Product Compare

AMD Radeon RX 640 Mobile vs AMD Radeon Instinct MI308X

GPU GPU
Graphics Card
Release Date May 2019 Dec 2023
Generation Mobility Radeon Radeon Instinct
Type Mobile Professional
Bus Interface PCIe 3.0 x8 PCIe 5.0 x16
Clock Speeds
Base Clock 1082 MHz 1000 MHz
Boost Clock 1218 MHz 2100 MHz
Memory Clock 1500 MHz 1300 MHz
Memory
Memory Size 2GB 192GB
Memory Type GDDR5 HBM3
Memory Bus 64bit 8192bit
Bandwidth 48.00GB/s 5.32TB/s
Render Config
Compute Units 10 304
Shading Units 640 19456
TMUs 40 1216
ROPs 16 0
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 16 MB
Tensor Cores 1216
L3 Cache 256 MB
Theoretical Performance
Pixel Rate 19.49 GPixel/s 0 MPixel/s
Texture Rate 48.72 GTexel/s 2553.6 GTexel/s
FP16 (half) 1.559 TFLOPS 81.72 TFLOPS
FP32 (float) 1.559 TFLOPS 81.72 TFLOPS
FP64 (double) 97.44 GFLOPS 40.86 TFLOPS
Graphics Processor
GPU Name Polaris 23 Aqua Vanjaram
GPU Variant Polaris 23 XT
Architecture GCN 4.0 CDNA 3.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 5 nm
Transistors 2.2 billion 153 billion
Die Size 103 mm² 1017 mm²
Board Design
TDP 50W 750W
Outputs No outputs No outputs
Power Connectors None None
Suggested PSU 1150 W
Graphics Features
DirectX 12 (12_0) N/A
OpenGL 4.6 N/A
OpenCL 2.1 3.0
Vulkan 1.2 N/A
Shader Model 6.4 N/A