Product comparison · 2 pcs/workstations

HP Z400 + SkyRoom Standard Accessory Hardware Kit vs Lenovo A70 + ThinkVision L1900p

81specifications compared
41differ
40identical
34known for one product only

Key differences

The HP Z400 + SkyRoom Standard Accessory Hardware Kit has 2 more processor cores than the Lenovo A70 + ThinkVision L1900p (4 vs 2). The HP Z400 + SkyRoom Standard Accessory Hardware Kit has 6 more processor threads than the Lenovo A70 + ThinkVision L1900p (8 vs 2). The HP Z400 + SkyRoom Standard Accessory Hardware Kit has 0.06 GHz more processor frequency than the Lenovo A70 + ThinkVision L1900p (3.06 GHz vs 3 GHz). Only the HP Z400 + SkyRoom Standard Accessory Hardware Kit has ECC supported by processor. Only the HP Z400 + SkyRoom Standard Accessory Hardware Kit has card reader integrated.

Processor family
- Z400 + SkyRoom Standard Accessory Hardware Kit:Intel® Xeon® 3000 Sequence
- A70 + ThinkVision L1900p:Intel® Pentium®
Processor model
- Z400 + SkyRoom Standard Accessory Hardware Kit:W3550
- A70 + ThinkVision L1900p:E5700
Processor cores
- Z400 + SkyRoom Standard Accessory Hardware Kit:4
- A70 + ThinkVision L1900p:2
Processor threads
- Z400 + SkyRoom Standard Accessory Hardware Kit:8
- A70 + ThinkVision L1900p:2
Processor frequency
- Z400 + SkyRoom Standard Accessory Hardware Kit:3.06 GHz
- A70 + ThinkVision L1900p:3 GHz
Processor cache
- Z400 + SkyRoom Standard Accessory Hardware Kit:8 MB
- A70 + ThinkVision L1900p:2 MB
Bus type
- Z400 + SkyRoom Standard Accessory Hardware Kit:QPI
- A70 + ThinkVision L1900p:FSB
Processor codename
- Z400 + SkyRoom Standard Accessory Hardware Kit:Bloomfield
- A70 + ThinkVision L1900p:Wolfdale

Side by side

Differences highlightedShow differences only

Comparison of Z400 + SkyRoom Standard Accessory Hardware Kit, A70 + ThinkVision L1900p
115 specifications	A HP Z400 + SkyRoom Standard Accessory Hardware Kit View product	B Lenovo A70 + ThinkVision L1900p View product
Processor17 differ
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Pentium®
Processor modelDiffers	W3550	E5700
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	3.33 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.06 GHz	3 GHz
Processor cacheDiffers	8 MB	2 MB
Bus typeDiffers	QPI	FSB
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Processor seriesDiffers	Intel Xeon 3500 Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Bloomfield	Wolfdale
Thermal Design Power (TDP)Differs	130 W	65 W
TcaseDiffers	67.9 °C	74.1 °C
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	Socket B (LGA 1366)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	731 M	228 M
Processing Die sizeDiffers	263 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	23	15
Processor core voltage (AC)Known for one	1.225 V	Unknown — not stated by the source
SteppingDiffers	D0	R0
Maximum internal memory supported by processorKnown for one	24 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800,1066 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
ECC supported by processorDiffers	Yes	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory4 differ
Internal memoryDiffers	6 GB	2 GB
Maximum internal memoryDiffers	16 GB	4 GB
Memory layout (slots x size)Differs	3 x 2 GB	1 x 2 GB
Memory slotsDiffers	6x DIMM	2x DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
Storage2 differ
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
Total storage capacityKnown for one	Unknown — not stated by the source	320 GB
Graphicsidentical
Graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA X4500
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Performance1 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetKnown for one	Intel® X38 Express	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Wi-FiKnown for one	Unknown — not stated by the source	No
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
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
Power1 differ
Power supplyDiffers	475 W	180 W
Design1 differ
Chassis typeDiffers	Minitower	Tower
Country of originKnown for one	China	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	48.3 cm (19")
Display resolutionKnown for one	Unknown — not stated by the source	1280 x 1024 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	800:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	160°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special features7 differ
Intel Demand Based SwitchingDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	39720	42801
Processor package sizeDiffers	42.5 x 45.0 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Audio1 differ
Audio systemDiffers	High Definition Audio	Realtek ALC662
Weight & dimensions4 differ
WidthDiffers	167.9 mm	160 mm
DepthDiffers	455.3 mm	355 mm
HeightDiffers	450.2 mm	392 mm
WeightDiffers	13.5 kg	10.5 kg

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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