NVIDIA GeForce GTX 660M Mac vs ATI Mobility Radeon X1600 Mac

NVIDIA GeForce GTX 660M Mac
ATI Mobility Radeon X1600 Mac
384 Shaders
512MB GDDR5
950MHz
12 Shaders
128MB GDDR3
398MHz
Peak AI Performance
0.73 TOPS
INT32
Peak AI Performance
-
FP32
730 GFLOPS
-
-
-
-
-
-
Form Factor
Soldered
-
Form Factor
Soldered
-
TDP
50W
TDP
Unknown
-
-
-
-
-
-
-
-
-
-
GB6 OpenCL N/A
0%
GB6 OpenCL 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
NVIDIA
Manufacturer
ATI
Chip Designer
NVIDIA
Chip Designer
ATI
Architecture
Kepler
Architecture
R500
Family
GeForce 600
Family
Radeon X1000
Codename
NVE7
GK107
Variant
N13E-GE
Codename
Jinn
RV530
Variant
M56
Market Segment
Laptop
Market Segment
Laptop
Release Date
3/22/2012
Release Date
1/19/2006
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
90nm
-
Die Size
118 mm²
-
Die Size
150 mm²
-
Transistor Count
1.3 Billion
-
Transistor Count
157 Million
-
Transistor Density
10.76M/mm²
-
Transistor Density
1.05M/mm²
-
Form
Soldered
Form
Soldered
Shading Units
384 Shaders
-
Shading Units
12 Shaders
5 Vertex Shaders
Texture Mapping Units
32 TMUs
Texture Mapping Units
4 TMUs
Render Output Units
16 ROPs
Render Output Units
4 ROPs
-
-
-
-
-
-
-
-
Streaming Multiprocessors
2 SMs
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
950MHz
-
-
-
398MHz
Peak AI Performance
0.73 TOPS
INT32
Peak AI Performance
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
730 GFLOPS
-
-
-
-
-
-
FP64
30 GFLOPS
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
INT32
0.73 TOPS
-
-
-
-
-
-
Pixel Fillrate
15.2 GPixel/s
Pixel Fillrate
1.592 GPixel/s
-
-
Vertex Rate
0.498 GVertices/s
Texture Fillrate
30.4 GTexel/s
Texture Fillrate
1.592 GTexel/s
-
-
-
-
L1
48KB/SM Tex
16KB/SM
-
-
L1
-
-
-
Unknown
L2
256KB Shared
L2
Unknown
-
-
-
-
-
-
512MB
GDDR5
-
128MB
GDDR3
-
Bus Width
128Bit
Bus Width
128Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
Clock
396MHz
Transfer Rate
792MT/s
Bandwidth
12.7GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
50W
TDP
Unknown
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
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-
-
-
No Ports
Max Resolution
4096x2304
Max Resolution
2560x1600
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
-
-
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
-
-
-
-
Model
NVENC 1
No Encoders
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Model
NVDEC 1
No Decoders
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Direct X
12
Direct 3D
11_0
Direct X
9
Direct 3D
9_3
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
2.1
-
-
-
-
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
3.0
-
-
GFX
2
-
-
-
-
Not a Card
-
-
-
Not a Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCIe Version
3.0
PCIe Lanes
16
-
-
PCIe Version
1.0
PCIe Lanes
16
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-
-
-
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-
-
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Change Comparison