AMD Radeon Instinct MI250X vs NVIDIA Tesla T4
Graphics Processor
| GPU model | Aldebaran | TU104 |
|---|---|---|
| GPU variant | Aldebaran XT | TU104-895-A1 |
| Architecture | CDNA 2.0 | Turing |
| Foundry | TSMC | TSMC |
| Manufacturing process | 6 nm | 12 nm |
| Number of transistors | 58,200 million | 13,600 million |
| Die size | unknown | 545 mm² |
Graphics Card
| Release date | Nov 8th, 2021 | Sep 13th, 2018 |
|---|---|---|
| Generation | Radeon Instinct | Tesla |
| Production | unknown | Active |
| Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
Clocks
| Base clock | 1000 MHz | 585 MHz |
|---|---|---|
| Boost clock | 1700 MHz | 1590 MHz |
| Memory clock | 1600 MHz 3.2 Gbps effective | 1250 MHz 10 Gbps effective |
Memory Configuration
| Memory size | 128 GB | 16 GB |
|---|---|---|
| Memory type | HBM2E | GDDR6 |
| Memory bus width | 8192 bit | 256 bit |
| Bandwidth | 3,277 GB/s | 320.0 GB/s |
Render Configuration
| Shading units | 14080 | 2560 |
|---|---|---|
| TMUs | 880 | 160 |
| ROPs | 0 | 64 |
| Compute units | 220 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 16 MB | 4 MB |
| gpu.details.mcm | 2 | — |
| SM count | — | 40 |
| Tensor cores | — | 320 |
| RT cores | — | 40 |
Performance
| Pixel rate | 0 MPixel/s | 101.8 GPixel/s |
|---|---|---|
| Texture rate | 1,496 GTexel/s | 254.4 GTexel/s |
| FP16 (half) performance | 383.0 TFLOPS (8:1) | 65.13 TFLOPS (8:1) |
| FP32 (float) performance | 47.87 TFLOPS | 8.141 TFLOPS |
| FP64 (double) performance | 47.87 TFLOPS (1:1) | 254.4 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 168 mm 6.6 inches |
| Width | 111 mm 4.4 inches | — |
| TDP | 500 W | 70 W |
| Suggested PSU | 900 W | 250 W |
| Outputs | No outputs | No outputs |
| Power connectors | 2x 8-pin | None |
| Board number | — | PG183 SKU 200 |
API Support & Features
| DirectX | — | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | — | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | — | 1.2 |
| Shader model | — | 6.6 |
| CUDA | — | 7.5 |
