Product Compare

NVIDIA RTX PRO 4500 Blackwell Server vs AMD Radeon Instinct MI250X

GPU GPU
Graphics Card
Release Date Mar 2026 Nov 2021
Generation Server Blackwell Radeon Instinct
Type Professional Professional
Bus Interface PCIe 5.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1215 MHz 1000 MHz
Boost Clock 2415 MHz 1700 MHz
Memory Clock 1563 MHz 1600 MHz
Memory
Memory Size 32GB 128GB
Memory Type GDDR7 HBM2e
Memory Bus 256bit 8192bit
Bandwidth 800.3GB/s 3277GB/s
Render Config
SM Count 82
Shading Units 10496 14080
TMUs 328 880
ROPs 112 0
Tensor Cores 328
RT Cores 82
L1 Cache 128 KB (per SM) 16 KB (per CU)
L2 Cache 64 MB 16 MB
Compute Units 220
Theoretical Performance
Pixel Rate 270.5 GPixel/s 0 MPixel/s
Texture Rate 792.1 GTexel/s 1496 GTexel/s
FP16 (half) 50.70 TFLOPS 383.0 TFLOPS
FP32 (float) 50.70 TFLOPS 47.87 TFLOPS
FP64 (double) 792.1 GFLOPS 47.87 TFLOPS
Graphics Processor
GPU Name GB203 Aldebaran
Architecture Blackwell 2.0 CDNA 2.0
Foundry TSMC TSMC
Process Size 5 nm 6 nm
Transistors 45.6 billion 58.2 billion
Die Size 378 mm² Unknown
GPU Variant Aldebaran XT
Board Design
TDP 165W 500W
Suggested PSU 450 W 900 W
Outputs No outputs No outputs
Power Connectors 1x 16-pin 2x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.4 N/A
CUDA 12.0
Shader Model 6.9 N/A