Product comparison · 2 pcs/workstations

HP 420 + NVIDIA Quadro K4000 vs HP 620 + 3x Z23i

124specifications compared
28differ
96identical
16known for one product only

Key differences

Processor family
- 420 + NVIDIA Quadro K4000:Intel® Xeon® E5 Family
- 620 + 3x Z23i:Intel® Xeon® E5 V2 Family
Processor model
- 420 + NVIDIA Quadro K4000:E5-1650V2
- 620 + 3x Z23i:E5-2620V2
Processor boost frequency
- 420 + NVIDIA Quadro K4000:3.9 GHz
- 620 + 3x Z23i:2.6 GHz
Processor frequency
- 420 + NVIDIA Quadro K4000:3.5 GHz
- 620 + 3x Z23i:2.1 GHz
Processor cache
- 420 + NVIDIA Quadro K4000:12 MB
- 620 + 3x Z23i:15 MB
Processor series
- 420 + NVIDIA Quadro K4000:Intel Xeon E5-1600 v2
- 620 + 3x Z23i:Intel Xeon E5-2600 v2
Thermal Design Power (TDP)
- 420 + NVIDIA Quadro K4000:130 W
- 620 + 3x Z23i:80 W
Tcase
- 420 + NVIDIA Quadro K4000:70 °C
- 620 + 3x Z23i:71 °C

Side by side

Differences highlightedShow differences only

Comparison of 420 + NVIDIA Quadro K4000, 620 + 3x Z23i
140 specifications	A HP 420 + NVIDIA Quadro K4000 View product	B HP 620 + 3x Z23i View product
Processor11 differ
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5-1650V2	E5-2620V2
Processor boost frequencyDiffers	3.9 GHz	2.6 GHz
Processor frequencyDiffers	3.5 GHz	2.1 GHz
Processor cacheDiffers	12 MB	15 MB
System bus rateKnown for one	Unknown — not stated by the source	7.2 GT/s
Processor seriesDiffers	Intel Xeon E5-1600 v2	Intel Xeon E5-2600 v2
Thermal Design Power (TDP)Differs	130 W	80 W
TcaseDiffers	70 °C	71 °C
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Maximum internal memory supported by processorDiffers	256 GB	768 GB
Memory clock speeds supported by processorDiffers	800,1066,1333,1600,1866 MHz	800,1066,1333,1600 MHz
Memory bandwidth supported by processor (max)Differs	59.7 GB/s	51.2 GB/s
Memory4 differ
Internal memoryDiffers	8 GB	16 GB
Memory layout (slots x size)Differs	1 x 8 GB	4 x 4 GB
Memory slotsDiffers	8x DIMM	12x DIMM
Memory clock speedDiffers	1866 MHz	1600 MHz
Maximum internal memoryKnown for one	64 GB	Unknown — not stated by the source
Storageidentical
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers	1	2
PS/2 ports quantityDiffers	2	0
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	600 W	800 W
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	58.4 cm (23")
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	178°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	178°
Processor special features4 differ
CPU configuration (max)Differs	1	2
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	46 bit
Processor ARK IDDiffers	75780	75789
Processor package sizeDiffers	52.5 x 45.0 mm	52.5 x 45 mm
ScalabilityDiffers	1S	2S
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	177.8 mm	171.5 mm
DepthDiffers	445.2 mm	464.8 mm
HeightDiffers	447.6 mm	444.5 mm
WeightDiffers	12.5 kg	15.5 kg
Packaging content1 differ
Mouse includedDiffers	Yes	No
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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