Product comparison · 2 laptops

Lenovo ThinkPad R61i (7650-8TG), IT vs Lenovo ThinkPad T61 (8898-6DG), IT

112specifications compared
19differ
93identical
6known for one product only

Key differences

Display diagonal
- ThinkPad R61i (7650-8TG), IT:39.1 cm (15.4")
- ThinkPad T61 (8898-6DG), IT:35.8 cm (14.1")
Display resolution
- ThinkPad R61i (7650-8TG), IT:1280 x 800 pixels
- ThinkPad T61 (8898-6DG), IT:1024 x 768 pixels
Native aspect ratio
- ThinkPad R61i (7650-8TG), IT:16:10
- ThinkPad T61 (8898-6DG), IT:4:3
Processor model
- ThinkPad R61i (7650-8TG), IT:T5250
- ThinkPad T61 (8898-6DG), IT:T7250
Processor frequency
- ThinkPad R61i (7650-8TG), IT:1.5 GHz
- ThinkPad T61 (8898-6DG), IT:2 GHz
Processor front side bus
- ThinkPad R61i (7650-8TG), IT:667 MHz
- ThinkPad T61 (8898-6DG), IT:800 MHz
Thermal Design Power (TDP)
- ThinkPad R61i (7650-8TG), IT:65, 35
- ThinkPad T61 (8898-6DG), IT:35 W
CPU multiplier (bus/core ratio)
- ThinkPad R61i (7650-8TG), IT:9
- ThinkPad T61 (8898-6DG), IT:10

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61i (7650-8TG), IT, ThinkPad T61 (8898-6DG), IT
118 specifications	A Lenovo ThinkPad R61i (7650-8TG), IT View product	B Lenovo ThinkPad T61 (8898-6DG), IT View product
Display3 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1024 x 768 pixels
Native aspect ratioDiffers	16:10	4:3
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5250	T7250
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.5 GHz	2 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	800 MHz
Processor socket	Socket 478	Socket 478
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
SteppingKnown for one	Unknown — not stated by the source	M0
Thermal Design Power (TDP)Differs	65, 35	35 W
TcaseKnown for one	Unknown — not stated by the source	68 °C
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	10
ECC supported by processor	No	No
Memoryidentical
Internal memory	1 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	667 MHz	667 MHz
Memory layout (slots x size)	1 x 1 GB	1 x 1 GB
Maximum internal memory	4 GB	4 GB
Storage1 differ
Total storage capacityDiffers	120 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA X3100	Intel® GMA X3100
Audio1 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Cameraidentical
Front camera	No	No
Networkidentical
Networking features	WLAN, Gigabit Ethernet	WLAN, Gigabit Ethernet
Wireless technology	Intel 3945ABG	Intel 3945ABG
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces1 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	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
USB 1.1 ports quantity	0	0
Keyboard1 differ
Pointing deviceDiffers	Trackpad	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled software	Yes	Yes
Processor special features2 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	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 State	No	No
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	31728
Processor codeKnown for one	Unknown — not stated by the source	SLA49
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	5.5 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user password	Yes	Yes
Weight & dimensions4 differ
WeightDiffers	2.99 kg	2.35 kg
WidthDiffers	358.5 mm	313.4 mm
DepthDiffers	260 mm	255 mm
HeightDiffers	35.3 mm	27.5 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem type	V.92	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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