GeForce GTX 660 Rev. 2 and GeForce MX450 - video card comparison
GeForce GTX 660 Rev. 2
GeForce MX450
Architecture
Kepler (2012−2018)
Turing (2018−2021)
GPU code name
GK104
N17S-G5 / GP107-670-A1
Market segment
Desktop
Laptop
Release date
September 2014
August 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1032 MHz
1575 MHz
Core clock speed
980 MHz
1395 MHz
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
3,540 million
4,700 million
Pipelines / CUDA cores
960
896
Power consumption (TDP)
140 Watt
25 Watt (12 - 29 Watt TGP)
Texture fill rate
82.56
100.8
Memory type
GDDR5
GDDR5, GDDR6
Maximum RAM amount
2 GB
2 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
6008 MHz
10000 MHz
Memory bandwidth
144.2 GB/s
64.03 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
7.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2
Optimus
-
+