Product Compare

AMD Radeon Vega 8 Mobile vs AMD Radeon RX 640 Mobile

GPU GPU
Graphics Card
Release Date Jan 2021 May 2019
Generation Cezanne Mobility Radeon
Type Integrated Mobile
Bus Interface IGP PCIe 3.0 x8
Clock Speeds
Base Clock 300 MHz 1082 MHz
Boost Clock 2000 MHz 1218 MHz
Memory Clock System Shared 1500 MHz
Memory
Memory Size System Shared 2GB
Memory Type System Shared GDDR5
Memory Bus System Shared 64bit
Bandwidth System Dependent 48.00GB/s
Render Config
Compute Units 8 10
Shading Units 512 640
TMUs 32 40
ROPs 8 16
L1 Cache 16 KB (per CU)
L2 Cache 512 KB
Theoretical Performance
Pixel Rate 16.00 GPixel/s 19.49 GPixel/s
Texture Rate 64.00 GTexel/s 48.72 GTexel/s
FP16 (half) 4.096 TFLOPS 1.559 TFLOPS
FP32 (float) 2.048 TFLOPS 1.559 TFLOPS
FP64 (double) 128.0 GFLOPS 97.44 GFLOPS
Graphics Processor
GPU Name Cezanne Polaris 23
Architecture GCN 5.1 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 7 nm 14 nm
Transistors 9.8 billion 2.2 billion
Die Size 156 mm² 103 mm²
GPU Variant Polaris 23 XT
Board Design
TDP 45W 50W
Outputs No outputs No outputs
Power Connectors None None
Graphics Features
DirectX 12 (12_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2 1.2
Shader Model 6.4 6.4