Product comparison · 2 laptops

Lenovo ThinkPad R400 Intel® Core™2 Duo P8700 vs Lenovo ThinkPad x220 Tablet

78specifications compared
47differ
31identical
86known for one product only

Key differences

Display diagonal
- ThinkPad R400 Intel® Core™2 Duo P8700:35.8 cm (14.1")
- ThinkPad x220 Tablet:31.8 cm (12.5")
Display resolution
- ThinkPad R400 Intel® Core™2 Duo P8700:1280 x 800 pixels
- ThinkPad x220 Tablet:1366 x 768 pixels
Native aspect ratio
- ThinkPad R400 Intel® Core™2 Duo P8700:16:10
- ThinkPad x220 Tablet:16:9
Processor family
- ThinkPad R400 Intel® Core™2 Duo P8700:Intel® Core™2 Duo
- ThinkPad x220 Tablet:Intel® Core™ i5
Processor model
- ThinkPad R400 Intel® Core™2 Duo P8700:P8700
- ThinkPad x220 Tablet:i5-2520M
Processor threads
- ThinkPad R400 Intel® Core™2 Duo P8700:2
- ThinkPad x220 Tablet:4
Processor frequency
- ThinkPad R400 Intel® Core™2 Duo P8700:2.53 GHz
- ThinkPad x220 Tablet:2.5 GHz
Processor cache type
- ThinkPad R400 Intel® Core™2 Duo P8700:L2
- ThinkPad x220 Tablet:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of R400, ThinkPad x220 Tablet
164 specifications	A Lenovo ThinkPad R400 Intel® Core™2 Duo P8700 Model R400 View product	B Lenovo ThinkPad x220 Tablet View product
Display3 differ
Display diagonalDiffers	35.8 cm (14.1")	31.8 cm (12.5")
Display resolutionDiffers	1280 x 800 pixels	1366 x 768 pixels
HD typeKnown for one	Not supported	Unknown — not stated by the source
LED backlightKnown for one	No	Unknown — not stated by the source
Native aspect ratioDiffers	16:10	16:9
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ i5
Processor modelDiffers	P8700	i5-2520M
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.53 GHz	2.5 GHz
Processor cache	3 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Processor socketDiffers	Socket 479	Socket 988
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core i5-2500 Mobile Series
Processor codenameDiffers	Penryn	Sandy Bridge
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
SteppingDiffers	R0	J1
Thermal Design Power (TDP)Differs	25 W	35 W
TjunctionDiffers	105 °C	100 °C
Number of Processing Die TransistorsKnown for one	410 M	Unknown — not stated by the source
Processing Die sizeKnown for one	107 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	9.5	25
ECC supported by processor	No	No
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i5
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 1x8+2x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Memory2 differ
Internal memoryDiffers	3 GB	2 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Maximum internal memoryDiffers	4 GB	8 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage3 differ
Total storage capacityKnown for one	160 GB	Unknown — not stated by the source
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 capacityDiffers	160 GB	320 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD-ROM	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, MS Pro, SD, SDHC, xD	SD
Graphics2 differ
On-board graphics card	Yes	Yes
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
Graphics card family	Intel	Intel
On-board graphics card familyDiffers	Intel® GMA	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® GMA 4500MHD	Intel® HD Graphics 3000
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	650 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1300 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Maximum resolutionKnown for one	Unknown — not stated by the source	1366 x 768 pixels
Graphics cardKnown for one	Unknown — not stated by the source	HD Graphics
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Audio includedKnown for one	Unknown — not stated by the source	Mute Button, Speakers (integrated)
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network1 differ
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
BluetoothDiffers	Yes	No
Wireless technologyKnown for one	Unknown — not stated by the source	WAN; LAN
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces1 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
DisplayPorts 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) portsKnown for one	1	Unknown — not stated by the source
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputs	1	1
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slotKnown for one	Yes	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Keyboard typeKnown for one	Unknown — not stated by the source	7-row with Trackpoint
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Processor special features19 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
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 TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	37006	52229
Processor codeDiffers	SLGFE	SR048
Processor package sizeDiffers	35 x 35 mm	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	32 nm
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Poweridentical
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	110 - 240 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	30 - 80%	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2.4 kg	1.76 kg
WidthKnown for one	Unknown — not stated by the source	305 mm
DepthKnown for one	Unknown — not stated by the source	295 mm
HeightKnown for one	Unknown — not stated by the source	20.7 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data portKnown for one	No	Unknown — not stated by the source
Internal modemKnown for one	Yes	Unknown — not stated by the source
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Security featuresKnown for one	Unknown — not stated by the source	Hard disk drive password, Norton Internet Security, Power on password, Security Slot Fingerprint Reader
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Modem typeKnown for one	Unknown — not stated by the source	No
Manageability featuresKnown for one	Unknown — not stated by the source	1-Button system recovery, Automatic software and driver updates, Help, Lenovo Care, Password management, Simple network connectivity
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
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)
Performanceidentical
GPS (satellite)Known for one	Unknown — not stated by the source	No
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	320GB SATA/ 7200

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