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Product comparison · 2 laptops

Lenovo 4x SL510 vs Lenovo ThinkPad X121e E-350

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  • 53specifications compared
  • 15differ
  • 38identical
  • 56known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 29.5 cm (11.6")
  • Processor model
    • T3500
    • E-350
  • Processor frequency
    • 2.1 GHz
    • 1.6 GHz
  • Internal memory
    • 2 GB
    • 4 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • Optical drive type
    • DVD-RW
    • No
  • Discrete graphics card model
    • Intel® GMA 4500MHD
    • AMD Radeon HD 6310M
  • Graphics card family
    • Intel
    • AMD

Side by side

Differences highlightedShow differences only
109 specifications
A

Lenovo

4x SL510View product
B

Lenovo

ThinkPad X121e E-350

Model X121e

View product
Display1 differ
Display diagonalDiffers39.6 cm (15.6")29.5 cm (11.6")
Display brightnessKnown for one220 cd/m²
Processor2 differ
Processor manufacturerKnown for oneIntel
Processor familyKnown for oneIntel® Celeron®
Processor modelDiffersT3500E-350
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers2.1 GHz1.6 GHz
Processor front side busKnown for one800 MHz
Processor socketKnown for oneSocket 478
Processor lithographyKnown for one45 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Celeron Processor T3000 Series for Mobile
Processor codenameKnown for onePenryn
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
SteppingKnown for oneR0
Thermal Design Power (TDP)Known for one35 W
Number of Processing Die TransistorsKnown for one410 M
Processing Die sizeKnown for one107 mm²
ECC supported by processorKnown for oneNo
Memory1 differ
Internal memoryDiffers2 GB4 GB
Storage3 differ
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersDVD-RWNo
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, SDHC, xDMemory Stick (MS), MMC, MS PRO, SD
Graphics2 differ
Discrete graphics card modelDiffersIntel® GMA 4500MHDAMD Radeon HD 6310M
Graphics card familyDiffersIntelAMD
Audioidentical
Number of built-in speakersKnown for one2
Networkidentical
Wi-Fi standardsKnown for oneWi-Fi 4 (802.11n)
Ports & interfaces1 differ
eSATA/USB 2.0 ports quantityKnown for one1
ExpressCard slotDiffersYesNo
Performance1 differ
Motherboard chipsetDiffersIntel® GM45 ExpressAMD A50M
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneNo
Execute Disable BitKnown for oneNo
Intel 64Known for oneNo
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneNo
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Processor ARK IDKnown for one42104
Processor codeKnown for oneSLGJV
Thermal Monitoring TechnologiesKnown for oneNo
Conflict-Free processorKnown for oneNo
Battery1 differ
Battery life (max)Differs4 h8.2 h
Weight & dimensions3 differ
WeightDiffers2.56 kg1.4 kg
WidthDiffers380 mm289.6 mm
DepthDiffers247 mm208 mm
Height (front)Known for one3.2 cm
Height (rear)Known for one3.6 cm
HeightKnown for one23.5 mm
Other featuresidentical
Supplied AC adapter typeKnown for oneAC
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP

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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