ATI Radeon HD 4670 Mac vs ATI Radeon HD 2400 XT Mac MXM
ATI Radeon HD 4670 Mac
ATI Radeon HD 2400 XT Mac MXM
|
320 Shaders
512MB GDDR3
680MHz
|
40 Shaders
128MB GDDR3
650MHz
|
|
Peak AI Performance
440 GFLOPS
FP32
|
Peak AI Performance
50 GFLOPS
FP32
|
|
FP32
440 GFLOPS
|
FP32
50 GFLOPS
|
|
Form Factor
MXM-A
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Form Factor
MXM-II
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TDP
35W
|
TDP
Unknown
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Peak AI Performance
|
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Radeon HD 4670 Mac - 440 GFLOPS FP32
x8.8
Radeon HD 2400 XT Mac MXM - 50 GFLOPS FP32
x1
FP32
|
|
Radeon HD 4670 Mac - 440 GFLOPS FP32
x8.8
Radeon HD 2400 XT Mac MXM - 50 GFLOPS FP32
x1
|
|
Radeon HD 4670 Mac - 25.3GB/s
x1.98
Radeon HD 2400 XT Mac MXM - 12.8GB/s
x1
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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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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
ATI
|
Manufacturer
ATI
|
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Chip Designer
ATI
|
Chip Designer
ATI
|
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Architecture
TeraScale 1
|
Architecture
TeraScale 1
|
|
Family
Radeon HD 4000
|
Family
Radeon HD 2000
|
|
Codename
Mario
RV730
Variant
M96 XT
|
Codename
Laka
RV610
Variant
M74M
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/9/2009
|
Release Date
6/28/2007
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
55nm
|
Fabrication Node
65nm
|
|
Die Size
146 mm²
|
Die Size
85 mm²
|
|
Transistor Count
514 Million
|
Transistor Count
180 Million
|
|
Transistor Density
3.52M/mm²
|
Transistor Density
2.12M/mm²
|
|
Form
MXM-A
|
Form
MXM-II
|
|
Shading Units
320 Shaders
|
Shading Units
40 Shaders
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
4 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
4 ROPs
|
|
Compute Units
4 CUs
|
Compute Units
2 CUs
|
|
680MHz
|
650MHz
|
|
Peak AI Performance
440 GFLOPS
FP32
|
Peak AI Performance
50 GFLOPS
FP32
|
|
FP32
440 GFLOPS
|
FP32
50 GFLOPS
|
|
Pixel Fillrate
5.44 GPixel/s
|
Pixel Fillrate
2.6 GPixel/s
|
|
Texture Fillrate
21.76 GTexel/s
|
Texture Fillrate
2.6 GTexel/s
|
|
L1
16KB/CU
-
|
L1
-
Unknown
|
|
L2
256KB Shared
|
L2
32KB Shared
|
|
512MB
GDDR3
|
128MB
GDDR3
|
|
Bus Width
128Bit
|
Bus Width
64Bit
|
|
Clock
790MHz
Transfer Rate
1.6GT/s
Bandwidth
25.3GB/s
|
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
12.8GB/s
|
|
TDP
35W
|
TDP
Unknown
|
|
Max Resolution
2560x1600
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
|
Variable Refresh Rate
|
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
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No Encoders
|
No Encoders
|
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Model
UVD 2.0
|
Model
UVD 1.0
|
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Codec
VC-1
AVC (H.264)
|
Codec
VC-1
AVC (H.264)
|
|
Direct X
10
Direct 3D
10_1
|
Direct X
10
Direct 3D
10_0
|
|
OpenGL
3.3
OpenCL
1.1
|
OpenGL
3.3
OpenCL
1.1
|
|
Shader Model
4.1
GFX
3
|
Shader Model
4.1
GFX
3
|
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Not a Card
|
Not a Card
|
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PCIe Version
2.0
PCIe Lanes
16
|
PCIe Version
1.0
PCIe Lanes
16
|
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