Product comparison · 2 laptops

Acer Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop vs Lenovo S21e-20 Intel® Celeron® N2840 Laptop

135specifications compared
38differ
97identical
25known for one product only

Key differences

Product colour
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:Black
- S21e-20 Intel® Celeron® N2840 Laptop:Grey, Silver
Display diagonal
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:43.9 cm (17.3")
- S21e-20 Intel® Celeron® N2840 Laptop:29.5 cm (11.6")
Display resolution
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:1600 x 900 pixels
- S21e-20 Intel® Celeron® N2840 Laptop:1366 x 768 pixels
Processor model
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:N2940
- S21e-20 Intel® Celeron® N2840 Laptop:N2840
Processor cores
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:4
- S21e-20 Intel® Celeron® N2840 Laptop:2
Processor threads
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:4
- S21e-20 Intel® Celeron® N2840 Laptop:2
Processor boost frequency
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:2.25 GHz
- S21e-20 Intel® Celeron® N2840 Laptop:2.58 GHz
Processor frequency
- Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop:1.83 GHz
- S21e-20 Intel® Celeron® N2840 Laptop:2.16 GHz

Side by side

Differences highlightedShow differences only

Comparison of ES1-711-C7YU, S21e-20
160 specifications	A Acer Aspire ES1-711-C7YU Intel® Celeron® N2940 Laptop Model ES1-711-C7YU View product	B Lenovo S21e-20 Intel® Celeron® N2840 Laptop Model S21e-20 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Grey, Silver
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	43.9 cm (17.3")	29.5 cm (11.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	HD+	Unknown — not stated by the source
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Celeron®	Intel® Celeron®
Processor modelDiffers	N2940	N2840
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor boost frequencyDiffers	2.25 GHz	2.58 GHz
Processor frequencyDiffers	1.83 GHz	2.16 GHz
Processor cacheDiffers	2 MB	1 MB
Processor cache type	L2	L2
Processor socket	BGA 1170	BGA 1170
Processor lithography	22 nm	22 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor series	Intel Celeron Processor N2000 Series for Mobile	Intel Celeron Processor N2000 Series for Mobile
Processor codename	Bay Trail	Bay Trail
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	7.5 W	7.5 W
Scenario Design Power (SDP)	4.5 W	4.5 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	4	4
PCI Express configurations	1x4	1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memory4 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factorDiffers	SO-DIMM	On-board
Memory layout (slots x size)Differs	1 x 4 GB	1 x 2 GB
Maximum internal memoryDiffers	8 GB	4 GB
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	500 GB	32 GB
Storage mediaDiffers	HDD	Flash
Flash memoryKnown for one	Unknown — not stated by the source	32 GB
Optical drive typeDiffers	DVD-RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MicroSD (TransFlash)
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	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 model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequencyDiffers	313 MHz	311 MHz
On-board graphics card burst frequencyDiffers	854 MHz	792 MHz
On-board graphics card dynamic frequency (max)Differs	854 MHz	792 MHz
Audio1 differ
Audio systemDiffers	HD	Dolby Home Theater v4
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
Front camera resolutionKnown for one	640 x 480 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Thunderbolt ports quantity	0	0
Micro HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Headphone outputsDiffers	1	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	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 connectors	2	2
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Windows keysKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 8.1	Windows 8.1
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features2 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 lithography	22 nm	22 nm
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 Rapid Storage Technology	No	No
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 Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Active Management Technology (Intel® AMT)	No	No
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® High Definition Audio (Intel® HD Audio)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Identity Protection Technology (Intel® IPT)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	No	No
Intel® Virtualization Technology (Intel® VT)	VT-x	VT-x
Processor ARK IDDiffers	82104	82103
Processor codeDiffers	SR1YV	SR1YJ
Processor package size	25 x 27 mm	25 x 27 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	Yes	Yes
Battery2 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cells	4	4
Battery capacityDiffers	3270 mAh	23.2 Wh
Battery life (max)Known for one	Unknown — not stated by the source	5 h
Poweridentical
AC adapter power	45 W	45 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD, Supervisor	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Weight & dimensions4 differ
WeightDiffers	3 kg	1.25 kg
WidthDiffers	423.3 mm	295 mm
DepthDiffers	289.9 mm	212 mm
HeightDiffers	28 mm	19 mm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord included	Yes	Yes

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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