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Product comparison · 2 laptops

Lenovo ThinkPad R400 Intel® Core™2 Duo P8700 vs Lenovo X61 Tablet

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  • 100specifications compared
  • 33differ
  • 67identical
  • 61known for one product only

Key differences

  • Display diagonal
    • 35.8 cm (14.1")
    • 30.7 cm (12.1")
  • Display resolution
    • 1280 x 800 pixels
    • 1024 x 768 pixels
  • Native aspect ratio
    • 16:10
    • 4:3
  • Processor model
    • P8700
    • L7500
  • Processor frequency
    • 2.53 GHz
    • 1.6 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • Processor front side bus
    • 1066 MHz
    • 800 MHz
  • Processor lithography
    • 45 nm
    • 65 nm

Side by side

Differences highlightedShow differences only
161 specifications
A

Lenovo

ThinkPad R400 Intel® Core™2 Duo P8700

Model R400

View product
B

Lenovo

X61 TabletView product
Designidentical
Product typeKnown for oneHybrid (2-in-1)
Product colourKnown for oneBlack
Form factorKnown for oneConvertible (Swivel)
Display3 differ
Display diagonalDiffers35.8 cm (14.1")30.7 cm (12.1")
Display resolutionDiffers1280 x 800 pixels1024 x 768 pixels
TouchscreenKnown for oneYes
Native aspect ratioDiffers16:104:3
Dual-screenKnown for oneNo
HD typeKnown for oneNot supported
Processor12 differ
Processor modelDiffersP8700L7500
Processor frequencyDiffers2.53 GHz1.6 GHz
Processor cacheDiffers3 MB4 MB
Processor front side busDiffers1066 MHz800 MHz
Processor lithographyDiffers45 nm65 nm
Processor seriesDiffersIntel Core 2 Duo P8000 SeriesIntel Core 2 Duo L7000 Series
Processor codenameDiffersPenrynMerom
Thermal Design Power (TDP)Differs25 W17 W
TjunctionDiffers105 °C100 °C
Number of Processing Die TransistorsDiffers410 M291 M
Processing Die sizeDiffers107 mm²143 mm²
CPU multiplier (bus/core ratio)Differs9.58
SteppingKnown for oneR0
Memory1 differ
Internal memoryDiffers3 GB1 GB
Memory clock speedKnown for one667 MHz
Memory layout (slots x size)Known for one1 x 1 GB
Memory slotsKnown for one2x SO-DIMM
Internal memory typeKnown for oneDDR3-SDRAM
Storage4 differ
Total storage capacityDiffers160 GB80 GB
HDD capacityDiffers160 GB80 GB
Optical drive typeDiffersDVD-ROMNo
Compatible memory cardsDiffersMMC, MS Pro, SD, SDHC, xDSD
Storage mediaKnown for oneHDD
Number of HDDs installedKnown for one1
HDD sizeKnown for one2.5"
Graphicsidentical
Graphics cardKnown for oneGMA X3100
On-board graphics cardKnown for oneYes
Discrete graphics cardKnown for oneNo
Discrete graphics card modelKnown for oneNot available
On-board graphics card familyKnown for oneIntel® GMA
On-board graphics card modelKnown for oneIntel® GMA 4500MHD
Audio1 differ
Audio systemDiffersHDAD1984 Codec
Number of built-in speakersKnown for one1
Built-in microphoneKnown for oneYes
Networkidentical
Networking featuresKnown for oneGigabit Ethernet
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces5 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
eSATA ports quantityKnown for one0
Docking connectorDiffersYesNo
ExpressCard slotDiffersYesNo
CardBus PCMCIA slots quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
SmartCard slotDiffersYesNo
Modem (RJ-11) portsKnown for one1
TV-in portKnown for oneNo
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
USB 1.1 ports quantityKnown for one0
Thunderbolt ports quantityKnown for one0
S/PDIF out portKnown for oneNo
Performanceidentical
Motherboard chipsetKnown for oneIntel® GM965
GPS (satellite)Known for oneNo
Keyboardidentical
Keyboard number of keysKnown for one89
Pointing deviceKnown for oneThinkPad UltraNav
Softwareidentical
Operating system architectureKnown for one32-bit
Drivers includedKnown for oneYes
Processor special features3 differ
Embedded options availableDiffersNoYes
Intel Trusted Execution TechnologyDiffersYesNo
Processor ARK IDDiffers3700629757
Processor codeKnown for oneSLGFE
Battery1 differ
Number of battery cellsDiffers68
Poweridentical
AC adapter powerKnown for one65 W
AC adapter input voltageKnown for one110 - 240 V
Security1 differ
Cable lock slotDiffersYesNo
Trusted Platform Module (TPM)Known for oneNo
Cable lock slot typeKnown for oneIBM
Operational conditions1 differ
Storage temperature (T-T)Known for one5 - 43 °C
Operating relative humidity (H-H)Differs30 - 80%8 - 80%
Storage relative humidity (H-H)Known for one5 - 95%
Operating altitudeKnown for one0 - 2438 m
Certificatesidentical
CertificationKnown for oneFCC, VCCI, CISPR22, UL 60950, CSA, NOM, SASO, IEC 60950, ACA, MPR-II, CE Mark, CCC, BSMI, CER
Weight & dimensions1 differ
WeightDiffers2.4 kg1.93 kg
WidthKnown for one274 mm
DepthKnown for one266.7 mm
Packaging contentidentical
Mouse includedKnown for oneNo
AC adapter includedKnown for oneYes
Other featuresidentical
Power requirementsKnown for one230 V
TV tuner integratedKnown for oneNo
Supplied AC adapter typeKnown for oneAC
Optical driveidentical
LightScribeKnown for oneNo

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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