Product comparison · 2 laptops

Lenovo ThinkPad R61e vs Lenovo ThinkPad X61s (7666-3EG), BE

58specifications compared
26differ
32identical
59known for one product only

Key differences

Display diagonal
- ThinkPad R61e:39.1 cm (15.4")
- ThinkPad X61s (7666-3EG), BE:30.7 cm (12.1")
Display resolution
- ThinkPad R61e:1280 x 800 pixels
- ThinkPad X61s (7666-3EG), BE:1024 x 768 pixels
Native aspect ratio
- ThinkPad R61e:16:10
- ThinkPad X61s (7666-3EG), BE:4:3
Processor family
- ThinkPad R61e:Intel® Celeron® M
- ThinkPad X61s (7666-3EG), BE:Intel® Core™2 Duo
Processor frequency
- ThinkPad R61e:1.86 GHz
- ThinkPad X61s (7666-3EG), BE:1.6 GHz
Processor cache
- ThinkPad R61e:1 MB
- ThinkPad X61s (7666-3EG), BE:4 MB
Processor front side bus
- ThinkPad R61e:533 MHz
- ThinkPad X61s (7666-3EG), BE:800 MHz
Memory layout (slots x size)
- ThinkPad R61e:2 x 0.5 GB
- ThinkPad X61s (7666-3EG), BE:1 x 1 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61e, ThinkPad X61s (7666-3EG), BE
117 specifications	A Lenovo ThinkPad R61e View product	B Lenovo ThinkPad X61s (7666-3EG), BE View product
Display3 differ
Display diagonalDiffers	39.1 cm (15.4")	30.7 cm (12.1")
Display resolutionDiffers	1280 x 800 pixels	1024 x 768 pixels
Native aspect ratioDiffers	16:10	4:3
Processor4 differ
Processor familyDiffers	Intel® Celeron® M	Intel® Core™2 Duo
Processor modelKnown for one	Unknown — not stated by the source	L7500
Processor coresKnown for one	Unknown — not stated by the source	2
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	1.86 GHz	1.6 GHz
Processor cacheDiffers	1 MB	4 MB
Processor front side busDiffers	533 MHz	800 MHz
Processor socketKnown for one	Unknown — not stated by the source	Socket 479
Processor lithographyKnown for one	Unknown — not stated by the source	65 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo L7000 Series
Processor codenameKnown for one	Unknown — not stated by the source	Merom
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	17 W
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	291 M
Processing Die sizeKnown for one	Unknown — not stated by the source	143 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	8
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory1 differ
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Memory layout (slots x size)Differs	2 x 0.5 GB	1 x 1 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	80 GB	120 GB
Optical drive typeDiffers	DVD±RW	No
Audio2 differ
Audio systemDiffers	High Definition Audio	Intel HDA 24-bit
Number of built-in speakersDiffers	2	1
Speaker powerKnown for one	Unknown — not stated by the source	0.5 W
Network2 differ
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11a/b/g	Intel 3945 a/b/g
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces5 differ
Firewire (IEEE 1394) portsDiffers	0	1
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
Keyboard1 differ
Pointing deviceDiffers	Trackpad	Pointing Stick
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Embedded options availableKnown for one	Unknown — not stated by the source	Yes
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	29757
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Battery1 differ
Number of battery cellsDiffers	6	8
Battery life (max)Known for one	Unknown — not stated by the source	8.2 h
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.77 kg	1.65 kg
WidthDiffers	358.5 mm	268 mm
DepthDiffers	260 mm	211 mm
HeightDiffers	35 mm	20 mm
Dimensions (WxDxH)Known for one	358.5 x 260 x 35 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Supplied AC adapter typeKnown for one	AC	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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