Product comparison · 2 laptops

Lenovo ThinkPad T61 (6457-6DG), BE vs Lenovo ThinkPad Z61t - 944389G, NL

109specifications compared
34differ
75identical
12known for one product only

Key differences

Display diagonal
- ThinkPad T61 (6457-6DG), BE:39.1 cm (15.4")
- ThinkPad Z61t - 944389G, NL:35.8 cm (14.1")
Display resolution
- ThinkPad T61 (6457-6DG), BE:1680 x 1050 pixels
- ThinkPad Z61t - 944389G, NL:1440 x 900 pixels
Processor family
- ThinkPad T61 (6457-6DG), BE:Intel® Core™2 Duo
- ThinkPad Z61t - 944389G, NL:Intel® Core™ Duo
Processor model
- ThinkPad T61 (6457-6DG), BE:T7500
- ThinkPad Z61t - 944389G, NL:T2400
Processor frequency
- ThinkPad T61 (6457-6DG), BE:2.2 GHz
- ThinkPad Z61t - 944389G, NL:1.83 GHz
Processor cache
- ThinkPad T61 (6457-6DG), BE:4 MB
- ThinkPad Z61t - 944389G, NL:2 MB
Processor front side bus
- ThinkPad T61 (6457-6DG), BE:800 MHz
- ThinkPad Z61t - 944389G, NL:667 MHz
Processor operating modes
- ThinkPad T61 (6457-6DG), BE:64-bit
- ThinkPad Z61t - 944389G, NL:32-bit

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T61 (6457-6DG), BE, ThinkPad Z61t - 944389G, NL
121 specifications	A Lenovo ThinkPad T61 (6457-6DG), BE View product	B Lenovo ThinkPad Z61t - 944389G, NL View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1680 x 1050 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ Duo
Processor modelDiffers	T7500	T2400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.2 GHz	1.83 GHz
Processor cacheDiffers	4 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	667 MHz
Processor socket	Socket 478	Socket 478
Processor lithography	65 nm	65 nm
Processor operating modesDiffers	64-bit	32-bit
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core Duo T2000 Series
Processor codenameDiffers	Merom	Yonah
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	E1	C0
Thermal Design Power (TDP)Differs	35 W	31 W
Tjunction	100 °C	100 °C
Number of Processing Die TransistorsDiffers	291 M	151 M
Processing Die sizeDiffers	143 mm²	90 mm²
CPU multiplier (bus/core ratio)	11	11
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	2 GB	0.5 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	667 MHz	667 MHz
Maximum internal memoryDiffers	4 GB	2 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 0.5 GB
Storage1 differ
Total storage capacityDiffers	100 GB	60 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integrated	Yes	Yes
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA Quadro NVS 140M	Intel® GMA 950
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Intel HDA 24-bit	Intel HDA 24-bitbb
Number of built-in speakers	2	2
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 3945ABG	Intel 3945 a/b/g
Bluetooth	Yes	Yes
Bluetooth version	2.0+EDR	2.0+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces2 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 connectorDiffers	Yes	No
ExpressCard slot	Yes	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
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	Unknown — not stated by the source	S-Video
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Ultimate	Windows XP Professional
Bundled software	Yes	Yes
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesDiffers	Yes	No
Intel 64Differs	Yes	No
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	Yes	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)	Yes	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	29761	27235
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 cellsKnown for one	9	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
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
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.56 kg	2.25 kg
WidthDiffers	357.5 mm	334 mm
DepthDiffers	255 mm	228 mm
HeightDiffers	29.7 mm	26.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
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 typeKnown for one	AC	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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