NVIDIA GeForce 800M vs NVIDIA GeForce GT 620M

Comparative analysis of NVIDIA GeForce 800M and NVIDIA GeForce GT 620M 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 - 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), CompuBench 1.5 Desktop - T-Rex (Frames/s).

NVIDIA GeForce 800M

NVIDIA GeForce GT 620M

Differences

Reasons to consider the NVIDIA GeForce 800M

Videocard is newer: launch date 1 year(s) 6 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
Around 5% better performance in PassMark - G3D Mark: 457 vs 437
Around 59% better performance in PassMark - G2D Mark: 203 vs 128
Around 16% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.91 vs 4.233
Around 1% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 7.249 vs 7.151

Specifications (specs)
Launch date	17 March 2014 vs 23 August 2012
Manufacturing process technology	28 nm vs 40 nm
Benchmarks
PassMark - G3D Mark	457 vs 437
PassMark - G2D Mark	203 vs 128
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.91 vs 4.233
CompuBench 1.5 Desktop - Video Composition (Frames/s)	7.249 vs 7.151

Reasons to consider the NVIDIA GeForce GT 620M

2x more pipelines: 96 vs 48
Around 79% better floating-point performance: 253.4 gflops vs 141.7 gflops
Around 61% better performance in Geekbench - OpenCL: 2097 vs 1303
Around 48% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 161.144 vs 109.13
Around 9% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 16.605 vs 15.218
Around 47% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1032 vs 703
Around 42% better performance in GFXBench 4.0 - Manhattan (Frames): 1595 vs 1123
Around 49% better performance in GFXBench 4.0 - T-Rex (Frames): 2392 vs 1601
Around 47% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1032 vs 703
Around 42% better performance in GFXBench 4.0 - Manhattan (Fps): 1595 vs 1123
Around 49% better performance in GFXBench 4.0 - T-Rex (Fps): 2392 vs 1601

Specifications (specs)
Pipelines	96 vs 48
Floating-point performance	253.4 gflops vs 141.7 gflops
Benchmarks
Geekbench - OpenCL	2097 vs 1303
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.144 vs 109.13
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	16.605 vs 15.218
GFXBench 4.0 - Car Chase Offscreen (Frames)	1032 vs 703
GFXBench 4.0 - Manhattan (Frames)	1595 vs 1123
GFXBench 4.0 - T-Rex (Frames)	2392 vs 1601
GFXBench 4.0 - Car Chase Offscreen (Fps)	1032 vs 703
GFXBench 4.0 - Manhattan (Fps)	1595 vs 1123
GFXBench 4.0 - T-Rex (Fps)	2392 vs 1601

Compare benchmarks

GPU 1: NVIDIA GeForce 800M
GPU 2: NVIDIA GeForce GT 620M

PassMark - G3D Mark

GPU 1

GPU 2

457

437

PassMark - G2D Mark

GPU 1

GPU 2

203

128

Geekbench - OpenCL

GPU 1

GPU 2

1303

2097

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

4.91

4.233

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

GPU 1

GPU 2

109.13

161.144

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

7.249

7.151

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

15.218

16.605

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

703

1032

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1123

1595

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

1601

2392

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

703

1032

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1123

1595

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

1601

2392

Name	NVIDIA GeForce 800M	NVIDIA GeForce GT 620M
PassMark - G3D Mark	457	437
PassMark - G2D Mark	203	128
Geekbench - OpenCL	1303	2097
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.91	4.233
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	109.13	161.144
CompuBench 1.5 Desktop - Video Composition (Frames/s)	7.249	7.151
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	15.218	16.605
GFXBench 4.0 - Car Chase Offscreen (Frames)	703	1032
GFXBench 4.0 - Manhattan (Frames)	1123	1595
GFXBench 4.0 - T-Rex (Frames)	1601	2392
GFXBench 4.0 - Car Chase Offscreen (Fps)	703	1032
GFXBench 4.0 - Manhattan (Fps)	1123	1595
GFXBench 4.0 - T-Rex (Fps)	1601	2392
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.519

Compare specifications (specs)

	NVIDIA GeForce 800M	NVIDIA GeForce GT 620M
Essentials
Architecture	Fermi 2.0	Fermi
Code name	GF117	GF108
Launch date	17 March 2014	23 August 2012
Place in performance rating	1490	1492
Type	Desktop	Laptop
Technical info
Core clock speed	738 MHz
Floating-point performance	141.7 gflops	253.4 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	48	96
Texture fill rate	5.904 GTexel / s
Thermal Design Power (TDP)	15 Watt	15 Watt
Transistor count	585 million	585 million
Boost clock speed		715 MHz
CUDA cores		96
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 3.0	PCI Express 2.0
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Laptop size		medium sized
API support
DirectX	12.0 (11_0)	12 API
OpenGL	4.5	4.5
OpenCL		1.1
Memory
Maximum RAM amount	1 GB	1 GB
Memory bandwidth	14.4 GB / s
Memory bus width	64 Bit
Memory clock speed	1800 MHz	1800 MHz
Memory type	DDR3	DDR3
Shared memory		0
Technologies
CUDA
GameWorks
GPU Boost
Optimus
3D Blu-Ray
DirectCompute
DirectX 11		DirectX 11
Verde Drivers