GeForce GT 640 and GeForce MX250 - video card comparison
Passmark - benchmark score GeForce GT 640 vs GeForce MX250
GeForce GT 640
1210
GeForce MX250
2495
GeForce GT 640
GeForce MX250
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK107
N17S-G2
Market segment
Desktop
Laptop
Release date
June 2012
February 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x4
Supplementary power connectors
None
None
Boost clock speed
-
1582 MHz
Core clock speed
902 MHz
1518 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
1,800 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
65 Watt
10/25 Watt
Texture fill rate
28.86
24.91
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
7000 MHz
Memory bandwidth
28.51 GB/s
48.06 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
6.1
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2