GeForce GT 640M LE and GeForce GT 610 - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs GeForce GT 610
GeForce GT 640M LE
720
GeForce GT 610
317
GeForce GT 640M LE
GeForce GT 610
Architecture
Fermi / Kepler (2012)
Fermi 2.0 (2010−2014)
GPU code name
N13P-LP
GF119
Market segment
Laptop
Desktop
Release date
March 2012
April 2012
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
Up to 500 MHz
810 MHz
CUDA cores
Up to 384
48
Floating-point performance
384.0 gflops
155.5 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
292 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
20 Watt
29 Watt
Maximum GPU temperature
-
102 °C
Texture fill rate
Up to 16.0 billion/sec
6.5 billion/sec
Memory type
DDR3\DDR5
DDR3
Maximum RAM amount
2 GB
1024 MB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 - 4000 MHz
1.8 GB/s
Memory bandwidth
Up to 28.8 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
Up to 2048x1536
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 API
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.2
Shader Model
5.1
5.1
Vulkan
N/A
N/A
3D Blu-Ray
+
+
Optimus
+
-