Product comparison · 2 laptops

Lenovo ThinkPad T61, ES vs Lenovo ThinkPad T61 + ThinkPad Essential Port Replicator

102specifications compared
26differ
76identical
22known for one product only

Key differences

Display diagonal
- ThinkPad T61, ES:39.1 cm (15.4")
- ThinkPad T61 + ThinkPad Essential Port Replicator:35.8 cm (14.1")
Processor model
- ThinkPad T61, ES:T7300
- ThinkPad T61 + ThinkPad Essential Port Replicator:T8100
Processor frequency
- ThinkPad T61, ES:2 GHz
- ThinkPad T61 + ThinkPad Essential Port Replicator:2.1 GHz
Processor cache
- ThinkPad T61, ES:4 MB
- ThinkPad T61 + ThinkPad Essential Port Replicator:3 MB
Processor socket
- ThinkPad T61, ES:PBGA479, PPGA478
- ThinkPad T61 + ThinkPad Essential Port Replicator:Socket 478
Processor lithography
- ThinkPad T61, ES:65 nm
- ThinkPad T61 + ThinkPad Essential Port Replicator:45 nm
Processor codename
- ThinkPad T61, ES:Merom
- ThinkPad T61 + ThinkPad Essential Port Replicator:Penryn
Tjunction
- ThinkPad T61, ES:100 °C
- ThinkPad T61 + ThinkPad Essential Port Replicator:105 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T61, ES, ThinkPad T61 + ThinkPad Essential Port Replicator
124 specifications	A Lenovo ThinkPad T61, ES View product	B Lenovo ThinkPad T61 + ThinkPad Essential Port Replicator 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
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T7300	T8100
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2 GHz	2.1 GHz
Processor cacheDiffers	4 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Processor socketDiffers	PBGA479, PPGA478	Socket 478
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo T8000 Series
Processor codenameDiffers	Merom	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	10	10.5
ECC supported by processor	No	No
SteppingKnown for one	Unknown — not stated by the source	M0
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD-ROM	DVD±RW
Card reader integratedKnown for one	Unknown — not stated by the source	No
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA X3100	Intel® GMA X3100
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Cameraidentical
Front camera	No	No
Optical driveidentical
CD read speedKnown for one	24x	Unknown — not stated by the source
CD write speedKnown for one	24x	Unknown — not stated by the source
CD rewrite speedKnown for one	24x	Unknown — not stated by the source
DVD read speedKnown for one	8x	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11a/g/n	IEEE 802.11b/a/g/n
BluetoothDiffers	No	Yes
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 connector	Yes	Yes
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	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Processor special features1 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 States	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	Yes	Yes
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	29760	33916
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	Unknown — not stated by the source	SLAVJ
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	4 h
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 passwordKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.58 kg	2.3 kg
WidthDiffers	357.5 mm	336 mm
DepthDiffers	255 mm	237 mm
HeightDiffers	30 mm	28 mm
Dimensions (WxDxH)Known for one	357.5 x 255 x 30 mm	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Supplied AC adapter type	AC	AC
Power requirementsKnown for one	Unknown — not stated by the source	120/230 V ( 50/60 Hz )
Modem typeKnown for one	Unknown — not stated by the source	ITU V.90
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CE, MPR II, BSMI, GOST, cUL, EPA Energy Star, MPR III, NOM, SASO, UL 60950, CB, FCC Part 15 B, CER, CCC, DOC, MIC, RoHS, ACA

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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