TrackAura

Radeon RX 640 Mobile

AMD · Released May 13, 2019

Graphics Core Next (GCN) is the codename for a series of microarchitectures and an instruction set architecture that were developed by AMD for its GPUs as the successor to its TeraScale microarchitecture. The first product featuring GCN was launched on January 9, 2012.

Description from Wikipedia (CC BY-SA 4.0)

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Specifications

Chip
Architecture
GCN 4.0
Generation
Polaris Mobile(M600)
Codename
Polaris 23
Bus Interface
PCIe 3.0 x8
Performance
Base Clock
1082 MHz
Boost Clock
1218 MHz
Memory
Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
64-bit
Power
TDP
50 W
Manufacturing
Process
14 nm

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Catalog data from TechPowerUp (vendored). Prices observed from Canadian retailers and refreshed daily. Current price = most recent observation per listing within the last 7 days.

Last refreshed: May 30, 2026, 7:10 a.m.