Product comparison · 2 laptops

Acer Chromebook CB3-111-C1D4 Intel® Celeron® N2840 vs Lenovo ThinkPad E555

77specifications compared
35differ
42identical
82known for one product only

Key differences

Product type
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:Chromebook
- ThinkPad E555:Laptop
Product colour
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:White
- ThinkPad E555:Black
Display diagonal
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:29.5 cm (11.6")
- ThinkPad E555:39.6 cm (15.6")
Processor manufacturer
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:Intel
- ThinkPad E555:AMD
Processor family
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:Intel® Celeron®
- ThinkPad E555:AMD A6
Processor model
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:N2840
- ThinkPad E555:A6-7000
Processor boost frequency
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:2.58 GHz
- ThinkPad E555:3 GHz
Processor frequency
- Chromebook CB3-111-C1D4 Intel® Celeron® N2840:2.16 GHz
- ThinkPad E555:2.2 GHz

Side by side

Differences highlightedShow differences only

Comparison of CB3-111-C1D4, ThinkPad E555
159 specifications	A Acer Chromebook CB3-111-C1D4 Intel® Celeron® N2840 Model CB3-111-C1D4 View product	B Lenovo ThinkPad E555 View product
Design2 differ
Product typeDiffers	Chromebook	Laptop
Product colourDiffers	White	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Unknown — not stated by the source	Business
Display1 differ
Display diagonalDiffers	29.5 cm (11.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor5 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Celeron®	AMD A6
Processor modelDiffers	N2840	A6-7000
Processor cores	2	2
Processor threads	2	2
Processor boost frequencyDiffers	2.58 GHz	3 GHz
Processor frequencyDiffers	2.16 GHz	2.2 GHz
Processor cache	1 MB	1 MB
Processor cache type	L2	L2
Processor socketKnown for one	BGA 1170	Unknown — not stated by the source
Processor lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor operating modesKnown for one	32-bit, 64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Celeron Processor N2000 Series for Mobile	Unknown — not stated by the source
Processor codenameKnown for one	Bay Trail	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	7.5 W	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	4	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Storage2 differ
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
Total storage capacityKnown for one	Unknown — not stated by the source	500 GB
Storage mediaKnown for one	Unknown — not stated by the source	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"
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card familyDiffers	Intel® HD Graphics	AMD Radeon R4
On-board graphics card modelDiffers	Intel® HD Graphics	AMD Radeon R4
On-board graphics card base frequencyKnown for one	311 MHz	Unknown — not stated by the source
On-board graphics card burst frequencyKnown for one	792 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	792 MHz	Unknown — not stated by the source
Audioidentical
Built-in microphone	Yes	Yes
Audio systemKnown for one	Unknown — not stated by the source	Dolby Advanced
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network4 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardDiffers	Wi-Fi 5 (802.11ac)	Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
BluetoothDiffers	No	Yes
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
Ports & interfaces3 differ
USB 2.0 ports quantity	1	1
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
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantity	0	0
S/PDIF out port	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 connectorsKnown for one	2	Unknown — not stated by the source
Headphone outputsKnown for one	Unknown — not stated by the source	0
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inKnown for one	Unknown — not stated by the source	No
Keyboard2 differ
Pointing deviceDiffers	Touchpad	Clickpad
Numeric keypadDiffers	No	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software2 differ
Operating system installedDiffers	ChromeOS	Windows 7 Professional
Operating system architectureDiffers	32-bit	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8.1
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video Technology	No	No
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect TechnologyDiffers	Yes	No
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Processor ARK IDKnown for one	82103	Unknown — not stated by the source
Processor codeKnown for one	SR1YJ	Unknown — not stated by the source
Processor package sizeKnown for one	25 x 27 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
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® Identity Protection Technology (Intel® IPT)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
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Battery3 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	6
Battery capacityDiffers	3220 mAh	48 Wh
Battery life (max)Differs	8 h	6.3 h
Poweridentical
AC adapter power	45 W	45 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Weight & dimensions4 differ
WeightDiffers	1.2 kg	2.35 kg
WidthDiffers	299 mm	377 mm
DepthDiffers	202 mm	256 mm
HeightDiffers	18.7 mm	27 mm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Intel segment taggingDiffers	Education	Home office, Small Business
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	AMD A76M FCH

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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