Mobility Radeon HD 4270 vs Mobility Radeon HD 4250
Mobility Radeon HD 4270
Mobility Radeon HD 4250
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40 Shaders
Shared Memory
590MHz
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40 Shaders
Shared Memory
500MHz
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FP32
0.05 TFLOPS
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FP32
0.04 TFLOPS
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-
-
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-
-
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Form Factor
iGPU
-
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Form Factor
iGPU
-
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TDP
Shared
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TDP
Shared
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-
-
-
-
-
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-
-
-
-
-
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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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Manufacturer
ATI
|
Manufacturer
ATI
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Chip Designer
ATI
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Chip Designer
ATI
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Architecture
TeraScale 1
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Architecture
TeraScale 1
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Family
Radeon HD 4000
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Family
Radeon HD 4000
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Codename
Koopa
RS880
Variant
RS880M
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Codename
Koopa
RS880
Variant
RS880M
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Market Segment
Laptop
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Market Segment
Laptop
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Release Date
5/1/2010
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Release Date
5/1/2010
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
55nm
-
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Fabrication Node
55nm
-
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Die Size
73 mm²
-
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Die Size
73 mm²
-
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Transistor Count
205 Million
-
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Transistor Count
205 Million
-
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Transistor Density
2.81M/mm²
-
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Transistor Density
2.81M/mm²
-
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Form
iGPU
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Form
iGPU
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Shading Units
40 Shaders
-
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Shading Units
40 Shaders
-
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Texture Mapping Units
4 TMUs
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Texture Mapping Units
4 TMUs
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Render Output Units
4 ROPs
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Render Output Units
4 ROPs
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-
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-
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-
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-
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-
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-
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-
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590MHz
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-
-
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500MHz
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-
-
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-
-
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-
-
-
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-
-
-
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-
-
-
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-
-
-
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-
-
-
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-
-
-
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FP32
0.05 TFLOPS
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FP32
0.04 TFLOPS
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-
-
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-
-
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-
-
-
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-
-
-
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-
-
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-
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-
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-
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Pixel Fillrate
2.36 GPixel/s
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Pixel Fillrate
2 GPixel/s
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-
-
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-
-
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Texture Fillrate
2.36 GTexel/s
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Texture Fillrate
2 GTexel/s
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-
-
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-
-
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L1
-
-
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Unknown
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L1
-
-
-
Unknown
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L2
32KB Shared
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L2
32KB Shared
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-
-
-
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-
-
-
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Shared Memory
-
-
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Shared Memory
-
-
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-
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-
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-
-
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-
-
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-
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-
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-
-
-
-
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TDP
Shared
|
TDP
Shared
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-
-
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-
-
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-
-
-
-
-
-
-
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No Ports
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No Ports
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Max Resolution
2560x1600
|
Max Resolution
2560x1600
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Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
-
-
|
Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
2
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Multi Monitor Support
2
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-
-
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-
-
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No Encoders
-
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No Encoders
-
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-
-
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-
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-
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-
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Model
UVD 2.0
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Model
UVD 2.0
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Codec
-
-
-
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VC-1
-
-
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AVC (H.264)
-
-
-
-
-
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Codec
-
-
-
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VC-1
-
-
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AVC (H.264)
-
-
-
-
-
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Direct X
10
Direct 3D
10_1
|
Direct X
10
Direct 3D
10_1
|
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OpenGL
3.3
OpenCL
1.1
-
-
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OpenGL
3.3
OpenCL
1.1
-
-
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Shader Model
4.1
-
-
GFX
3
-
-
-
-
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Shader Model
4.1
-
-
GFX
3
-
-
-
-
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Not a Card
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Not a Card
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