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
Displayidentical
Display diagonal	30.7 cm (12.1")	30.7 cm (12.1")
Display resolution	1024 x 768 pixels	1024 x 768 pixels
Native aspect ratio	4:3	4:3
Processor2 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	L7500	L7700
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.6 GHz	1.8 GHz
Processor cache	4 MB	4 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Processor socket	Socket 479	Socket 479
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Intel Core 2 Duo L7000 Series	Unknown — not stated by the source
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB ParityKnown for one	No	Unknown — not stated by the source
Thermal Design Power (TDP)	17 W	17 W
Tjunction	100 °C	100 °C
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)	8	8
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
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	667 MHz	667 MHz
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
Storage1 differ
Total storage capacityDiffers	120 GB	100 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive type	No	No
Card reader integratedKnown for one	Unknown — not stated by the source	No
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA X3100	Intel® GMA X3100
Audioidentical
Audio system	Intel HDA 24-bit	Intel HDA 24-bit
Number of built-in speakers	1	1
Speaker power	0.5 W	0.5 W
Cameraidentical
Front camera	No	No
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	Intel 3945 a/b/g	Intel 4965AGN
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
USB 1.1 ports quantity	0	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Keyboardidentical
Pointing device	Pointing Stick	Pointing Stick
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
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based Switching	No	No
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 Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)	Yes	Yes
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® Hyper Threading Technology (Intel® HT Technology)	No	No
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
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	29757	32243
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Batteryidentical
Number of battery cells	8	8
Battery life (max)	8.2 h	8.2 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
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
Height	20 mm	20 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem type	V.92	V.92
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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