AMD Radeon VII vs AMD Radeon RX 550X 8CU

AMD Radeon VII $699
AMD Radeon RX 550X 8CU $79
3840 Shaders
16GB HBM2
1800MHz
512 Shaders
2GB GDDR5
1287MHz
FP32
13.82 TFLOPS
FP32
1.32 TFLOPS
FP16
27.65 TFLOPS
FP16
1.32 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
300W
TDP
50W
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 5
Architecture
GCN 4
Family
Radeon RX Vega
Family
Radeon RX 500
Codename
Moonshot
Vega 20
Variant
Vega 20 XT
Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
2/7/2019
Release Date
4/11/2018
Foundry
TSMC
-
Foundry
GlobalFoundries
-
Fabrication Node
N7
-
Fabrication Node
14LPP
-
Die Size
331 mm²
-
Die Size
103 mm²
-
Transistor Count
13.2 Billion
-
Transistor Count
2.2 Billion
-
Transistor Density
39.97M/mm²
-
Transistor Density
21.36M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
3840 Shaders
-
Shading Units
512 Shaders
-
Texture Mapping Units
240 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
64 ROPs
Render Output Units
16 ROPs
-
-
-
-
-
-
-
-
-
-
-
-
Compute Units
60 CUs
Compute Units
8 CUs
-
-
-
-
-
-
-
-
-
-
1400MHz Base
1800MHz
-
-
1100MHz Base
1287MHz
-
-
-
-
-
-
-
-
-
-
FP16
27.65 TFLOPS
-
FP16
1.32 TFLOPS
-
-
-
-
-
-
-
FP32
13.82 TFLOPS
FP32
1.32 TFLOPS
-
-
-
-
FP64
3.46 TFLOPS
-
FP64
0.08 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
115.2 GPixel/s
Pixel Fillrate
20.592 GPixel/s
-
-
-
-
Texture Fillrate
432 GTexel/s
Texture Fillrate
41.184 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
16KB/CU
-
L2
4MB Shared
L2
512KB Shared
-
-
-
-
-
-
16GB
HBM2
-
2GB
GDDR5
-
Bus Width
4096Bit
Bus Width
128Bit
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
1024GB/s
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
300W
TDP
50W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
Max Resolution
7680x4320
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 4.1
Model
VCE 3.4
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
UVD 7.2
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_1
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
9
-
-
-
-
Shader Model
6.7
-
-
GFX
8
-
-
-
-
-
-
-
3x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
-
-
-
-
-
-
-
-
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
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
125 mm (4.92 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
Height
110 mm (4.33 in)
Width
145 mm (5.71 in)
Depth
37 mm (1.46 in)
Change Comparison