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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A58 + ThinkVision L1951P vs Lenovo ThinkStation E20 + ThinkVision L197

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  • 82specifications compared
  • 39differ
  • 43identical
  • 54known for one product only

Key differences

  • Processor family
    • Intel® Pentium®
    • Intel® Core™ i5
  • Processor model
    • E5400
    • i5-650
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.7 GHz
    • 3.2 GHz
  • Processor cache
    • 2 MB
    • 4 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Bus type
    • FSB
    • DMI
  • Processor lithography
    • 45 nm
    • 32 nm

Side by side

Differences highlightedShow differences only
136 specifications
A

Lenovo

ThinkCentre A58 + ThinkVision L1951PView product
B

Lenovo

ThinkStation E20 + ThinkVision L197View product
Processor17 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Core™ i5
Processor modelDiffersE5400i5-650
Processor cores22
Processor threadsDiffers24
Processor frequencyDiffers2.7 GHz3.2 GHz
Processor cacheDiffers2 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor front side busKnown for one800 MHz
Bus typeDiffersFSBDMI
FSB ParityNoNo
Processor lithographyDiffers45 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Pentium E5000 Series for DesktopIntel Core i5-600 Desktop Series
Processor codenameDiffersWolfdaleClarkdale
Thermal Design Power (TDP)Differs45, 6573 W
TcaseDiffers74.1 °C72.6 °C
Number of processors installedKnown for one1
Processor socketDiffersLGA 775 (Socket T)LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers228 M382 M
Processing Die sizeDiffers82 mm²81 mm²
CPU multiplier (bus/core ratio)Differs13.524
SteppingDiffersR0C2
ECC supported by processorNoNo
Processor generationKnown for oneIntel® Core™ i5
Processor boost frequencyKnown for one3.46 GHz
System bus rateKnown for one2.5 GT/s
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2.0
Maximum internal memory supported by processorKnown for one16 GB
Memory types supported by processorKnown for oneDDR3 1066/1333
Memory bandwidth supported by processor (max)Known for one21 GB/s
Memory5 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers4 GB16 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs1 x 2 GB2 x 2 GB
Memory clock speedDiffers667 MHz1333 MHz
Memory channelsKnown for oneDual-channel
Storageidentical
Total storage capacityKnown for one320 GB
Optical drive typeKnown for oneDVD-RW
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedNoNo
Floppy drive installedKnown for oneNo
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
Graphicsidentical
On-board graphics cardYesYes
Discrete graphics card modelKnown for oneIntel® GMA X4500
Graphics card familyKnown for oneIntel
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one733 MHz
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneIntel® 3450
Networkidentical
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantity88
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-outKnown for oneYes
Line-inKnown for oneYes
Microphone inYesYes
VGA (D-Sub) ports quantity11
DVI portKnown for oneNo
PS/2 ports quantity22
Firewire (IEEE 1394) portsDiffers02
Serial ports quantity11
Parallel ports quantityKnown for one1
eSATA ports quantityKnown for one1
Expansion slotsidentical
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
Power1 differ
Power supplyDiffers450 W280 W
Power supply typeKnown for one100 - 240 VAC, 50/60 Hz
Designidentical
Chassis typeTowerTower
Product colourKnown for oneBlack
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Optional operating system suppliedKnown for oneWindows XP Professional
Displayidentical
Display includedYesYes
Display diagonal48.3 cm (19")48.3 cm (19")
Display resolutionKnown for one1440 x 900 pixels
TouchscreenKnown for oneNo
ResolutionKnown for one1440 x 900 pixels
Processor special features12 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyDiffersNoYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
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)DiffersNoYes
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 TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers4047843546
Processor codeKnown for oneSLGH7
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Graphics & IMC lithographyKnown for one45 nm
Physical Address Extension (PAE)Known for one36 bit
Supported instruction setsKnown for oneSSE4.2
Audioidentical
Audio systemRealtek ALC662Realtek ALC662
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °C
Storage temperature (T-T)Known for one-10 - 60 °C
Operating relative humidity (H-H)Known for one10 - 80%
Non-operating relative humidity (non-condensing)Known for one10 - 90%
Weight & dimensions2 differ
Width175 mm175 mm
DepthDiffers442 mm430.8 mm
HeightDiffers412 mm425.2 mm
WeightKnown for one11.2 kg
Packaging contentidentical
Remote control includedKnown for oneNo
Other featuresidentical
TV tuner integratedKnown for oneNo
Drive baysKnown for one3x 3.5", 2x 5.25"

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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