NVIDIA GeForce GT 620M vs NVIDIA GeForce 7900 GS

Comparative analysis of NVIDIA GeForce GT 620M and NVIDIA GeForce 7900 GS 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 620M

NVIDIA GeForce 7900 GS

Differences

Reasons to consider the NVIDIA GeForce GT 620M

Videocard is newer: launch date 6 year(s) 3 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 90 nm
3.3x lower typical power consumption: 15 Watt vs 49 Watt
4x more maximum memory size: 1 GB vs 256 MB
Around 36% higher memory clock speed: 1800 MHz vs 1320 MHz
Around 72% better performance in PassMark - G3D Mark: 436 vs 254
Around 85% better performance in PassMark - G2D Mark: 126 vs 68

Specifications (specs)
Launch date	23 August 2012 vs 1 May 2006
Manufacturing process technology	40 nm vs 90 nm
Thermal Design Power (TDP)	15 Watt vs 49 Watt
Maximum memory size	1 GB vs 256 MB
Memory clock speed	1800 MHz vs 1320 MHz
Benchmarks
PassMark - G3D Mark	436 vs 254
PassMark - G2D Mark	126 vs 68

Compare benchmarks

GPU 1: NVIDIA GeForce GT 620M
GPU 2: NVIDIA GeForce 7900 GS

PassMark - G3D Mark

GPU 1

GPU 2

436

254

PassMark - G2D Mark

GPU 1

GPU 2

126

Name	NVIDIA GeForce GT 620M	NVIDIA GeForce 7900 GS
PassMark - G3D Mark	436	254
PassMark - G2D Mark	126	68
Geekbench - OpenCL	2108
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.233
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.144
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.519
CompuBench 1.5 Desktop - Video Composition (Frames/s)	7.151
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	16.605
GFXBench 4.0 - Car Chase Offscreen (Frames)	1032
GFXBench 4.0 - Manhattan (Frames)	1595
GFXBench 4.0 - T-Rex (Frames)	2392
GFXBench 4.0 - Car Chase Offscreen (Fps)	1032
GFXBench 4.0 - Manhattan (Fps)	1595
GFXBench 4.0 - T-Rex (Fps)	2392

Compare specifications (specs)

	NVIDIA GeForce GT 620M	NVIDIA GeForce 7900 GS
Essentials
Architecture	Fermi	Curie
Code name	GF108	G71
Launch date	23 August 2012	1 May 2006
Place in performance rating	1498	1495
Type	Laptop	Desktop
Launch price (MSRP)		$259
Technical info
Boost clock speed	715 MHz
CUDA cores	96
Floating-point performance	253.4 gflops
Manufacturing process technology	40 nm	90 nm
Pipelines	96
Thermal Design Power (TDP)	15 Watt	49 Watt
Transistor count	585 million	278 million
Core clock speed		450 MHz
Texture fill rate		9 GTexel / s
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
HDCP
HDMI
Maximum VGA resolution	Up to 2048x1536
Compatibility, dimensions and requirements
Bus support	PCI Express 2.0
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Laptop size	medium sized
Length		198 mm
Supplementary power connectors		1x 6-pin
API support
DirectX	12 API	9.0c
OpenCL	1.1
OpenGL	4.5	2.1
Memory
Maximum RAM amount	1 GB	256 MB
Memory clock speed	1800 MHz	1320 MHz
Memory type	DDR3	GDDR3
Shared memory	0
Memory bandwidth		42.2 GB / s
Memory bus width		256 Bit
Technologies
3D Blu-Ray
CUDA
DirectCompute
DirectX 11	DirectX 11
Optimus
Verde Drivers