AMD Radeon R5 M315 vs AMD Radeon R5 M420
AMD Radeon R5 M315
AMD Radeon R5 M420
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384 Shaders
2GB DDR3
970MHz
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320 Shaders
2GB DDR3
855MHz
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Peak AI Performance
740 GFLOPS
FP32
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Peak AI Performance
550 GFLOPS
FP32
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FP32
740 GFLOPS
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FP32
550 GFLOPS
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-
-
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-
-
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Form Factor
Soldered
-
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Form Factor
Soldered
-
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TDP
15W
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TDP
20W
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-
-
-
-
-
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-
-
-
-
-
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GB6 Metal N/A
0%
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GB6 Metal 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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Peak AI
Performance
740 GFLOPS
FP32
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Peak AI
Performance
550 GFLOPS
FP32
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FP32
740 GFLOPS
-
-
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FP32
550 GFLOPS
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-
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FP64
50 GFLOPS
-
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FP64
30 GFLOPS
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Pixel
Fillrate
7.76 GPixel/s
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Pixel
Fillrate
6.84 GPixel/s
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-
-
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-
-
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Texture
Fillrate
23.28 GTexel/s
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Texture
Fillrate
17.1 GTexel/s
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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 3
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Architecture
GCN 1
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Family
Radeon R 300
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Family
Radeon R 400
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Codename
Topaz
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Variant
Meso LE
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Codename
Hainan
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Variant
Jet Pro
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Market Segment
Laptop
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Market Segment
Laptop
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Release Date
5/5/2015
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Release Date
5/15/2016
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
28nm
-
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Fabrication Node
28nm
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Die Size
125 mm²
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Die Size
56 mm²
-
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Transistor Count
1.6 Billion
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Transistor Count
690 Million
-
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Transistor Density
12.40M/mm²
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Transistor Density
12.32M/mm²
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Form
Soldered
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Form
Soldered
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Shading Units
384 Shaders
-
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Shading Units
320 Shaders
-
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Texture Mapping Units
24 TMUs
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Texture Mapping Units
20 TMUs
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Render Output Units
8 ROPs
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Render Output Units
8 ROPs
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-
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-
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Compute Units
6 CUs
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Compute Units
5 CUs
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-
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-
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-
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970MHz
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-
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780MHz Base
855MHz
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-
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-
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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
256KB Shared
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L2
128KB Shared
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-
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2GB
DDR3
-
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2GB
DDR3
-
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Bus Width
64Bit
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Bus Width
64Bit
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Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
14.4GB/s
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Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
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TDP
15W
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TDP
20W
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No Ports
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No Ports
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Max Resolution
4096x2160
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Max Resolution
4096x2160
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Max Resolution Refresh Rate
60Hz
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
FreeSync
-
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Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
3
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Multi Monitor Support
3
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Content Protection
HDCP 1.4
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Content Protection
HDCP 1.4
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No Encoders
-
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No Encoders
-
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No Decoders
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No Decoders
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Direct X
12
Direct 3D
12_0
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Direct X
12
Direct 3D
11_1
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
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Shader Model
6.5
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GFX
8
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Shader Model
6.5
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GFX
6
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Not a Card
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Not a Card
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PCIe Version
3.0
PCIe Lanes
8
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PCIe Version
3.0
PCIe Lanes
8
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