Product comparison · 2 laptops

Lenovo S21e-20 Intel® Celeron® N2840 Laptop vs Lenovo ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop

137specifications compared
67differ
70identical
55known for one product only

Key differences

Product colour
- S21e-20 Intel® Celeron® N2840 Laptop:Grey, Silver
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:Black
Display diagonal
- S21e-20 Intel® Celeron® N2840 Laptop:29.5 cm (11.6")
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:31.8 cm (12.5")
Processor family
- S21e-20 Intel® Celeron® N2840 Laptop:Intel® Celeron®
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:Intel® Core™ i5
Processor model
- S21e-20 Intel® Celeron® N2840 Laptop:N2840
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:i5-5200U
Processor threads
- S21e-20 Intel® Celeron® N2840 Laptop:2
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:4
Processor boost frequency
- S21e-20 Intel® Celeron® N2840 Laptop:2.58 GHz
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:2.7 GHz
Processor frequency
- S21e-20 Intel® Celeron® N2840 Laptop:2.16 GHz
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:2.2 GHz
Processor cache
- S21e-20 Intel® Celeron® N2840 Laptop:1 MB
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:3 MB

Side by side

Differences highlightedShow differences only

Comparison of S21e-20, X250
192 specifications	A Lenovo S21e-20 Intel® Celeron® N2840 Laptop Model S21e-20 View product	B Lenovo ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop Model X250 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Grey, Silver	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Glass fibre, Plastic
Display1 differ
Display diagonalDiffers	29.5 cm (11.6")	31.8 cm (12.5")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
Panel typeKnown for one	Unknown — not stated by the source	IPS
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	700:1
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	5th gen Intel® Core™ i5
Processor modelDiffers	N2840	i5-5200U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyDiffers	2.58 GHz	2.7 GHz
Processor frequencyDiffers	2.16 GHz	2.2 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 1170	BGA 1168
Processor lithographyDiffers	22 nm	14 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Celeron Processor N2000 Series for Mobile	Intel® Core™ i5-5200 Mobile Series
Processor codenameDiffers	Bay Trail	Broadwell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
FSB Parity	No	No
SteppingDiffers	C0	F0
Thermal Design Power (TDP)Differs	7.5 W	15 W
Configurable TDP-downKnown for one	Unknown — not stated by the source	7.5 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.6 GHz
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesDiffers	4	12
PCI Express configurationsDiffers	1x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	On-board	SO-DIMM
Memory layout (slots x size)Differs	1 x 2 GB	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Maximum internal memoryDiffers	4 GB	8 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	8 GB
Storage3 differ
Total storage capacityDiffers	32 GB	500 GB
Storage mediaDiffers	Flash	Hybrid-HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Hybrid-HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MicroSD (TransFlash)	MMC, SD, SDHC, SDXC
Flash memoryKnown for one	32 GB	Unknown — not stated by the source
Graphics3 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 modelDiffers	Intel® HD Graphics	Intel® HD Graphics 5500
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	16 GB
On-board graphics card base frequencyDiffers	311 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	792 MHz	900 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.2
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x1616
Maximum resolutionKnown for one	Unknown — not stated by the source	3840 x 2160 pixels
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
On-board graphics card burst frequencyKnown for one	792 MHz	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	Dolby Advanced Audio
Number of built-in speakers	2	2
Speaker power	1.5 W	1.5 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Network2 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantity	0	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
Thunderbolt ports quantity	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Micro HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Headphone outputsKnown for one	0	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	2	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel SoC
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8.1 Pro
Processor special features23 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	22 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyDiffers	Yes	No
Intel Smart Response 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)Differs	No	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)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® High Definition Audio (Intel® HD Audio)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	Yes
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x
Processor ARK IDDiffers	82103	85212
Processor codeDiffers	SR1YJ	SR23Y
Processor package sizeDiffers	25 x 27 mm	40 x 24 x 1.3 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	Yes	Yes
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	4	3+3
Battery capacityDiffers	23.2 Wh	47 Wh
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery life (max)Known for one	5 h	Unknown — not stated by the source
Poweridentical
AC adapter power	45 W	45 W
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
DC-in jack	Yes	Yes
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
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificates	RoHS	RoHS
Wi-Fi certifiedKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	GREENGUARD
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WidthDiffers	295 mm	305.5 mm
DepthDiffers	212 mm	208.5 mm
HeightDiffers	19 mm	20.3 mm
WeightKnown for one	1.25 kg	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	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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