Product comparison · 2 laptops

Lenovo ThinkPad R61i Intel® Core™2 Duo T5450 Laptop vs Lenovo ThinkPad T61 (7663-12G), BE

109specifications compared
28differ
81identical
14known for one product only

Key differences

Display diagonal
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:39.1 cm (15.4")
- ThinkPad T61 (7663-12G), BE:35.8 cm (14.1")
Display resolution
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:1280 x 800 pixels
- ThinkPad T61 (7663-12G), BE:1440 x 900 pixels
Processor model
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:T5450
- ThinkPad T61 (7663-12G), BE:T7300
Processor frequency
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:1.66 GHz
- ThinkPad T61 (7663-12G), BE:2 GHz
Processor cache
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:2 MB
- ThinkPad T61 (7663-12G), BE:4 MB
Processor front side bus
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:667 MHz
- ThinkPad T61 (7663-12G), BE:800 MHz
Processor socket
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:Socket 479
- ThinkPad T61 (7663-12G), BE:PBGA479, PPGA478
Total storage capacity
- ThinkPad R61i Intel® Core™2 Duo T5450 Laptop:160 GB
- ThinkPad T61 (7663-12G), BE:80 GB

Side by side

Differences highlightedShow differences only

Comparison of R61i, ThinkPad T61 (7663-12G), BE
123 specifications	A Lenovo ThinkPad R61i Intel® Core™2 Duo T5450 Laptop Model R61i View product	B Lenovo ThinkPad T61 (7663-12G), BE View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5450	T7300
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.66 GHz	2 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	800 MHz
Processor socketDiffers	Socket 479	PBGA479, PPGA478
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 T7000 Series
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)	35 W	35 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)	10	10
ECC supported by processor	No	No
SteppingKnown for one	M0	Unknown — not stated by the source
Processor core voltage (AC)Known for one	1.075 - 1.175 V	Unknown — not stated by the source
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	80 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD±RW	DVD-ROM
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X3100	NVIDIA Quadro NVS 140M
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.128 GB
Audio1 differ
Audio systemDiffers	High Definition Audio	HDA 24-bit
Number of built-in speakers	2	2
Speaker power	2 W	2 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	No	No
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
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
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	30787	29760
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery2 differ
Number of battery cellsDiffers	6	4
Battery life (max)Differs	5 h	3 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Weight & dimensions4 differ
WeightDiffers	2.75 kg	2.3 kg
WidthDiffers	358 mm	335.5 mm
DepthDiffers	260 mm	237 mm
HeightDiffers	35 mm	27.6 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
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Supplied AC adapter type	AC	AC
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.

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