Radeon RX 640 OEM
General
ManufacturerAMD
SeriesPolaris(RX 600)
GPU NamePolaris 23
ArchitectureGCN 4.0
GenerationPolaris(RX 600)
Release DateApr 2020
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 Clock1,295 MHz
Boost Clock1,295 MHz
Memory
VRAM4 GB
Memory TypeGDDR5
Memory Clock1,500 MHz
Memory Bus128-bit
Bandwidth96 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
Suggested PSU250 W
Power ConnectorsNone
Dimensions
Outputs
Display Connectors1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a
API Support
DirectX12.0
OpenGL4.6
Vulkan1.3
OpenCL2.1
Shader Model6.7
Theoretical Performance
Pixel Rate20.72 GP/s
Texture Rate51.8 GT/s
FP16 (Half)1,658 GFLOPS
FP32 (Single)1,658 GFLOPS
FP64 (Double)103.6 GFLOPS
External
TechPowerUpView →
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