NVIDIA Quadro K420 vs NVIDIA GeForce GT 755M Mac Edition

Comparative analysis of NVIDIA Quadro K420 and NVIDIA GeForce GT 755M Mac Edition 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 Quadro K420

NVIDIA GeForce GT 755M Mac Edition

Differences

Reasons to consider the NVIDIA Quadro K420

Videocard is newer: launch date 8 month(s) later
Around 22% lower typical power consumption: 41 Watt vs 50 Watt
24.4x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1245 vs 51
12.7x better performance in GFXBench 4.0 - Manhattan (Fps): 598 vs 47
20.8x better performance in GFXBench 4.0 - T-Rex (Fps): 1241 vs 59.6

Specifications (specs)
Launch date	22 July 2014 vs 8 November 2013
Thermal Design Power (TDP)	41 Watt vs 50 Watt
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Fps)	1245 vs 51
GFXBench 4.0 - Manhattan (Fps)	598 vs 47
GFXBench 4.0 - T-Rex (Fps)	1241 vs 59.6

Reasons to consider the NVIDIA GeForce GT 755M Mac Edition

Around 24% higher core clock speed: 1085 MHz vs 876 MHz
2.5x more texture fill rate: 34.72 GTexel / s vs 14.02 GTexel / s
2x more pipelines: 384 vs 192
2.5x better floating-point performance: 833.3 gflops vs 336.4 gflops
1024x more maximum memory size: 1 GB vs 1 GB / 2 GB
2.8x more memory clock speed: 5000 MHz vs 1782 MHz
Around 71% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.243 vs 5.977
2.1x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 393.811 vs 186.605
2.8x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.966 vs 0.345
Around 81% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 18.793 vs 10.363
Around 11% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 19.139 vs 17.254
2.4x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3011 vs 1245
4.9x better performance in GFXBench 4.0 - Manhattan (Frames): 2916 vs 598
2.7x better performance in GFXBench 4.0 - T-Rex (Frames): 3335 vs 1241

Specifications (specs)
Core clock speed	1085 MHz vs 876 MHz
Texture fill rate	34.72 GTexel / s vs 14.02 GTexel / s
Pipelines	384 vs 192
Floating-point performance	833.3 gflops vs 336.4 gflops
Maximum memory size	1 GB vs 1 GB / 2 GB
Memory clock speed	5000 MHz vs 1782 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	10.243 vs 5.977
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	393.811 vs 186.605
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.966 vs 0.345
CompuBench 1.5 Desktop - Video Composition (Frames/s)	18.793 vs 10.363
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	19.139 vs 17.254
GFXBench 4.0 - Car Chase Offscreen (Frames)	3011 vs 1245
GFXBench 4.0 - Manhattan (Frames)	2916 vs 598
GFXBench 4.0 - T-Rex (Frames)	3335 vs 1241

Compare benchmarks

GPU 1: NVIDIA Quadro K420
GPU 2: NVIDIA GeForce GT 755M Mac Edition

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

5.977

10.243

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

GPU 1

GPU 2

186.605

393.811

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

GPU 1

GPU 2

0.345

0.966

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

10.363

18.793

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

17.254

19.139

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

1245

3011

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

598

2916

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

1241

3335

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

1245

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

598

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

1241

59.6

Name	NVIDIA Quadro K420	NVIDIA GeForce GT 755M Mac Edition
PassMark - G3D Mark	746
PassMark - G2D Mark	280
Geekbench - OpenCL	1791
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	5.977	10.243
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	186.605	393.811
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.345	0.966
CompuBench 1.5 Desktop - Video Composition (Frames/s)	10.363	18.793
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	17.254	19.139
GFXBench 4.0 - Car Chase Offscreen (Frames)	1245	3011
GFXBench 4.0 - Manhattan (Frames)	598	2916
GFXBench 4.0 - T-Rex (Frames)	1241	3335
GFXBench 4.0 - Car Chase Offscreen (Fps)	1245	51
GFXBench 4.0 - Manhattan (Fps)	598	47
GFXBench 4.0 - T-Rex (Fps)	1241	59.6

Compare specifications (specs)

	NVIDIA Quadro K420	NVIDIA GeForce GT 755M Mac Edition
Essentials
Architecture	Kepler	Kepler
Code name	GK107	GK107
Launch date	22 July 2014	8 November 2013
Launch price (MSRP)	$96.67
Place in performance rating	1470	1471
Price now	$89.99
Type	Workstation	Desktop
Value for money (0-100)	10.27
Technical info
Core clock speed	876 MHz	1085 MHz
Floating-point performance	336.4 gflops	833.3 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	192	384
Texture fill rate	14.02 GTexel / s	34.72 GTexel / s
Thermal Design Power (TDP)	41 Watt	50 Watt
Transistor count	1,270 million	1,270 million
Video outputs and ports
Display Connectors	DVI-I DP, 1x DVI, 1x DisplayPort	No outputs
Number of simultaneous displays	4
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length	160 mm
Supplementary power connectors	None
Width	1" (2.5 cm)
API support
DirectX	12	12.0 (11_0)
OpenGL	4.5	4.6
Shader Model	5
Vulkan
Memory
Maximum RAM amount	1 GB / 2 GB	1 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1782 MHz	5000 MHz
Memory type	128 Bit	GDDR5
Memory bandwidth		80 GB / s
Technologies
3D Vision Pro
Mosaic
nView Desktop Management