Product comparison · 2 laptops

Lenovo ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop vs Lenovo ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop

128specifications compared
31differ
97identical
39known for one product only

Key differences

Display diagonal
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:39.6 cm (15.6")
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:35.6 cm (14")
Display resolution
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:1366 x 768 pixels
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:1600 x 900 pixels
Processor family
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:Intel® Core™ i3
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:Intel® Core™ i7
Processor generation
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:3rd gen Intel® Core™ i3
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:3rd gen Intel® Core™ i7
Processor model
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:i3-3227U
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:i7-3687U
Processor frequency
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:1.9 GHz
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:2.1 GHz
Processor cache
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:3 MB
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:4 MB
PCI Express configurations
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:1x16, 2x8, 1x8+2x4
- ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop:1x8, 1x16, 2x4, 2x8

Side by side

Differences highlightedShow differences only

Comparison of S531, T431s
167 specifications	A Lenovo ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop Model S531 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
Display2 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 typeKnown for one	Unknown — not stated by the source	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
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	3rd gen Intel® Core™ i3	3rd gen Intel® Core™ i7
Processor modelDiffers	i3-3227U	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	1.9 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 lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-3200 Mobile Series	Intel Core i7-3600 Mobile series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	L1	L1
Thermal Design Power (TDP)	17 W	17 W
Tjunction	105 °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	19	21
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	4 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 slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	12 GB
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	500 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 type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Graphics1 differ
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	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1200 MHz
On-board graphics card ID	0x166	0x166
Audio1 differ
Audio systemDiffers	Dolby Home Theater	DHTv4
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Speakers manufacturerKnown for one	JBL	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	Yes
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	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
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	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 & interfaces2 differ
USB 2.0 ports quantity	0	0
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 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 quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	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
Keyboard2 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Numeric keypadDiffers	Yes	No
Windows keysKnown for one	Yes	Unknown — not stated by the source
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 features7 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 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	72057	71258
Processor codeDiffers	SR0XF	SR0XH
Processor package sizeDiffers	31 x 24 (BGA1023)	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Battery1 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	3
Battery life (max)	9 h	9 h
Battery capacityKnown for one	62.8 Wh	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint reader	Yes	Yes
Weight & dimensions1 differ
WeightDiffers	2.29 kg	1.63 kg
WidthKnown for one	Unknown — not stated by the source	334 mm
DepthKnown for one	Unknown — not stated by the source	226 mm
HeightKnown for one	Unknown — not stated by the source	20.6 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
Manual	Yes	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

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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