AMD Radeon 520 vs AMD Radeon RX 455
AMD Radeon 520
AMD Radeon RX 455
|
320 Shaders
1GB GDDR5
1030MHz
|
768 Shaders
2GB GDDR5
1050MHz
|
|
FP32
0.66 TFLOPS
|
FP32
1.61 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
PCIe Card
1.0-Slots
|
Form Factor
PCIe Card
-
|
|
TDP
Unknown
|
TDP
100W
|
|
-
-
-
-
-
|
Power Connectors
1x 6-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 1
|
Architecture
GCN 2
|
|
Family
Radeon RX 500
|
Family
Radeon R 400
|
|
Codename
Hainan
-
Variant
Banks Pro
|
Codename
Bonaire
-
Variant
Tobago Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
4/18/2017
|
Release Date
6/30/2016
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
28nm
-
|
Fabrication Node
28nm
-
|
|
Die Size
56 mm²
-
|
Die Size
160 mm²
-
|
|
Transistor Count
690 Million
-
|
Transistor Count
2.1 Billion
-
|
|
Transistor Density
12.32M/mm²
-
|
Transistor Density
13.00M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
320 Shaders
-
|
Shading Units
768 Shaders
-
|
|
Texture Mapping Units
20 TMUs
|
Texture Mapping Units
48 TMUs
|
|
Render Output Units
4 ROPs
|
Render Output Units
16 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
5 CUs
|
Compute Units
12 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
1030MHz
|
-
-
-
1050MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
0.66 TFLOPS
|
FP32
1.61 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.04 TFLOPS
-
|
FP64
0.1 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
4.12 GPixel/s
|
Pixel Fillrate
16.8 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
20.6 GTexel/s
|
Texture Fillrate
50.4 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
128KB Shared
|
L2
256KB Shared
|
|
-
-
-
|
-
-
-
|
|
1GB
GDDR5
-
|
2GB
GDDR5
-
|
|
Bus Width
64Bit
|
Bus Width
128Bit
|
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
36GB/s
|
Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
Unknown
|
TDP
100W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.4
-
-
-
-
|
|
Max Resolution
4096x2160
|
Max Resolution
4096x2160
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
-
-
|
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 1.4
|
Content Protection
HDCP 1.4
|
|
No Encoders
-
|
Model
VCE 2.0
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
No Decoders
|
Model
UVD 4.2
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
12
Direct 3D
11_1
|
Direct X
12
Direct 3D
12_0
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
|
Shader Model
6.5
-
-
GFX
7
-
-
-
-
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
-
-
-
-
-
-
-
-
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
Slots Required
1.0
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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