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Product comparison · 2 pcs/workstations

HP 820 Intel® Xeon® E5 Family E5-2643 vs Lenovo E30 + LT2452p

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  • 97specifications compared
  • 50differ
  • 47identical
  • 57known for one product only

Key differences

  • Processor family
    • Intel® Xeon® E5 Family
    • Intel® Xeon® E3 Family
  • Processor model
    • E5-2643
    • E3-1220
  • Processor threads
    • 8
    • 4
  • Processor boost frequency
    • 3.5 GHz
    • 3.4 GHz
  • Processor frequency
    • 3.3 GHz
    • 3.1 GHz
  • Processor cache
    • 10 MB
    • 8 MB
  • Bus type
    • QPI
    • DMI
  • System bus rate
    • 8 GT/s
    • 5 GT/s

Side by side

Differences highlightedShow differences only
154 specifications
A

HP

820 Intel® Xeon® E5 Family E5-2643

Model 820

View product
B

Lenovo

E30 + LT2452pView product
Processor20 differ
Processor familyDiffersIntel® Xeon® E5 FamilyIntel® Xeon® E3 Family
Processor modelDiffersE5-2643E3-1220
Processor threadsDiffers84
Processor boost frequencyDiffers3.5 GHz3.4 GHz
Processor frequencyDiffers3.3 GHz3.1 GHz
Processor cacheDiffers10 MB8 MB
Bus typeDiffersQPIDMI
System bus rateDiffers8 GT/s5 GT/s
Processor seriesDiffersIntel Xeon E5-2600Intel Xeon E3-1200
Processor codenameDiffersSandy Bridge EPSandy Bridge
Thermal Design Power (TDP)Differs130 W80 W
TcaseDiffers73 °C69.1 °C
Maximum number of PCI Express lanesDiffers4020
PCI Express configurationsKnown for onex4, x8, x16
PCI Express slots versionDiffers3.02.0
Number of QPI linksKnown for one2
Number of processors installedDiffers21
Processor socketDiffersLGA 2011 (Socket R)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs3531
SteppingKnown for oneM1
Maximum internal memory supported by processorDiffers750 GB32 GB
Memory clock speeds supported by processorDiffers800,1066,1333,1600 MHz1066,1333 MHz
Memory bandwidth supported by processor (max)Differs51.2 GB/s21 GB/s
Memory5 differ
Internal memoryDiffers32 GB4 GB
Maximum internal memoryDiffers512 GB16 GB
Memory slotsDiffers16x DIMM3x DIMM
Memory clock speedDiffers1600 MHz1333 MHz
Memory channelsDiffersQuad-channelDual-channel
Memory layout (slots x size)Known for one2 x 2 GB
ECCKnown for oneYes
Storage2 differ
Total storage capacityKnown for one1 TB
Optical drive typeDiffersDVD Super MultiDVD-RW
Storage mediaKnown for oneHDD
Total HDDs capacityKnown for one1 TB
HDD capacityDiffers1 TB500 GB
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneMMC, SD, SDXC, SDHC
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1
Graphicsidentical
On-board graphics cardKnown for oneNo
Discrete graphics card modelKnown for oneNot available
On-board graphics card modelKnown for oneNot available
Performance1 differ
Motherboard chipsetDiffersIntel® C602Intel® C206
Optical driveidentical
Optical drives quantityKnown for one1
LightScribeKnown for oneNo
Networkidentical
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Wi-FiKnown for oneNo
Wi-Fi standardsKnown for oneNot supported
Networking featuresKnown for oneGigabit Ethernet (10/100/1000)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers58
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers40
HDMI ports quantityKnown for one0
Ethernet LAN (RJ-45) portsDiffers21
Combo headphone/mic portKnown for oneNo
Line-outKnown for oneYes
Line-inKnown for oneYes
DVI portKnown for oneNo
PS/2 ports quantityKnown for one2
Firewire (IEEE 1394) portsKnown for one2
S/PDIF out portKnown for oneNo
DC-in jackKnown for oneNo
SmartCard slotKnown for oneNo
Serial ports quantityDiffers10
DisplayPorts quantityKnown for one1
VGA (D-Sub) ports quantityKnown for one1
Parallel ports quantityKnown for one0
Expansion slots2 differ
Number of 3.5" baysDiffers43
PCI Express x4 (Gen 2.x) slotsKnown for one1
PCI Express x4 (Gen 3.x) slotsKnown for one1
PCI Express x8 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one3
PCI slotsDiffers12
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
Power1 differ
Power supplyDiffers1125 W280 W
Design2 differ
Chassis typeDiffersMini TowerTower
Number of 5.25" baysDiffers32
Country of originKnown for oneChina
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one61 cm (24")
ResolutionKnown for one1920 x 1200 pixels
Processor special features8 differ
CPU configuration (max)Differs21
Graphics & IMC lithographyKnown for one32 nm
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionDiffers0.001.00
Intel Secure Key Technology versionKnown for one1.00
Intel TSX-NI versionKnown for one0.00
Intel® Secure KeyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Physical Address Extension (PAE)Known for one46 bit
Processor ARK IDDiffers6458752269
Processor package sizeDiffers52.5 x 45.0 mm37.5 x 37.5 mm
ScalabilityKnown for one2S
Intel® Smart Response TechnologyKnown for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® Smart CacheKnown for oneYes
Weight & dimensions4 differ
WidthDiffers203 mm175 mm
DepthDiffers525 mm420 mm
HeightDiffers444 mm412 mm
WeightDiffers19.5 kg14 kg
Packaging contentidentical
Keyboard includedKnown for oneYes
AC adapter includedKnown for oneNo
Audioidentical
Audio systemKnown for oneHD
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab

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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