GeForce GT 640M LE and GeForce MX230 - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs GeForce MX230
GeForce GT 640M LE
720
GeForce MX230
1894
GeForce GT 640M LE
GeForce MX230
Architecture
Fermi / Kepler (2012)
Pascal (2016−2021)
GPU code name
N13P-LP
N17S-G0
Market segment
Laptop
Laptop
Release date
March 2012
February 2019
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
-
1531 MHz
Core clock speed
Up to 500 MHz
1519 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
585 million
1,800 million
Pipelines / CUDA cores
384
256
Power consumption (TDP)
20 Watt
10 Watt
Texture fill rate
Up to 16.0 billion/sec
25.31
Memory type
DDR3\DDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 - 4000 MHz
7000 MHz
Memory bandwidth
Up to 28.8 GB/s
48.06 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_1)
CUDA
+
+
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-
Optimus
+
+