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 manufacturer	Intel	Intel
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
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	QPI	FSB
FSB Parity	No	No
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
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
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	3 x 2 GB	1 x 2 GB
Memory slotsDiffers	6x DIMM	2x DIMM
Memory clock speed	1333 MHz	1333 MHz
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
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
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
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
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
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
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
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 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 Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
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)	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® Wireless Display (Intel® WiDi)	No	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
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	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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