NVIDIA GeForce GTX 660M Mac vs ATI Radeon HD 2400 XT Mac MXM
NVIDIA GeForce GTX 660M Mac
ATI Radeon HD 2400 XT Mac MXM
|
384 Shaders
512MB GDDR5
950MHz
|
40 Shaders
128MB GDDR3
650MHz
|
|
Peak AI Performance
0.73 TOPS
INT32
|
Peak AI Performance
50 GFLOPS
FP32
|
|
FP32
730 GFLOPS
|
FP32
50 GFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
Soldered
-
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Form Factor
MXM-II
-
|
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TDP
50W
|
TDP
Unknown
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-
-
-
-
-
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-
-
-
-
-
|
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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%
|
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Manufacturer
NVIDIA
|
Manufacturer
ATI
|
|
Chip Designer
NVIDIA
|
Chip Designer
ATI
|
|
Architecture
Kepler
|
Architecture
TeraScale 1
|
|
Family
GeForce 600
|
Family
Radeon HD 2000
|
|
Codename
NVE7
GK107
Variant
N13E-GE
|
Codename
Laka
RV610
Variant
M74M
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
3/22/2012
|
Release Date
6/28/2007
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
28nm
-
|
Fabrication Node
65nm
-
|
|
Die Size
118 mm²
-
|
Die Size
85 mm²
-
|
|
Transistor Count
1.3 Billion
-
|
Transistor Count
180 Million
-
|
|
Transistor Density
10.76M/mm²
-
|
Transistor Density
2.12M/mm²
-
|
|
Form
Soldered
|
Form
MXM-II
|
|
Shading Units
384 Shaders
-
|
Shading Units
40 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
|
-
-
|
|
-
-
|
Compute Units
2 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
950MHz
|
-
-
-
650MHz
|
|
Peak AI Performance
0.73 TOPS
INT32
|
Peak AI Performance
50 GFLOPS
FP32
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
FP32
730 GFLOPS
-
-
|
FP32
50 GFLOPS
-
-
|
|
FP64
30 GFLOPS
-
|
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
INT32
0.73 TOPS
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
15.2 GPixel/s
|
Pixel Fillrate
2.6 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
30.4 GTexel/s
|
Texture Fillrate
2.6 GTexel/s
|
|
-
-
|
-
-
|
|
L1
48KB/SM Tex
16KB/SM
-
-
|
L1
-
-
-
Unknown
|
|
L2
256KB Shared
|
L2
32KB Shared
|
|
-
-
-
|
-
-
-
|
|
512MB
GDDR5
-
|
128MB
GDDR3
-
|
|
Bus Width
128Bit
|
Bus Width
64Bit
|
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
|
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
12.8GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
50W
|
TDP
Unknown
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
|
Model
UVD 1.0
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
12
Direct 3D
11_0
|
Direct X
10
Direct 3D
10_0
|
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
|
OpenGL
3.3
OpenCL
1.1
-
-
|
|
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
|
Shader Model
4.1
-
-
GFX
3
-
-
-
-
|
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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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