NVIDIA GeForce GT 640 vs NVIDIA GeForce Go 7450

Comparative analysis of NVIDIA GeForce GT 640 and NVIDIA GeForce Go 7450 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce GT 640

NVIDIA GeForce Go 7450

Differences

Reasons to consider the NVIDIA GeForce GT 640

Videocard is newer: launch date 6 year(s) 4 month(s) later
3x more core clock speed: 902 MHz vs 300 MHz
12x more texture fill rate: 28.86 GTexel / s vs 2.4 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 90 nm
32x more maximum memory size: 2 GB vs 64 MB
4.5x more memory clock speed: 1782 MHz vs 400 MHz

Launch date	5 June 2012 vs 1 February 2006
Core clock speed	902 MHz vs 300 MHz
Texture fill rate	28.86 GTexel / s vs 2.4 GTexel / s
Manufacturing process technology	28 nm vs 90 nm
Maximum memory size	2 GB vs 64 MB
Memory clock speed	1782 MHz vs 400 MHz

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640
GPU 2: NVIDIA GeForce Go 7450

Name	NVIDIA GeForce GT 640	NVIDIA GeForce Go 7450
PassMark - G3D Mark	1170
PassMark - G2D Mark	295
Geekbench - OpenCL	3771
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	11.448
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	206.777
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.792
CompuBench 1.5 Desktop - Video Composition (Frames/s)	14.637
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	20.86
GFXBench 4.0 - Car Chase Offscreen (Frames)	2134
GFXBench 4.0 - Manhattan (Frames)	2375
GFXBench 4.0 - T-Rex (Frames)	3328
GFXBench 4.0 - Car Chase Offscreen (Fps)	2134
GFXBench 4.0 - Manhattan (Fps)	2375
GFXBench 4.0 - T-Rex (Fps)	3328
3DMark Fire Strike - Graphics Score	1565

Compare specifications (specs)

	NVIDIA GeForce GT 640	NVIDIA GeForce Go 7450
Essentials
Architecture	Kepler	Curie
Code name	GK107	G72
Launch date	5 June 2012	1 February 2006
Launch price (MSRP)	$99
Place in performance rating	1158	not rated
Price now	$59.99
Type	Desktop	Desktop
Value for money (0-100)	25.25
Technical info
Core clock speed	902 MHz	300 MHz
Floating-point performance	692.7 gflops
Manufacturing process technology	28 nm	90 nm
Pipelines	384
Texture fill rate	28.86 GTexel / s	2.4 GTexel / s
Thermal Design Power (TDP)	65 Watt
Transistor count	1,270 million	112 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Length	145 mm
Supplementary power connectors	None
API support
DirectX	12.0 (11_0)	9.0c
OpenGL	4.6	2.1
Memory
Maximum RAM amount	2 GB	64 MB
Memory bandwidth	28.51 GB / s	12.8 GB / s
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz	400 MHz
Memory type	DDR3	DDR2