Product comparison · 2 laptops

Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA vs Lenovo ThinkPad X61 (7673-66G), EN

102specifications compared
26differ
76identical
25known for one product only

Key differences

The Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA has 0.1 GHz more processor frequency than the Lenovo ThinkPad X61 (7673-66G), EN (2.1 GHz vs 2 GHz). The Lenovo ThinkPad X61 (7673-66G), EN 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 X61 (7673-66G), EN 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 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA has Bluetooth. Display diagonal: 38.1 cm (15") on the Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA, 30.7 cm (12.1") on the Lenovo ThinkPad X61 (7673-66G), EN.

Display diagonal
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:38.1 cm (15")
- ThinkPad X61 (7673-66G), EN:30.7 cm (12.1")
Display resolution
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:1280 x 800 pixels
- ThinkPad X61 (7673-66G), EN:1024 x 768 pixels
Native aspect ratio
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:16:10
- ThinkPad X61 (7673-66G), EN:4:3
Processor model
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:T8100
- ThinkPad X61 (7673-66G), EN:T7300
Processor frequency
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:2.1 GHz
- ThinkPad X61 (7673-66G), EN:2 GHz
Processor cache
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:3 MB
- ThinkPad X61 (7673-66G), EN:4 MB
Processor socket
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:Socket 478
- ThinkPad X61 (7673-66G), EN:PBGA479, PPGA478
Processor lithography
- ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA:45 nm
- ThinkPad X61 (7673-66G), EN:65 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA, ThinkPad X61 (7673-66G), EN
127 specifications	A Lenovo ThinkPad T61 Core 2 Duo T8100 (2.10GHz)/ 2GB/ 160GB/ 15'' WXGA View product	B Lenovo ThinkPad X61 (7673-66G), EN View product
Display3 differ
Display diagonalDiffers	38.1 cm (15")	30.7 cm (12.1")
Display resolutionDiffers	1280 x 800 pixels	1024 x 768 pixels
Native aspect ratioDiffers	16:10	4:3
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T8100	T7300
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 bus	800 MHz	800 MHz
Processor socketDiffers	Socket 478	PBGA479, PPGA478
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
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	105 °C	100 °C
Number of Processing Die TransistorsDiffers	410 M	291 M
Processing Die sizeDiffers	107 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10.5	10
ECC supported by processor	No	No
SteppingKnown for one	M0	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	667 MHz	667 MHz
Memory layout (slots x size)Differs	2 x 2 GB	1 x 1 GB
Maximum internal memory	4 GB	4 GB
Storage1 differ
Total storage capacityDiffers	160 GB	80 GB
HDD interface	SATA	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	No
Card reader integratedKnown for one	Yes	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	Intel	Unknown — not stated by the source
Audio3 differ
Audio systemDiffers	Intel HDA	Intel HDA 24-bit
Number of built-in speakersDiffers	2	1
Speaker powerDiffers	2 W	0.5 W
Cameraidentical
Front camera	No	No
Network3 differ
Networking featuresDiffers	PRO/1000	Gigabit Ethernet, WLAN
Wireless technologyDiffers	WiFi Link 4965AGN	Intel 4965AGN
BluetoothDiffers	Yes	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Networking typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfacesidentical
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 slot	No	No
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-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	Unknown — not stated by the source	1
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Trackpad
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
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	33916	29760
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	8
Battery life (max)Known for one	Unknown — not stated by the source	7.8 h
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
HDD user password	Yes	Yes
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2.38 kg	1.63 kg
WidthKnown for one	Unknown — not stated by the source	268 mm
DepthKnown for one	Unknown — not stated by the source	211 mm
HeightKnown for one	Unknown — not stated by the source	20 mm
Dimensions (WxDxH)Known for one	357.5 x 255 x 29.7 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
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 type	AC	AC
Slot typeKnown for one	PCI/PCIE	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Optical driveidentical
DVD+R speedKnown for one	24x	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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