GeForce GT 640M and GeForce Go 7300 - video card comparison
Passmark - benchmark score GeForce GT 640M vs GeForce Go 7300
GeForce GT 640M
946
GeForce Go 7300
54
GeForce GT 640M
GeForce Go 7300
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
N13P-GS
G72M
Market segment
Laptop
Laptop
Release date
March 2012
February 2006
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Boost clock speed
645 MHz
350 MHz
Core clock speed
Up to 625 MHz
3 MHz
CUDA cores
384
-
Floating-point performance
480.0 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,270 million
112 million
Pipelines / CUDA cores
384
7
Power consumption (TDP)
32 Watt
-
Texture fill rate
Up to 20.0 billion/sec
1.400
Memory type
DDR3\GDDR5
DDR-3
Maximum RAM amount
2 GB
64 MB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 - 4000 MHz
700 MHz
Memory bandwidth
Up to 64.0 GB/s
5.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
Optimus
+
-