Skip to content
GPU Ninja

Radeon RX 640

AMD · GCN 4.0

Discontinued

Specs verified:

Specifications

Vendor
AMD
Source
Retrieved
Last verified
Verification
Verified
Architecture
GCN 4.0
Source
Retrieved
Last verified
Verification
Verified
Die
Lexa
Source
Retrieved
Last verified
Verification
Verified
Process
GlobalFoundries 14LPP
Source
Retrieved
Last verified
Verification
Verified
Shader cores
640
Source
Retrieved
Last verified
Verification
Verified
Tensor cores
None
RT cores
None
Memory bus
64-bit
Source
Retrieved
Last verified
Verification
Verified
Max VRAM
4 GB
Source
Retrieved
Last verified
Verification
Verified
Reference boost clock
1,287 MHz
Source
Retrieved
Last verified
Verification
Verified
Reference TDP
50 W
Source
Retrieved
Last verified
Verification
Verified
Host interface
Not recorded
Launch MSRP
No public MSRP
Launch date
13 Aug 2019
Source
Retrieved
Last verified
Verification
Verified
Segment
Mobile
Source
Retrieved
Last verified
Verification
Verified
PCI IDs
1002:6987
Source
Retrieved
Last verified
Verification
Verified
Status
Discontinued on 8 Nov 2023
Source
Retrieved
Last verified
Verification
Unverified

Performance

Memory bandwidth
56 GB/s
Source
Retrieved
Last verified
Verification
Verified
FP32 compute
1.65 TFLOPS
Source
Retrieved
Last verified
Verification
Verified
FP16 compute
1.65 TFLOPS
Source
Retrieved
Last verified
Verification
Unverified
BF16 compute
Not supported
FP8 compute
Not supported
FP4 compute
Not supported
INT8 compute
Not supported

Boards built on this chip

No boards recorded for this chip.

Benchmarks

No benchmark results recorded.

Sources