NVIDIA GeForce GT 620M vs NVIDIA GeForce GT 420M

Comparative analysis of NVIDIA GeForce GT 620M and NVIDIA GeForce GT 420M 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 GT 420M

Differences

Reasons to consider the NVIDIA GeForce GT 620M

Videocard is newer: launch date 1 year(s) 11 month(s) later
Around 32% better floating-point performance: 253.4 gflops vs 192 gflops
Around 53% lower typical power consumption: 15 Watt vs 23 Watt
2x more maximum memory size: 1 GB vs 512 MB
2.3x more memory clock speed: 1800 MHz vs 800 MHz
Around 10% better performance in PassMark - G3D Mark: 434 vs 396
Around 39% better performance in PassMark - G2D Mark: 125 vs 90
Around 34% better performance in Geekbench - OpenCL: 2121 vs 1583
Around 22% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.519 vs 0.426
Around 35% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 16.605 vs 12.306
Around 40% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1032 vs 737
Around 40% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1032 vs 737

Specifications (specs)
Launch date	23 August 2012 vs 3 September 2010
Floating-point performance	253.4 gflops vs 192 gflops
Thermal Design Power (TDP)	15 Watt vs 23 Watt
Maximum memory size	1 GB vs 512 MB
Memory clock speed	1800 MHz vs 800 MHz
Benchmarks
PassMark - G3D Mark	434 vs 396
PassMark - G2D Mark	125 vs 90
Geekbench - OpenCL	2121 vs 1583
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.519 vs 0.426
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	16.605 vs 12.306
GFXBench 4.0 - Car Chase Offscreen (Frames)	1032 vs 737
GFXBench 4.0 - Car Chase Offscreen (Fps)	1032 vs 737

Reasons to consider the NVIDIA GeForce GT 420M

Around 2% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.329 vs 4.233
Around 1% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 162.162 vs 161.144
Around 9% better performance in GFXBench 4.0 - Manhattan (Frames): 1731 vs 1595
Around 21% better performance in GFXBench 4.0 - T-Rex (Frames): 2906 vs 2392
Around 9% better performance in GFXBench 4.0 - Manhattan (Fps): 1731 vs 1595
Around 21% better performance in GFXBench 4.0 - T-Rex (Fps): 2906 vs 2392

Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.329 vs 4.233
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	162.162 vs 161.144
GFXBench 4.0 - Manhattan (Frames)	1731 vs 1595
GFXBench 4.0 - T-Rex (Frames)	2906 vs 2392
GFXBench 4.0 - Manhattan (Fps)	1731 vs 1595
GFXBench 4.0 - T-Rex (Fps)	2906 vs 2392

Compare benchmarks

GPU 1: NVIDIA GeForce GT 620M
GPU 2: NVIDIA GeForce GT 420M

PassMark - G3D Mark

GPU 1

GPU 2

434

396

PassMark - G2D Mark

GPU 1

GPU 2

125

Geekbench - OpenCL

GPU 1

GPU 2

2121

1583

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

4.233

4.329

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

161.144

162.162

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

0.519

0.426

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

16.605

12.306

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

1032

737

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1595

1731

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

2392

2906

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

1032

737

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1595

1731

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

2392

2906

Name	NVIDIA GeForce GT 620M	NVIDIA GeForce GT 420M
PassMark - G3D Mark	434	396
PassMark - G2D Mark	125	90
Geekbench - OpenCL	2121	1583
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.233	4.329
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.144	162.162
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.519	0.426
CompuBench 1.5 Desktop - Video Composition (Frames/s)	7.151
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	16.605	12.306
GFXBench 4.0 - Car Chase Offscreen (Frames)	1032	737
GFXBench 4.0 - Manhattan (Frames)	1595	1731
GFXBench 4.0 - T-Rex (Frames)	2392	2906
GFXBench 4.0 - Car Chase Offscreen (Fps)	1032	737
GFXBench 4.0 - Manhattan (Fps)	1595	1731
GFXBench 4.0 - T-Rex (Fps)	2392	2906

Compare specifications (specs)

	NVIDIA GeForce GT 620M	NVIDIA GeForce GT 420M
Essentials
Architecture	Fermi	Fermi
Code name	GF108	GF108
Launch date	23 August 2012	3 September 2010
Place in performance rating	1507	1510
Type	Laptop	Laptop
Technical info
Boost clock speed	715 MHz
CUDA cores	96	96
Floating-point performance	253.4 gflops	192 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	96	96
Thermal Design Power (TDP)	15 Watt	23 Watt
Transistor count	585 million	585 million
Core clock speed		1000 MHz
Texture fill rate		6.0 billion / sec
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
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Laptop size	medium sized	medium sized
API support
DirectX	12 API	12 API
OpenCL	1.1	1.1
OpenGL	4.5	4.5
Memory
Maximum RAM amount	1 GB	512 MB
Memory clock speed	1800 MHz	800 MHz
Memory type	DDR3	(G)DDR3
Shared memory	0	0
Memory bandwidth		25.6 GB / s
Memory bus width		128 Bit
Technologies
3D Blu-Ray
CUDA
DirectCompute
DirectX 11	DirectX 11
Optimus
Verde Drivers