AMD Radeon RX 550X 8CU vs AMD Radeon RX Vega 56
AMD Radeon RX 550X 8CU
$79
AMD Radeon RX Vega 56
$399
|
512 Shaders
2GB GDDR5
1287MHz
|
3584 Shaders
8GB HBM2
1471MHz
|
|
FP32
1.32 TFLOPS
|
FP32
10.54 TFLOPS
|
|
FP16
1.32 TFLOPS
|
FP16
21.09 TFLOPS
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
50W
|
TDP
210W
|
|
-
-
-
-
-
|
Power Connectors
-
2x 8-Pin
-
-
|
|
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 5
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|
Family
Radeon RX 500
|
Family
Radeon RX Vega
|
|
Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
|
Codename
Greenland
Vega 10
Variant
Vega 10 XL
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
4/11/2018
|
Release Date
8/28/2017
|
|
Foundry
GlobalFoundries
-
|
Foundry
GlobalFoundries
-
|
|
Fabrication Node
14LPP
-
|
Fabrication Node
14LPP
-
|
|
Die Size
103 mm²
-
|
Die Size
486 mm²
-
|
|
Transistor Count
2.2 Billion
-
|
Transistor Count
12.5 Billion
-
|
|
Transistor Density
21.36M/mm²
-
|
Transistor Density
25.72M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
512 Shaders
-
|
Shading Units
3584 Shaders
-
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
224 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
64 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
8 CUs
|
Compute Units
56 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
1100MHz Base
1287MHz
|
-
-
1156MHz Base
1471MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
FP16
1.32 TFLOPS
-
|
FP16
21.09 TFLOPS
-
|
|
-
-
-
|
-
-
-
|
|
FP32
1.32 TFLOPS
|
FP32
10.54 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.08 TFLOPS
-
|
FP64
0.66 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
20.592 GPixel/s
|
Pixel Fillrate
94.144 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
41.184 GTexel/s
|
Texture Fillrate
329.504 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
512KB Shared
|
L2
4MB Shared
|
|
-
-
-
|
-
-
-
|
|
2GB
GDDR5
-
|
8GB
HBM2
-
|
|
Bus Width
128Bit
|
Bus Width
2048Bit
|
|
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
|
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
409.6GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
50W
|
TDP
210W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
|
|
Max Resolution
5120x2880
|
Max Resolution
7680x4320
|
|
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 4.0
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Model
UVD 6.3
|
Model
UVD 7.0
|
|
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_1
|
|
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
9
-
-
-
-
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
-
-
-
-
-
-
-
-
|
Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
|
|
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
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
|
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