AMD Radeon RX 550X 8CU vs AMD Radeon R7 450
AMD Radeon RX 550X 8CU
$79
AMD Radeon R7 450
|
512 Shaders
2GB GDDR5
1287MHz
|
512 Shaders
2GB GDDR5
1050MHz
|
|
Peak AI Performance
1.32 TFLOPS
FP16
|
Peak AI Performance
1.08 TFLOPS
FP32
|
|
FP32
1.32 TFLOPS
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FP32
1.08 TFLOPS
|
|
FP16
1.32 TFLOPS
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-
-
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
-
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TDP
50W
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TDP
65W
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-
-
-
-
-
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Power Connectors
1x 6-Pin
-
-
-
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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%
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GB5 CUDA N/A
0%
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GB5 CUDA N/A
0%
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GB5 Metal N/A
0%
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GB5 Metal N/A
0%
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GB5 Vulkan N/A
0%
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GB5 Vulkan N/A
0%
|
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OCT 2020.1 N/A
0%
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OCT 2020.1 N/A
0%
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OCT Metal N/A
0%
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OCT Metal N/A
0%
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Manufacturer
AMD
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Manufacturer
AMD
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Chip Designer
AMD
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Chip Designer
AMD
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Architecture
GCN 4
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Architecture
GCN 1
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Family
Radeon RX 500
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Family
Radeon R 400
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Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
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Codename
Cape Verde
-
Variant
Cape Verde Pro
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
4/11/2018
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Release Date
6/30/2016
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Foundry
GlobalFoundries
-
|
Foundry
TSMC
-
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Fabrication Node
14LPP
-
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Fabrication Node
28nm
-
|
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Die Size
103 mm²
-
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Die Size
123 mm²
-
|
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Transistor Count
2.2 Billion
-
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Transistor Count
1.5 Billion
-
|
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Transistor Density
21.36M/mm²
-
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Transistor Density
12.20M/mm²
-
|
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Form
PCIe Card
|
Form
PCIe Card
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Shading Units
512 Shaders
-
|
Shading Units
512 Shaders
-
|
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Texture Mapping Units
32 TMUs
|
Texture Mapping Units
32 TMUs
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Render Output Units
16 ROPs
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Render Output Units
16 ROPs
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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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Compute Units
8 CUs
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Compute Units
8 CUs
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-
-
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-
-
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-
-
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-
-
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-
-
1100MHz Base
1287MHz
|
-
-
-
1050MHz
|
|
Peak AI Performance
1.32 TFLOPS
FP16
|
Peak AI Performance
1.08 TFLOPS
FP32
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
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-
-
-
-
-
-
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FP16
1.32 TFLOPS
-
-
-
-
|
-
-
-
-
-
-
|
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FP32
1.32 TFLOPS
-
-
|
FP32
1.08 TFLOPS
-
-
|
|
FP64
80 GFLOPS
-
|
FP64
70 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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-
-
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-
-
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-
-
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Pixel Fillrate
20.592 GPixel/s
|
Pixel Fillrate
16.8 GPixel/s
|
|
-
-
|
-
-
|
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Texture Fillrate
41.184 GTexel/s
|
Texture Fillrate
33.6 GTexel/s
|
|
-
-
|
-
-
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L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
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L2
512KB Shared
|
L2
256KB Shared
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-
-
-
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-
-
-
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2GB
GDDR5
-
|
2GB
GDDR5
-
|
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Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
|
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-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
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TDP
50W
|
TDP
65W
|
|
-
-
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-
-
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-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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2x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Max Resolution
5120x2880
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Max Resolution
4096x2160
|
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Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
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Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
-
-
|
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
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Multi Monitor Support
3
|
Multi Monitor Support
3
|
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Content Protection
HDCP 2.2
|
-
-
|
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Model
VCE 3.4
|
Model
VCE 1.0
|
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
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Model
UVD 6.3
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Model
UVD 4.0
|
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Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
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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
|
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Shader Model
6.7
-
-
GFX
8
-
-
-
-
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Shader Model
6.5
-
-
GFX
6
-
-
-
-
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-
-
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1x Fan
|
-
-
-
1x Fan
|
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-
-
-
-
-
-
-
-
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Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
|
-
-
PCIe Version
3.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
-
-
-
-
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Height
110 mm (4.33 in)
Width
145 mm (5.71 in)
Depth
37 mm (1.46 in)
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