Product comparison · 2 pcs/workstations

HP Z400 + WS094AA vs Lenovo ThinkCentre M81 Intel® Core™ i3 i3-2100

77specifications compared
41differ
36identical
49known for one product only

Key differences

Processor family
- Z400 + WS094AA:Intel® Xeon® 3000 Sequence
- ThinkCentre M81 Intel® Core™ i3 i3-2100:Intel® Core™ i3
Processor model
- Z400 + WS094AA:W3550
- ThinkCentre M81 Intel® Core™ i3 i3-2100:i3-2100
Processor cores
- Z400 + WS094AA:4
- ThinkCentre M81 Intel® Core™ i3 i3-2100:2
Processor threads
- Z400 + WS094AA:8
- ThinkCentre M81 Intel® Core™ i3 i3-2100:4
Processor frequency
- Z400 + WS094AA:3.06 GHz
- ThinkCentre M81 Intel® Core™ i3 i3-2100:3.1 GHz
Processor cache
- Z400 + WS094AA:8 MB
- ThinkCentre M81 Intel® Core™ i3 i3-2100:3 MB
Bus type
- Z400 + WS094AA:QPI
- ThinkCentre M81 Intel® Core™ i3 i3-2100:DMI
System bus rate
- Z400 + WS094AA:4.8 GT/s
- ThinkCentre M81 Intel® Core™ i3 i3-2100:5 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Z400 + WS094AA, M81
126 specifications	A HP Z400 + WS094AA View product	B Lenovo ThinkCentre M81 Intel® Core™ i3 i3-2100 Model M81 View product
Processor20 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
Processor modelDiffers	W3550	i3-2100
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor frequencyDiffers	3.06 GHz	3.1 GHz
L2 cacheKnown for one	Unknown — not stated by the source	3 MB
Processor cacheDiffers	8 MB	3 MB
L3 cacheKnown for one	Unknown — not stated by the source	3 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 i3-2100 Desktop Series
Processor codenameDiffers	Bloomfield	Sandy Bridge
Thermal Design Power (TDP)Differs	130 W	35, 65
TcaseDiffers	67.9 °C	69.1 °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	23	31
SteppingDiffers	D0	Q0
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
Processor boost frequencyKnown for one	3.33 GHz	Unknown — not stated by the source
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
Processor core voltage (AC)Known for one	1.225 V	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory channelsDiffers	Triple-channel	Dual-channel
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slotsKnown for one	6x DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityKnown for one	Unknown — not stated by the source	320 GB
Optical drive typeDiffers	DVD Super Multi	DVD-RW
HDD capacityDiffers	1 TB	320 GB
HDD interface	SATA	SATA
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
RAID supportKnown for one	Yes	Unknown — not stated by the source
RAID levelsKnown for one	0, 1, 5, 10	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	Intel® HD Graphics
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
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
Performance1 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetKnown for one	Intel® X58 Express	Unknown — not stated by the source
Networkidentical
Modem typeKnown for one	Unknown — not stated by the source	No
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Networking featuresKnown for one	Gigabit Ethernet (10/100/1000)	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantity	8	8
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
PS/2 ports quantityDiffers	2	0
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Chassis typeDiffers	Minitower	Tower
Product colourKnown for one	Unknown — not stated by the source	Black
Form factorKnown for one	Unknown — not stated by the source	Tower
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
Displayidentical
Display included	No	No
Processor special features14 differ
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 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 Technology	No	No
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
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	39720	53422
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	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Poweridentical
Power supplyKnown for one	475 W	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	167.9 mm	Unknown — not stated by the source
DepthKnown for one	455.3 mm	Unknown — not stated by the source
HeightKnown for one	450.2 mm	Unknown — not stated by the source
WeightKnown for one	13.5 kg	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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