NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GT 550M

Comparative analysis of NVIDIA GeForce GTX 660M Mac Edition 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 - 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), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL.

 

Differences

Reasons to consider the NVIDIA GeForce GTX 660M Mac Edition

  • Videocard is newer: launch date 2 year(s) 2 month(s) later
  • Around 28% higher core clock speed: 950 MHz vs 740 MHz
  • 2.6x more texture fill rate: 30.4 GTexel / s vs 11.8 billion / sec
  • 4x more pipelines: 384 vs 96
  • 2.6x better floating-point performance: 729.6 gflops vs 284.16 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 5.6x more memory clock speed: 5000 MHz vs 900 MHz
  • 2.4x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 11.245 vs 4.651
  • Around 41% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 301.554 vs 213.211
  • Around 26% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.785 vs 0.624
  • Around 53% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 16.08 vs 10.521
  • Around 75% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1848 vs 1056
  • Around 50% better performance in GFXBench 4.0 - Manhattan (Frames): 2690 vs 1790
  • 3.8x better performance in GFXBench 4.0 - T-Rex (Frames): 5125 vs 1352
Specifications (specs)
Launch date 1 April 2013 vs 5 January 2011
Core clock speed 950 MHz vs 740 MHz
Texture fill rate 30.4 GTexel / s vs 11.8 billion / sec
Pipelines 384 vs 96
Floating-point performance 729.6 gflops vs 284.16 gflops
Manufacturing process technology 28 nm vs 40 nm
Memory clock speed 5000 MHz vs 900 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 11.245 vs 4.651
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 301.554 vs 213.211
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.785 vs 0.624
CompuBench 1.5 Desktop - Video Composition (Frames/s) 16.08 vs 10.521
GFXBench 4.0 - Car Chase Offscreen (Frames) 1848 vs 1056
GFXBench 4.0 - Manhattan (Frames) 2690 vs 1790
GFXBench 4.0 - T-Rex (Frames) 5125 vs 1352

Reasons to consider the NVIDIA GeForce GT 550M

  • Around 43% lower typical power consumption: 35 Watt vs 50 Watt
  • 2x more maximum memory size: 1 GB vs 512 MB
  • Around 45% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 23.978 vs 16.56
  • 33.7x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1056 vs 31.3
  • 41.2x better performance in GFXBench 4.0 - Manhattan (Fps): 1790 vs 43.4
  • 14.8x better performance in GFXBench 4.0 - T-Rex (Fps): 1352 vs 91.5
Specifications (specs)
Thermal Design Power (TDP) 35 Watt vs 50 Watt
Maximum memory size 1 GB vs 512 MB
Benchmarks
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 23.978 vs 16.56
GFXBench 4.0 - Car Chase Offscreen (Fps) 1056 vs 31.3
GFXBench 4.0 - Manhattan (Fps) 1790 vs 43.4
GFXBench 4.0 - T-Rex (Fps) 1352 vs 91.5

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 660M Mac Edition
GPU 2: NVIDIA GeForce GT 550M

CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
11.245
4.651
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
301.554
213.211
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
0.785
0.624
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
16.08
10.521
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
16.56
23.978
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
1848
1056
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
2690
1790
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
5125
1352
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
31.3
1056
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
43.4
1790
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
91.5
1352
Name NVIDIA GeForce GTX 660M Mac Edition NVIDIA GeForce GT 550M
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 11.245 4.651
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 301.554 213.211
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.785 0.624
CompuBench 1.5 Desktop - Video Composition (Frames/s) 16.08 10.521
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 16.56 23.978
GFXBench 4.0 - Car Chase Offscreen (Frames) 1848 1056
GFXBench 4.0 - Manhattan (Frames) 2690 1790
GFXBench 4.0 - T-Rex (Frames) 5125 1352
GFXBench 4.0 - Car Chase Offscreen (Fps) 31.3 1056
GFXBench 4.0 - Manhattan (Fps) 43.4 1790
GFXBench 4.0 - T-Rex (Fps) 91.5 1352
PassMark - G3D Mark 562
PassMark - G2D Mark 116
Geekbench - OpenCL 2351

Compare specifications (specs)

NVIDIA GeForce GTX 660M Mac Edition NVIDIA GeForce GT 550M

Essentials

Architecture Kepler Fermi
Code name GK107 GF108
Launch date 1 April 2013 5 January 2011
Place in performance rating 1506 1509
Type Desktop Laptop

Technical info

Core clock speed 950 MHz 740 MHz
Floating-point performance 729.6 gflops 284.16 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 384 96
Texture fill rate 30.4 GTexel / s 11.8 billion / sec
Thermal Design Power (TDP) 50 Watt 35 Watt
Transistor count 1,270 million 585 million
CUDA cores 96

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Laptop size large

API support

DirectX 12.0 (11_0) 12 API
OpenGL 4.6 4.5
OpenCL 1.1

Memory

Maximum RAM amount 512 MB 1 GB
Memory bandwidth 80 GB / s 28.8 GB / s
Memory bus width 128 Bit 128 Bit
Memory clock speed 5000 MHz 900 MHz
Memory type GDDR5 DDR3
Shared memory 0

Technologies

CUDA
DirectX 11 DirectX 11
Optimus