Product comparison · 2 laptops

Lenovo ThinkPad R51e vs Lenovo ThinkPad R52 PM 760 2.0GHz

52specifications compared
18differ
34identical
15known for one product only

Key differences

Processor frequency
- ThinkPad R51e:1.5 GHz
- ThinkPad R52 PM 760 2.0GHz:2 GHz
Processor front side bus
- ThinkPad R51e:400 MHz
- ThinkPad R52 PM 760 2.0GHz:533 MHz
Internal memory
- ThinkPad R51e:0.25 GB
- ThinkPad R52 PM 760 2.0GHz:0.5 GB
Total storage capacity
- ThinkPad R51e:40 GB
- ThinkPad R52 PM 760 2.0GHz:60 GB
HDD interface
- ThinkPad R51e:EIDE/ATA
- ThinkPad R52 PM 760 2.0GHz:Ultra-ATA/100
Discrete graphics card model
- ThinkPad R51e:AMD Radeon Xpress 200M
- ThinkPad R52 PM 760 2.0GHz:Intel® GMA 900
Maximum graphics card memory
- ThinkPad R51e:0.064 GB
- ThinkPad R52 PM 760 2.0GHz:0.128 GB
Number of built-in speakers
- ThinkPad R51e:1
- ThinkPad R52 PM 760 2.0GHz:2

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R51e, ThinkPad R52 PM 760 2.0GHz
67 specifications	A Lenovo ThinkPad R51e View product	B Lenovo ThinkPad R52 PM 760 2.0GHz View product
Displayidentical
Display diagonal	38.1 cm (15")	38.1 cm (15")
Display resolution	1024 x 768 pixels	1024 x 768 pixels
Native aspect ratio	4:3	4:3
Processor2 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyKnown for one	Intel® Celeron® M	Unknown — not stated by the source
Processor frequencyDiffers	1.5 GHz	2 GHz
Processor cacheKnown for one	1 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side busDiffers	400 MHz	533 MHz
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Maximum internal memory	2 GB	2 GB
Storage2 differ
Total storage capacityDiffers	40 GB	60 GB
HDD interfaceDiffers	EIDE/ATA	Ultra-ATA/100
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon Xpress 200M	Intel® GMA 900
Maximum graphics card memoryDiffers	0.064 GB	0.128 GB
Graphics card interfaceKnown for one	Unknown — not stated by the source	PCI Express
Audio1 differ
Audio system	SoundMAX	SoundMAX
Number of built-in speakersDiffers	1	2
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Optical driveidentical
CD read speed	24x	24x
CD write speed	24x	24x
CD rewrite speed	24x	24x
DVD read speed	8x	8x
Network2 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11b/IEEE 802.11g	IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces3 differ
USB 2.0 ports quantity	2	2
Ethernet LAN (RJ-45) ports	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
CardBus PCMCIA slots quantity	1	1
CardBus PCMCIA slot typeDiffers	Type III	Type II
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-outDiffers	No	Yes
PS/2 ports quantity	0	0
Parallel ports quantity	1	1
Serial ports quantity	0	0
USB 1.1 ports quantity	0	0
TV-out typeKnown for one	Unknown — not stated by the source	S-Video
Keyboard1 differ
Pointing deviceDiffers	Trackpad	ThinkPad UltraNav
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareDiffers	Drive 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 Reader	Access Program; ThinkVantage Access Connections; ThinkVantage Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades; PC Doctor diagnostics, Adobe Acrobat Reader
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	4 h	Unknown — not stated by the source
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	IBM	Kensington
Weight & dimensions1 differ
Weight	2.8 kg	2.8 kg
WidthKnown for one	332 mm	Unknown — not stated by the source
DepthKnown for one	269 mm	Unknown — not stated by the source
HeightKnown for one	37 mm	Unknown — not stated by the source
Dimensions (WxDxH)Differs	332 x 269 x 37 mm	332 x 269 x 38 mm
Other features1 differ
Infrared data portDiffers	No	Yes
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	V.92	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Poweridentical
DC-in jackKnown for one	Unknown — not stated by the source	Yes

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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