
GeForce GTX 660M Mac Edition and Arc 3 A350M - video card comparison
GeForce GTX 660M Mac Edition
Arc 3 A350M
Architecture
Kepler (2012−2018)
Generation 12.7 (2022)
GPU code name
GK107
DG2-128
Market segment
Desktop
Desktop
Release date
April 2013
March 2022
Interface
MXM-B (3.0)
PCIe 4.0 x8
Supplementary power connectors
None
-
Boost clock speed
-
1150 MHz
Core clock speed
950 MHz
-
Floating-point performance
729.6 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,270 million
7,200 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
50 Watt
25 Watt
Texture fill rate
30.40
55.20
Memory type
GDDR5
GDDR6
Maximum RAM amount
512 MB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
5000 MHz
12 GB/s
Memory bandwidth
80 GB/s
96 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.3