Product comparison · 2 laptops

Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo vs Lenovo ThinkPad X61s (7666-B4G), DE

73specifications compared
28differ
45identical
51known for one product only

Key differences

The Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo has 256 x 768 pixels more display resolution than the Lenovo ThinkPad X61s (7666-B4G), DE (1280 x 768 pixels vs 1024 x 768 pixels). The Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo has 1 :3 more native aspect ratio than the Lenovo ThinkPad X61s (7666-B4G), DE (5:3 vs 4:3). The Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo has 0.3 GHz more processor frequency than the Lenovo ThinkPad X61s (7666-B4G), DE (2.1 GHz vs 1.8 GHz). Only the Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo has Bluetooth. Only the Lenovo ThinkPad X61s (7666-B4G), DE has docking connector.

Display diagonal
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:35.8 cm (14.1")
- ThinkPad X61s (7666-B4G), DE:30.7 cm (12.1")
Display resolution
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:1280 x 768 pixels
- ThinkPad X61s (7666-B4G), DE:1024 x 768 pixels
Native aspect ratio
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:5:3
- ThinkPad X61s (7666-B4G), DE:4:3
Processor model
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:T8100
- ThinkPad X61s (7666-B4G), DE:L7700
Processor frequency
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:2.1 GHz
- ThinkPad X61s (7666-B4G), DE:1.8 GHz
Processor cache
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:3 MB
- ThinkPad X61s (7666-B4G), DE:4 MB
Processor socket
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:Socket 478
- ThinkPad X61s (7666-B4G), DE:Socket 479
Processor lithography
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:45 nm
- ThinkPad X61s (7666-B4G), DE:65 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo, ThinkPad X61s (7666-B4G), DE
124 specifications	A Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo View product	B Lenovo ThinkPad X61s (7666-B4G), DE View product
Display3 differ
Display diagonalDiffers	35.8 cm (14.1")	30.7 cm (12.1")
Display resolutionDiffers	1280 x 768 pixels	1024 x 768 pixels
HD typeKnown for one	Not supported	Unknown — not stated by the source
Native aspect ratioDiffers	5:3	4:3
Processor12 differ
Processor modelDiffers	T8100	L7700
Processor frequencyDiffers	2.1 GHz	1.8 GHz
Processor cacheDiffers	3 MB	4 MB
Processor socketDiffers	Socket 478	Socket 479
Processor lithographyDiffers	45 nm	65 nm
Processor seriesKnown for one	Intel Core 2 Duo T8000 Series	Unknown — not stated by the source
Processor codenameDiffers	Penryn	Merom
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingDiffers	M0	G0
Thermal Design Power (TDP)Differs	35 W	17 W
TjunctionDiffers	105 °C	100 °C
Number of Processing Die TransistorsDiffers	410 M	291 M
Processing Die sizeDiffers	107 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10.5	8
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR2-SDRAM
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage1 differ
Total storage capacityDiffers	80 GB	100 GB
Optical drive typeKnown for one	Unknown — not stated by the source	No
Graphicsidentical
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	Gigabit Ethernet	WLAN, Gigabit Ethernet
BluetoothDiffers	Yes	No
Wireless technologyKnown for one	Unknown — not stated by the source	Intel 4965AGN
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces5 differ
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slotDiffers	Yes	No
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Softwareidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special features1 differ
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
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	33916	32243
Processor codeKnown for one	SLAVJ	Unknown — not stated by the source
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 & dimensions3 differ
WeightDiffers	2.35 kg	1.5 kg
WidthDiffers	335.5 mm	211 mm
DepthDiffers	237 mm	268 mm
Height (front)Known for one	3.49 cm	Unknown — not stated by the source
Height (rear)Known for one	3.06 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	20 mm
Other featuresidentical
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Intel HDA 24-bit
Number of built-in speakersKnown for one	Unknown — not stated by the source	1
Speaker powerKnown for one	Unknown — not stated by the source	0.5 W
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Pointing Stick
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
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
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Packaging contentidentical
AC adapter includedKnown 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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