Radeon RX 560DX vs Radeon RX 455

Radeon RX 560DX
Radeon RX 455
896 Shaders
4GB GDDR5
1175MHz
768 Shaders
2GB GDDR5
1050MHz
FP32
2.11 TFLOPS
FP32
1.61 TFLOPS
FP16
2.11 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
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TDP
65W
TDP
100W
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Power Connectors
1x 6-Pin
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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 2
Family
Radeon RX 500
Family
Radeon R 400
Codename
Baffin
Polaris 21
Variant
Polaris 21 XL
Codename
Bonaire
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Variant
Tobago Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/11/2018
Release Date
6/30/2016
Foundry
GlobalFoundries
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Foundry
TSMC
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Fabrication Node
14LPP
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Fabrication Node
28nm
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Die Size
123 mm²
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Die Size
160 mm²
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Transistor Count
3 Billion
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Transistor Count
2.1 Billion
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Transistor Density
24.39M/mm²
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Transistor Density
13.00M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
896 Shaders
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Shading Units
768 Shaders
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Texture Mapping Units
56 TMUs
Texture Mapping Units
48 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
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Compute Units
14 CUs
Compute Units
12 CUs
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1090MHz Base
1175MHz
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1050MHz
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FP16
2.11 TFLOPS
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FP32
2.11 TFLOPS
FP32
1.61 TFLOPS
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FP64
0.13 TFLOPS
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FP64
0.1 TFLOPS
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Pixel Fillrate
18.8 GPixel/s
Pixel Fillrate
16.8 GPixel/s
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Texture Fillrate
65.8 GTexel/s
Texture Fillrate
50.4 GTexel/s
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L1
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16KB/CU
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L1
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16KB/CU
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L2
1MB Shared
L2
256KB Shared
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4GB
GDDR5
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2GB
GDDR5
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Bus Width
128Bit
Bus Width
128Bit
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
96GB/s
Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
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TDP
65W
TDP
100W
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1x DVI-D Dual-Link
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1x DisplayPort 1.4
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1x HDMI 2.0
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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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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
-
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 1.4
Model
VCE 3.4
Model
VCE 2.0
Codec
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AVC (H.264)
HEVC (H.265)
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Codec
-
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AVC (H.264)
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Model
UVD 6.3
Model
UVD 4.2
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
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AVC (H.264)
HEVC (H.265)
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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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
1.2
Shader Model
6.7
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GFX
8
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Shader Model
6.5
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GFX
7
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2x Fans
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1x Fan
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Power Connectors
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1x 6-Pin
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
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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
170 mm (6.69 in)
Depth
37 mm (1.46 in)
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Change Results