AMD Radeon Instinct MI250X vs AMD Radeon Pro Vega 16
Graphics Processor
| GPU model | Aldebaran | Vega 12 |
|---|---|---|
| GPU variant | Aldebaran XT | Vega 12 XLA |
| Architecture | CDNA 2.0 | GCN 5.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 6 nm | 14 nm |
| Number of transistors | 58,200 million | unknown |
| Die size | unknown | unknown |
Graphics Card
| Release date | Nov 8th, 2021 | — |
|---|---|---|
| Generation | Radeon Instinct | — |
| Production | unknown | — |
| Interface | PCIe 4.0 x16 | — |
Clocks
| Base clock | 1000 MHz | 815 MHz |
|---|---|---|
| Boost clock | 1700 MHz | 1190 MHz |
| Memory clock | 1600 MHz 3.2 Gbps effective | 1200 MHz 2.4 Gbps effective |
Memory Configuration
| Memory size | 128 GB | 4 GB |
|---|---|---|
| Memory type | HBM2E | HBM2 |
| Memory bus width | 8192 bit | 1024 bit |
| Bandwidth | 3,277 GB/s | 307.2 GB/s |
Render Configuration
| Shading units | 14080 | 1024 |
|---|---|---|
| TMUs | 880 | 64 |
| ROPs | 0 | 32 |
| Compute units | 220 | 16 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 16 MB | 1024 KB |
| gpu.details.mcm | 2 | — |
Performance
| Pixel rate | 0 MPixel/s | 38.08 GPixel/s |
|---|---|---|
| Texture rate | 1,496 GTexel/s | 76.16 GTexel/s |
| FP16 (half) performance | 383.0 TFLOPS (8:1) | 4.874 TFLOPS (2:1) |
| FP32 (float) performance | 47.87 TFLOPS | 2.437 TFLOPS |
| FP64 (double) performance | 47.87 TFLOPS (1:1) | 152.3 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 267 mm 10.5 inches | — |
| Width | 111 mm 4.4 inches | — |
| TDP | 500 W | 75 W |
| Suggested PSU | 900 W | — |
| Outputs | No outputs | No outputs |
| Power connectors | 2x 8-pin | — |
API Support & Features
| DirectX | — | 12 (12_1) |
|---|---|---|
| OpenGL | — | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | — | 1.2 |
| Shader model | — | 6.3 |
Other Features
Mobile graphics
| Release date | — | Nov 14th, 2018 |
|---|---|---|
| Generation | — | Radeon Pro Mac (Vega Series) |
| Production | — | Active |
| Interface | — | PCIe 3.0 x16 |
