Product comparison · 2 laptops

Acer Extensa 2508-C2AA Intel® Celeron® N2840 Laptop vs Acer Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop

106specifications compared
53differ
53identical
59known for one product only

Key differences

Display diagonal
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:39.6 cm (15.6")
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:43.9 cm (17.3")
Display resolution
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:1366 x 768 pixels
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:1920 x 1080 pixels
HD type
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:HD
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:Full HD
Processor family
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:Intel® Celeron®
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:Intel® Core™ i7
Processor model
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:N2840
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:i7-4510U
Processor threads
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:2
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:4
Processor boost frequency
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:2.58 GHz
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:3.1 GHz
Processor frequency
- Extensa 2508-C2AA Intel® Celeron® N2840 Laptop:2.16 GHz
- Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop:2 GHz

Side by side

Differences highlightedShow differences only

Comparison of 2508-C2AA, E5-771G-728P
165 specifications	A Acer Extensa 2508-C2AA Intel® Celeron® N2840 Laptop Model 2508-C2AA View product	B Acer Aspire E E5-771G-728P Intel® Core™ i7 i7-4510U Laptop Model E5-771G-728P View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i7
Processor modelDiffers	N2840	i7-4510U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyDiffers	2.58 GHz	3.1 GHz
Processor frequencyDiffers	2.16 GHz	2 GHz
Processor cacheDiffers	1 MB	4 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 i7-4500 Mobile series
Processor codenameDiffers	Bay Trail	Haswell
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingDiffers	C0	D0
Thermal Design Power (TDP)Differs	7.5 W	15 W
Scenario Design Power (SDP)Known for one	4.5 W	Unknown — not stated by the source
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 generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i7
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Bus typeKnown for one	Unknown — not stated by the source	DMI2
Memory4 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR3L-SDRAM
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	8 GB	16 GB
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Storage3 differ
Total storage capacityDiffers	500 GB	1 TB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Number of SSDs installedKnown for one	0	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	SD	SD
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® 840M
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 4400
On-board graphics card base frequencyDiffers	311 MHz	200 MHz
On-board graphics card burst frequencyKnown for one	792 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Differs	792 MHz	1100 MHz
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.2/12
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.3
On-board graphics card IDKnown for one	Unknown — not stated by the source	0xA16
Audioidentical
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front camera	Yes	Yes
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network1 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 LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
BluetoothDiffers	Yes	No
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfaces2 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputsKnown for one	1	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Docking connector	No	No
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	2	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installedKnown for one	Windows 8.1	Unknown — not stated by the source
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features14 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 lithographyKnown for one	22 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
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 State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
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 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 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)	No	No
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)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Processor ARK IDDiffers	82103	81015
Processor codeDiffers	SR1YJ	SR1EB
Processor package sizeDiffers	25 x 27 mm	40 x 24 x 1.5 mm
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	Yes	Yes
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 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® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	4
Battery life (max)Differs	7 h	4 h
Battery capacityKnown for one	Unknown — not stated by the source	3220 mAh
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
Securityidentical
Cable lock slotKnown for one	No	Unknown — not stated by the source
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.4 kg	3 kg
WidthDiffers	381.6 mm	423.3 mm
DepthDiffers	258 mm	289.9 mm
HeightDiffers	26.1 mm	28 mm
Height (front)Known for one	Unknown — not stated by the source	2.8 cm
Height (rear)Known for one	Unknown — not stated by the source	2.8 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source

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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