Product comparison · 2 laptops

Lenovo ThinkPad R61i (7650-8TG), BE vs Lenovo ThinkPad Z61t (9442-RTG), NL

113specifications compared
29differ
84identical
10known for one product only

Key differences

Display diagonal
- ThinkPad R61i (7650-8TG), BE:39.1 cm (15.4")
- ThinkPad Z61t (9442-RTG), NL:35.8 cm (14.1")
Processor model
- ThinkPad R61i (7650-8TG), BE:T5250
- ThinkPad Z61t (9442-RTG), NL:T7200
Processor frequency
- ThinkPad R61i (7650-8TG), BE:1.5 GHz
- ThinkPad Z61t (9442-RTG), NL:2 GHz
Processor cache
- ThinkPad R61i (7650-8TG), BE:2 MB
- ThinkPad Z61t (9442-RTG), NL:4 MB
Processor socket
- ThinkPad R61i (7650-8TG), BE:Socket 478
- ThinkPad Z61t (9442-RTG), NL:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61i (7650-8TG), BE:65, 35
- ThinkPad Z61t (9442-RTG), NL:34 W
CPU multiplier (bus/core ratio)
- ThinkPad R61i (7650-8TG), BE:9
- ThinkPad Z61t (9442-RTG), NL:12
Memory layout (slots x size)
- ThinkPad R61i (7650-8TG), BE:1 x 1 GB
- ThinkPad Z61t (9442-RTG), NL:2 x 0.5 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61i (7650-8TG), BE, ThinkPad Z61t (9442-RTG), NL
123 specifications	A Lenovo ThinkPad R61i (7650-8TG), BE View product	B Lenovo ThinkPad Z61t (9442-RTG), NL View product
Display1 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5250	T7200
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.5 GHz	2 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side bus	667 MHz	667 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 T7000 Series
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	Unknown — not stated by the source	B2
Thermal Design Power (TDP)Differs	65, 35	34 W
Tjunction	100 °C	100 °C
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.0375 - 1.30 V
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	9	12
ECC supported by processor	No	No
Memory2 differ
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)Differs	1 x 1 GB	2 x 0.5 GB
Maximum internal memoryDiffers	4 GB	2 GB
Storage2 differ
Total storage capacityDiffers	120 GB	80 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD±RW	DVD-ROM
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X3100	Intel® GMA 950
Audio2 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Number of built-in speakers	2	2
Speaker powerDiffers	2 W	1 W
Cameraidentical
Front camera	No	No
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	24x
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	24x
Network1 differ
Networking features	WLAN, Gigabit Ethernet	WLAN, Gigabit Ethernet
Wireless technologyDiffers	Intel 3945ABG	Intel 3945 a/b/g
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	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) portsDiffers	0	1
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-outDiffers	No	Yes
TV-out typeKnown for one	Unknown — not stated by the source	S-Video
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
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
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
Idle StatesKnown for one	Unknown — not stated by the source	No
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	27255
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	4
Battery life (max)Known for one	Unknown — not stated by the source	2.3 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	2.1 kg
WidthDiffers	358.5 mm	334 mm
DepthDiffers	260 mm	228 mm
HeightDiffers	35.3 mm	26.6 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other features1 differ
Infrared data portDiffers	No	Yes
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.

More laptop comparisons

All laptop comparisons