NVIDIA GeForce GT 640M vs ATI Mobility Radeon 7500

Comparative analysis of NVIDIA GeForce GT 640M and ATI Mobility Radeon 7500 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. 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).

NVIDIA GeForce GT 640M

ATI Mobility Radeon 7500

Differences

Reasons to consider the NVIDIA GeForce GT 640M

Videocard is newer: launch date 10 year(s) 3 month(s) later
2.3x more boost clock speed: 645 MHz vs 280 MHz
192x more pipelines: 384 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 150 nm
64x more maximum memory size: 2 GB vs 32 MB
4.9x more memory clock speed: 1800 MHz vs 366 MHz
232x better performance in PassMark - G3D Mark: 928 vs 4
Around 88% better performance in PassMark - G2D Mark: 194 vs 103

Specifications (specs)
Launch date	22 March 2012 vs 1 December 2001
Boost clock speed	645 MHz vs 280 MHz
Pipelines	384 vs 2
Manufacturing process technology	28 nm vs 150 nm
Maximum memory size	2 GB vs 32 MB
Memory clock speed	1800 MHz vs 366 MHz
Benchmarks
PassMark - G3D Mark	928 vs 4
PassMark - G2D Mark	194 vs 103

Reasons to consider the ATI Mobility Radeon 7500

Around 19% lower typical power consumption: 27 Watt vs 32 Watt

Thermal Design Power (TDP)	27 Watt vs 32 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640M
GPU 2: ATI Mobility Radeon 7500

PassMark - G3D Mark

GPU 1

GPU 2

928

PassMark - G2D Mark

GPU 1

GPU 2

194

103

Name	NVIDIA GeForce GT 640M	ATI Mobility Radeon 7500
PassMark - G3D Mark	928	4
PassMark - G2D Mark	194	103
Geekbench - OpenCL	3192
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.861
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	275.972
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.727
CompuBench 1.5 Desktop - Video Composition (Frames/s)	15.445
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	17.381
GFXBench 4.0 - Car Chase Offscreen (Frames)	1476
GFXBench 4.0 - Manhattan (Frames)	1963
GFXBench 4.0 - T-Rex (Frames)	2580
GFXBench 4.0 - Car Chase Offscreen (Fps)	1476
GFXBench 4.0 - Manhattan (Fps)	1963
GFXBench 4.0 - T-Rex (Fps)	2580

Compare specifications (specs)

	NVIDIA GeForce GT 640M	ATI Mobility Radeon 7500
Essentials
Architecture	Kepler	Rage 7
Code name	GK107	M7
Launch date	22 March 2012	1 December 2001
Place in performance rating	1358	1355
Type	Laptop	Laptop
Technical info
Boost clock speed	645 MHz	280 MHz
CUDA cores	384
Floating-point performance	480.0 gflops
Manufacturing process technology	28 nm	150 nm
Pipelines	384	2
Thermal Design Power (TDP)	32 Watt	27 Watt
Transistor count	1,270 million	60 million
Core clock speed		230 MHz
Texture fill rate		560 MTexel / s
Video outputs and ports
Display Connectors	No outputs	No outputs
HDCP
HDMI
Maximum VGA resolution	Up to 2048x1536
Compatibility, dimensions and requirements
Bus support	PCI Express 2.0, PCI Express 3.0
Interface	PCIe 3.0 x16	AGP 4x
Laptop size	medium sized	medium sized
API support
DirectX	12 API	7.0
OpenCL	1.1
OpenGL	4.5	1.3
Memory
Maximum RAM amount	2 GB	32 MB
Memory bus width	128bit	200 Bit
Memory clock speed	1800 MHz	366 MHz
Memory type	DDR3\GDDR5	64 / 128
Shared memory	0	0
Memory bandwidth		3.2 GB / s
Technologies
3D Blu-Ray
3D Vision
CUDA
DirectCompute
DirectX 11	DirectX 11
Optimus