Product comparison · 2 laptops

Acer Aspire 531-877B4G32Mass Intel® Celeron® 877 vs Acer eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500

85specifications compared
33differ
52identical
103known for one product only

Key differences

Product colour
- Aspire 531-877B4G32Mass Intel® Celeron® 877:Silver
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:Black
Processor family
- Aspire 531-877B4G32Mass Intel® Celeron® 877:Intel® Celeron®
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:Intel® Pentium® Dual-Core
Processor model
- Aspire 531-877B4G32Mass Intel® Celeron® 877:877
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:T4500
Processor frequency
- Aspire 531-877B4G32Mass Intel® Celeron® 877:1.4 GHz
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:2.3 GHz
Processor cache
- Aspire 531-877B4G32Mass Intel® Celeron® 877:2 MB
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:1 MB
Processor cache type
- Aspire 531-877B4G32Mass Intel® Celeron® 877:L3
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:Smart Cache
Processor front side bus
- Aspire 531-877B4G32Mass Intel® Celeron® 877:1066 MHz
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:800 MHz
Processor lithography
- Aspire 531-877B4G32Mass Intel® Celeron® 877:32 nm
- eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500:45 nm

Side by side

Differences highlightedShow differences only

Comparison of 531-877B4G32Mass, E727-452G25Mn
188 specifications	A Acer Aspire 531-877B4G32Mass Intel® Celeron® 877 Model 531-877B4G32Mass View product	B Acer eMachines E727-452G25Mn Intel® Pentium® Dual-Core T4500 Model E727-452G25Mn View product
Design1 differ
Product colourDiffers	Silver	Black
Form factor	Clamshell	Clamshell
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Display number of colours	16.78 million colours	16.78 million colours
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Pixel pitchKnown for one	0.252 x 0.252 mm	Unknown — not stated by the source
Display response rise/fallKnown for one	8 ms	Unknown — not stated by the source
Contrast ratio (typical)Known for one	500:1	Unknown — not stated by the source
TouchscreenKnown for one	Unknown — not stated by the source	No
HD typeKnown for one	Unknown — not stated by the source	HD
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium® Dual-Core
Processor modelDiffers	877	T4500
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.4 GHz	2.3 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	2 MB	1 MB
Processor cache typeDiffers	L3	Smart Cache
L3 cacheKnown for one	2 MB	Unknown — not stated by the source
L2 cacheKnown for one	0.512 MB	Unknown — not stated by the source
Processor front side busDiffers	1066 MHz	800 MHz
Processor socketKnown for one	BGA 1023	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Sandy Bridge	Penryn
Bus typeKnown for one	DMI	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	17 W	35 W
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 1x8+2x4, 2x8	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
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	410 M
Processing Die sizeKnown for one	Unknown — not stated by the source	107 mm²
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
Memory3 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory layout (slots x size)Differs	1 x 4 GB	1 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory slots (available)	1	1
Maximum internal memoryDiffers	8 GB	4 GB
Storage3 differ
Total storage capacityDiffers	320 GB	250 GB
Storage media	HDD	HDD
HDD interfaceKnown for one	SATA II	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi DL	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	Memory Stick (MS), MMC, MS PRO, SD, xD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
Graphics card family	Intel	Intel
On-board graphics card familyDiffers	Intel® HD Graphics	Intel® GMA
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® GMA 4500
On-board graphics card memoryDiffers	0.125 GB	1.759 GB
On-board graphics card base frequencyKnown for one	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1000 MHz	Unknown — not stated by the source
Maximum resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	ALC271X_VB6	HD
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Cameraidentical
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Video capturing speedKnown for one	30 fps	Unknown — not stated by the source
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Swivel webcamKnown for one	Unknown — not stated by the source	No
Optical driveidentical
CD-R read speedKnown for one	24x	Unknown — not stated by the source
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	16x	Unknown — not stated by the source
DVD-R read speedKnown for one	8x	Unknown — not stated by the source
DVD-R write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	4x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	4x	Unknown — not stated by the source
DVD-RW read speedKnown for one	6x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
DVD+R write speedKnown for one	8x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	4x	Unknown — not stated by the source
DVD+RW read speedKnown for one	6x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	8x	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	No	No
Integrated 4G WiMAXKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Performance1 differ
Motherboard chipsetDiffers	Intel® HM70 Express	Intel® GL40 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	AZERTY
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Bundled softwareKnown for one	Acer Backup Manager1 Acer ePower Management1 Acer eRecovery Management Adobe Flash Player 10.1 Adobe Reader 9.1 Bing Bar eSobi Microsoft Office 2010 Microsoft Office Starter 2010 Norton Online Backup Security McAfee Internet Security Suite Trial16 MyWinLocker Multimedia Acer clear.fi NTI Media Maker	Unknown — not stated by the source
Processor special features2 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Yes	Unknown — not stated by the source
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 FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Trusted Execution Technology	No	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
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)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	67192	42925
Processor package sizeKnown for one	31 x 24 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.x	Unknown — not stated by the source
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	Unknown — not stated by the source	SLGZC
Battery2 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsDiffers	4	6
Battery life (max)Differs	4.5 h	3 h
Battery recharge timeKnown for one	2 h	Unknown — not stated by the source
Battery capacityKnown for one	Unknown — not stated by the source	4400 mAh
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	120 - 230 V
Power auto-sensingKnown for one	Unknown — not stated by the source	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, User	Unknown — not stated by the source
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2 kg	2.7 kg
WidthDiffers	380 mm	372 mm
DepthDiffers	250 mm	247 mm
HeightDiffers	20 mm	40 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data port	No	No
3DKnown for one	Unknown — not stated by the source	No
Volume controlKnown for one	Unknown — not stated by the source	Digital
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
Videoidentical
HD-ReadyKnown for one	Unknown — not stated by the source	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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