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Product comparison · 2 pcs/workstations

Lenovo A70 + ThinkVision L2021 vs Lenovo C20 + ThinkVision L2461x

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  • 78specifications compared
  • 37differ
  • 41identical
  • 56known for one product only

Key differences

The Lenovo C20 + ThinkVision L2461x has 2 more processor cores than the Lenovo A70 + ThinkVision L2021 (4 vs 2). The Lenovo C20 + ThinkVision L2461x has 2 more processor threads than the Lenovo A70 + ThinkVision L2021 (4 vs 2). The Lenovo A70 + ThinkVision L2021 has 0.67 GHz more processor frequency than the Lenovo C20 + ThinkVision L2461x (2.93 GHz vs 2.26 GHz). Only the Lenovo C20 + ThinkVision L2461x has ECC supported by processor. Only the Lenovo C20 + ThinkVision L2461x has Intel Demand Based Switching.

  • Processor family
    • Intel® Core™2 Duo
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • E7500
    • E5507
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.93 GHz
    • 2.26 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Bus type
    • FSB
    • QPI

Side by side

Differences highlightedShow differences only
134 specifications
A

Lenovo

A70 + ThinkVision L2021View product
B

Lenovo

C20 + ThinkVision L2461xView product
Processor16 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™2 DuoIntel® Xeon® 5000 Sequence
Processor modelDiffersE7500E5507
Processor coresDiffers24
Processor threadsDiffers24
Processor frequencyDiffers2.93 GHz2.26 GHz
Processor cacheDiffers3 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor front side busKnown for one1066 MHz
Bus typeDiffersFSBQPI
FSB ParityNoNo
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core 2 Duo E7000 SeriesIntel Xeon 5500 Series
Processor codenameDiffersWolfdaleNehalem EP
Thermal Design Power (TDP)Differs65 W80 W
TcaseDiffers74.1 °C76 °C
Number of processors installedDiffers12
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one228 M
Processing Die sizeKnown for one82 mm²
CPU multiplier (bus/core ratio)Known for one11
PlatformKnown for onePC
SteppingDiffersR0D0
ECC supported by processorDiffersNoYes
System bus rateKnown for one4.8 GT/s
Number of QPI linksKnown for one2
Maximum internal memory supported by processorKnown for one144 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800 MHz
Memory bandwidth supported by processor (max)Known for one19.2 GB/s
Memory3 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers4 GB96 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slotsKnown for one2x DIMM
Memory clock speedDiffers1066 MHz1333 MHz
Memory layout (slots x size)Known for one2 x 2 GB
ECCKnown for oneYes
Memory channelsKnown for oneTriple-channel
Storageidentical
Total storage capacityKnown for one320 GB
Optical drive typeDVD-RWDVD-RW
Number of HDDs installed11
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedNoNo
HDD capacityKnown for one500 GB
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel X4500
Graphics card familyKnown for oneIntel
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneIntel® 5520
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 EthernetGigabit Ethernet (10/100/1000)
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers610
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantityKnown for one0
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Line-inKnown for oneYes
Microphone inYesYes
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
PS/2 ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
Serial ports quantityKnown for one1
Parallel ports quantityKnown for one0
Expansion slotsidentical
Number of 3.5" baysKnown for one1
PCI Express x1 slotsKnown for one2
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one1
Power1 differ
Power supply typeKnown for oneAC
Power requirementsKnown for one100-240V
Power supplyDiffers180 W800 W
Design1 differ
Chassis typeDiffersSFFTower
Number of 5.25" baysKnown for one1
Product colourBlackBlack
Rack mountingKnown for oneYes
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architectureKnown for one32-bit
Display1 differ
Display includedYesYes
Display diagonalDiffers50.8 cm (20")59.9 cm (23.6")
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 TFT
ResolutionKnown for one1920 x 1080 pixels
Processor special features7 differ
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingDiffersNoYes
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)Differs2Yes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers3650337100
Processor codeDiffersSLB9ZSLBKC
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Audio1 differ
Audio systemDiffersRealtek HDADI 1988A
Weight & dimensions4 differ
WidthDiffers97 mm130 mm
DepthDiffers368 mm444 mm
HeightDiffers333 mm427 mm
WeightDiffers6.5 kg18.5 kg
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, 802.3u, 802.3ab
Other featuresidentical
HDD user passwordKnown for oneYes

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