Product comparison · 2 laptops

Lenovo ThinkPad R61i vs Lenovo ThinkPad X61s (7666-3AG), EN

108specifications compared
35differ
73identical
12known for one product only

Key differences

Display diagonal
- ThinkPad R61i:39.1 cm (15.4")
- ThinkPad X61s (7666-3AG), EN:30.7 cm (12.1")
Display resolution
- ThinkPad R61i:1280 x 800 pixels
- ThinkPad X61s (7666-3AG), EN:1024 x 768 pixels
Native aspect ratio
- ThinkPad R61i:16:10
- ThinkPad X61s (7666-3AG), EN:4:3
Processor model
- ThinkPad R61i:T5250
- ThinkPad X61s (7666-3AG), EN:L7500
Processor frequency
- ThinkPad R61i:1.5 GHz
- ThinkPad X61s (7666-3AG), EN:1.6 GHz
Processor cache
- ThinkPad R61i:2 MB
- ThinkPad X61s (7666-3AG), EN:4 MB
Processor front side bus
- ThinkPad R61i:667 MHz
- ThinkPad X61s (7666-3AG), EN:800 MHz
Processor socket
- ThinkPad R61i:Socket 478
- ThinkPad X61s (7666-3AG), EN:Socket 479

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61i, ThinkPad X61s (7666-3AG), EN
120 specifications	A Lenovo ThinkPad R61i View product	B Lenovo ThinkPad X61s (7666-3AG), EN 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 manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5250	L7500
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.5 GHz	1.6 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	800 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo L7000 Series
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	65, 35	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)Differs	9	8
ECC supported by processor	No	No
Memoryidentical
Internal memory	1 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Maximum internal memory	4 GB	4 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	160 GB	100 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD±RW	DVD-RW
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA X3100	Intel® GMA X3100
Audio3 differ
Audio systemDiffers	High Definition Audio	Intel HDA 24-bit
Number of built-in speakersDiffers	2	1
Speaker powerDiffers	2 W	0.5 W
Cameraidentical
Front camera	No	No
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
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 slot	Yes	Yes
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-outDiffers	Yes	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
USB 1.1 ports quantity	0	0
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Pointing Stick
Software2 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Bundled softwareDiffers	Adobe Acrobat Reader, Sun JRE, ThinkVantage Access Connestions, ThinkVantage Client Security Solution, ThinkVantage Productivity Center, ThinkVantage System Update, Norton Internet Security 2007 (OEM), Diskeeper 9.0 Home Edition, Lotus Notes Stand-alone Client, Picasa - Google, ThinkVantage Rescue &	Yes
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	30786	29757
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	6	8
Battery life (max)Known for one	Unknown — not stated by the source	8.2 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.75 kg	1.65 kg
WidthDiffers	358.5 mm	211 mm
DepthDiffers	260 mm	268 mm
HeightDiffers	38.5 mm	20 mm
Dimensions (WxDxH)Known for one	358.5 x 260 x 38.5 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	V.90	V.92
Supplied AC adapter type	AC	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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