NVIDIA GeForce GT 640 vs ATI Mobility Radeon HD 3400

Comparative analysis of NVIDIA GeForce GT 640 and ATI Mobility Radeon HD 3400 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

ATI Mobility Radeon HD 3400

Differences

Reasons to consider the NVIDIA GeForce GT 640

Videocard is newer: launch date 1 year(s) 10 month(s) later
10.6x better performance in PassMark - G3D Mark: 1173 vs 111
Around 23% better performance in PassMark - G2D Mark: 295 vs 239
3.6x better performance in GFXBench 4.0 - T-Rex (Frames): 3328 vs 918
3.6x better performance in GFXBench 4.0 - T-Rex (Fps): 3328 vs 918

Specifications (specs)
Launch date	5 June 2012 vs 1 August 2010
Benchmarks
PassMark - G3D Mark	1173 vs 111
PassMark - G2D Mark	295 vs 239
GFXBench 4.0 - T-Rex (Frames)	3328 vs 918
GFXBench 4.0 - T-Rex (Fps)	3328 vs 918

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640
GPU 2: ATI Mobility Radeon HD 3400

PassMark - G3D Mark

GPU 1

GPU 2

1173

111

PassMark - G2D Mark

GPU 1

GPU 2

295

239

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3328

918

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3328

918

Name	NVIDIA GeForce GT 640	ATI Mobility Radeon HD 3400
PassMark - G3D Mark	1173	111
PassMark - G2D Mark	295	239
Geekbench - OpenCL	3766
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	918
GFXBench 4.0 - Car Chase Offscreen (Fps)	2134
GFXBench 4.0 - Manhattan (Fps)	2375
GFXBench 4.0 - T-Rex (Fps)	3328	918
3DMark Fire Strike - Graphics Score	1565

Compare specifications (specs)

	NVIDIA GeForce GT 640	ATI Mobility Radeon HD 3400
Essentials
Architecture	Kepler	RV6xx
Code name	GK107
Launch date	5 June 2012	1 August 2010
Launch price (MSRP)	$99
Place in performance rating	1178	1180
Price now	$59.99
Type	Desktop	Laptop
Value for money (0-100)	25.25
Technical info
Core clock speed	902 MHz
Floating-point performance	692.7 gflops
Manufacturing process technology	28 nm
Pipelines	384
Texture fill rate	28.86 GTexel / s
Thermal Design Power (TDP)	65 Watt
Transistor count	1,270 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16
Length	145 mm
Supplementary power connectors	None
API support
DirectX	12.0 (11_0)
OpenGL	4.6
Memory
Maximum RAM amount	2 GB
Memory bandwidth	28.51 GB / s
Memory bus width	128 Bit
Memory clock speed	1782 MHz
Memory type	DDR3
Shared memory		yes