 24th, 2012 | Feb 5th, 2015 |
|---|---|---|
| Generation | London (HD 7700M) | Crystal System (R9 M200) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Predecessor | Vancouver | Solar System |
| Successor | Solar System | Mobility Radeon |
Clocks
| GPU clock | 575 MHz | — |
|---|---|---|
| Memory clock | 1000 MHz 4 Gbps effective | 1375 MHz 5.5 Gbps effective |
| Base clock | — | 900 MHz |
| Boost clock | — | 1000 MHz |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 64.00 GB/s | 88.00 GB/s |
Render Configuration
| Shading units | 512 | 768 |
|---|---|---|
| TMUs | 32 | 48 |
| ROPs | 16 | 16 |
| Compute units | 8 | 12 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 256 KB |
Performance
| Pixel rate | 9.200 GPixel/s | 16.00 GPixel/s |
|---|---|---|
| Texture rate | 18.40 GTexel/s | 48.00 GTexel/s |
| FP32 (float) performance | 588.8 GFLOPS | 1.536 TFLOPS |
| FP64 (double) performance | 36.80 GFLOPS (1:16) | 96.00 GFLOPS (1:16) |
Dimensions & Outputs
| TDP | 28 W | unknown |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.3 |
