Product comparison · 2 laptops

Lenovo ThinkPad R61 + Essential Port Replicator vs Lenovo ThinkPad Z61t - 9443XBG, ES

106specifications compared
34differ
72identical
15known for one product only

Key differences

Display diagonal
- ThinkPad R61 + Essential Port Replicator:39.1 cm (15.4")
- ThinkPad Z61t - 9443XBG, ES:35.6 cm (14")
Display resolution
- ThinkPad R61 + Essential Port Replicator:1680 x 1050 pixels
- ThinkPad Z61t - 9443XBG, ES:1280 x 800 pixels
Processor model
- ThinkPad R61 + Essential Port Replicator:T8100
- ThinkPad Z61t - 9443XBG, ES:T7200
Processor frequency
- ThinkPad R61 + Essential Port Replicator:2.1 GHz
- ThinkPad Z61t - 9443XBG, ES:2 GHz
Processor cache
- ThinkPad R61 + Essential Port Replicator:3 MB
- ThinkPad Z61t - 9443XBG, ES:4 MB
Processor front side bus
- ThinkPad R61 + Essential Port Replicator:800 MHz
- ThinkPad Z61t - 9443XBG, ES:667 MHz
Processor socket
- ThinkPad R61 + Essential Port Replicator:Socket 478
- ThinkPad Z61t - 9443XBG, ES:Socket 479
Processor lithography
- ThinkPad R61 + Essential Port Replicator:45 nm
- ThinkPad Z61t - 9443XBG, ES:65 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 + Essential Port Replicator, ThinkPad Z61t - 9443XBG, ES
121 specifications	A Lenovo ThinkPad R61 + Essential Port Replicator View product	B Lenovo ThinkPad Z61t - 9443XBG, ES View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.6 cm (14")
Display resolutionDiffers	1680 x 1050 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor14 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T8100	T7200
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.1 GHz	2 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	667 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithographyDiffers	45 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T8000 Series	Intel Core 2 Duo T7000 Series
Processor codenameDiffers	Penryn	Merom
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	M0	B2
Thermal Design Power (TDP)Differs	35 W	34 W
TjunctionDiffers	105 °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 TransistorsDiffers	410 M	291 M
Processing Die sizeDiffers	107 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10.5	12
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	533 MHz
Maximum internal memory	4 GB	4 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	160 GB	120 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integrated	Yes	Yes
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
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
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Intel HDA 24-bit
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Network3 differ
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11a/g/n	IEEE 802.11a/b/g
BluetoothDiffers	No	Yes
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
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 slotDiffers	Yes	No
CardBus PCMCIA slots quantity	1	1
CardBus PCMCIA slot type	Type II	Type II
SmartCard slotDiffers	Yes	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
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
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	33916	27255
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Processor codeKnown for one	SLAVJ	Unknown — not stated by the source
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	2.76 kg	2.05 kg
WidthDiffers	358 mm	334 mm
DepthDiffers	260 mm	228 mm
HeightDiffers	35 mm	26.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data portDiffers	No	Yes
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	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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