Product comparison · 2 laptops

Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE vs Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz

58specifications compared
11differ
47identical
7known for one product only

Key differences

The Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE has 0.1 GHz more processor frequency than the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz (1.7 GHz vs 1.6 GHz). The Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE 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). The Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz has 1,200 RPM more HDD speed than the Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE (5400 RPM vs 4200 RPM). Display diagonal: 35.8 cm (14.1") on the Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE, 38.1 cm (15") on the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz. Dimensions (WxDxH): 314 x 260 x 34 mm on the Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE, 332 x 269 x 37 mm on the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz.

Display diagonal
- ThinkPad R51 PM 735 512MB 40GB WXP BE:35.8 cm (14.1")
- TS ThinkPad R51 Pentium M 725 1.6Ghz:38.1 cm (15")
Processor frequency
- ThinkPad R51 PM 735 512MB 40GB WXP BE:1.7 GHz
- TS ThinkPad R51 Pentium M 725 1.6Ghz:1.6 GHz
Internal memory
- ThinkPad R51 PM 735 512MB 40GB WXP BE:0.5 GB
- TS ThinkPad R51 Pentium M 725 1.6Ghz:0.25 GB
HDD speed
- ThinkPad R51 PM 735 512MB 40GB WXP BE:4200 RPM
- TS ThinkPad R51 Pentium M 725 1.6Ghz:5400 RPM
VGA (D-Sub) ports quantity
- ThinkPad R51 PM 735 512MB 40GB WXP BE:0
- TS ThinkPad R51 Pentium M 725 1.6Ghz:1
Width
- ThinkPad R51 PM 735 512MB 40GB WXP BE:314 mm
- TS ThinkPad R51 Pentium M 725 1.6Ghz:332 mm
Depth
- ThinkPad R51 PM 735 512MB 40GB WXP BE:260 mm
- TS ThinkPad R51 Pentium M 725 1.6Ghz:269 mm
Height
- ThinkPad R51 PM 735 512MB 40GB WXP BE:34 mm
- TS ThinkPad R51 Pentium M 725 1.6Ghz:37 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R51 PM 735 512MB 40GB WXP BE, TS ThinkPad R51 Pentium M 725 1.6Ghz
65 specifications	A Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE View product	B Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz View product
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	38.1 cm (15")
Contrast ratio (typical)Known for one	Unknown — not stated by the source	750:1
Processor1 differ
Processor frequencyDiffers	1.7 GHz	1.6 GHz
Memory1 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Storage1 differ
HDD speedDiffers	4200 RPM	5400 RPM
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers	0	1
I/O portsKnown for one	Unknown — not stated by the source	•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
Docking connectorKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	314 mm	332 mm
DepthDiffers	260 mm	269 mm
HeightDiffers	34 mm	37 mm
Dimensions (WxDxH)Differs	314 x 260 x 34 mm	332 x 269 x 37 mm
Other features1 differ
Security featuresKnown for one	Unknown — not stated by the source	•IBM Embedded Security Subsystem 2.0 •IBM Security Slot •Power-on password •Supervisor password •Hard disk drive password
Battery typeKnown for one	Unknown — not stated by the source	6 cell Li-Ion battery pack
Modem typeDiffers	56K V.92	V.92
Wake-on-LAN readyKnown for one	No	Unknown — not stated by the source
Wake-on-Ring readyKnown for one	No	Unknown — not stated by the source

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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