Product comparison · 2 laptops

Lenovo ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop vs Lenovo Edge E531

136specifications compared
28differ
108identical
47known for one product only

Key differences

Display diagonal
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:35.6 cm (14")
- Edge E531:39.6 cm (15.6")
Processor family
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:Intel® Core™ i3
- Edge E531:Intel® Core™ i5
Processor generation
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:3rd gen Intel® Core™ i3
- Edge E531:3rd gen Intel® Core™ i5
Processor model
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:i3-3120M
- Edge E531:i5-3230M
Processor frequency
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:2.5 GHz
- Edge E531:2.6 GHz
PCI Express slots version
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:2.0
- Edge E531:3.0
CPU multiplier (bus/core ratio)
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:25
- Edge E531:26
Total storage capacity
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:320 GB
- Edge E531:500 GB

Side by side

Differences highlightedShow differences only

Comparison of E431, Edge E531
183 specifications	A Lenovo ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop Model E431 View product	B Lenovo Edge E531 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
HD typeKnown for one	HD	Unknown — not stated by the source
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i3	3rd gen Intel® Core™ i5
Processor modelDiffers	i3-3120M	i5-3230M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
Processor frequencyDiffers	2.5 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 socketKnown for one	Unknown — not stated by the source	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-3100 Mobile Series	Intel Core i5-3200 Mobile series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingKnown for one	Unknown — not stated by the source	L1
Thermal Design Power (TDP)	35 W	35 W
Tjunction	105 °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 versionDiffers	2.0	3.0
CPU multiplier (bus/core ratio)Differs	25	26
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
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 speed	7200 RPM	7200 RPM
Optical drive typeDiffers	DVD±RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphicsidentical
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4000	Intel® HD Graphics 4000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card ID	0x166	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
Audioidentical
Audio system	HD	HD
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Swivel webcamKnown for one	No	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
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 rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	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	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic portDiffers	No	Yes
Microphone inDiffers	Yes	No
Docking connectorDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Mini DisplayPort/Thunderbolt combo portKnown for one	No	Unknown — not stated by the source
Mini HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Micro HDMI ports quantityKnown for one	0	Unknown — not stated by the source
LAN/VGA combo portKnown for one	No	Unknown — not stated by the source
Mini VGA ports quantityKnown for one	0	Unknown — not stated by the source
Line-inKnown for one	No	Unknown — not stated by the source
ExpressCard slotKnown for one	Yes	Unknown — not stated by the source
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Modem (RJ-11) portsKnown 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 HM76 Express	Intel HM77 Express
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating system	Windows 8 Pro	Windows 8 Pro
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	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 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 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)Differs	No	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)Differs	Yes	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® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	71465	72056
Processor codeKnown for one	Unknown — not stated by the source	SR0WX
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	6 h
Poweridentical
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.14 kg	2.46 kg
WidthDiffers	344 mm	377 mm
DepthDiffers	239 mm	250 mm
Height (front)Known for one	Unknown — not stated by the source	2.66 cm
Height (rear)Known for one	Unknown — not stated by the source	2.96 cm
HeightKnown for one	25 mm	Unknown — not stated by the source
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
QuantityKnown for one	Unknown — not stated by the source	1
64-bit computingKnown for one	Unknown — not stated by the source	Yes
Intel segment tagging	Home office, Small Business	Home office, Small Business
Optical driveidentical
LightScribeKnown for one	No	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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