Radeon RX 550 8CU vs Radeon RX 550X 8CU

Radeon RX 550 8CU
Radeon RX 550X 8CU
512 Shaders
2GB GDDR5
1183MHz
512 Shaders
2GB GDDR5
1287MHz
FP32
1.21 TFLOPS
FP32
1.32 TFLOPS
FP16
1.21 TFLOPS
FP16
1.32 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
50W
TDP
50W
-
-
-
-
-
-
-
-
-
-
GB5 OpenCL - N/A
0%
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%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
GCN 4
Architecture
GCN 4
Family
Radeon RX 500
Family
Radeon RX 500
Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/20/2017
Release Date
4/11/2018
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
PCIe Card
Form
PCIe Card
Shading Units
512 Shaders
-
Shading Units
512 Shaders
-
Texture Mapping Units
32 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
-
-
-
-
-
-
-
-
-
-
-
-
Compute Units
8 CUs
Compute Units
8 CUs
-
-
-
-
-
-
-
-
-
-
1100MHz Base
1183MHz
-
-
1100MHz Base
1287MHz
-
-
-
-
-
-
-
-
-
-
FP16
1.21 TFLOPS
-
FP16
1.32 TFLOPS
-
-
-
-
-
-
-
FP32
1.21 TFLOPS
FP32
1.32 TFLOPS
-
-
-
-
FP64
0.08 TFLOPS
-
FP64
0.08 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
18.928 GPixel/s
Pixel Fillrate
20.592 GPixel/s
-
-
-
-
Texture Fillrate
37.856 GTexel/s
Texture Fillrate
41.184 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
16KB/CU
-
L2
512KB Shared
L2
512KB Shared
-
-
-
-
-
-
2GB
GDDR5
-
2GB
GDDR5
-
Bus Width
128Bit
Bus Width
128Bit
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
50W
TDP
50W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
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
-
-
-
-
-
-
-
1x Fan
-
-
-
1x Fan
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
Multi GPU Support
Supported
Type
CrossFire XDMA
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)
Height
110 mm (4.33 in)
Width
145 mm (5.71 in)
Depth
37 mm (1.46 in)
Change Results