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

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  • 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
    • IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++):1.5 GHz
    • ThinkPad R51 PM 1600 256MB 40GB WXPP:1.6 GHz
  • Number of built-in speakers
    • IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++):1
    • ThinkPad R51 PM 1600 256MB 40GB WXPP:2
  • Dimensions (WxDxH)
    • IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++):332 x 269 x 38 mm
    • ThinkPad R51 PM 1600 256MB 40GB WXPP:332 x 269 x 37 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++), ThinkPad R51 PM 1600 256MB 40GB WXPP
33 specifications
Processor1 differ
Processor frequencyDiffers1.5 GHz1.6 GHz
Memoryidentical
Internal memory typeKnown for oneDDR-SDRAMUnknown — not stated by the source
Audio1 differ
Number of built-in speakersDiffers12
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
Software1 differ
Compatible operating systemsDiffersMicrosoft Windows XP Home EditionMicrosoft Windows XP Professional
Weight & dimensions1 differ
WeightKnown for one3 kgUnknown — not stated by the source
Dimensions (WxDxH)Differs332 x 269 x 38 mm332 x 269 x 37 mm
WidthKnown for oneUnknown — not stated by the source332 mm
DepthKnown for oneUnknown — not stated by the source269 mm
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

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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