AMD Radeon RX M550X vs AMD Radeon RX M640
AMD Radeon RX M550X
AMD Radeon RX M640
|
640 Shaders
2GB GDDR5
1287MHz
|
640 Shaders
4GB GDDR5
1287MHz
|
|
Peak AI Performance
1.65 TFLOPS
FP16
|
Peak AI Performance
1.65 TFLOPS
FP16
|
|
FP32
1.65 TFLOPS
|
FP32
1.65 TFLOPS
|
|
FP16
1.65 TFLOPS
|
FP16
1.65 TFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
|
|
TDP
50W
|
TDP
50W
|
Peak AI Performance
|
|
Radeon RX M550X - 1.65 TFLOPS FP16
x1
Radeon RX M640 - 1.65 TFLOPS FP16
x1
FP32
|
|
Radeon RX M550X - 1.65 TFLOPS FP32
x1
Radeon RX M640 - 1.65 TFLOPS FP32
x1
FP16
|
|
Radeon RX M550X - 1.65 TFLOPS FP16
x1
Radeon RX M640 - 1.65 TFLOPS FP16
x1
|
|
Radeon RX M550X - 96GB/s
x1.71
Radeon RX M640 - 56GB/s
x1
|
|
Radeon RX M550X - 50W
x1
Radeon RX M640 - 50W
x1
|
0%
|
0%
|
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0%
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0%
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0%
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0%
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0%
|
0%
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0%
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0%
|
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0%
|
0%
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0%
|
0%
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0%
|
0%
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0%
|
0%
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Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
GCN 4
|
Architecture
GCN 4
|
|
Family
Radeon RX 500
|
Family
Radeon RX 600
|
|
Codename
Lexa
Polaris 23
Variant
Polaris 23 XTM
|
Codename
Lexa
Polaris 23
Variant
Polaris 23 XTM
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
4/11/2018
|
Release Date
8/13/2019
|
|
Foundry
GlobalFoundries
|
Foundry
GlobalFoundries
|
|
Fabrication Node
14LPP
|
Fabrication Node
14LPP
|
|
Die Size
103 mm²
|
Die Size
103 mm²
|
|
Transistor Count
2.2 Billion
|
Transistor Count
2.2 Billion
|
|
Transistor Density
21.36M/mm²
|
Transistor Density
21.36M/mm²
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
640 Shaders
|
Shading Units
640 Shaders
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
40 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
16 ROPs
|
|
Compute Units
10 CUs
|
Compute Units
10 CUs
|
|
1100MHz Base
1287MHz
|
1100MHz Base
1287MHz
|
|
Peak AI Performance
1.65 TFLOPS
FP16
|
Peak AI Performance
1.65 TFLOPS
FP16
|
|
FP16
1.65 TFLOPS
|
FP16
1.65 TFLOPS
|
|
FP32
1.65 TFLOPS
|
FP32
1.65 TFLOPS
|
|
FP64
100 GFLOPS
|
FP64
100 GFLOPS
|
|
Pixel Fillrate
20.592 GPixel/s
|
Pixel Fillrate
20.592 GPixel/s
|
|
Texture Fillrate
51.48 GTexel/s
|
Texture Fillrate
51.48 GTexel/s
|
|
L1
16KB/CU
|
L1
16KB/CU
|
|
L2
512KB Shared
|
L2
512KB Shared
|
|
2GB
GDDR5
|
4GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
64Bit
|
|
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
96GB/s
|
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
56GB/s
|
|
TDP
50W
|
TDP
50W
|
|
Max Resolution
5120x2880
|
Max Resolution
5120x2880
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
FreeSync
|
Variable Refresh Rate
FreeSync
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
3
|
Multi Monitor Support
3
|
|
Content Protection
HDCP 2.2
|
Content Protection
HDCP 2.2
|
|
Model
VCE 3.4
|
Model
VCE 3.4
|
|
Codec
AVC (H.264)
HEVC (H.265)
|
Codec
AVC (H.264)
HEVC (H.265)
|
|
Model
UVD 6.3
|
Model
UVD 6.3
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
AVC (H.264)
HEVC (H.265)
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
AVC (H.264)
HEVC (H.265)
|
|
Direct X
12
Direct 3D
12_0
|
Direct X
12
Direct 3D
12_0
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
|
|
Shader Model
6.7
GFX
8
|
Shader Model
6.7
GFX
8
|
|
Not a Card
|
Not a Card
|
|
PCIe Version
3.0
PCIe Lanes
8
|
PCIe Version
3.0
PCIe Lanes
8
|
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