Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), FR vs Lenovo ThinkPad X61 Tablet, CZ

84specifications compared
22differ
62identical
42known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), FR:38.1 cm (15")
- ThinkPad X61 Tablet, CZ:30.7 cm (12.1")
Processor model
- ThinkPad R61 (8944-66G), FR:T7100
- ThinkPad X61 Tablet, CZ:L7500
Processor frequency
- ThinkPad R61 (8944-66G), FR:1.8 GHz
- ThinkPad X61 Tablet, CZ:1.6 GHz
Processor socket
- ThinkPad R61 (8944-66G), FR:Socket 478
- ThinkPad X61 Tablet, CZ:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61 (8944-66G), FR:35 W
- ThinkPad X61 Tablet, CZ:17 W
CPU multiplier (bus/core ratio)
- ThinkPad R61 (8944-66G), FR:9
- ThinkPad X61 Tablet, CZ:8
Audio system
- ThinkPad R61 (8944-66G), FR:HDA 24-bit
- ThinkPad X61 Tablet, CZ:High Definition Audio
Number of built-in speakers
- ThinkPad R61 (8944-66G), FR:2
- ThinkPad X61 Tablet, CZ:1

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), FR, ThinkPad X61 Tablet, CZ
126 specifications	A Lenovo ThinkPad R61 (8944-66G), FR View product	B Lenovo ThinkPad X61 Tablet, CZ View product
Display1 differ
Display diagonalDiffers	38.1 cm (15")	30.7 cm (12.1")
Display resolution	1024 x 768 pixels	1024 x 768 pixels
Native aspect ratio	4:3	4:3
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T7100	L7500
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.8 GHz	1.6 GHz
Processor cache	4 MB	4 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo L7000 Series
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	35 W	17 W
Tjunction	100 °C	100 °C
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	9	8
ECC supported by processor	No	No
Memoryidentical
Internal memoryKnown for one	1 GB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR2-SDRAM	Unknown — not stated by the source
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 0.5 GB	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storageidentical
Total storage capacityKnown for one	80 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	120 GB
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD
Graphicsidentical
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA X3100	Unknown — not stated by the source
Graphics cardKnown for one	Unknown — not stated by the source	GMA X3100
Audio2 differ
Audio systemDiffers	HDA 24-bit	High Definition Audio
Number of built-in speakersDiffers	2	1
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet
Wireless technologyKnown for one	Intel 3945 a/b/g	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connectorKnown for one	Yes	Unknown — not stated by the source
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slotDiffers	No	Yes
Modem (RJ-11) ports	1	1
TV-in portKnown for one	No	Unknown — not stated by the source
TV-outKnown for one	Yes	Unknown — not stated by the source
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Yes	Unknown — not stated by the source
Processor special features2 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	No	Yes
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	29759	29757
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	6	4
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery life (max)Known for one	Unknown — not stated by the source	2.9 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 readerKnown for one	Yes	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.77 kg	1.8 kg
WidthDiffers	332 mm	274 mm
DepthDiffers	269 mm	244 mm
HeightDiffers	40 mm	33 mm
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	274 x 244 x 33 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
Infrared data portDiffers	No	Yes
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	V.92	V.90
Supplied AC adapter typeKnown for one	AC	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.

More laptop comparisons

All laptop comparisons