Radeon HD 7640G vs Radeon HD 8450G
Radeon HD 7640G
Radeon HD 8450G
|
256 Shaders
Shared Memory
685MHz
|
192 Shaders
Shared Memory
720MHz
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|
FP32
0.35 TFLOPS
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FP32
0.28 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
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
TeraScale 3
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Architecture
TeraScale 3
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Family
Radeon HD 7000
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Family
Radeon HD 8000
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Codename
Devastator
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-
-
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Codename
Scrapper
-
-
-
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Market Segment
Laptop
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Market Segment
Laptop
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Release Date
5/1/2012
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Release Date
5/23/2013
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Form
iGPU
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Form
iGPU
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Shading Units
256 Shaders
-
|
Shading Units
192 Shaders
-
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Texture Mapping Units
16 TMUs
|
Texture Mapping Units
12 TMUs
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Render Output Units
8 ROPs
|
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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Compute Units
4 CUs
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Compute Units
3 CUs
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-
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-
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-
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-
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496MHz Base
685MHz
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-
-
533MHz Base
720MHz
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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
0.35 TFLOPS
|
FP32
0.28 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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Pixel Fillrate
5.48 GPixel/s
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Pixel Fillrate
2.88 GPixel/s
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-
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-
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Texture Fillrate
10.96 GTexel/s
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Texture Fillrate
8.64 GTexel/s
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-
-
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-
-
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L1
-
-
8KB/CU
-
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L1
-
-
8KB/CU
-
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L2
256KB Shared
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L2
256KB Shared
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-
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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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TDP
Shared
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TDP
Shared
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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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Model
UVD 3.1
|
Model
UVD 3.1
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Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
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Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
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AVC (H.264)
-
-
-
-
-
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Direct X
11
Direct 3D
11_0
|
Direct X
11
Direct 3D
11_0
|
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OpenGL
4.5
OpenCL
1.2
-
-
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OpenGL
4.5
OpenCL
1.2
-
-
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Shader Model
5.0
-
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GFX
5
-
-
-
-
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Shader Model
5.0
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GFX
5
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Not a Card
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Not a Card
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