Product comparison · 2 laptops

Fujitsu LIFEBOOK P771 Intel® Core™ i7 i7-2617M vs Lenovo ThinkPad W520 Intel® Core™ i7 i7-2820QM

140specifications compared
44differ
96identical
61known for one product only

Key differences

Display diagonal
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:30.7 cm (12.1")
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:39.6 cm (15.6")
Display resolution
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:1280 x 800 pixels
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:1920 x 1080 pixels
Native aspect ratio
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:16:10
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:16:9
Processor model
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:i7-2617M
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:i7-2820QM
Processor cores
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:2
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:4
Processor threads
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:4
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:8
Processor boost frequency
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:2.6 GHz
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:3.4 GHz
Processor frequency
- LIFEBOOK P771 Intel® Core™ i7 i7-2617M:1.5 GHz
- ThinkPad W520 Intel® Core™ i7 i7-2820QM:2.3 GHz

Side by side

Differences highlightedShow differences only

Comparison of P771, W520
201 specifications	A Fujitsu LIFEBOOK P771 Intel® Core™ i7 i7-2617M Model P771 View product	B Lenovo ThinkPad W520 Intel® Core™ i7 i7-2820QM Model W520 View product
Designidentical
Product colour	Black	Black
Display3 differ
Display diagonalDiffers	30.7 cm (12.1")	39.6 cm (15.6")
Display resolutionDiffers	1280 x 800 pixels	1920 x 1080 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	16:10	16:9
Display surfaceKnown for one	Matt	Unknown — not stated by the source
External displayKnown for one	No	Unknown — not stated by the source
HD typeKnown for one	Unknown — not stated by the source	Full HD
Processor11 differ
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 modelDiffers	i7-2617M	i7-2820QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.6 GHz	3.4 GHz
Processor frequencyDiffers	1.5 GHz	2.3 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	4 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1023	Socket 1224
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Core i7-2800 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	J1	D2
Thermal Design Power (TDP)Differs	17 W	45 W
Tjunction	100 C	100 C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	15	23
ECC supported by processor	No	No
Processor front side busKnown for one	Unknown — not stated by the source	1600 MHz
Memory2 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Maximum internal memoryDiffers	8 GB	32 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x SO-DIMM
Memory slots (available)Known for one	Unknown — not stated by the source	2
Storage4 differ
Total storage capacityDiffers	320 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	320 GB	500 GB
HDD interface	SATA	SATA
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® Quadro® 2000M
Graphics card familyDiffers	Intel	Intel, 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 frequencyDiffers	350 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	950 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Maximum resolutionDiffers	1920 x 1200 pixels	1920 x 1080 pixels
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
Number of discrete graphics cardsKnown for one	Unknown — not stated by the source	1
Audioidentical
Audio systemKnown for one	Realtek ALC269	Unknown — not stated by the source
Number of built-in speakers	2	2
Built-in subwooferKnown for one	No	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Network2 differ
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	3G	Unknown — not stated by the source
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Ports & interfaces4 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 quantityDiffers	0	1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
Mini DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Micro HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Mini VGA ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
TV-out	No	No
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
Performanceidentical
Motherboard chipset	Intel® QM67 Express	Intel® QM67 Express
Keyboard2 differ
Pointing deviceDiffers	Touchpad + Scroll zone	ThinkPad UltraNav
Keyboard backlitKnown for one	No	Unknown — not stated by the source
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardDiffers	No	Yes
Keyboard number of keysKnown for one	83	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard keystrokeKnown for one	2 mm	Unknown — not stated by the source
Keyboard key pitchKnown for one	1.8 cm	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Pre-installed softwareKnown for one	Adobe Acrobat Reader, Application Panel, Display Manager, ShockSensor Utility, Power Saving Utility, Plugfree Network, EasyGuide, Nero Essentials S, Norton Internet Security, Fujitsu Recovery	Unknown — not stated by the source
Trial softwareKnown for one	Norton Internet Security	Unknown — not stated by the source
Compatible operating systemsKnown for one	Microsoft Windows 7 Home Premium 64-bit, Windows 7 Home Basic 64-bit, Windows XP Professional, Windows Vista Business 32-bit	Unknown — not stated by the source
Processor special features4 differ
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™Differs	No	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 IDDiffers	54616	52227
Processor codeDiffers	SR03T	SR00U
Processor package sizeDiffers	31.0 x 24.0 (BGA1023)	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
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	9
Battery life (max)Differs	15 h	8.9 h
Poweridentical
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Battery life with optional 2nd batteryKnown for one	18 h	Unknown — not stated by the source
AC adapter powerKnown for one	Unknown — not stated by the source	170 W
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Password protection typeDiffers	BIOS, HDD	HDD, Power on, Supervisor
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	20 - 85%	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CE, RoHS, WEEE, HCT, HCL entry, WHQL, ENERGY STAR 5.0	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	1.3 kg	3.11 kg
WidthDiffers	282 mm	372.8 mm
DepthDiffers	215 mm	245.1 mm
HeightKnown for one	29.9 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	3.16 cm
Height (rear)Known for one	Unknown — not stated by the source	3.58 cm
Width (imperial)Known for one	Unknown — not stated by the source	37.3 cm (14.7")
Depth (imperial)Known for one	Unknown — not stated by the source	24.5 cm (9.65")
Height (front) (imperial)Known for one	Unknown — not stated by the source	3.2 cm (1.26")
Height (rear) (imperial)Known for one	Unknown — not stated by the source	3.58 cm (1.41")
Packaging contentidentical
AC adapter included	Yes	Yes
Remote control includedKnown for one	No	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Internal modemKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Intel segment taggingKnown for one	Unknown — not stated by the source	Professional
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR

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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