Product comparison · 2 laptops

Acer Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop vs Acer Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop

138specifications compared
25differ
113identical
14known for one product only

Key differences

Display diagonal
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:33.8 cm (13.3")
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:39.6 cm (15.6")
Processor model
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:N2940
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:N2840
Processor cores
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:4
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:2
Processor threads
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:4
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:2
Processor boost frequency
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:2.25 GHz
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:2.58 GHz
Processor frequency
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:1.83 GHz
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:2.16 GHz
Processor cache
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:2 MB
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:1 MB
Internal memory
- Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop:4 GB
- Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop:2 GB

Side by side

Differences highlightedShow differences only

Comparison of ES1-311-C9B2, EX2508-C5QQ
152 specifications	A Acer Aspire E ES1-311-C9B2 Intel® Celeron® N2940 Laptop Model ES1-311-C9B2 View product	B Acer Extensa EX2508-C5QQ Intel® Celeron® N2840 Laptop Model EX2508-C5QQ View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	33.8 cm (13.3")	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
Display surfaceKnown for one	Unknown — not stated by the source	Matt
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
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory slots	1x SO-DIMM	1x SO-DIMM
Maximum internal memory	8 GB	8 GB
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Storageidentical
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
HDD size	2.5"	2.5"
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	SD	SD
HDD interfaceKnown for one	SATA	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
Audioidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	640 x 480 pixels
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 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
BluetoothDiffers	No	Yes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	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
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	No	Yes
Full-size keyboard	Yes	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1	Linux Linpus
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
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	3	3
Battery capacity	3220 mAh	3220 mAh
Battery life (max)Differs	5 h	7 h
Poweridentical
AC adapter power	45 W	45 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Weight & dimensions4 differ
WeightDiffers	1.6 kg	2.4 kg
WidthDiffers	327 mm	381.6 mm
DepthDiffers	228 mm	258 mm
HeightDiffers	20.7 mm	26.1 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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