Product comparison · 2 laptops

Lenovo ThinkPad R400 Intel® Core™2 Duo P8700 vs Lenovo X61 Tablet

100specifications compared
33differ
67identical
61known for one product only

Key differences

Display diagonal
- ThinkPad R400 Intel® Core™2 Duo P8700:35.8 cm (14.1")
- X61 Tablet:30.7 cm (12.1")
Display resolution
- ThinkPad R400 Intel® Core™2 Duo P8700:1280 x 800 pixels
- X61 Tablet:1024 x 768 pixels
Native aspect ratio
- ThinkPad R400 Intel® Core™2 Duo P8700:16:10
- X61 Tablet:4:3
Processor model
- ThinkPad R400 Intel® Core™2 Duo P8700:P8700
- X61 Tablet:L7500
Processor frequency
- ThinkPad R400 Intel® Core™2 Duo P8700:2.53 GHz
- X61 Tablet:1.6 GHz
Processor cache
- ThinkPad R400 Intel® Core™2 Duo P8700:3 MB
- X61 Tablet:4 MB
Processor front side bus
- ThinkPad R400 Intel® Core™2 Duo P8700:1066 MHz
- X61 Tablet:800 MHz
Processor lithography
- ThinkPad R400 Intel® Core™2 Duo P8700:45 nm
- X61 Tablet:65 nm

Side by side

Differences highlightedShow differences only

Comparison of R400, X61 Tablet
161 specifications	A Lenovo ThinkPad R400 Intel® Core™2 Duo P8700 Model R400 View product	B Lenovo X61 Tablet View product
Designidentical
Product typeKnown for one	Unknown — not stated by the source	Hybrid (2-in-1)
Product colourKnown for one	Unknown — not stated by the source	Black
Form factorKnown for one	Unknown — not stated by the source	Convertible (Swivel)
Display3 differ
Display diagonalDiffers	35.8 cm (14.1")	30.7 cm (12.1")
Display resolutionDiffers	1280 x 800 pixels	1024 x 768 pixels
TouchscreenKnown for one	Unknown — not stated by the source	Yes
LED backlight	No	No
Native aspect ratioDiffers	16:10	4:3
Dual-screenKnown for one	Unknown — not stated by the source	No
HD typeKnown for one	Not supported	Unknown — not stated by the source
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8700	L7500
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.53 GHz	1.6 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Processor socket	Socket 479	Socket 479
Processor lithographyDiffers	45 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo L7000 Series
Processor codenameDiffers	Penryn	Merom
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	25 W	17 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	9.5	8
ECC supported by processor	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	3 GB	1 GB
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	160 GB	80 GB
HDD capacityDiffers	160 GB	80 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD-ROM	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, MS Pro, SD, SDHC, xD	SD
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphicsidentical
Graphics card family	Intel	Intel
Graphics cardKnown for one	Unknown — not stated by the source	GMA X3100
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® GMA	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® GMA 4500MHD	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	AD1984 Codec
Number of built-in speakersKnown for one	Unknown — not stated by the source	1
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Cameraidentical
Front camera	No	No
Networkidentical
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Bluetooth	Yes	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slotDiffers	Yes	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
TV-in portKnown for one	Unknown — not stated by the source	No
TV-out	No	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM965
GPS (satellite)Known for one	Unknown — not stated by the source	No
Keyboardidentical
Keyboard number of keysKnown for one	Unknown — not stated by the source	89
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features3 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 TechnologyDiffers	Yes	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	37006	29757
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	SLGFE	Unknown — not stated by the source
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	8
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
DC-in jack	Yes	Yes
AC adapter input voltageKnown for one	110 - 240 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	No
HDD user password	Yes	Yes
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	5 - 43 °C
Operating relative humidity (H-H)Differs	30 - 80%	8 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 2438 m
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	FCC, VCCI, CISPR22, UL 60950, CSA, NOM, SASO, IEC 60950, ACA, MPR-II, CE Mark, CCC, BSMI, CER
Weight & dimensions1 differ
WeightDiffers	2.4 kg	1.93 kg
WidthKnown for one	Unknown — not stated by the source	274 mm
DepthKnown for one	Unknown — not stated by the source	266.7 mm
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	No
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Power requirementsKnown for one	Unknown — not stated by the source	230 V
Internal modem	Yes	Yes
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Modem speed	56 Kbit/s	56 Kbit/s
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
Optical driveidentical
LightScribeKnown for one	No	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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