Product comparison · 2 laptops

Lenovo ThinkPad R61i Intel® Core™2 Duo T5450 Laptop vs Lenovo ThinkPad X61 (7673-A3G), NL

110specifications compared
34differ
76identical
11known for one product only

Key differences

Display diagonal
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:39.1 cm (15.4")
- ThinkPad X61 (7673-A3G), NL:30.7 cm (12.1")
Display resolution
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:1280 x 800 pixels
- ThinkPad X61 (7673-A3G), NL:1024 x 768 pixels
Native aspect ratio
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:16:10
- ThinkPad X61 (7673-A3G), NL:4:3
Processor model
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:T5450
- ThinkPad X61 (7673-A3G), NL:T7500
Processor frequency
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:1.66 GHz
- ThinkPad X61 (7673-A3G), NL:2.2 GHz
Processor cache
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:2 MB
- ThinkPad X61 (7673-A3G), NL:4 MB
Processor front side bus
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:667 MHz
- ThinkPad X61 (7673-A3G), NL:800 MHz
Processor socket
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:Socket 479
- ThinkPad X61 (7673-A3G), NL:Socket 478

Side by side

Differences highlightedShow differences only

Comparison of R61i, ThinkPad X61 (7673-A3G), NL
121 specifications	A Lenovo ThinkPad R61i Intel® Core™2 Duo T5450 Laptop Model R61i View product	B Lenovo ThinkPad X61 (7673-A3G), NL 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
Processor8 differ
Processor modelDiffers	T5450	T7500
Processor frequencyDiffers	1.66 GHz	2.2 GHz
Processor cacheDiffers	2 MB	4 MB
Processor front side busDiffers	667 MHz	800 MHz
Processor socketDiffers	Socket 479	Socket 478
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo T7000 Series
SteppingDiffers	M0	E1
CPU multiplier (bus/core ratio)Differs	10	11
Processor core voltage (AC)Known for one	1.075 - 1.175 V	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Optical drive typeDiffers	DVD±RW	No
Audio3 differ
Audio systemDiffers	High Definition Audio	HDA 24-bit
Number of built-in speakersDiffers	2	1
Speaker powerDiffers	2 W	0.5 W
Network3 differ
Networking featuresDiffers	Gigabit Ethernet	WLAN, Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g	Intel 4965AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces3 differ
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Trackpad
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special features4 differ
Embedded options availableDiffers	No	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Processor ARK IDDiffers	30787	29761
Battery2 differ
Number of battery cellsDiffers	6	8
Battery life (max)Differs	5 h	7.8 h
Weight & dimensions4 differ
WeightDiffers	2.75 kg	1.63 kg
WidthDiffers	358 mm	268 mm
DepthDiffers	260 mm	211 mm
HeightDiffers	35 mm	20 mm
Dimensions (WxDxH)Known for one	358 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
Designidentical
Product typeKnown for one	Laptop	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.

More laptop comparisons

All laptop comparisons