Product comparison · 2 laptops

Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB vs Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA

100specifications compared
24differ
76identical
25known for one product only

Key differences

The Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has 0.5 GHz more processor frequency than the Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA (2.6 GHz vs 2.1 GHz). The Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has 1 MB more processor cache than the Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA (4 MB vs 3 MB). The Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has 20 nm more processor lithography than the Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA (65 nm vs 45 nm). Only the Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has ExpressCard slot. Only the Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has SmartCard slot.

Display diagonal
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:35.8 cm (14.1")
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:38.1 cm (15")
Processor model
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:T7800
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:T8100
Processor frequency
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:2.6 GHz
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:2.1 GHz
Processor cache
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:4 MB
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:3 MB
Processor socket
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:Socket 479
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:Socket 478
Processor lithography
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:65 nm
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:45 nm
Processor codename
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:Merom
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:Penryn
Tjunction
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:100 °C
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:105 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB, ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA
125 specifications	A Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB View product	B Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA View product
Designidentical
Product colour	Black	Black
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	38.1 cm (15")
Display resolutionKnown for one	Unknown — not stated by the source	1280 x 800 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T7800	T8100
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.6 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	Socket 479	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
SteppingKnown for one	Unknown — not stated by the source	M0
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	13	10.5
ECC supported by processor	No	No
Memory1 differ
Internal memory	2 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Memory layout (slots x size)Differs	2 x 1 GB	2 x 2 GB
Maximum internal memory	4 GB	4 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storageidentical
Total storage capacity	160 GB	160 GB
HDD interface	SATA	SATA
Card reader integrated	Yes	Yes
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA X3100	Intel® GMA X3100
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Audio1 differ
Audio systemDiffers	High Definition Audio	Intel HDA
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera	No	No
Optical driveidentical
DVD+R speedKnown for one	Unknown — not stated by the source	24x
Network2 differ
Networking featuresDiffers	Gigabit Ethernet	PRO/1000
Networking typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/g/n	WiFi Link 4965AGN
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
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 quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
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
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 StatesKnown for one	Unknown — not stated by the source	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 StateDiffers	No	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	31729	33916
Processor codeDiffers	SLA75	SLAVJ
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 cells	6	6
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
DC-in jack	Yes	Yes
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user password	Yes	Yes
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
Weight & dimensions1 differ
WeightDiffers	2.7 kg	2.38 kg
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	357.5 x 255 x 29.7 mm
WidthKnown for one	357.5 mm	Unknown — not stated by the source
DepthKnown for one	255 mm	Unknown — not stated by the source
Height (front)Known for one	2.97 cm	Unknown — not stated by the source
Height (rear)Known for one	3.35 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Slot typeKnown for one	Unknown — not stated by the source	PCI/PCIE
Supplied AC adapter type	AC	AC
Modem typeKnown for one	V.92	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	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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