AMD Radeon HD 6770M Mac vs NVIDIA GeForce4 Go 420
AMD Radeon HD 6770M Mac
NVIDIA GeForce4 Go 420
|
480 Shaders
1GB GDDR5
675MHz
|
2 Shaders
32MB DDR
200MHz
|
|
Peak AI Performance
650 GFLOPS
FP32
|
Peak AI Performance
-
|
|
FP32
650 GFLOPS
|
-
-
|
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-
-
|
-
-
|
|
Form Factor
Soldered
-
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Form Factor
AGP 8x
-
|
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TDP
35W
|
TDP
Unknown
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
GB6 OpenCL N/A
0%
|
GB6 OpenCL N/A
0%
|
|
GB6 Metal N/A
0%
|
GB6 Metal N/A
0%
|
|
GB6 Vulkan N/A
0%
|
GB6 Vulkan N/A
0%
|
|
GB5 OpenCL N/A
0%
|
GB5 OpenCL N/A
0%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal N/A
0%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan N/A
0%
|
GB5 Vulkan N/A
0%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal N/A
0%
|
OCT Metal N/A
0%
|
|
Manufacturer
AMD
|
Manufacturer
NVIDIA
|
|
Chip Designer
AMD
|
Chip Designer
NVIDIA
|
|
Architecture
TeraScale 2
|
Architecture
Kelvin
|
|
Family
Radeon HD 6000
|
Family
GeForce4
|
|
Codename
Turks
RV930
Variant
Whistler XT
|
Codename
NV17
-
Variant
NV17M
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/4/2011
|
Release Date
2/6/2002
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
40nm
-
|
Fabrication Node
150nm
-
|
|
Die Size
118 mm²
-
|
Die Size
65 mm²
-
|
|
Transistor Count
716 Million
-
|
Transistor Count
29 Million
-
|
|
Transistor Density
6.07M/mm²
-
|
Transistor Density
0.45M/mm²
-
|
|
Form
Soldered
|
Form
AGP 8x
|
|
Shading Units
480 Shaders
-
|
Shading Units
2 Shaders
-
|
|
Texture Mapping Units
24 TMUs
|
Texture Mapping Units
4 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
2 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
6 CUs
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
675MHz
|
-
-
-
200MHz
|
|
Peak AI Performance
650 GFLOPS
FP32
|
Peak AI Performance
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
FP32
650 GFLOPS
-
-
|
-
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
5.4 GPixel/s
|
Pixel Fillrate
0.4 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
16.2 GTexel/s
|
Texture Fillrate
0.8 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
8KB/CU
-
|
L1
-
-
-
Unknown
|
|
L2
256KB Shared
|
L2
Unknown
|
|
-
-
-
|
-
-
-
|
|
1GB
GDDR5
-
|
32MB
DDR
-
|
|
Bus Width
128Bit
|
Bus Width
64Bit
|
|
Clock
794MHz
Transfer Rate
3.2GT/s
Bandwidth
50.8GB/s
|
Clock
200MHz
Transfer Rate
400MT/s
Bandwidth
3.2GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
35W
|
TDP
Unknown
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
|
Max Resolution
2560x1600
|
Max Resolution
1920x1200
|
|
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 3.0
|
No Decoders
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Direct X
11
Direct 3D
11_0
|
Direct X
7
Direct 3D
7.0
|
|
OpenGL
4.5
OpenCL
1.2
-
-
|
OpenGL
1.5
-
-
-
-
|
|
Shader Model
5.0
-
-
GFX
4
-
-
-
-
|
Shader Model
1.1
-
-
-
-
-
-
-
-
|
|
Not a Card
-
-
-
|
Not a Card
-
-
-
|
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
|
-
-
PCIe Version
2.1
PCIe Lanes
16
|
-
-
-
-
-
-
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-
-
-
-
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-
-
-
-
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