Product comparison · 2 laptops

Lenovo Flex 14 vs Lenovo ThinkPad S531

120specifications compared
53differ
67identical
63known for one product only

Key differences

Product type
- Flex 14:Hybrid (2-in-1)
- ThinkPad S531:Laptop
Product colour
- Flex 14:Black, Orange
- ThinkPad S531:Black
Display diagonal
- Flex 14:35.6 cm (14")
- ThinkPad S531:39.6 cm (15.6")
Display resolution
- Flex 14:1366 x 768 pixels
- ThinkPad S531:1920 x 1080 pixels
Processor family
- Flex 14:Intel® Core™ i3
- ThinkPad S531:Intel® Core™ i5
Processor generation
- Flex 14:4th gen Intel® Core™ i3
- ThinkPad S531:3rd gen Intel® Core™ i5
Processor model
- Flex 14:i3-4010U
- ThinkPad S531:i5-3337U
Processor frequency
- Flex 14:1.7 GHz
- ThinkPad S531:1.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of Flex 14, ThinkPad S531
183 specifications	A Lenovo Flex 14 View product	B Lenovo ThinkPad S531 View product
Design3 differ
Product typeDiffers	Hybrid (2-in-1)	Laptop
Product colourDiffers	Black, Orange	Black
Form factorDiffers	Convertible (Fold-back screen)	Clamshell
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
HD typeKnown for one	Unknown — not stated by the source	Full HD
LED backlightKnown for one	Unknown — not stated by the source	Yes
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Processor13 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i3	3rd gen Intel® Core™ i5
Processor modelDiffers	i3-4010U	i5-3337U
Processor frequencyDiffers	1.7 GHz	1.8 GHz
Processor socketDiffers	BGA 1168	BGA 1023
Processor seriesDiffers	Intel® Core™ i3-4000 Mobile Series	Intel Core i5-3300 Mobile series
Processor codenameDiffers	Haswell	Ivy Bridge
Bus typeDiffers	DMI2	DMI
SteppingDiffers	C0	L1
Thermal Design Power (TDP)Differs	15 W	17 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	2x4, 4x1	1x16, 2x8, 1x8+2x4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.7 GHz
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	18
Memory3 differ
Internal memoryDiffers	4 GB	6 GB
Memory clock speedDiffers	1333 MHz	1600 MHz
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	10 GB
Memory form factorKnown for one	Unknown — not stated by the source	On-board + SO-DIMM
Storage3 differ
Storage mediaDiffers	Hybrid-HDD	HDD
HDD speedDiffers	5400 RPM	7200 RPM
Hybrid-HDD cache typeKnown for one	SSD	Unknown — not stated by the source
Hybrid-HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Hybrid-HDD cache memoryKnown for one	8 GB	Unknown — not stated by the source
Compatible memory cardsDiffers	MMC, SD	MMC, SD, SDHC, SDXC
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics6 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon HD 8670M
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 4000
Maximum on-board graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card base frequencyDiffers	200 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1100 MHz
On-board graphics card DirectX versionKnown for one	11.2/12	Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
On-board graphics card IDDiffers	0xA16	0x166
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Audioidentical
Audio systemKnown for one	Dolby Advanced Audio	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	1 W	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.9 MP
Network1 differ
BluetoothDiffers	No	Yes
Data networkKnown for one	Not supported	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces3 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 quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Thunderbolt 2 ports quantityKnown for one	Unknown — not stated by the source	0
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Keyboard1 differ
Numeric keypadDiffers	No	Yes
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8	No
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features11 differ
Embedded options availableDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	75107	72055
Processor codeDiffers	SSSR16Q	SR0XL
Processor package sizeDiffers	40 x 24 x 1.5 mm	31 x 24 (BGA1023)
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX
UARTKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-x
Battery1 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Battery capacityKnown for one	Unknown — not stated by the source	48.8 Wh
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2 kg	2.29 kg
WidthDiffers	343.2 mm	379 mm
DepthDiffers	250.9 mm	253 mm
HeightDiffers	21.5 mm	20.7 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
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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