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Product comparison · 2 laptops

Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz vs Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR

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  • 59specifications compared
  • 14differ
  • 45identical
  • 7known for one product only

Key differences

The Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR has 0.13 GHz more processor frequency than the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz (1.73 GHz vs 1.6 GHz). The Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR has 133 MHz more processor front side bus than the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz (533 MHz vs 400 MHz). The Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR has 0.25 GB more internal memory than the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz (0.5 GB vs 0.25 GB). Internal memory type: DDR-SDRAM on the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz, DDR2-SDRAM on the Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR. Graphics card interface: Direct AGP on the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz, PCI Express on the Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR.

  • Processor frequency
    • 1.6 GHz
    • 1.73 GHz
  • Processor front side bus
    • 400 MHz
    • 533 MHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Internal memory type
    • DDR-SDRAM
    • DDR2-SDRAM
  • Maximum graphics card memory
    • 0.064 GB
    • 0.128 GB
  • Graphics card interface
    • Direct AGP
    • PCI Express
  • CardBus PCMCIA slots quantity
    • 0
    • 1
  • CardBus PCMCIA slot type
    • No
    • Type II

Side by side

Differences highlightedShow differences only
66 specifications
A

Lenovo

TS ThinkPad R51 Pentium M 725 1.6GhzView product
B

Lenovo

TS ThinkPad R52 PM740 512 40 XPP AZB-FRView product
Processor2 differ
Processor frequencyDiffers1.6 GHz1.73 GHz
Processor front side busDiffers400 MHz533 MHz
Memory2 differ
Internal memoryDiffers0.25 GB0.5 GB
Internal memory typeDiffersDDR-SDRAMDDR2-SDRAM
Graphics2 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA 900
Maximum graphics card memoryDiffers0.064 GB0.128 GB
Graphics card interfaceDiffersDirect AGPPCI Express
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/BluetoothEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces2 differ
Docking connectorKnown for oneYes
CardBus PCMCIA slots quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
I/O portsKnown for one•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
Softwareidentical
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Adobe Acrobat Reader
Battery1 differ
Battery life (max)Differs4 h3.7 h
Weight & dimensions3 differ
WeightDiffers2.7 kg2.8 kg
HeightDiffers37 mm38 mm
Dimensions (WxDxH)Differs332 x 269 x 37 mm332 x 269 x 38 mm
Other features1 differ
Modem typeDiffersV.9256K V.92
Security featuresKnown for one•IBM Embedded Security Subsystem 2.0 •IBM Security Slot •Power-on password •Supervisor password •Hard disk drive password
Battery typeKnown for one6 cell Li-Ion battery pack

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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