Product Compare

AMD Radeon Instinct MI350X vs AMD Radeon RX 6600S

GPU GPU
Graphics Card
Release Date Jun 2025 Jan 2022
Generation Radeon Instinct Mobility Radeon
Type Professional Mobile
Bus Interface PCIe 5.0 x16 PCIe 4.0 x8
Clock Speeds
Base Clock 1000 MHz 1700 MHz
Boost Clock 2200 MHz 2000 MHz
Memory Clock 2000 MHz 1750 MHz
Memory
Memory Size 288GB 4GB
Memory Type HBM3e GDDR6
Memory Bus 8192bit 128bit
Bandwidth 8.19TB/s 224.0GB/s
Render Config
Compute Units 256 28
Shading Units 16384 1792
TMUs 1024 112
ROPs 0 64
Tensor Cores 1024
L1 Cache 16 KB (per CU) 128 KB per Array
L2 Cache 16 MB 2 MB
L3 Cache 256 MB 32 MB
RT Cores 28
Theoretical Performance
Pixel Rate 0 MPixel/s 128.0 GPixel/s
Texture Rate 2252.8 GTexel/s 224.0 GTexel/s
FP16 (half) 72.09 TFLOPS 14.34 TFLOPS
FP32 (float) 72.09 TFLOPS 7.168 TFLOPS
FP64 (double) 36.04 TFLOPS 448.0 GFLOPS
Graphics Processor
GPU Name MI350 256CU Navi 23
Architecture CDNA 4.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 3 nm 7 nm
Transistors 185 billion 11.06 billion
Die Size Unknown 237 mm²
Board Design
TDP 1000W 80W
Suggested PSU 1400 W
Outputs No outputs No outputs
Power Connectors None None
Graphics Features
DirectX N/A 12 Ultimate (12_2)
OpenGL N/A 4.6
OpenCL 3.0 2.1
Vulkan N/A 1.3
Shader Model N/A 6.5