Product Compare

AMD Radeon 660M vs AMD Radeon Instinct MI250

GPU GPU
Graphics Card
Release Date Jan 2022 Nov 2021
Generation Rembrandt Radeon Instinct
Type Integrated Professional
Bus Interface PCIe 4.0 x8 PCIe 4.0 x16
Clock Speeds
Base Clock 1500 MHz 1000 MHz
Boost Clock 1900 MHz 1700 MHz
Memory Clock System Shared 1600 MHz
Memory
Memory Size System Shared 128GB
Memory Type System Shared HBM2e
Memory Bus System Shared 8192bit
Bandwidth System Dependent 3277GB/s
Render Config
Compute Units 6 208
Shading Units 384 13312
TMUs 24 832
ROPs 16 0
RT Cores 6
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 2 MB 16 MB
Theoretical Performance
Pixel Rate 30.40 GPixel/s 0 MPixel/s
Texture Rate 45.60 GTexel/s 1414 GTexel/s
FP16 (half) 2.918 TFLOPS 362.1 TFLOPS
FP32 (float) 1459 GFLOPS 45.26 TFLOPS
FP64 (double) 91.20 GFLOPS 45.26 TFLOPS
Graphics Processor
GPU Name Rembrandt Aldebaran
Architecture RDNA 2.0 CDNA 2.0
Foundry TSMC TSMC
Process Size 6 nm 6 nm
Transistors 13.1 billion 58.2 billion
Die Size 210 mm² Unknown
GPU Variant Aldebaran
Board Design
TDP 15W 500W
Outputs No outputs No outputs
Power Connectors None 2x 8-pin
Suggested PSU 900 W
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 2.0 3.0
Vulkan 1.2 N/A
Shader Model 6.5 N/A