Product comparison · 2 laptops

Lenovo W520 DOS CH vs Lenovo W520 Win 7 CH

136specifications compared
3differ
133identical
4known for one product only

Key differences

DisplayPorts quantity
- W520 DOS CH:0
- W520 Win 7 CH:1
Operating system installed
- W520 DOS CH:FreeDOS
- W520 Win 7 CH:Windows 7 Professional
Cable lock slot
- W520 DOS CH:Yes
- W520 Win 7 CH:No

Side by side

Differences highlightedShow differences only

Comparison of W520 DOS CH, W520 Win 7 CH
140 specifications	A Lenovo W520 DOS CH View product	B Lenovo W520 Win 7 CH View product
Designidentical
Product colour	Black	Black
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
HD type	Full HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Matt	Matt
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i7
Processor model	i7-2720QM	i7-2720QM
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	3.3 GHz	3.3 GHz
Processor frequency	2.2 GHz	2.2 GHz
Processor cache	6 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	Socket 1224	Socket 1224
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-2700 Mobile Series	Intel Core i7-2700 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	D2	D2
Thermal Design Power (TDP)	45 W	45 W
Tjunction	100 C	100 C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8	1x16, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)	22	22
ECC supported by processor	No	No
Memoryidentical
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	4x SO-DIMM	4x SO-DIMM
Maximum internal memory	32 GB	32 GB
Storageidentical
Total storage capacity	500 GB	500 GB
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card model	NVIDIA® Quadro® 2000M	NVIDIA® Quadro® 2000M
Graphics card family	NVIDIA	NVIDIA
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1300 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi standards	802.11a, 802.11b, 802.11g	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
WWAN	Installed	Installed
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces1 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
TV-out	No	No
Performanceidentical
Motherboard chipset	Intel® QM67 Express	Intel® QM67 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 nm
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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	50067	50067
Processor code	SR00W	SR00W
Processor package size	37.5 x 37.5 (rPGA988B); 31.0 x 24.0 (BGA1224)	37.5 x 37.5 (rPGA988B); 31.0 x 24.0 (BGA1224)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	9	9
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
Weight	2.85 kg	2.85 kg
Width	373 mm	373 mm
Depth	270 mm	270 mm
Height (front)	3.3 cm	3.3 cm
Height (rear)	3.7 cm	3.7 cm
Other featuresidentical
Infrared data port	No	No
Power supply type	AC/DC	AC/DC
Internal modemKnown for one	No	Unknown — not stated by the source
TV tuner integrated	No	No
Intel segment tagging	Professional	Professional
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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