Product comparison · 2 laptops

Fujitsu A531 + Office Home and Business vs Fujitsu E751 (vPro)

157specifications compared
38differ
119identical
50known for one product only

Key differences

Product colour
- A531 + Office Home and Business:Black, Silver
- E751 (vPro):Black, Grey
Contrast ratio (typical)
- A531 + Office Home and Business:400:1
- E751 (vPro):300:1
Processor model
- A531 + Office Home and Business:i5-2430M
- E751 (vPro):i5-2540M
Processor boost frequency
- A531 + Office Home and Business:3 GHz
- E751 (vPro):3.3 GHz
Processor frequency
- A531 + Office Home and Business:2.4 GHz
- E751 (vPro):2.6 GHz
Processor socket
- A531 + Office Home and Business:Socket 988
- E751 (vPro):BGA 1023
Tjunction
- A531 + Office Home and Business:100 °C
- E751 (vPro):100 C
CPU multiplier (bus/core ratio)
- A531 + Office Home and Business:24
- E751 (vPro):26

Side by side

Differences highlightedShow differences only

Comparison of A531 + Office Home and Business, E751 (vPro)
207 specifications	A Fujitsu A531 + Office Home and Business View product	B Fujitsu E751 (vPro)View product
Design1 differ
Product colourDiffers	Black, Silver	Black, Grey
Form factorKnown for one	Unknown — not stated by the source	Clamshell
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightness	220 cd/m²	220 cd/m²
External displayKnown for one	No	Unknown — not stated by the source
Contrast ratio (typical)Differs	400:1	300:1
HD typeKnown for one	Unknown — not stated by the source	HD
Display diagonal (metric)Known for one	Unknown — not stated by the source	36.9 cm
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i5
Processor modelDiffers	i5-2430M	i5-2540M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3 GHz	3.3 GHz
Processor frequencyDiffers	2.4 GHz	2.6 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket 988	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i5-2500 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	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	24	26
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory slots (available)Known for one	0	Unknown — not stated by the source
Maximum internal memory	8 GB	8 GB
Storage2 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	2.5"	2.5"
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MS PRO, SD, SDHC	Memory Stick (MS), MS PRO, SD, SDHC, SDXC
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
Graphics card family	Intel	Intel
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)Differs	1200 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Maximum resolutionDiffers	1920 x 1200 pixels	2560 x 1600 pixels
Audioidentical
Audio systemKnown for one	Realtek ALC269 HD	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
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Cameraidentical
Front camera resolution (numeric)	1.3 MP	1.3 MP
Network4 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionDiffers	2.1+EDR	3.0+HS
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
LAN controllerDiffers	Realtek RTL8111E	Intel® 82579LM
Integrated 4G WiMAX	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Built-in Wi-Fi switchKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces6 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	1
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
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
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
Performance1 differ
Motherboard chipsetDiffers	Intel® HM65 Express	Intel® QM67 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Keyboard backlitKnown for one	No	Unknown — not stated by the source
Numeric keypadDiffers	Yes	No
Spill-resistant keyboard	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard number of keysKnown for one	106	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard keystrokeKnown for one	1.8 mm	Unknown — not stated by the source
Keyboard key pitchKnown for one	1.98 cm	Unknown — not stated by the source
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureDiffers	64-bit	32-bit
Drivers included	Yes	Yes
Pre-installed softwareKnown for one	Adobe Acrobat Reader, CyberLink YouCam, EasyGuide, Nero Essentials S, Norton Internet Security, Microsoft Office Starter	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 7 Starter 32-bit	Unknown — not stated by the source
Processor special features5 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 TechnologyDiffers	No	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)Differs	No	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® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	53450	50072
Processor codeDiffers	SR04W	SR046
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityKnown for one	48 Wh	Unknown — not stated by the source
Battery life (max)Differs	6 h	10 h
Power1 differ
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentKnown for one	3.25 A	Unknown — not stated by the source
AC adapter output voltageDiffers	20 V	19 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	No	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Storage temperature (T-T)	-15 - 60 °C	-15 - 60 °C
Operating relative humidity (H-H)	20 - 85%	20 - 85%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 85%
Certificates1 differ
CertificationDiffers	CE Marking, R&TTE, ENERGY STAR 5.0, RoHS, GOST	GS, CE, Nordic Swan, WEEE, HCT / HCL / WHQL
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Wi-Fi certifiedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.75 kg	2.5 kg
WidthDiffers	378 mm	372 mm
DepthDiffers	252 mm	245 mm
HeightDiffers	36.5 mm	35 mm
Width (imperial)Known for one	Unknown — not stated by the source	37.4 cm (14.7")
Depth (imperial)Known for one	Unknown — not stated by the source	24.5 cm (9.65")
Height (imperial)Known for one	Unknown — not stated by the source	3.71 cm (1.46")
Packaging contentidentical
AC adapter included	Yes	Yes
Bag includedKnown for one	No	Unknown — not stated by the source
Remote control includedKnown for one	No	Unknown — not stated by the source
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Power supply type	AC/DC	AC/DC
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
Number of products includedKnown for one	Unknown — not stated by the source	1 pc(s)
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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