AMD Radeon R5 M315 vs AMD Radeon R5 M255
AMD Radeon R5 M315
AMD Radeon R5 M255
|
384 Shaders
2GB DDR3
970MHz
|
320 Shaders
2GB DDR3
940MHz
|
|
Peak AI Performance
740 GFLOPS
FP32
|
Peak AI Performance
600 GFLOPS
FP32
|
|
FP32
740 GFLOPS
|
FP32
600 GFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
|
|
TDP
15W
|
TDP
15W
|
Peak AI Performance
|
|
Radeon R5 M315 - 740 GFLOPS FP32
x1.23
Radeon R5 M255 - 600 GFLOPS FP32
x1
FP32
|
|
Radeon R5 M315 - 740 GFLOPS FP32
x1.23
Radeon R5 M255 - 600 GFLOPS FP32
x1
|
|
Radeon R5 M315 - 14.4GB/s
x1
Radeon R5 M255 - 16GB/s
x1.11
|
|
Radeon R5 M315 - 15W
x1
Radeon R5 M255 - 15W
x1
|
|
Radeon R5 M315 - GB6 OpenCL 3,780
x1
Radeon R5 M255 - GB6 OpenCL 4,710
x1.25
|
0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
GCN 3
|
Architecture
GCN 1
|
|
Family
Radeon R 300
|
Family
Radeon R 200
|
|
Codename
Topaz
Variant
Meso LE
|
Codename
Hainan
Variant
Jet Pro
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
5/5/2015
|
Release Date
6/11/2014
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
125 mm²
|
Die Size
56 mm²
|
|
Transistor Count
1.6 Billion
|
Transistor Count
690 Million
|
|
Transistor Density
12.40M/mm²
|
Transistor Density
12.32M/mm²
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
384 Shaders
|
Shading Units
320 Shaders
|
|
Texture Mapping Units
24 TMUs
|
Texture Mapping Units
20 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
8 ROPs
|
|
Compute Units
6 CUs
|
Compute Units
5 CUs
|
|
-
970MHz
|
925MHz Base
940MHz
|
|
Peak AI Performance
740 GFLOPS
FP32
|
Peak AI Performance
600 GFLOPS
FP32
|
|
FP32
740 GFLOPS
|
FP32
600 GFLOPS
|
|
FP64
50 GFLOPS
|
FP64
40 GFLOPS
|
|
Pixel Fillrate
7.76 GPixel/s
|
Pixel Fillrate
7.52 GPixel/s
|
|
Texture Fillrate
23.28 GTexel/s
|
Texture Fillrate
18.8 GTexel/s
|
|
L1
16KB/CU
|
L1
16KB/CU
|
|
L2
256KB Shared
|
L2
128KB Shared
|
|
2GB
DDR3
|
2GB
DDR3
|
|
Bus Width
64Bit
|
Bus Width
64Bit
|
|
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
14.4GB/s
|
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
|
|
TDP
15W
|
TDP
15W
|
|
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
|
Content Protection
HDCP 1.4
|
|
No Encoders
|
No Encoders
|
|
No Decoders
|
No Decoders
|
|
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
8
|
Shader Model
6.5
GFX
6
|
|
Not a Card
|
Not a Card
|
|
PCIe Version
3.0
PCIe Lanes
8
|
PCIe Version
3.0
PCIe Lanes
8
|
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