Product comparison · 2 pcs/workstations

HP 400 + ZR24w vs Lenovo M91p + ThinkVision LS1951

88specifications compared
52differ
36identical
53known for one product only

Key differences

Processor family
- 400 + ZR24w:Intel® Xeon® 3000 Sequence
- M91p + ThinkVision LS1951:Intel® Core™ i5
Processor model
- 400 + ZR24w:W3565
- M91p + ThinkVision LS1951:i5-2400
Processor threads
- 400 + ZR24w:8
- M91p + ThinkVision LS1951:4
Processor boost frequency
- 400 + ZR24w:3.46 GHz
- M91p + ThinkVision LS1951:3.4 GHz
Processor frequency
- 400 + ZR24w:3.2 GHz
- M91p + ThinkVision LS1951:3.1 GHz
Processor cache
- 400 + ZR24w:8 MB
- M91p + ThinkVision LS1951:6 MB
Bus type
- 400 + ZR24w:QPI
- M91p + ThinkVision LS1951:DMI
System bus rate
- 400 + ZR24w:4.8 GT/s
- M91p + ThinkVision LS1951:5 GT/s

Side by side

Differences highlightedShow differences only

Comparison of 400 + ZR24w, M91p + ThinkVision LS1951
141 specifications	A HP 400 + ZR24w View product	B Lenovo M91p + ThinkVision LS1951 View product
Processor18 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i5
Processor modelDiffers	W3565	i5-2400
Processor cores	4	4
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.46 GHz	3.4 GHz
Processor frequencyDiffers	3.2 GHz	3.1 GHz
Processor cacheDiffers	8 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	QPI	DMI
FSB Parity	No	No
System bus rateDiffers	4.8 GT/s	5 GT/s
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 3500 Series	Intel Core i5-2400 Desktop Series
Processor codenameDiffers	Bloomfield	Sandy Bridge
Thermal Design Power (TDP)Differs	130 W	95 W
TcaseKnown for one	Unknown — not stated by the source	72.6 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of processors installed	1	1
Processor socketDiffers	Socket B (LGA 1366)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	24	31
Maximum internal memory supported by processorDiffers	24 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	21 GB/s
ECC supported by processorDiffers	Yes	No
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	731 M	Unknown — not stated by the source
Processing Die sizeKnown for one	263 mm²	Unknown — not stated by the source
SteppingKnown for one	D0	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	6 GB	4 GB
Maximum internal memory	16 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	3 x 2 GB	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channelsDiffers	Triple-channel	Dual-channel
ECCKnown for one	Yes	Unknown — not stated by the source
Storage3 differ
Total storage capacityKnown for one	Unknown — not stated by the source	500 GB
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Number of HDDs installed	1	1
HDD capacityDiffers	1 TB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
Total HDDs capacityKnown for one	1 TB	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Graphics cardKnown for one	No	Unknown — not stated by the source
Performance2 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetDiffers	Intel® X58 Express	Intel® Q67 Express
Networkidentical
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-FiKnown for one	Unknown — not stated by the source	No
Networking featuresKnown for one	Gigabit Ethernet (10/100/1000)	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
Serial ports quantityKnown for one	Unknown — not stated by the source	1
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	475 W	280 W
Design1 differ
Chassis typeDiffers	Minitower	Tower
Product colourKnown for one	Unknown — not stated by the source	Black
Country of originKnown for one	China	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display1 differ
Display included	Yes	Yes
Display diagonalDiffers	61 cm (24")	48.3 cm (19")
Display resolutionKnown for one	Unknown — not stated by the source	1440 x 900 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
ResolutionKnown for one	1920 x 1200 pixels	Unknown — not stated by the source
Processor special features19 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
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 SwitchingDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	39721	52207
Processor package sizeDiffers	42.5 x 45.0 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.2	AVX
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
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
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	SLBEV	Unknown — not stated by the source
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	167.9 mm	175 mm
DepthDiffers	455.3 mm	442 mm
HeightDiffers	450.2 mm	414 mm
WeightDiffers	13.5 kg	11 kg
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	8 - 90%	Unknown — not stated by the source
Non-operating altitudeKnown for one	9100	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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