All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 laptops

Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++) vs Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP

Add a product
  • 29specifications compared
  • 7differ
  • 22identical
  • 4known for one product only

Key differences

The Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP has 0.1 GHz more processor frequency than the Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++) (1.6 GHz vs 1.5 GHz). The Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP has 1 more built-in speakers than the Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++) (2 vs 1). Compatible operating systems: Microsoft Windows XP Home Edition on the Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++), Microsoft Windows XP Professional on the Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP. Dimensions (WxDxH): 332 x 269 x 38 mm on the Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++), 332 x 269 x 37 mm on the Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP.

  • Processor frequency
    • 1.5 GHz
    • 1.6 GHz
  • Number of built-in speakers
    • 1
    • 2
  • Dimensions (WxDxH)
    • 332 x 269 x 38 mm
    • 332 x 269 x 37 mm

Side by side

Differences highlightedShow differences only
33 specifications
A

Lenovo

IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++)View product
B

Lenovo

ThinkPad R51 PM 1600 256MB 40GB WXPPView product
Displayidentical
Display diagonal38.1 cm (15")38.1 cm (15")
Display resolution1024 x 768 pixels1024 x 768 pixels
Native aspect ratio4:34:3
Contrast ratio (typical)750:1750:1
Processor1 differ
Processor manufacturerIntelIntel
Processor frequencyDiffers1.5 GHz1.6 GHz
Processor front side bus400 MHz400 MHz
Memoryidentical
Internal memory0.25 GB0.25 GB
Internal memory typeKnown for oneDDR-SDRAM
Storageidentical
Total storage capacity40 GB40 GB
HDD speed5400 RPM5400 RPM
Graphicsidentical
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDirect AGPDirect AGP
Audio1 differ
Number of built-in speakersDiffers12
Optical driveidentical
CD read speed24x24x
CD write speed24x24x
CD rewrite speed24x24x
DVD read speed8x8x
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces1 differ
I/O portsDiffers-1 (EPP) -AC adapter -External microphone -External Display -Headphone/Line out -RJ-11 -RJ-45 -2 USB 2.0-S-Video out -2 USB 2.0 -RJ-45 -Parallel -RJ-11 -Headphone/Line out -Infrared -IEEE 1394 -Line in -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display, USB, parallel, RJ-11, RJ-45, FIR, IEEE 1394
Keyboardidentical
Keyboard typeFull sizeFull size
Software1 differ
Compatible operating systemsDiffersMicrosoft Windows XP Home EditionMicrosoft Windows XP Professional
Batteryidentical
Battery life (max)4 h4 h
Weight & dimensions1 differ
WeightKnown for one3 kg
Dimensions (WxDxH)Differs332 x 269 x 38 mm332 x 269 x 37 mm
WidthKnown for one332 mm
DepthKnown for one269 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other features1 differ
Security featuresDiffers-Hard disk drive password -IBM Security Slot -Power-on password -Supervisor password-IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password -Hard disk drive password
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeACAC

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.

More laptop comparisons

All laptop comparisons