AMD Radeon RX 550 8CU vs AMD Radeon 520
AMD Radeon RX 550 8CU
$79
AMD Radeon 520
|
512 Shaders
2GB GDDR5
1183MHz
|
320 Shaders
1GB GDDR5
1030MHz
|
|
Peak AI Performance
1.21 TFLOPS
FP16
|
Peak AI Performance
660 GFLOPS
FP32
|
|
FP32
1.21 TFLOPS
|
FP32
660 GFLOPS
|
|
FP16
1.21 TFLOPS
|
-
-
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
1.0-Slots
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TDP
50W
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TDP
Unknown
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-
-
-
-
-
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-
-
-
-
-
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GB6 OpenCL N/A
0%
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GB6 Metal N/A
0%
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GB6 Metal N/A
0%
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GB6 Vulkan N/A
0%
|
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GB5 OpenCL N/A
0%
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GB5 OpenCL N/A
0%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal N/A
0%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan N/A
0%
|
GB5 Vulkan N/A
0%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal N/A
0%
|
OCT Metal N/A
0%
|
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Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
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Architecture
GCN 4
|
Architecture
GCN 1
|
|
Family
Radeon RX 500
|
Family
Radeon RX 500
|
|
Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
|
Codename
Hainan
-
Variant
Banks Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
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|
Release Date
4/20/2017
|
Release Date
4/18/2017
|
|
Foundry
GlobalFoundries
-
|
Foundry
TSMC
-
|
|
Fabrication Node
14LPP
-
|
Fabrication Node
28nm
-
|
|
Die Size
103 mm²
-
|
Die Size
56 mm²
-
|
|
Transistor Count
2.2 Billion
-
|
Transistor Count
690 Million
-
|
|
Transistor Density
21.36M/mm²
-
|
Transistor Density
12.32M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
512 Shaders
-
|
Shading Units
320 Shaders
-
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
20 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
4 ROPs
|
|
-
-
|
-
-
|
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-
-
|
-
-
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-
-
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-
-
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Compute Units
8 CUs
|
Compute Units
5 CUs
|
|
-
-
|
-
-
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-
-
|
-
-
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-
-
1100MHz Base
1183MHz
|
-
-
-
1030MHz
|
|
Peak AI Performance
1.21 TFLOPS
FP16
|
Peak AI Performance
660 GFLOPS
FP32
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
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FP16
1.21 TFLOPS
-
-
-
-
|
-
-
-
-
-
-
|
|
FP32
1.21 TFLOPS
-
-
|
FP32
660 GFLOPS
-
-
|
|
FP64
80 GFLOPS
-
|
FP64
40 GFLOPS
-
|
|
-
-
-
-
|
-
-
-
-
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-
-
-
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-
-
-
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-
-
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-
-
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-
-
-
-
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-
-
-
-
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-
-
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-
-
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-
-
|
-
-
|
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Pixel Fillrate
18.928 GPixel/s
|
Pixel Fillrate
4.12 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
37.856 GTexel/s
|
Texture Fillrate
20.6 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
512KB Shared
|
L2
128KB Shared
|
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-
-
-
|
-
-
-
|
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2GB
GDDR5
-
|
1GB
GDDR5
-
|
|
Bus Width
128Bit
|
Bus Width
64Bit
|
|
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
36GB/s
|
|
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
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TDP
50W
|
TDP
Unknown
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
|
-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Max Resolution
5120x2880
|
Max Resolution
4096x2160
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
-
-
|
|
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 1.4
|
|
Model
VCE 3.4
|
No Encoders
-
|
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
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Model
UVD 6.3
|
No Decoders
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
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Direct X
12
Direct 3D
12_0
|
Direct X
12
Direct 3D
11_1
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
|
Shader Model
6.7
-
-
GFX
8
-
-
-
-
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
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-
-
-
1x Fan
|
-
-
-
1x Fan
|
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-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
|
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
8
|
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
-
-
-
-
|
|
Height
110 mm (4.33 in)
Width
145 mm (5.71 in)
Depth
37 mm (1.46 in)
|
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