Radeon R5 M255 vs Radeon R5 M315
Radeon R5 M255
Radeon R5 M315
|
320 Shaders
2GB DDR3
940MHz
|
384 Shaders
2GB DDR3
970MHz
|
|
FP32
0.6 TFLOPS
|
FP32
0.74 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
Soldered
-
|
Form Factor
Soldered
-
|
|
TDP
15W
|
TDP
15W
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
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 3
|
|
Family
Radeon R 200
|
Family
Radeon R 300
|
|
Codename
Hainan
-
Variant
Jet Pro
|
Codename
Topaz
-
Variant
Meso LE
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
6/11/2014
|
Release Date
5/5/2015
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
28nm
-
|
Fabrication Node
28nm
-
|
|
Die Size
56 mm²
-
|
Die Size
125 mm²
-
|
|
Transistor Count
690 Million
-
|
Transistor Count
1.6 Billion
-
|
|
Transistor Density
12.32M/mm²
-
|
Transistor Density
12.40M/mm²
-
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
320 Shaders
-
|
Shading Units
384 Shaders
-
|
|
Texture Mapping Units
20 TMUs
|
Texture Mapping Units
24 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
8 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
5 CUs
|
Compute Units
6 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
925MHz Base
940MHz
|
-
-
-
970MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
0.6 TFLOPS
|
FP32
0.74 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.04 TFLOPS
-
|
FP64
0.05 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
Pixel Fillrate
7.52 GPixel/s
|
Pixel Fillrate
7.76 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
18.8 GTexel/s
|
Texture Fillrate
23.28 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
128KB Shared
|
L2
256KB Shared
|
|
-
-
-
|
-
-
-
|
|
2GB
DDR3
-
|
2GB
DDR3
-
|
|
Bus Width
64Bit
|
Bus Width
64Bit
|
|
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
|
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
14.4GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
15W
|
TDP
15W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
|
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
-
|
No Encoders
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
No Decoders
|
No Decoders
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
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
8
-
-
-
-
|
|
Not a Card
-
-
-
|
Not a Card
-
-
-
|
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
|
-
-
PCIe Version
3.0
PCIe Lanes
8
|
-
-
PCIe Version
3.0
PCIe Lanes
8
|
|
-
-
-
-
|
-
-
-
-
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-
-
-
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-
-
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