Product comparison · 2 laptops

Dell Chromebook 3120 Intel® Celeron® N2840 vs Dell 3340 + 630-15806

144specifications compared
58differ
86identical
66known for one product only

Key differences

Product type
- Chromebook 3120 Intel® Celeron® N2840:Chromebook
- 3340 + 630-15806:Laptop
Display diagonal
- Chromebook 3120 Intel® Celeron® N2840:29.5 cm (11.6")
- 3340 + 630-15806:33.8 cm (13.3")
Display brightness
- Chromebook 3120 Intel® Celeron® N2840:220 cd/m²
- 3340 + 630-15806:200 cd/m²
Processor family
- Chromebook 3120 Intel® Celeron® N2840:Intel® Celeron®
- 3340 + 630-15806:Intel® Core™ i3
Processor model
- Chromebook 3120 Intel® Celeron® N2840:N2840
- 3340 + 630-15806:i3-4030U
Processor threads
- Chromebook 3120 Intel® Celeron® N2840:2
- 3340 + 630-15806:4
Processor frequency
- Chromebook 3120 Intel® Celeron® N2840:2.16 GHz
- 3340 + 630-15806:1.9 GHz
Processor cache
- Chromebook 3120 Intel® Celeron® N2840:1 MB
- 3340 + 630-15806:3 MB

Side by side

Differences highlightedShow differences only

Comparison of 3120, 3340 + 630-15806
210 specifications	A Dell Chromebook 3120 Intel® Celeron® N2840 Model 3120 View product	B Dell 3340 + 630-15806 View product
Design1 differ
Product typeDiffers	Chromebook	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioning	Educational	Educational
Display2 differ
Display diagonalDiffers	29.5 cm (11.6")	33.8 cm (13.3")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeKnown for one	Unknown — not stated by the source	HD
Display number of coloursKnown for one	Unknown — not stated by the source	262144 colours
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Display brightnessDiffers	220 cd/m²	200 cd/m²
Pixel pitchKnown for one	Unknown — not stated by the source	0.2148 x 0.2148 mm
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i3
Processor modelDiffers	N2840	i3-4030U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.16 GHz	1.9 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 lithography	22 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor N2000 Series for Mobile	Intel® Core™ i3-4000 Mobile Series
Processor codenameDiffers	Bay Trail	Haswell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
FSB Parity	No	No
SteppingDiffers	C0	D0
Thermal Design Power (TDP)Differs	7.5 W	15 W
Tjunction	100 °C	100 °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
Processor boost frequencyKnown for one	2.58 GHz	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speedDiffers	1333 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory layout (slots x size)	1 x 4 GB	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x 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	16 GB	500 GB
Storage mediaDiffers	Flash	HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
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	SD	MMC, MMC+, SD
Flash memoryKnown for one	16 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 4400
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card base frequencyDiffers	311 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	792 MHz	1000 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDKnown for one	Unknown — not stated by the source	0xA16
On-board graphics card burst frequencyKnown for one	792 MHz	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	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera resolution (numeric)Known for one	0.92 MP	Unknown — not stated by the source
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi standards	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
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 & interfaces4 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	1	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	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 slot	No	No
Total number of SATA connectorsDiffers	2	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
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
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	ChromeOS	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
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Microsoft Office Professional 2013
Processor special features16 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
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	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
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® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)Differs	No	Yes
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® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	No	No
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x
Processor ARK IDDiffers	82103	81018
Processor codeDiffers	SR1YJ	SR1EN
Processor package sizeDiffers	25 x 27 mm	40 x 24 x 1.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	6
Battery capacityDiffers	43 Wh	65 Wh
Battery voltageKnown for one	Unknown — not stated by the source	11.1 V
Power1 differ
AC adapter power	65 W	65 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	6.67 A	3.34 A
AC adapter output voltage	19.5 V	19.5 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Password protectionKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 35 °C
Storage temperature (T-T)Differs	-40 - 70 °C	-40 - 65 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)Differs	10 - 95%	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-15.2 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-15.2 - 10668 m
Operating shockKnown for one	Unknown — not stated by the source	110 G
Non-operating shockKnown for one	Unknown — not stated by the source	160 G
Operating vibrationKnown for one	Unknown — not stated by the source	0.66 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	1.3 G
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CEC, BFR/PVC Free
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	1.27 kg	1.8 kg
WidthDiffers	297 mm	330.9 mm
DepthDiffers	217 mm	243.2 mm
Height (front)Differs	2 cm	2.27 cm
Height (rear)Differs	2.1 cm	3.4 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Education

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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