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Product comparison · 2 pcs/workstations

HP 820 Intel® Xeon® E5 Family E5-2643 vs Lenovo M91p + L197

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  • 108specifications compared
  • 63differ
  • 45identical
  • 58known for one product only

Key differences

  • Processor family
    • Intel® Xeon® E5 Family
    • Intel® Core™ i5
  • Processor model
    • E5-2643
    • i5-2400
  • 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
    • 6 MB
  • Bus type
    • QPI
    • DMI
  • System bus rate
    • 8 GT/s
    • 5 GT/s

Side by side

Differences highlightedShow differences only
166 specifications
A

HP

820 Intel® Xeon® E5 Family E5-2643

Model 820

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B

Lenovo

M91p + L197View product
Processor21 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Xeon® E5 FamilyIntel® Core™ i5
Processor modelDiffersE5-2643i5-2400
Processor cores44
Processor threadsDiffers84
Processor boost frequencyDiffers3.5 GHz3.4 GHz
Processor frequencyDiffers3.3 GHz3.1 GHz
Processor cacheDiffers10 MB6 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDiffersQPIDMI
FSB ParityNoNo
System bus rateDiffers8 GT/s5 GT/s
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Xeon E5-2600Intel Core i5-2400 Desktop Series
Processor codenameDiffersSandy Bridge EPSandy Bridge
Thermal Design Power (TDP)Differs130 W95 W
TcaseDiffers73 °C72.6 °C
Maximum number of PCI Express lanesDiffers4016
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 types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066,1333,1600 MHz1066,1333 MHz
Memory bandwidth supported by processor (max)Differs51.2 GB/s21 GB/s
ECC supported by processorDiffersYesNo
Processor generationKnown for one2nd gen Intel® Core™ i5
Memory5 differ
Internal memoryDiffers32 GB4 GB
Maximum internal memoryDiffers512 GB16 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slotsDiffers16x DIMM4x DIMM
Memory clock speedDiffers1600 MHz1333 MHz
Memory channelsDiffersQuad-channelDual-channel
Storage3 differ
Total storage capacityDiffers1 TB500 GB
Optical drive typeDiffersDVD Super MultiDVD-RW
Storage mediaKnown for oneHDD
Total HDDs capacityKnown for one1 TB
Number of HDDs installed11
HDD capacityDiffers1 TB500 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneMMC, SD, SDXC, SDHC
RAID levelsKnown for one0, 1
Graphics2 differ
On-board graphics cardDiffersNoYes
Discrete graphics card modelKnown for oneNot available
On-board graphics card modelDiffersNot availableIntel® HD Graphics 2000
On-board graphics card familyKnown for oneIntel® HD Graphics
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
On-board graphics card IDKnown for one0x102
Graphics card familyKnown for oneIntel
Performance2 differ
Product typeDiffersWorkstationPC
Motherboard chipsetDiffersIntel® C602Intel® Q67 Express
Optical driveidentical
Optical drives quantityKnown for one1
LightScribeKnown for oneNo
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
Wi-Fi standardsKnown for oneNot supported
Cabling technologyKnown for one10/100/1000Base-T(X)
Wake-on-LAN readyKnown for oneYes
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers58
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one4
HDMI ports quantity00
Ethernet LAN (RJ-45) portsDiffers21
Combo headphone/mic portKnown for oneNo
Headphone outputs11
Line-outYesYes
Line-inYesYes
Microphone inYesYes
DVI portNoNo
PS/2 ports quantityKnown for one2
Firewire (IEEE 1394) portsDiffers20
S/PDIF out portKnown for oneNo
DC-in jackDiffersNoYes
SmartCard slotKnown for oneNo
Serial ports quantity11
DisplayPorts quantityKnown for one1
VGA (D-Sub) ports quantityKnown for one1
Expansion slots2 differ
Number of 3.5" baysDiffers42
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" baysDiffers31
Product colourBlackBlack
Country of originKnown for oneChina
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one48.3 cm (19")
Display number of coloursKnown for one16.78 million colours
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one176°
Viewing angle, verticalKnown for one176°
Processor special features16 differ
CPU configuration (max)Differs21
Embedded options availableDiffersNoYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one32 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingDiffersYesNo
Intel Dual Display Capable TechnologyDiffersNoYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionDiffers0.001.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology versionKnown for one1.00
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® Secure KeyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)Known for one46 bit
Processor ARK IDDiffers6458752207
Processor package sizeDiffers52.5 x 45.0 mm37.5 x 37.5 mm
ScalabilityKnown for one2S
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Intel® Smart Response TechnologyKnown for oneNo
Intel® Turbo Boost Technology2.02.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Weight & dimensions4 differ
WidthDiffers203 mm175 mm
DepthDiffers525 mm442 mm
HeightDiffers444 mm414 mm
WeightDiffers19.5 kg11 kg
Packaging contentidentical
Mouse includedYesYes
Keyboard includedKnown for oneYes
AC adapter includedKnown for oneNo
Audioidentical
Audio systemKnown for oneHD
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional

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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