AMD Radeon HD 7640G vs AMD Radeon HD 8470D
AMD Radeon HD 7640G
AMD Radeon HD 8470D
|
256 Shaders
Shared Memory
685MHz
|
192 Shaders
Shared Memory
800MHz
|
|
Peak Performance
350 GFLOPS
FP32
|
Peak Performance
310 GFLOPS
FP32
|
|
FP32
350 GFLOPS
|
FP32
310 GFLOPS
|
|
Form Factor
iGPU
|
Form Factor
iGPU
|
|
TDP
Shared
|
TDP
Shared
|
Peak Performance
|
|
Radeon HD 7640G - 350 GFLOPS FP32
x1.13
Radeon HD 8470D - 310 GFLOPS FP32
x1
FP32
|
|
Radeon HD 7640G - 350 GFLOPS FP32
x1.13
Radeon HD 8470D - 310 GFLOPS FP32
x1
|
|
Radeon HD 7640G - GB6 OpenCL 1,205
x1.12
Radeon HD 8470D - GB6 OpenCL 1,080
x1
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
TeraScale 3
|
Architecture
TeraScale 3
|
|
Family
Radeon HD 7000
|
Family
Radeon HD 8000
|
|
Codename
Devastator
|
Codename
Scrapper
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
5/1/2012
|
Release Date
7/29/2013
|
|
Form
iGPU
|
Form
iGPU
|
|
Shading Units
256 Shaders
|
Shading Units
192 Shaders
|
|
Texture Mapping Units
16 TMUs
|
Texture Mapping Units
12 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
4 ROPs
|
|
Compute Units
4 CUs
|
Compute Units
3 CUs
|
|
496MHz Base
685MHz
|
-
800MHz
|
|
Peak Performance
350 GFLOPS
FP32
|
Peak Performance
310 GFLOPS
FP32
|
|
FP32
350 GFLOPS
|
FP32
310 GFLOPS
|
|
Pixel Fillrate
5.48 GPixel/s
|
Pixel Fillrate
3.2 GPixel/s
|
|
Texture Fillrate
10.96 GTexel/s
|
Texture Fillrate
9.6 GTexel/s
|
|
L1
8KB/CU
|
L1
8KB/CU
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
Shared Memory
|
Shared Memory
|
|
TDP
Shared
|
TDP
Shared
|
|
Max Resolution
2560x1600
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
|
Variable Refresh Rate
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
|
No Encoders
|
No Encoders
|
|
Model
UVD 3.1
|
Model
UVD 3.1
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
|
Direct X
11
Direct 3D
11_0
|
Direct X
11
Direct 3D
11_0
|
|
OpenGL
4.5
OpenCL
1.2
|
OpenGL
4.5
OpenCL
1.2
|
|
Shader Model
5.0
GFX
5
|
Shader Model
5.0
GFX
5
|
|
Not a Card
|
Not a Card
|
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