Product comparison · 2 laptops

Dell 15 3549 vs Lenovo ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop

151specifications compared
47differ
104identical
60known for one product only

Key differences

Display diagonal
- 15 3549:39.6 cm (15.6")
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:31.8 cm (12.5")
Display brightness
- 15 3549:200 cd/m²
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:300 cd/m²
Processor family
- 15 3549:Intel® Celeron®
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:Intel® Core™ i5
Processor model
- 15 3549:3205U
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:i5-5200U
Processor threads
- 15 3549:2
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:4
Processor frequency
- 15 3549:1.5 GHz
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:2.2 GHz
Processor cache
- 15 3549:2 MB
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:3 MB
Processor cache type
- 15 3549:L3
- ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of 15 3549, X250
211 specifications	A Dell 15 3549 View product	B Lenovo ThinkPad X250 Intel® Core™ i5 i5-5200U Laptop Model X250 View product
Designidentical
Housing materialKnown for one	Unknown — not stated by the source	Glass fibre, Plastic
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
HD typeKnown for one	HD	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightnessDiffers	200 cd/m²	300 cd/m²
Pixel pitchKnown for one	0.252 x 0.252 mm	Unknown — not stated by the source
Panel typeKnown for one	Unknown — not stated by the source	IPS
Contrast ratio (typical)Known for one	Unknown — not stated by the source	700:1
Processor10 differ
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i5
Processor modelDiffers	3205U	i5-5200U
Processor threadsDiffers	2	4
Processor frequencyDiffers	1.5 GHz	2.2 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor seriesDiffers	Intel Celeron Processor 3000 series for Mobile	Intel® Core™ i5-5200 Mobile Series
SteppingDiffers	E0	F0
Configurable TDP-downDiffers	10 W	7.5 W
PCI Express configurationsDiffers	2x4, 4x1	4x1, 2x4
Processor generationKnown for one	Unknown — not stated by the source	5th gen Intel® Core™ i5
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.7 GHz
Storage3 differ
Storage mediaDiffers	HDD	Hybrid-HDD
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	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	No
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
Hybrid-HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphics4 differ
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 5500
On-board graphics card base frequencyDiffers	100 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	800 MHz	900 MHz
On-board graphics card DirectX versionDiffers	11.2/12	11.2
Number of discrete graphics cards installedKnown for one	0	Unknown — not stated by the source
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	16 GB
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
Audio2 differ
Audio systemDiffers	Wave MaxxAudio	Dolby Advanced Audio
Speaker powerDiffers	2 W	1.5 W
Cameraidentical
Front camera resolution (numeric)Known for one	1 MP	Unknown — not stated by the source
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Network1 differ
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)
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
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
Headphone outputsKnown for one	0	Unknown — not stated by the source
Docking connectorDiffers	No	Yes
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
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
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1	Windows 7 Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8.1 Pro
Processor special features12 differ
Intel Small Business Advantage (SBA) versionDiffers	0.00	1.00
Intel Smart Response Technology versionDiffers	0.00	1.00
Intel Stable Image Platform Program (SIPP)Known for one	No	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	0.00	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® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® OS GuardDiffers	No	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	Yes
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	84809	85212
Processor codeDiffers	SR215	SR23Y
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Battery2 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsDiffers	4	3+3
Battery capacityDiffers	40 Wh	47 Wh
Battery voltageKnown for one	14.8 V	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	45 W
AC adapter output voltageKnown for one	19.5 V	Unknown — not stated by the source
Securityidentical
Password protectionKnown for one	Yes	Unknown — not stated by the source
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-15.2 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15.2 - 10668 m	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Silver, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightKnown for one	2.38 kg	Unknown — not stated by the source
WidthDiffers	381.4 mm	305.5 mm
DepthDiffers	267.5 mm	208.5 mm
HeightDiffers	25.6 mm	20.3 mm
Packaging contentidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel SoC
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Wi-Fi certifiedKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	GREENGUARD

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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