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 manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5-1650V2	E5-2620V2
Processor cores	6	6
Processor threads	12	12
Processor boost frequencyDiffers	3.9 GHz	2.6 GHz
Processor frequencyDiffers	3.5 GHz	2.1 GHz
Processor cacheDiffers	12 MB	15 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rateKnown for one	Unknown — not stated by the source	7.2 GT/s
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon E5-1600 v2	Intel Xeon E5-2600 v2
Processor codename	Ivy Bridge EP	Ivy Bridge EP
Thermal Design Power (TDP)Differs	130 W	80 W
TcaseDiffers	70 °C	71 °C
Maximum number of PCI Express lanes	40	40
PCI Express configurations	x4, x8, x16	x4, x8, x16
PCI Express slots version	3.0	3.0
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Number of processors installed	1	1
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Maximum internal memory supported by processorDiffers	256 GB	768 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
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
ECC supported by processor	Yes	Yes
Memory4 differ
Internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
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
ECC	Yes	Yes
Memory channels	Quad-channel	Quad-channel
Maximum internal memoryKnown for one	64 GB	Unknown — not stated by the source
Storageidentical
Total storage capacity	1 TB	1 TB
Optical drive type	DVD Super Multi	DVD Super Multi
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card model	Not available	Not available
Performanceidentical
Product type	Workstation	Workstation
Motherboard chipset	Intel® C602	Intel® C602
Optical driveidentical
Optical drives quantity	1	1
BD interface type	SATA	SATA
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Ports & interfaces2 differ
USB 2.0 ports quantity	5	5
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	0	0
DVI port	No	No
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) ports	2	2
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Expansion slotsidentical
Number of 3.5" bays	3	3
PCI Express x4 (Gen 2.x) slots	1	1
PCI Express x8 (Gen 2.x) slots	1	1
PCI Express x8 (Gen 3.x) slots	1	1
PCI Express x16 (Gen 3.x) slots	2	2
PCI slots	1	1
Power1 differ
Power supplyDiffers	600 W	800 W
Designidentical
Chassis type	Mini Tower	Mini Tower
Number of 5.25" bays	3	3
Product colour	Black	Black
Country of origin	China	China
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating system	Windows 8.1 Pro	Windows 8.1 Pro
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
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	0.00	0.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® OS Guard	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
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
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Audioidentical
Audio system	HD	HD
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
Keyboard included	Yes	Yes
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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