AMD Radeon HD 6750M Mac MXM vs ATI Mobility Radeon HD 4830
AMD Radeon HD 6750M Mac MXM
ATI Mobility Radeon HD 4830
|
480 Shaders
256MB GDDR5
598MHz
|
640 Shaders
512MB GDDR3
400MHz
|
|
Peak AI Performance
570 GFLOPS
FP32
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Peak AI Performance
510 GFLOPS
FP32
|
|
FP32
570 GFLOPS
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FP32
510 GFLOPS
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-
-
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-
-
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Form Factor
MXM-A
-
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Form Factor
MXM-A
-
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TDP
35W
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TDP
Unknown
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-
-
-
-
-
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-
-
-
-
-
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GB6 OpenCL N/A
0%
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GB6 OpenCL N/A
0%
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GB6 Metal N/A
0%
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GB6 Metal N/A
0%
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GB6 Vulkan N/A
0%
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GB6 Vulkan N/A
0%
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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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Peak AI
Performance
570 GFLOPS
FP32
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Peak AI
Performance
510 GFLOPS
FP32
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FP32
570 GFLOPS
-
-
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FP32
510 GFLOPS
-
-
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-
-
-
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-
-
-
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Pixel
Fillrate
4.784 GPixel/s
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Pixel
Fillrate
6.4 GPixel/s
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-
-
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-
-
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Texture
Fillrate
14.352 GTexel/s
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Texture
Fillrate
12.8 GTexel/s
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Manufacturer
AMD
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Manufacturer
ATI
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Chip Designer
AMD
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Chip Designer
ATI
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Architecture
TeraScale 2
|
Architecture
TeraScale 1
|
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Family
Radeon HD 6000
|
Family
Radeon HD 4000
|
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Codename
Turks
RV930
Variant
Whistler Pro
|
Codename
Walden
RV740
Variant
M97
|
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Market Segment
Laptop
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Market Segment
Laptop
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Release Date
1/4/2011
|
Release Date
3/3/2009
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
40nm
-
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Fabrication Node
40nm
-
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Die Size
118 mm²
-
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Die Size
137 mm²
-
|
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Transistor Count
716 Million
-
|
Transistor Count
826 Million
-
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Transistor Density
6.07M/mm²
-
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Transistor Density
6.03M/mm²
-
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Form
MXM-A
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Form
MXM-A
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Shading Units
480 Shaders
-
|
Shading Units
640 Shaders
-
|
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Texture Mapping Units
24 TMUs
|
Texture Mapping Units
32 TMUs
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Render Output Units
8 ROPs
|
Render Output Units
16 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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Compute Units
6 CUs
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Compute Units
8 CUs
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-
-
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-
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-
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-
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598MHz
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-
-
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400MHz
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-
-
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-
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L1
-
-
8KB/CU
-
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L1
-
-
16KB/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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256MB
GDDR5
-
|
512MB
GDDR3
-
|
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Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
794MHz
Transfer Rate
3.2GT/s
Bandwidth
50.8GB/s
|
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
25.6GB/s
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TDP
35W
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TDP
Unknown
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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
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Max Resolution
2560x1600
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Max Resolution Refresh Rate
60Hz
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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
|
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 3.0
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Model
UVD 2.0
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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-
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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
11
Direct 3D
11_0
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Direct X
10
Direct 3D
10_1
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OpenGL
4.5
OpenCL
1.2
-
-
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OpenGL
3.3
OpenCL
1.1
-
-
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Shader Model
5.0
-
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GFX
4
-
-
-
-
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Shader Model
4.1
-
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GFX
3
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Not a Card
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Not a Card
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PCIe Version
2.1
PCIe Lanes
16
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-
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PCIe Version
2.0
PCIe Lanes
16
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