Product comparison · 2 pcs/workstations

HP 420 + ZR2440w vs HP 420 + ZR2740w

114specifications compared
3differ
111identical
27known for one product only

Key differences

Display diagonal
- 420 + ZR2440w:61 cm (24")
- 420 + ZR2740w:68.6 cm (27")
Resolution
- 420 + ZR2440w:1920 x 1200 pixels
- 420 + ZR2740w:2560 x 1440 pixels
Audio system
- 420 + ZR2440w:HD
- 420 + ZR2740w:High Definition Audio

Side by side

Differences highlightedShow differences only

Comparison of 420 + ZR2440w, 420 + ZR2740w
141 specifications	A HP 420 + ZR2440w View product	B HP 420 + ZR2740w View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor model	E5-1620	E5-1620
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	3.8 GHz	3.8 GHz
Processor frequency	3.6 GHz	3.6 GHz
Processor cache	10 MB	10 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rate	0 GT/s	0 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Xeon E5-1600	Intel Xeon E5-1600
Processor codename	Sandy Bridge EP	Sandy Bridge EP
Thermal Design Power (TDP)	130 W	130 W
Tcase	64 °C	64 °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 processors installed	1	1
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
CPU multiplier (bus/core ratio)	38	38
Stepping	M1	M1
Maximum internal memory supported by processor	375 GB	375 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333,1600 MHz	800,1066,1333,1600 MHz
Memory bandwidth supported by processor (max)	51.2 GB/s	51.2 GB/s
ECC supported by processor	Yes	Yes
Memoryidentical
Internal memory	8 GB	8 GB
Maximum internal memory	64 GB	64 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	4 x 2 GB	4 x 2 GB
Memory slots	8x DIMM	8x DIMM
Memory clock speed	1600 MHz	1600 MHz
ECC	Yes	Yes
Memory channels	Quad-channel	Quad-channel
Storageidentical
Total storage capacityKnown for one	1 TB	Unknown — not stated by the source
Optical drive type	DVD Super Multi	DVD Super Multi
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
RAID support	Yes	Yes
RAID levels	0, 1, 5, 10	0, 1, 5, 10
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Graphics cardKnown for one	Unknown — not stated by the source	No
Performanceidentical
Product type	Workstation	Workstation
Motherboard chipset	Intel® C602	Intel® C602
Optical driveidentical
Optical drives quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet (10/100/1000)
Ports & interfacesidentical
USB 2.0 ports quantity	5	5
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	0	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	2	2
Expansion slotsidentical
Number of 3.5" baysKnown for one	3	Unknown — not stated by the source
PCI Express x4 slots	1	1
PCI Express x8 slots	2	2
PCI Express x16 slots	2	2
PCI slots	1	1
Poweridentical
Power supply	600 W	600 W
Designidentical
Chassis type	Minitower	Minitower
Number of 5.25" baysKnown for one	3	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Cooling typeKnown for one	Active	Unknown — not stated by the source
Country of origin	China	China
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display2 differ
Display included	Yes	Yes
Display diagonalDiffers	61 cm (24")	68.6 cm (27")
Display resolutionKnown for one	1920 x 1200 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1100:1	Unknown — not stated by the source
Display brightnessKnown for one	350 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	178°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	178°	Unknown — not stated by the source
ResolutionDiffers	1920 x 1200 pixels	2560 x 1440 pixels
Processor special featuresidentical
CPU configuration (max)	1	1
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 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® Smart Cache	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK ID	64621	64621
Processor code	SR0LC	SR0LC
Processor package size	52.5 x 45.0 mm	52.5 x 45.0 mm
Scalability	1S	1S
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
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
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Weight & dimensionsidentical
Width	177.8 mm	177.8 mm
Depth	445.2 mm	445.2 mm
Height	447.6 mm	447.6 mm
Weight	12.5 kg	12.5 kg
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
Keyboard includedKnown for one	No	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR

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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