Product comparison · 2 laptops

Lenovo ThinkPad T61 (6457-4XG), SE vs Lenovo ThinkPad X61s (7666-B4G), NL

90specifications compared
26differ
64identical
32known for one product only

Key differences

Display diagonal
- ThinkPad T61 (6457-4XG), SE:39.1 cm (15.4")
- ThinkPad X61s (7666-B4G), NL:30.7 cm (12.1")
Display resolution
- ThinkPad T61 (6457-4XG), SE:1680 x 1050 pixels
- ThinkPad X61s (7666-B4G), NL:1024 x 768 pixels
Native aspect ratio
- ThinkPad T61 (6457-4XG), SE:16:10
- ThinkPad X61s (7666-B4G), NL:4:3
Processor model
- ThinkPad T61 (6457-4XG), SE:T7500
- ThinkPad X61s (7666-B4G), NL:L7700
Processor frequency
- ThinkPad T61 (6457-4XG), SE:2.2 GHz
- ThinkPad X61s (7666-B4G), NL:1.8 GHz
Processor socket
- ThinkPad T61 (6457-4XG), SE:Socket 478
- ThinkPad X61s (7666-B4G), NL:Socket 479
Stepping
- ThinkPad T61 (6457-4XG), SE:E1
- ThinkPad X61s (7666-B4G), NL:G0
Thermal Design Power (TDP)
- ThinkPad T61 (6457-4XG), SE:35 W
- ThinkPad X61s (7666-B4G), NL:17 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T61 (6457-4XG), SE, ThinkPad X61s (7666-B4G), NL
122 specifications	A Lenovo ThinkPad T61 (6457-4XG), SE View product	B Lenovo ThinkPad X61s (7666-B4G), NL View product
Display3 differ
Display diagonalDiffers	39.1 cm (15.4")	30.7 cm (12.1")
Display resolutionDiffers	1680 x 1050 pixels	1024 x 768 pixels
Native aspect ratioDiffers	16:10	4:3
Processor6 differ
Processor modelDiffers	T7500	L7700
Processor frequencyDiffers	2.2 GHz	1.8 GHz
Processor socketDiffers	Socket 478	Socket 479
Processor seriesKnown for one	Intel Core 2 Duo T7000 Series	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingDiffers	E1	G0
Thermal Design Power (TDP)Differs	35 W	17 W
CPU multiplier (bus/core ratio)Differs	11	8
ECC supported by processorKnown for one	No	Unknown — not stated by the source
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
Storage2 differ
Total storage capacityDiffers	120 GB	100 GB
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	MMC, SD, xD	Unknown — not stated by the source
Optical drive typeKnown for one	Unknown — not stated by the source	No
Graphics1 differ
Discrete graphics card modelDiffers	NVIDIA Quadro NVS 140M	Intel® GMA X3100
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Audio3 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Number of built-in speakersDiffers	2	1
Speaker powerDiffers	4 W	0.5 W
Network1 differ
Wireless technologyDiffers	Intel 3945 a/b/g	Intel 4965AGN
Ports & interfaces2 differ
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Pointing Stick
Softwareidentical
Drivers includedKnown 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	29761	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
Weight & dimensions4 differ
WeightDiffers	2.56 kg	1.5 kg
WidthDiffers	357.5 mm	211 mm
DepthDiffers	255 mm	268 mm
HeightDiffers	29.7 mm	20 mm
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	8
Battery life (max)Known for one	Unknown — not stated by the source	8.2 h

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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