AMD Radeon R9 M470X vs NVIDIA GeForce GTX 675MX Mac Edition
Graphics Processor
| GPU model | Emerald | GK104 |
|---|---|---|
| GPU variant | Emerald XT | N13E-GSR-A2 |
| Architecture | GCN 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 2,080 million | 3,540 million |
| Die size | 160 mm² | 294 mm² |
Mobile graphics
| Release date | May 15th, 2016 | Apr 1st, 2013 |
|---|---|---|
| Generation | Crystal System (R9 M400) | GeForce 600M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Predecessor | Solar System | GeForce 500M |
| Successor | Mobility Radeon | GeForce 700M |
Clocks
| Base clock | 1000 MHz | — |
|---|---|---|
| Boost clock | 1100 MHz | — |
| Memory clock | 1500 MHz 6 Gbps effective | 1250 MHz 5 Gbps effective |
| GPU clock | — | 719 MHz |
Memory Configuration
| Memory size | 4 GB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 96.00 GB/s | 160.0 GB/s |
Render Configuration
| Shading units | 896 | 1344 |
|---|---|---|
| TMUs | 56 | 112 |
| ROPs | 16 | 32 |
| Compute units | 14 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 512 KB |
| SMX count | — | 7 |
Performance
| Pixel rate | 17.60 GPixel/s | 20.13 GPixel/s |
|---|---|---|
| Texture rate | 61.60 GTexel/s | 80.53 GTexel/s |
| FP32 (float) performance | 1.971 TFLOPS | 1.933 TFLOPS |
| FP64 (double) performance | 123.2 GFLOPS (1:16) | 80.53 GFLOPS (1:24) |
Dimensions & Outputs
| TDP | unknown | 100 W |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.3 | 5.1 |
| CUDA | — | 3.0 |
