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Product comparison · 2 laptops

Lenovo ThinkPad R51e Celeron M 370 vs Lenovo TS ThinkPad T43 PM 750 1.8GHz

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  • 54specifications compared
  • 16differ
  • 38identical
  • 12known for one product only

Key differences

  • Display diagonal
    • 38.1 cm (15")
    • 35.8 cm (14.1")
  • Processor frequency
    • 1.5 GHz
    • 1.86 GHz
  • Processor front side bus
    • 400 MHz
    • 533 MHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Discrete graphics card model
    • AMD Mobility Radeon X200
    • Intel® GMA 900
  • Maximum graphics card memory
    • 0.064 GB
    • 0.128 GB
  • Number of built-in speakers
    • 1
    • 2
  • CardBus PCMCIA slots quantity
    • 1
    • 2

Side by side

Differences highlightedShow differences only
66 specifications
A

Lenovo

ThinkPad R51e Celeron M 370View product
B

Lenovo

TS ThinkPad T43 PM 750 1.8GHzView product
Display1 differ
Display diagonalDiffers38.1 cm (15")35.8 cm (14.1")
Display resolution1024 x 768 pixels1024 x 768 pixels
Native aspect ratio4:34:3
Processor2 differ
Processor manufacturerIntelIntel
Processor familyKnown for oneIntel® Celeron® M
Processor frequencyDiffers1.5 GHz1.86 GHz
Processor front side busDiffers400 MHz533 MHz
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Maximum internal memory2 GB2 GB
Storageidentical
Total storage capacity40 GB40 GB
HDD speedKnown for one5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics2 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon X200Intel® GMA 900
Maximum graphics card memoryDiffers0.064 GB0.128 GB
Graphics card interfacePCI ExpressPCI Express
Audio1 differ
Audio systemKnown for oneSoundMAX
Number of built-in speakersDiffers12
Cameraidentical
Front cameraKnown for oneNo
Optical driveidentical
CD read speed24x24x
CD write speed24x24x
CD rewrite speed24x24x
DVD read speed8x8x
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces2 differ
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports11
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports00
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorNoNo
CardBus PCMCIA slots quantityDiffers12
CardBus PCMCIA slot typeType IIType II
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-in portNoNo
TV-outDiffersNoYes
PS/2 ports quantity00
Parallel ports quantity11
Serial ports quantity00
USB 1.1 ports quantity00
TV-out typeKnown for oneS-Video
Keyboard1 differ
Pointing deviceDiffersTrackpadThinkPad UltraNav
Software1 differ
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareDiffersDrive Letter Access (DLA), PC-Doctor Windows, Symantec Client Security 3.0 (with 90 days of virus definitions), ThinkPad Configuration Utility, ThinkVantage Client Security Software, ThinkVantage Productivity Center, ThinkVantage Rescue and Recovery, Adobe Acrobat ReaderAccess Program, ThinkVantage Access Connections, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, PC-Doctor, Ado
Batteryidentical
Number of battery cells66
Battery life (max)4 h4 h
Poweridentical
DC-in jackYesYes
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM
Weight & dimensions2 differ
WeightDiffers2.8 kg2.1 kg
WidthKnown for one332 mm
DepthKnown for one269 mm
HeightKnown for one37 mm
Dimensions (WxDxH)Differs332 x 269 x 37 mm311 x 255 x 27 mm
Hard drive1 differ
Storage drive typeDiffersPATAATA-100 (Enhanced IDE)
Other features1 differ
Infrared data portDiffersNoYes
Wake-on-LAN readyNoNo
Wake-on-Ring readyNoNo
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeACAC
Security featuresKnown for one-Supervisor password -Security lock slot -Integrated fingerprint reader -Power-on password -Embedded Security Subsystem 2.0 -Hard disk drive password

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