AMD Radeon RX 455 vs AMD Radeon R5 340X
AMD Radeon RX 455
AMD Radeon R5 340X
|
768 Shaders
2GB GDDR5
1050MHz
|
384 Shaders
2GB DDR3
1050MHz
|
|
FP32
1.61 TFLOPS
|
FP32
0.81 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
PCIe Card
-
|
Form Factor
PCIe Card
1.0-Slots
|
|
TDP
100W
|
TDP
30W
|
|
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 2
|
Architecture
GCN 1
|
|
Family
Radeon R 400
|
Family
Radeon R 300
|
|
Codename
Bonaire
-
Variant
Tobago Pro
|
Codename
Oland
-
Variant
Oland XT
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
6/30/2016
|
Release Date
5/5/2015
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
28nm
-
|
Fabrication Node
28nm
-
|
|
Die Size
160 mm²
-
|
Die Size
90 mm²
-
|
|
Transistor Count
2.1 Billion
-
|
Transistor Count
1 Billion
-
|
|
Transistor Density
13.00M/mm²
-
|
Transistor Density
11.56M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
768 Shaders
-
|
Shading Units
384 Shaders
-
|
|
Texture Mapping Units
48 TMUs
|
Texture Mapping Units
24 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
8 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
12 CUs
|
Compute Units
6 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
1050MHz
|
-
-
-
1050MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
1.61 TFLOPS
|
FP32
0.81 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.1 TFLOPS
-
|
FP64
0.05 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
16.8 GPixel/s
|
Pixel Fillrate
8.4 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
50.4 GTexel/s
|
Texture Fillrate
25.2 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
-
-
-
|
-
-
-
|
|
2GB
GDDR5
-
|
2GB
DDR3
-
|
|
Bus Width
128Bit
|
Bus Width
64Bit
|
|
Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
|
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
100W
|
TDP
30W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.4
-
-
-
-
|
-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Max Resolution
4096x2160
|
Max Resolution
4096x2160
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
-
-
|
|
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
|
-
-
|
|
Model
VCE 2.0
|
Model
VCE 1.0
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Model
UVD 4.2
|
Model
UVD 4.0
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
12
Direct 3D
12_0
|
Direct X
12
Direct 3D
11_1
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
|
Shader Model
6.5
-
-
GFX
7
-
-
-
-
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
-
-
-
-
-
-
-
-
|
|
-
-
PCIe Version
3.0
PCIe Lanes
16
|
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
-
-
-
-
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-
-
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