Radeon RX M640 Specs
Radeon RX M640
|
640 Shaders
4GB GDDR5
1287MHz
|
|
FP32
1.65 TFLOPS
|
|
FP16
1.65 TFLOPS
|
|
Form Factor
Soldered
-
|
|
TDP
50W
|
|
-
-
-
-
-
|
|
GB5 OpenCL - N/A
0%
|
|
GB5 CUDA - N/A
0%
|
|
GB5 Metal - N/A
0%
|
|
GB5 Vulkan - N/A
0%
|
|
OCT 2020.1 - N/A
0%
|
|
OCT Metal - N/A
0%
|
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
|
Architecture
GCN 4
|
|
Codename
Lexa
Polaris 23
Variant
Polaris 23 XTM
|
|
Market Segment
Laptop
|
|
Release Date
8/13/2019
|
|
Foundry
GlobalFoundries
-
|
|
Fabrication Node
14LPP
-
|
|
Die Size
103 mm²
-
|
|
Transistor Count
2.2 Billion
-
|
|
Transistor Density
21.36M/mm²
-
|
|
Form
Soldered
|
|
Shading Units
640 Shaders
-
|
|
Texture Mapping Units
40 TMUs
|
|
Render Output Units
16 ROPs
|
|
-
-
|
|
-
-
|
|
-
-
|
|
Compute Units
10 CUs
|
|
-
-
|
|
-
-
|
|
-
-
1100MHz Base
1287MHz
|
|
Floating Point
|
|
-
-
|
|
-
-
-
|
|
FP16
1.65 TFLOPS
-
|
|
-
-
-
|
|
FP32
1.65 TFLOPS
|
|
-
-
|
|
FP64
0.1 TFLOPS
-
|
|
-
-
|
|
-
-
-
|
|
Pixel Fillrate
20.592 GPixel/s
|
|
-
-
|
|
Texture Fillrate
51.48 GTexel/s
|
|
-
-
|
|
L1
-
-
16KB/CU
-
|
|
L2
512KB Shared
|
|
-
-
-
|
|
4GB
GDDR5
-
|
|
Bus Width
64Bit
|
|
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
56GB/s
|
|
-
-
-
-
-
-
-
-
-
|
|
TDP
50W
|
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
|
Max Resolution
5120x2880
|
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
3
|
|
Content Protection
HDCP 2.2
|
|
Model
VCE 3.4
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Model
UVD 6.3
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Direct X
12
Direct 3D
12_0
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
|
|
Shader Model
6.7
-
-
GFX
8
-
-
-
-
|
|
Not a Card
-
-
-
|
|
-
-
-
-
-
-
-
-
|
|
-
-
PCIe Version
3.0
PCIe Lanes
8
|
|
-
-
-
-
|
|
-
-
-
-
-
-
|
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