NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GT 550M

Comparative analysis of NVIDIA GeForce GTX 660 Rev. 2 and NVIDIA GeForce GT 550M 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: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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).

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce GT 550M

Differences

Reasons to consider the NVIDIA GeForce GTX 660 Rev. 2

Videocard is newer: launch date 3 year(s) 8 month(s) later
Around 32% higher core clock speed: 980 MHz vs 740 MHz
7x more texture fill rate: 82.56 GTexel / s vs 11.8 billion / sec
10x more pipelines: 960 vs 96
7x better floating-point performance: 1,981 gflops vs 284.16 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
2x more maximum memory size: 2 GB vs 1 GB
6.7x more memory clock speed: 6008 MHz vs 900 MHz
8.4x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 39.216 vs 4.651
Around 88% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.173 vs 0.624

Specifications (specs)
Launch date	13 September 2014 vs 5 January 2011
Core clock speed	980 MHz vs 740 MHz
Texture fill rate	82.56 GTexel / s vs 11.8 billion / sec
Pipelines	960 vs 96
Floating-point performance	1,981 gflops vs 284.16 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	2 GB vs 1 GB
Memory clock speed	6008 MHz vs 900 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	39.216 vs 4.651
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.173 vs 0.624

Reasons to consider the NVIDIA GeForce GT 550M

4x lower typical power consumption: 35 Watt vs 140 Watt

Thermal Design Power (TDP)	35 Watt vs 140 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 660 Rev. 2
GPU 2: NVIDIA GeForce GT 550M

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

39.216

4.651

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

GPU 1

GPU 2

1.173

0.624

Name	NVIDIA GeForce GTX 660 Rev. 2	NVIDIA GeForce GT 550M
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	39.216	4.651
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.173	0.624
PassMark - G3D Mark		568
PassMark - G2D Mark		116
Geekbench - OpenCL		2351
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		213.211
CompuBench 1.5 Desktop - Video Composition (Frames/s)		10.521
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		23.978
GFXBench 4.0 - Car Chase Offscreen (Frames)		1056
GFXBench 4.0 - Manhattan (Frames)		1790
GFXBench 4.0 - T-Rex (Frames)		1352
GFXBench 4.0 - Car Chase Offscreen (Fps)		1056
GFXBench 4.0 - Manhattan (Fps)		1790
GFXBench 4.0 - T-Rex (Fps)		1352

Compare specifications (specs)

	NVIDIA GeForce GTX 660 Rev. 2	NVIDIA GeForce GT 550M
Essentials
Architecture	Kepler	Fermi
Code name	GK104	GF108
Launch date	13 September 2014	5 January 2011
Place in performance rating	1511	1508
Type	Desktop	Laptop
Technical info
Boost clock speed	1032 MHz
Core clock speed	980 MHz	740 MHz
Floating-point performance	1,981 gflops	284.16 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	960	96
Texture fill rate	82.56 GTexel / s	11.8 billion / sec
Thermal Design Power (TDP)	140 Watt	35 Watt
Transistor count	3,540 million	585 million
CUDA cores		96
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	241 mm
Supplementary power connectors	1x 6-pin
Laptop size		large
API support
DirectX	12.0 (11_0)	12 API
OpenGL	4.6	4.5
OpenCL		1.1
Memory
Maximum RAM amount	2 GB	1 GB
Memory bandwidth	144.2 GB / s	28.8 GB / s
Memory bus width	192 Bit	128 Bit
Memory clock speed	6008 MHz	900 MHz
Memory type	GDDR5	DDR3
Shared memory		0
Technologies
CUDA
DirectX 11		DirectX 11
Optimus