AMD Radeon RX Vega M GL vs NVIDIA GeForce GTX 780M Mac Edition
Graphics Processor
| GPU model | Polaris 22 | GK104 |
|---|---|---|
| GPU variant | VegaM XL (D715A714) | N14E-GTX-A2 |
| Architecture | GCN 4.0 | Kepler |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 28 nm |
| Number of transistors | 5,000 million | 3,540 million |
| Die size | 208 mm² | 294 mm² |
Mobile graphics
| Release date | Feb 1st, 2018 | Nov 8th, 2013 |
|---|---|---|
| Generation | Vega (Vega M) | GeForce 700M |
| Production | Active | End-of-life |
| Interface | IGP | MXM-B (3.0) |
| Predecessor | — | GeForce 600M |
| Successor | — | GeForce 800M |
Clocks
| Base clock | 931 MHz | 771 MHz |
|---|---|---|
| Boost clock | 1011 MHz | 797 MHz |
| Memory clock | 700 MHz 1400 Mbps effective | 1250 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 4 GB | 4 GB |
|---|---|---|
| Memory type | HBM2 | GDDR5 |
| Memory bus width | 1024 bit | 256 bit |
| Bandwidth | 179.2 GB/s | 160.0 GB/s |
Render Configuration
| Shading units | 1280 | 1536 |
|---|---|---|
| TMUs | 80 | 128 |
| ROPs | 32 | 32 |
| Compute units | 20 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 1024 KB | 512 KB |
| SMX count | — | 8 |
Performance
| Pixel rate | 32.35 GPixel/s | 25.50 GPixel/s |
|---|---|---|
| Texture rate | 80.88 GTexel/s | 102.0 GTexel/s |
| FP16 (half) performance | 2.588 TFLOPS (1:1) | — |
| FP32 (float) performance | 2.588 TFLOPS | 2.448 TFLOPS |
| FP64 (double) performance | 161.8 GFLOPS (1:16) | 102.0 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | IGP | MXM Module |
|---|---|---|
| TDP | 65 W | 122 W |
| Outputs | No outputs | No outputs |
| Board number | D136 | — |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.4 | 5.1 |
| CUDA | — | 3.0 |
