Product Compare

AMD Radeon Instinct MI250 vs NVIDIA GeForce RTX 5080 Mobile

GPU GPU
Graphics Card
Release Date Nov 2021 Apr 2025
Generation Radeon Instinct GeForce 50 Mobile
Type Professional Mobile
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1000 MHz 975 MHz
Boost Clock 1700 MHz 1500 MHz
Memory Clock 1600 MHz 1750 MHz
Memory
Memory Size 128GB 16GB
Memory Type HBM2e GDDR7
Memory Bus 8192bit 256bit
Bandwidth 3277GB/s 896.0GB/s
Render Config
Compute Units 208
Shading Units 13312 7680
TMUs 832 240
ROPs 0 96
L1 Cache 16 KB (per CU) 128 KB (per SM)
L2 Cache 16 MB 64 MB
SM Count 60
Tensor Cores 240
RT Cores 60
Theoretical Performance
Pixel Rate 0 MPixel/s 144.0 GPixel/s
Texture Rate 1414 GTexel/s 360.0 GTexel/s
FP16 (half) 362.1 TFLOPS 23.04 TFLOPS
FP32 (float) 45.26 TFLOPS 23.04 TFLOPS
FP64 (double) 45.26 TFLOPS 360.0 GFLOPS
Graphics Processor
GPU Name Aldebaran GB203
GPU Variant Aldebaran
Architecture CDNA 2.0 Blackwell 2.0
Foundry TSMC TSMC
Process Size 6 nm 5 nm
Transistors 58.2 billion 45.6 billion
Die Size Unknown 378 mm²
Board Design
TDP 500W 80W
Suggested PSU 900 W 550 W
Outputs No outputs Portable Device Dependent
Power Connectors 2x 8-pin None
Graphics Features
DirectX N/A 12 Ultimate (12_2)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.4
Shader Model N/A 6.8
CUDA 12.0