NVIDIA GeForce 820M vs NVIDIA Quadro K420

Comparative analysis of NVIDIA GeForce 820M and NVIDIA Quadro K420 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), 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce 820M

NVIDIA Quadro K420

Differences

Reasons to consider the NVIDIA GeForce 820M

Videocard is newer: launch date 7 month(s) later
1024x more maximum memory size: 1 GB vs 1 GB / 2 GB
Around 1% higher memory clock speed: 1802 MHz vs 1782 MHz
Around 50% better performance in Geekbench - OpenCL: 2775 vs 1847
Around 29% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.765 vs 6
Around 58% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.686 vs 0.433
Around 38% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 14.257 vs 10.365
Around 28% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 22.768 vs 17.75
2.4x better performance in GFXBench 4.0 - Manhattan (Frames): 1447 vs 598
2.7x better performance in GFXBench 4.0 - T-Rex (Frames): 3349 vs 1241
2.4x better performance in GFXBench 4.0 - Manhattan (Fps): 1447 vs 598
2.7x better performance in GFXBench 4.0 - T-Rex (Fps): 3349 vs 1241

Specifications (specs)
Launch date	21 March 2015 vs 22 July 2014
Maximum memory size	1 GB vs 1 GB / 2 GB
Memory clock speed	1802 MHz vs 1782 MHz
Benchmarks
Geekbench - OpenCL	2775 vs 1847
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.765 vs 6
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.686 vs 0.433
CompuBench 1.5 Desktop - Video Composition (Frames/s)	14.257 vs 10.365
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	22.768 vs 17.75
GFXBench 4.0 - Manhattan (Frames)	1447 vs 598
GFXBench 4.0 - T-Rex (Frames)	3349 vs 1241
GFXBench 4.0 - Manhattan (Fps)	1447 vs 598
GFXBench 4.0 - T-Rex (Fps)	3349 vs 1241

Reasons to consider the NVIDIA Quadro K420

Around 8% higher core clock speed: 876 MHz vs 810 MHz
Around 40% higher texture fill rate: 14.02 GTexel / s vs 10 GTexel / s
2x more pipelines: 192 vs 96
Around 40% better floating-point performance: 336.4 gflops vs 240.0 gflops
Around 10% lower typical power consumption: 41 Watt vs 45 Watt
Around 50% better performance in PassMark - G3D Mark: 741 vs 495
2.5x better performance in PassMark - G2D Mark: 282 vs 113
Around 16% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 186.605 vs 161.305
Around 4% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1245 vs 1195
Around 4% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1245 vs 1195

Specifications (specs)
Core clock speed	876 MHz vs 810 MHz
Texture fill rate	14.02 GTexel / s vs 10 GTexel / s
Pipelines	192 vs 96
Floating-point performance	336.4 gflops vs 240.0 gflops
Thermal Design Power (TDP)	41 Watt vs 45 Watt
Benchmarks
PassMark - G3D Mark	741 vs 495
PassMark - G2D Mark	282 vs 113
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	186.605 vs 161.305
GFXBench 4.0 - Car Chase Offscreen (Frames)	1245 vs 1195
GFXBench 4.0 - Car Chase Offscreen (Fps)	1245 vs 1195

Compare benchmarks

GPU 1: NVIDIA GeForce 820M
GPU 2: NVIDIA Quadro K420

PassMark - G3D Mark

GPU 1

GPU 2

495

741

PassMark - G2D Mark

GPU 1

GPU 2

113

282

Geekbench - OpenCL

GPU 1

GPU 2

2775

1847

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

7.765

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

GPU 1

GPU 2

161.305

186.605

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

GPU 1

GPU 2

0.686

0.433

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

14.257

10.365

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

22.768

17.75

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

1195

1245

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1447

598

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3349

1241

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

1195

1245

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1447

598

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3349

1241

Name	NVIDIA GeForce 820M	NVIDIA Quadro K420
PassMark - G3D Mark	495	741
PassMark - G2D Mark	113	282
Geekbench - OpenCL	2775	1847
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.765	6
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.305	186.605
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.686	0.433
CompuBench 1.5 Desktop - Video Composition (Frames/s)	14.257	10.365
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	22.768	17.75
GFXBench 4.0 - Car Chase Offscreen (Frames)	1195	1245
GFXBench 4.0 - Manhattan (Frames)	1447	598
GFXBench 4.0 - T-Rex (Frames)	3349	1241
GFXBench 4.0 - Car Chase Offscreen (Fps)	1195	1245
GFXBench 4.0 - Manhattan (Fps)	1447	598
GFXBench 4.0 - T-Rex (Fps)	3349	1241
3DMark Fire Strike - Graphics Score	847

Compare specifications (specs)

	NVIDIA GeForce 820M	NVIDIA Quadro K420
Essentials
Architecture	Kepler	Kepler
Code name	GK107	GK107
Launch date	21 March 2015	22 July 2014
Place in performance rating	1475	1476
Type	Laptop	Workstation
Launch price (MSRP)		$96.67
Price now		$89.99
Value for money (0-100)		10.27
Technical info
Core clock speed	810 MHz	876 MHz
Floating-point performance	240.0 gflops	336.4 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	96	192
Texture fill rate	10 GTexel / s	14.02 GTexel / s
Thermal Design Power (TDP)	45 Watt	41 Watt
Transistor count	1,270 million	1,270 million
Video outputs and ports
Display Connectors	No outputs	DVI-I DP, 1x DVI, 1x DisplayPort
Number of simultaneous displays		4
Compatibility, dimensions and requirements
Bus support	PCI Express 2.0
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length		160 mm
Supplementary power connectors		None
Width		1" (2.5 cm)
API support
DirectX	12.0 (11_0)	12
OpenGL	4.5	4.5
Shader Model		5
Vulkan
Memory
Maximum RAM amount	1 GB	1 GB / 2 GB
Memory bandwidth	14.4 GB / s
Memory bus width	64 Bit	128 Bit
Memory clock speed	1802 MHz	1782 MHz
Memory type	DDR3	128 Bit
Shared memory	0
Technologies
CUDA
GameWorks
GPU Boost
Optimus
Verde Drivers
3D Vision Pro
Mosaic
nView Desktop Management