Product comparison · 2 laptops

Lenovo ThinkPad X61s (7666-3EG) vs Lenovo ThinkPad X61s (7666-B4G), BE

87specifications compared
13differ
74identical
33known for one product only

Key differences

Processor model
- ThinkPad X61s (7666-3EG):L7500
- ThinkPad X61s (7666-B4G), BE:L7700
Processor frequency
- ThinkPad X61s (7666-3EG):1.6 GHz
- ThinkPad X61s (7666-B4G), BE:1.8 GHz
Internal memory
- ThinkPad X61s (7666-3EG):1 GB
- ThinkPad X61s (7666-B4G), BE:2 GB
Total storage capacity
- ThinkPad X61s (7666-3EG):120 GB
- ThinkPad X61s (7666-B4G), BE:100 GB
Networking features
- ThinkPad X61s (7666-3EG):Gigabit Ethernet, WLAN
- ThinkPad X61s (7666-B4G), BE:WLAN, Gigabit Ethernet
Wireless technology
- ThinkPad X61s (7666-3EG):Intel 3945 a/b/g
- ThinkPad X61s (7666-B4G), BE:Intel 4965AGN
ExpressCard slot
- ThinkPad X61s (7666-3EG):No
- ThinkPad X61s (7666-B4G), BE:Yes
Operating system installed
- ThinkPad X61s (7666-3EG):Windows XP Professional
- ThinkPad X61s (7666-B4G), BE:Windows Vista Business

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad X61s (7666-3EG), ThinkPad X61s (7666-B4G), BE
120 specifications	A Lenovo ThinkPad X61s (7666-3EG)View product	B Lenovo ThinkPad X61s (7666-B4G), BE View product
Processor2 differ
Processor modelDiffers	L7500	L7700
Processor frequencyDiffers	1.6 GHz	1.8 GHz
Processor seriesKnown for one	Intel Core 2 Duo L7000 Series	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	Unknown — not stated by the source	G0
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	120 GB	100 GB
Card reader integratedKnown for one	Unknown — not stated by the source	No
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	Intel 3945 a/b/g	Intel 4965AGN
Ports & interfaces1 differ
ExpressCard slotDiffers	No	Yes
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special features2 differ
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Embedded options availableDiffers	Yes	No
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Processor ARK IDDiffers	29757	32243
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Weight & dimensions3 differ
WeightDiffers	1.65 kg	1.5 kg
WidthDiffers	268 mm	211 mm
DepthDiffers	211 mm	268 mm
Other featuresidentical
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC

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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