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Product comparison · 2 pcs/workstations

Lenovo E71 + ThinkVision LS2221 vs Lenovo E71 + ThinkVision LT2252p

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  • 136specifications compared
  • 4differ
  • 132identical
  • 1known for one product only

Key differences

Display diagonal: 54.6 cm (21.5") on the Lenovo E71 + ThinkVision LS2221, 55.9 cm (22") on the Lenovo E71 + ThinkVision LT2252p. Display resolution: 1920 x 1080 pixels on the Lenovo E71 + ThinkVision LS2221, 1680 x 1050 pixels on the Lenovo E71 + ThinkVision LT2252p. Native aspect ratio: 16:9 on the Lenovo E71 + ThinkVision LS2221, 16:10 on the Lenovo E71 + ThinkVision LT2252p. Display: LCD on the Lenovo E71 + ThinkVision LS2221, LED on the Lenovo E71 + ThinkVision LT2252p.

  • Display diagonal
    • 54.6 cm (21.5")
    • 55.9 cm (22")
  • Display resolution
    • 1920 x 1080 pixels
    • 1680 x 1050 pixels
  • Native aspect ratio
    • 16:9
    • 16:10
  • Display
    • LCD
    • LED

Side by side

Differences highlightedShow differences only
137 specifications
A

Lenovo

E71 + ThinkVision LS2221View product
B

Lenovo

E71 + ThinkVision LT2252pView product
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Pentium®Intel® Pentium®
Processor modelG840G840
Processor cores22
Processor threads22
Processor frequency2.8 GHz2.8 GHz
Processor cache3 MB3 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDMIDMI
System bus rate5 GT/s5 GT/s
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor codenameSandy BridgeSandy Bridge
Thermal Design Power (TDP)65 W65 W
Tcase69.1 °C69.1 °C
PCI Express slots version2.02.0
Number of processors installed11
Processor socketLGA 1155 (Socket H2)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)2828
Maximum number of SMP processors11
PlatformPCPC
SteppingQ0Q0
Maximum internal memory supported by processor32 GB32 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processor1066,1333 MHz1066,1333 MHz
Memory bandwidth supported by processor (max)21 GB/s21 GB/s
Memoryidentical
Internal memory2 GB2 GB
Maximum internal memory8 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)1 x 2 GB1 x 2 GB
Memory channelsDual-channelDual-channel
Storageidentical
Total storage capacity320 GB320 GB
Optical drive typeDVD-RWDVD-RW
Number of HDDs installed11
HDD capacity320 GB320 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
Card reader integratedNoNo
Floppy drive installedNoNo
Graphicsidentical
On-board graphics cardYesYes
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD GraphicsIntel® HD Graphics
Number of displays supported (on-board graphics)22
On-board graphics card base frequency850 MHz850 MHz
On-board graphics card dynamic frequency (max)1100 MHz1100 MHz
Graphics card familyIntelIntel
Performanceidentical
Product typePCPC
Motherboard chipsetIntel® H61Intel® H61
Optical driveidentical
LightScribeNoNo
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Wi-FiNoNo
Wake-on-LAN readyYesYes
Copper ethernet cabling technology1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T
Ethernet interface typeGigabit EthernetGigabit Ethernet
Networking featuresGigabit EthernetGigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity66
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
HDMI ports quantity00
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Line-outYesYes
Line-inYesYes
Microphone inYesYes
VGA (D-Sub) ports quantity11
DVI portYesYes
PS/2 ports quantity00
Firewire (IEEE 1394) ports00
Serial ports quantity00
Parallel ports quantity00
Headphone connectivity3.5 mm3.5 mm
Microphone connectivity3.5 mm3.5 mm
USB connector typeUSB Type-AUSB Type-A
Expansion slotsidentical
Number of 3.5" bays11
PCI Express x1 slots11
PCI Express x16 slots11
Poweridentical
Power supply typeAC/DCAC/DC
Power supply180 W180 W
Designidentical
Chassis typeSFFSFF
Number of 5.25" bays11
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Product colourBlackBlack
External drive bays1 x 5.25"1 x 5.25"
Internal drive bays1 x 3.5"1 x 3.5"
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Mac compatibilityNoNo
Display4 differ
Display includedYesYes
Display diagonalDiffers54.6 cm (21.5")55.9 cm (22")
Display typeLEDLED
Display resolutionDiffers1920 x 1080 pixels1680 x 1050 pixels
Native aspect ratioDiffers16:916:10
Contrast ratio (typical)1000:11000:1
Display number of coloursKnown for one16.78 million colours
TouchscreenNoNo
Display brightness250 cd/m²250 cd/m²
Viewing angle, horizontal170°170°
Viewing angle, vertical160°160°
DisplayDiffersLCDLED
Processor special featuresidentical
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK ID5349053490
Processor codeSR05PSR05P
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Supported instruction setsSSE4.1, SSE4.2SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyNoNo
Audioidentical
Audio systemRealtek ALC662Realtek ALC662
Ergonomicsidentical
Plug and PlayYesYes
Weight & dimensionsidentical
Width333 mm333 mm
Depth368 mm368 mm
Height99 mm99 mm
Weight6 kg6 kg
Certificatesidentical
Compliance industry standardsIEEE 802.3, IEEE 802.3u, IEEE 802.3abIEEE 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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