Lenovo ThinkPad T520i vs Lenovo X220 DOS CH

Comparison of ThinkPad T520i, X220 DOS CH

140 specifications	A Lenovo ThinkPad T520iView product	B Lenovo X220 DOS CHView product
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Black
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
LED backlightKnown for one	—Unknown — not stated by the source	Yes
Native aspect ratioKnown for one	—Unknown — not stated by the source	16:9
Display surfaceKnown for one	—Unknown — not stated by the source	Matt
Processor1 differ
Processor manufacturerKnown for one	—Unknown — not stated by the source	Intel
Processor familyKnown for one	—Unknown — not stated by the source	Intel® Core™ i7
Processor generationKnown for one	—Unknown — not stated by the source	2nd gen Intel® Core™ i7
Processor modelKnown for one	—Unknown — not stated by the source	i7-2620M
Processor coresKnown for one	—Unknown — not stated by the source	2
Processor threadsKnown for one	—Unknown — not stated by the source	4
Processor boost frequencyKnown for one	—Unknown — not stated by the source	3.4 GHz
Processor frequencyKnown for one	—Unknown — not stated by the source	2.7 GHz
System bus rateKnown for one	—Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache typeKnown for one	—Unknown — not stated by the source	Smart Cache
Processor socketKnown for one	—Unknown — not stated by the source	BGA 1023
Processor lithographyKnown for one	—Unknown — not stated by the source	32 nm
Processor operating modesKnown for one	—Unknown — not stated by the source	64-bit
Processor seriesKnown for one	—Unknown — not stated by the source	Intel Core i7-2600 Mobile Series
Processor codenameKnown for one	—Unknown — not stated by the source	Sandy Bridge
Bus typeKnown for one	—Unknown — not stated by the source	DMI
FSB ParityKnown for one	—Unknown — not stated by the source	No
SteppingKnown for one	—Unknown — not stated by the source	J1
Thermal Design Power (TDP)Known for one	—Unknown — not stated by the source	35 W
TjunctionKnown for one	—Unknown — not stated by the source	100 °C
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
CPU multiplier (bus/core ratio)Known for one	—Unknown — not stated by the source	27
ECC supported by processorKnown for one	—Unknown — not stated by the source	No
Processor front side busKnown for one	1333 MHz	—Unknown — not stated by the source
Memoryidentical
Internal memoryKnown for one	—Unknown — not stated by the source	4 GB
Internal memory typeKnown for one	—Unknown — not stated by the source	DDR3-SDRAM
Memory slotsKnown for one	—Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	—Unknown — not stated by the source	16 GB
Storageidentical
Total storage capacityKnown for one	—Unknown — not stated by the source	320 GB
Optical drive typeKnown for one	—Unknown — not stated by the source	No
Card reader integratedKnown for one	—Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics cardKnown for one	—Unknown — not stated by the source	Yes
Discrete graphics cardKnown for one	—Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	—Unknown — not stated by the source	Intel® HD Graphics 3000
Graphics card familyKnown for one	—Unknown — not stated by the source	Intel
On-board graphics card familyKnown for one	—Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	—Unknown — not stated by the source	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	1366 x 768 pixels	—Unknown — not stated by the source
Networkidentical
Wi-FiKnown for one	—Unknown — not stated by the source	Yes
Networking featuresKnown for one	—Unknown — not stated by the source	Gigabit Ethernet
Wi-Fi standardsKnown for one	—Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANKnown for one	—Unknown — not stated by the source	Yes
BluetoothKnown for one	—Unknown — not stated by the source	Yes
Cabling technologyKnown for one	—Unknown — not stated by the source	10/100/1000Base-T(X)
Integrated 4G WiMAXKnown for one	—Unknown — not stated by the source	Yes
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	—Unknown — not stated by the source	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	—Unknown — not stated by the source	1
eSATA/USB 2.0 ports quantityKnown for one	—Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) 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) portsKnown for one	—Unknown — not stated by the source	1
HDMI ports quantityKnown for one	—Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	—Unknown — not stated by the source	1
DVI portKnown for one	—Unknown — not stated by the source	No
VGA (D-Sub) ports quantityKnown for one	—Unknown — not stated by the source	1
Firewire (IEEE 1394) portsKnown for one	—Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	—Unknown — not stated by the source	0
Headphone outputsKnown for one	—Unknown — not stated by the source	1
S/PDIF out portKnown for one	—Unknown — not stated by the source	No
Microphone inKnown for one	—Unknown — not stated by the source	Yes
ExpressCard slotKnown for one	—Unknown — not stated by the source	Yes
CardBus PCMCIA slots quantityKnown for one	—Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	—Unknown — not stated by the source	No
SmartCard slotKnown for one	—Unknown — not stated by the source	No
TV-outKnown for one	—Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	—Unknown — not stated by the source	Intel® QM67 Express
Keyboardidentical
Pointing deviceKnown for one	—Unknown — not stated by the source	Touchpad
Softwareidentical
Operating system installedKnown for one	—Unknown — not stated by the source	FreeDOS
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	—Unknown — not stated by the source	Yes
CPU configuration (max)Known for one	—Unknown — not stated by the source	1
Embedded options availableKnown for one	—Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	—Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	—Unknown — not stated by the source	Yes
Graphics & IMC lithographyKnown for one	—Unknown — not stated by the source	32 nm
Idle StatesKnown for one	—Unknown — not stated by the source	Yes
Intel 64Known for one	—Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	—Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	—Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	—Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	—Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	—Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	—Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	—Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	—Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	—Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	—Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	—Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	—Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	—Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	—Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one	—Unknown — not stated by the source	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	—Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	—Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	—Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	—Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyKnown for one	—Unknown — not stated by the source	Yes
Intel® Insider™Known for one	—Unknown — not stated by the source	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	—Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	—Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	—Unknown — not stated by the source	2.0
Processor ARK IDKnown for one	—Unknown — not stated by the source	52231
Processor codeKnown for one	—Unknown — not stated by the source	SR041
Processor package sizeKnown for one	—Unknown — not stated by the source	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsKnown for one	—Unknown — not stated by the source	AVX
Thermal Monitoring TechnologiesKnown for one	—Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	—Unknown — not stated by the source	No
Batteryidentical
Number of battery cellsKnown for one	—Unknown — not stated by the source	9
Poweridentical
DC-in jackKnown for one	—Unknown — not stated by the source	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	Kensington
Fingerprint readerKnown for one	—Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	1.65 kg
WidthKnown for one	—Unknown — not stated by the source	305 mm
DepthKnown for one	—Unknown — not stated by the source	230 mm
Height (front)Known for one	—Unknown — not stated by the source	1.9 cm
Height (rear)Known for one	—Unknown — not stated by the source	3.5 cm
Other featuresidentical
Power supply typeKnown for one	—Unknown — not stated by the source	AC/DC
Internal modemKnown for one	—Unknown — not stated by the source	No
TV tuner integratedKnown for one	—Unknown — not stated by the source	No
Supplied AC adapter typeKnown for one	—Unknown — not stated by the source	AC
Modem speedKnown for one	56 Kbit/s	—Unknown — not stated by the source
Audioidentical
Speaker powerKnown for one	1 W	—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.