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Product comparison · 2 pcs/workstations

HP Z400 + LA1951g vs Lenovo A70 + L2021w

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  • 79specifications compared
  • 39differ
  • 40identical
  • 55known for one product only

Key differences

The HP Z400 + LA1951g has 2 more processor cores than the Lenovo A70 + L2021w (4 vs 2). The HP Z400 + LA1951g has 6 more processor threads than the Lenovo A70 + L2021w (8 vs 2). The HP Z400 + LA1951g has 5 MB more processor cache than the Lenovo A70 + L2021w (8 MB vs 3 MB). Only the HP Z400 + LA1951g has ECC supported by processor. Only the HP Z400 + LA1951g has Intel Demand Based Switching.

  • Processor family
    • Intel® Xeon® 3000 Sequence
    • Intel® Core™2 Duo
  • Processor model
    • W3550
    • E7600
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 2
  • Processor cache
    • 8 MB
    • 3 MB
  • Processor cache type
    • Smart Cache
    • L2
  • Bus type
    • QPI
    • FSB
  • Processor codename
    • Bloomfield
    • Wolfdale

Side by side

Differences highlightedShow differences only
134 specifications
A

HP

Z400 + LA1951gView product
B

Lenovo

A70 + L2021wView product
Processor17 differ
Processor familyDiffersIntel® Xeon® 3000 SequenceIntel® Core™2 Duo
Processor modelDiffersW3550E7600
Processor coresDiffers42
Processor threadsDiffers82
Processor cacheDiffers8 MB3 MB
Processor cache typeDiffersSmart CacheL2
Processor front side busKnown for one1066 MHz
Bus typeDiffersQPIFSB
Processor seriesDiffersIntel Xeon 3500 SeriesIntel Core 2 Duo E7000 Series
Processor codenameDiffersBloomfieldWolfdale
Thermal Design Power (TDP)Differs130 W65 W
TcaseDiffers67.9 °C74.1 °C
Processor socketDiffersSocket B (LGA 1366)LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers731 M228 M
Processing Die sizeDiffers263 mm²82 mm²
CPU multiplier (bus/core ratio)Differs2311.5
SteppingDiffersD0R0
ECC supported by processorDiffersYesNo
Processor boost frequencyKnown for one3.33 GHz
System bus rateKnown for one4.8 GT/s
Number of QPI linksKnown for one1
Processor core voltage (AC)Known for one1.225 V
Maximum internal memory supported by processorKnown for one24 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800,1066 MHz
Memory bandwidth supported by processor (max)Known for one25.6 GB/s
Memory4 differ
Internal memoryDiffers6 GB2 GB
Maximum internal memoryDiffers16 GB4 GB
Memory slotsDiffers6x DIMM2x DIMM
Memory clock speedDiffers1333 MHz1066 MHz
Memory layout (slots x size)Known for one3 x 2 GB
ECCKnown for oneYes
Memory channelsKnown for oneTriple-channel
Storage1 differ
Total storage capacityKnown for one500 GB
Optical drive typeDiffersDVD Super MultiDVD-RW
Drive device, buffer sizeKnown for one1 MB
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD speedKnown for one7200 RPM
Card reader integratedKnown for oneNo
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA X4500
Graphics card familyKnown for oneIntel
Performance1 differ
Product typeDiffersWorkstationPC
Motherboard chipsetKnown for oneIntel® X38 Express
Network1 differ
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiKnown for oneNo
Networking featuresDiffersGigabit Ethernet (10/100/1000)Gigabit Ethernet
Ports & interfacesidentical
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantityKnown for one0
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
Firewire (IEEE 1394) portsKnown for one1
Serial ports quantityKnown for one1
Parallel ports quantityKnown for one0
PS/2 ports quantityKnown for one2
Expansion slotsidentical
Number of 3.5" baysKnown for one2
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Power1 differ
Power requirementsKnown for one110-220V, 50/60Hz
Power supplyDiffers475 W180 W
Design1 differ
Chassis typeDiffersMinitowerTower
Number of 5.25" baysKnown for one1
Product colourKnown for oneBlack
Country of originKnown for oneChina
Display1 differ
Display diagonalDiffers48.3 cm (19")50.8 cm (20")
Display resolutionKnown for one1600 x 900 pixels
Native aspect ratioKnown for one16:9
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one160°
Viewing angle, verticalKnown for one160°
DisplayKnown for oneLCD
ResolutionKnown for one1280 x 1024 pixels
Processor special features7 differ
Intel Demand Based SwitchingDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersYesNo
Processor ARK IDDiffers3972041495
Processor package sizeDiffers42.5 x 45.0 mm37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Turbo Boost TechnologyDiffers1.0No
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
CPU configuration (max)Known for one1
Physical Address Extension (PAE)Known for oneYes
Supported instruction setsKnown for oneSSE4.2
Audio1 differ
Audio systemDiffersHigh Definition AudioHD
Weight & dimensions4 differ
WidthDiffers167.9 mm160 mm
DepthDiffers455.3 mm355 mm
HeightDiffers450.2 mm392 mm
WeightDiffers13.5 kg10.5 kg
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Other featuresidentical
HDD user passwordKnown for oneYes

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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