NVIDIA GeForce GT 550M vs NVIDIA GeForce GT 420M

Comparative analysis of NVIDIA GeForce GT 550M 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).

 

Differences

Reasons to consider the NVIDIA GeForce GT 550M

  • Videocard is newer: launch date 4 month(s) later
  • Around 97% higher texture fill rate: 11.8 billion / sec vs 6.0 billion / sec
  • Around 48% better floating-point performance: 284.16 gflops vs 192 gflops
  • 2x more maximum memory size: 1 GB vs 512 MB
  • Around 13% higher memory clock speed: 900 MHz vs 800 MHz
  • Around 44% better performance in PassMark - G3D Mark: 573 vs 397
  • Around 34% better performance in PassMark - G2D Mark: 119 vs 89
  • Around 49% better performance in Geekbench - OpenCL: 2351 vs 1583
  • Around 7% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.651 vs 4.329
  • Around 31% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 213.211 vs 162.162
  • Around 46% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.624 vs 0.426
  • Around 95% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 23.978 vs 12.306
  • Around 43% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1056 vs 737
  • Around 3% better performance in GFXBench 4.0 - Manhattan (Frames): 1790 vs 1731
  • Around 43% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1056 vs 737
  • Around 3% better performance in GFXBench 4.0 - Manhattan (Fps): 1790 vs 1731
Specifications (specs)
Launch date 5 January 2011 vs 3 September 2010
Texture fill rate 11.8 billion / sec vs 6.0 billion / sec
Floating-point performance 284.16 gflops vs 192 gflops
Maximum memory size 1 GB vs 512 MB
Memory clock speed 900 MHz vs 800 MHz
Benchmarks
PassMark - G3D Mark 573 vs 397
PassMark - G2D Mark 119 vs 89
Geekbench - OpenCL 2351 vs 1583
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.651 vs 4.329
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 213.211 vs 162.162
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.624 vs 0.426
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 23.978 vs 12.306
GFXBench 4.0 - Car Chase Offscreen (Frames) 1056 vs 737
GFXBench 4.0 - Manhattan (Frames) 1790 vs 1731
GFXBench 4.0 - Car Chase Offscreen (Fps) 1056 vs 737
GFXBench 4.0 - Manhattan (Fps) 1790 vs 1731

Reasons to consider the NVIDIA GeForce GT 420M

  • Around 35% higher core clock speed: 1000 MHz vs 740 MHz
  • Around 52% lower typical power consumption: 23 Watt vs 35 Watt
  • 2.1x better performance in GFXBench 4.0 - T-Rex (Frames): 2906 vs 1352
  • 2.1x better performance in GFXBench 4.0 - T-Rex (Fps): 2906 vs 1352
Specifications (specs)
Core clock speed 1000 MHz vs 740 MHz
Thermal Design Power (TDP) 23 Watt vs 35 Watt
Benchmarks
GFXBench 4.0 - T-Rex (Frames) 2906 vs 1352
GFXBench 4.0 - T-Rex (Fps) 2906 vs 1352

Compare benchmarks

GPU 1: NVIDIA GeForce GT 550M
GPU 2: NVIDIA GeForce GT 420M

PassMark - G3D Mark
GPU 1
GPU 2
573
397
PassMark - G2D Mark
GPU 1
GPU 2
119
89
Geekbench - OpenCL
GPU 1
GPU 2
2351
1583
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
4.651
4.329
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
213.211
162.162
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
0.624
0.426
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
23.978
12.306
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
1056
737
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1790
1731
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
1352
2906
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
1056
737
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1790
1731
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
1352
2906
Name NVIDIA GeForce GT 550M NVIDIA GeForce GT 420M
PassMark - G3D Mark 573 397
PassMark - G2D Mark 119 89
Geekbench - OpenCL 2351 1583
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.651 4.329
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 213.211 162.162
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.624 0.426
CompuBench 1.5 Desktop - Video Composition (Frames/s) 10.521
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 23.978 12.306
GFXBench 4.0 - Car Chase Offscreen (Frames) 1056 737
GFXBench 4.0 - Manhattan (Frames) 1790 1731
GFXBench 4.0 - T-Rex (Frames) 1352 2906
GFXBench 4.0 - Car Chase Offscreen (Fps) 1056 737
GFXBench 4.0 - Manhattan (Fps) 1790 1731
GFXBench 4.0 - T-Rex (Fps) 1352 2906

Compare specifications (specs)

NVIDIA GeForce GT 550M NVIDIA GeForce GT 420M

Essentials

Architecture Fermi Fermi
Code name GF108 GF108
Launch date 5 January 2011 3 September 2010
Place in performance rating 1508 1509
Type Laptop Laptop

Technical info

Core clock speed 740 MHz 1000 MHz
CUDA cores 96 96
Floating-point performance 284.16 gflops 192 gflops
Manufacturing process technology 40 nm 40 nm
Pipelines 96 96
Texture fill rate 11.8 billion / sec 6.0 billion / sec
Thermal Design Power (TDP) 35 Watt 23 Watt
Transistor count 585 million 585 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 2.0 x16
Laptop size large 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 bandwidth 28.8 GB / s 25.6 GB / s
Memory bus width 128 Bit 128 Bit
Memory clock speed 900 MHz 800 MHz
Memory type DDR3 (G)DDR3
Shared memory 0 0

Technologies

CUDA
DirectX 11 DirectX 11
Optimus