Radeon RX 640 Mobile
General
ManufacturerAMD
SeriesPolaris Mobile(M600)
GPU NamePolaris 23
ArchitectureGCN 4.0
GenerationPolaris Mobile(M600)
Release DateMay 2019
Bus InterfacePCIe 3.0 x8
Process & Die
FoundryGlobalFoundries
Process Size14 nm
Transistors2,200 M
Transistor Density21,400 K/mm²
Die Size103 mm²
Chip PackageBGA-769
Clock Speeds
Base Clock1,082 MHz
Boost Clock1,218 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,500 MHz
Memory Bus64-bit
Bandwidth48 GB/s
Processing Units
Shading Units640
TMUs40
ROPs16
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.5 MB
Power & Thermals
TDP50 W
Power ConnectorsNone
Dimensions
Outputs
API Support
DirectX12.0
OpenGL4.6
Vulkan1.3
OpenCL2.1
Shader Model6.7
Theoretical Performance
Pixel Rate19.49 GP/s
Texture Rate48.72 GT/s
FP16 (Half)1,559 GFLOPS
FP32 (Single)1,559 GFLOPS
FP64 (Double)97.44 GFLOPS
External
TechPowerUpView →
Other Polaris Mobile(M600) Models