NVIDIA GeForce GTX 660M Mac vs ATI Radeon HD 4670 Mac

NVIDIA GeForce GTX 660M Mac
ATI Radeon HD 4670 Mac
384 Shaders
512MB GDDR5
950MHz
320 Shaders
512MB GDDR3
680MHz
Peak AI Performance
0.73 TOPS
INT32
Peak AI Performance
440 GFLOPS
FP32
FP32
730 GFLOPS
FP32
440 GFLOPS
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Form Factor
Soldered
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Form Factor
MXM-A
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TDP
50W
TDP
35W
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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
TeraScale 1
Family
GeForce 600
Family
Radeon HD 4000
Codename
NVE7
GK107
Variant
N13E-GE
Codename
Mario
RV730
Variant
M96 XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
3/22/2012
Release Date
1/9/2009
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
55nm
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Die Size
118 mm²
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Die Size
146 mm²
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Transistor Count
1.3 Billion
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Transistor Count
514 Million
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Transistor Density
10.76M/mm²
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Transistor Density
3.52M/mm²
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Form
Soldered
Form
MXM-A
Shading Units
384 Shaders
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Shading Units
320 Shaders
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Texture Mapping Units
32 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
8 ROPs
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Streaming Multiprocessors
2 SMs
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Compute Units
4 CUs
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950MHz
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680MHz
Peak AI Performance
0.73 TOPS
INT32
Peak AI Performance
440 GFLOPS
FP32
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FP32
730 GFLOPS
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FP32
440 GFLOPS
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FP64
30 GFLOPS
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INT32
0.73 TOPS
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Pixel Fillrate
15.2 GPixel/s
Pixel Fillrate
5.44 GPixel/s
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Texture Fillrate
30.4 GTexel/s
Texture Fillrate
21.76 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L1
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16KB/CU
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L2
256KB Shared
L2
256KB Shared
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512MB
GDDR5
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512MB
GDDR3
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Bus Width
128Bit
Bus Width
128Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
Clock
790MHz
Transfer Rate
1.6GT/s
Bandwidth
25.3GB/s
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TDP
50W
TDP
35W
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No Ports
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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
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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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Model
NVENC 1
No Encoders
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Codec
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AVC (H.264)
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Model
NVDEC 1
Model
UVD 2.0
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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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
12
Direct 3D
11_0
Direct X
10
Direct 3D
10_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
3.3
OpenCL
1.1
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Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
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
3.0
PCIe Lanes
16
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PCIe Version
2.0
PCIe Lanes
16
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Change Comparison