Product comparison · 2 laptops

Acer Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop vs Lenovo ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop

130specifications compared
48differ
82identical
43known for one product only

Key differences

Display diagonal
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:39.6 cm (15.6")
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:35.6 cm (14")
Display resolution
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:1366 x 768 pixels
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:1600 x 900 pixels
HD type
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:HD
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:HD+
Processor family
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:Intel® Core™ i3
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:Intel® Core™ i7
Processor generation
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:2nd gen Intel® Core™ i3
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:3rd gen Intel® Core™ i7
Processor model
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:i3-2365M
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:i7-3687U
Processor frequency
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:1.4 GHz
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:2.1 GHz
Processor cache
- Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop:3 MB
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:4 MB

Side by side

Differences highlightedShow differences only

Comparison of 571-6662, T431s
173 specifications	A Acer Aspire 571-6662 Intel® Core™ i3 i3-2365M Laptop Model 571-6662 View product	B Lenovo ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop Model T431s View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
Touchscreen	No	No
HD typeDiffers	HD	HD+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	270 cd/m²
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	2nd gen Intel® Core™ i3	3rd gen Intel® Core™ i7
Processor modelDiffers	i3-2365M	i7-3687U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.3 GHz
Processor frequencyDiffers	1.4 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i7-3600 Mobile series
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	J1	L1
Thermal Design Power (TDP)	17 W	17 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x8, 1x16, 2x4, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	14	21
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	6 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory form factorKnown for one	Unknown — not stated by the source	On-board + SO-DIMM
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	12 GB
Storage4 differ
Total storage capacityDiffers	750 GB	240 GB
Storage mediaDiffers	HDD	SSD
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	240 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	750 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics 4000
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1200 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x166
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	DHT	DHTv4
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Built-in microphone	Yes	Yes
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	Yes
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Integrated 4G WiMAX	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	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	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsKnown for one	Unknown — not stated by the source	0
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
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 slotKnown for one	No	Unknown — not stated by the source
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8 Pro
Processor special features8 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 lithographyDiffers	32 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 Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	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)Differs	No	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
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® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	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® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	70272	71258
Processor codeDiffers	SR0U3	SR0XH
Processor package size	31.0 x 24.0 (BGA1023)	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Battery3 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	3
Battery life (max)Differs	5 h	9 h
Battery capacityKnown for one	2500 mAh	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Security2 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerDiffers	No	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD, Supervisor, User	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.3 kg	1.63 kg
WidthDiffers	381 mm	334 mm
DepthDiffers	254 mm	226 mm
HeightDiffers	22.9 mm	20.6 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
3DKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel HM77 Express	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.

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