Product comparison · 2 laptops

Acer Aspire 731-4656 Intel® Pentium® 2020M Laptop vs ASUS X451CA-VX139D laptop Intel® Pentium® 2117U

124specifications compared
33differ
91identical
34known for one product only

Key differences

Product colour
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:Black, Stainless steel
- X451CA-VX139D laptop Intel® Pentium® 2117U:Black
Display diagonal
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:43.9 cm (17.3")
- X451CA-VX139D laptop Intel® Pentium® 2117U:35.6 cm (14")
Display resolution
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:1600 x 900 pixels
- X451CA-VX139D laptop Intel® Pentium® 2117U:1366 x 768 pixels
HD type
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:HD+
- X451CA-VX139D laptop Intel® Pentium® 2117U:HD
Processor model
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:2020M
- X451CA-VX139D laptop Intel® Pentium® 2117U:2117U
Processor frequency
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:2.4 GHz
- X451CA-VX139D laptop Intel® Pentium® 2117U:1.8 GHz
Processor socket
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:PGA988
- X451CA-VX139D laptop Intel® Pentium® 2117U:BGA 1023
Stepping
- Aspire 731-4656 Intel® Pentium® 2020M Laptop:L1
- X451CA-VX139D laptop Intel® Pentium® 2117U:P0

Side by side

Differences highlightedShow differences only

Comparison of 731-4656, X451CA-VX139D
158 specifications	A Acer Aspire 731-4656 Intel® Pentium® 2020M Laptop Model 731-4656 View product	B ASUS X451CA-VX139D laptop Intel® Pentium® 2117U Model X451CA-VX139D View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black, Stainless steel	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	43.9 cm (17.3")	35.6 cm (14")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeDiffers	HD+	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium®	Intel® Pentium®
Processor modelDiffers	2020M	2117U
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.4 GHz	1.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	2 MB	2 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	PGA988	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Pentium 2000 series for Mobile	Intel Pentium 2000 series for Mobile
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	L1	P0
Thermal Design Power (TDP)Differs	35 W	17 W
TjunctionDiffers	90 °C	105 °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	18
ECC supported by processor	No	No
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	4 GB
Maximum internal memory (64-bit)Known for one	8 GB	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
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 interfaceKnown for one	SATA	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
Audioidentical
Built-in microphone	Yes	Yes
Audio systemKnown for one	Unknown — not stated by the source	SonicMaster
Cameraidentical
Front camera	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Integrated 4G WiMAX	No	No
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces4 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Microphone inDiffers	Yes	No
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	22 nm	22 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 Rapid Storage Technology	No	No
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution Technology	No	No
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	No	No
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	71142	71469
Processor codeDiffers	SR0U1	SR0VQ
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	31 x 24 mm
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Battery2 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsDiffers	6	4
Battery capacityDiffers	4400 mAh	37 Wh
Battery life (max)Known for one	3 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	45 W
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC adapter output currentKnown for one	Unknown — not stated by the source	2.37 A
AC adapter output voltageKnown for one	Unknown — not stated by the source	19 V
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions4 differ
WidthDiffers	414 mm	348 mm
DepthDiffers	274.3 mm	241 mm
HeightKnown for one	35.6 mm	Unknown — not stated by the source
Height (front)Differs	3.1 cm	3.06 cm
Height (rear)Differs	3.45 cm	3.76 cm
WeightKnown for one	Unknown — not stated by the source	2.1 kg
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	UL, CE Marking Compliance, FCC Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EPEAT, Energy star, CECP, RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No

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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