Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), BE vs Lenovo ThinkPad Z61t - 9443XBG, NL

110specifications compared
31differ
79identical
13known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), BE:38.1 cm (15")
- ThinkPad Z61t - 9443XBG, NL:35.6 cm (14")
Display resolution
- ThinkPad R61 (8944-66G), BE:1024 x 768 pixels
- ThinkPad Z61t - 9443XBG, NL:1280 x 800 pixels
Native aspect ratio
- ThinkPad R61 (8944-66G), BE:4:3
- ThinkPad Z61t - 9443XBG, NL:16:10
Processor model
- ThinkPad R61 (8944-66G), BE:T7100
- ThinkPad Z61t - 9443XBG, NL:T7200
Processor frequency
- ThinkPad R61 (8944-66G), BE:1.8 GHz
- ThinkPad Z61t - 9443XBG, NL:2 GHz
Processor front side bus
- ThinkPad R61 (8944-66G), BE:800 MHz
- ThinkPad Z61t - 9443XBG, NL:667 MHz
Processor socket
- ThinkPad R61 (8944-66G), BE:Socket 478
- ThinkPad Z61t - 9443XBG, NL:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61 (8944-66G), BE:35 W
- ThinkPad Z61t - 9443XBG, NL:34 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), BE, ThinkPad Z61t - 9443XBG, NL
123 specifications	A Lenovo ThinkPad R61 (8944-66G), BE View product	B Lenovo ThinkPad Z61t - 9443XBG, NL View product
Display3 differ
Display diagonalDiffers	38.1 cm (15")	35.6 cm (14")
Display resolutionDiffers	1024 x 768 pixels	1280 x 800 pixels
Native aspect ratioDiffers	4:3	16:10
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T7100	T7200
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.8 GHz	2 GHz
Processor cache	4 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	667 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo T7000 Series
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	35 W	34 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	12
ECC supported by processor	No	No
SteppingKnown for one	Unknown — not stated by the source	B2
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.0375 - 1.30 V
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speedDiffers	667 MHz	533 MHz
Memory layout (slots x size)Known for one	2 x 0.5 GB	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
Storage1 differ
Total storage capacityDiffers	80 GB	120 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X3100	Intel® GMA 950
Audio1 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
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
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 3945 a/b/g	IEEE 802.11a/b/g
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces3 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
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	No	No
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	Yes	Yes
TV-out type	S-Video	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
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Yes	Unknown — not stated by the source
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 StatesDiffers	Yes	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 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	29759	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	3.7 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	IBM	Kensington
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Weight & dimensions4 differ
WeightDiffers	2.77 kg	2.05 kg
WidthDiffers	332 mm	334 mm
DepthDiffers	269 mm	228 mm
HeightDiffers	40 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 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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