Product comparison · 2 laptops

Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo vs Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB

95specifications compared
25differ
70identical
23known 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 R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo (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 R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo (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 R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo (65 nm vs 45 nm). Only the Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has card reader integrated. Only the Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has docking connector.

Processor model
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:T8100
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:T7800
Processor frequency
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:2.1 GHz
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:2.6 GHz
Processor cache
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:3 MB
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:4 MB
Processor socket
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:Socket 478
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:Socket 479
Processor lithography
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:45 nm
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:65 nm
Processor codename
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:Penryn
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:Merom
Tjunction
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:105 °C
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:100 °C
Number of Processing Die Transistors
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:410 M
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:291 M

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo, ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB
118 specifications	A Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo View product	B Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Displayidentical
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolutionKnown for one	1280 x 768 pixels	Unknown — not stated by the source
HD typeKnown for one	Not supported	Unknown — not stated by the source
Native aspect ratioKnown for one	5:3	Unknown — not stated by the source
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T8100	T7800
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.1 GHz	2.6 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 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
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	13
ECC supported by processor	No	No
SteppingKnown for one	M0	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR2-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integratedDiffers	No	Yes
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA X3100	Intel® GMA X3100
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front camera	No	No
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technologyKnown for one	Unknown — not stated by the source	IEEE 802.11a/g/n
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces2 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 connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	1	1
CardBus PCMCIA slot type	Type II	Type II
SmartCard slot	Yes	Yes
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
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Business	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
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	31729
Processor codeDiffers	SLAVJ	SLA75
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Poweridentical
DC-in jack	Yes	Yes
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 passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions5 differ
WeightDiffers	2.35 kg	2.7 kg
WidthDiffers	335.5 mm	357.5 mm
DepthDiffers	237 mm	255 mm
Height (front)Differs	3.49 cm	2.97 cm
Height (rear)Differs	3.06 cm	3.35 cm
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92
Supplied AC adapter type	AC	AC

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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