Product comparison · 2 laptops

Acer Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop vs Acer Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black

135specifications compared
35differ
100identical
30known for one product only

Key differences

Product colour
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:Silver
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:Black
Display diagonal
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:39.6 cm (15.6")
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:43.9 cm (17.3")
Display resolution
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:1366 x 768 pixels
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:1600 x 900 pixels
HD type
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:HD
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:HD+
Processor family
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:Intel® Core™ i3
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:Intel® Core™ i5
Processor generation
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:2nd gen Intel® Core™ i3
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:2nd gen Intel® Core™ i5
Processor model
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:i3-2377M
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:i5-2450M
Processor frequency
- Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop:1.5 GHz
- Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black:2.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of 581T-323A4G52MAss, 771G-52454G75Makk
165 specifications	A Acer Aspire Timeline Ultra 581T-323A4G52MAss Intel® Core™ i3 i3-2377M Laptop Model 581T-323A4G52MAss View product	B Acer Aspire 771G-52454G75Makk Intel® Core™ i5 i5-2450M Laptop 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 750 GB HDD Wi-Fi 4 (802.11n) Windows 7 Home Premium Black Model 771G-52454G75Makk View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Silver	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	1600 x 900 pixels
Touchscreen	No	No
HD typeDiffers	HD	HD+
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2377M	i5-2450M
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	1.5 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	BGA 1023	Unknown — not stated by the source
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-2400 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)Differs	17 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	15	25
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Maximum internal memoryKnown for one	6 GB	Unknown — not stated by the source
Storage5 differ
Total storage capacityDiffers	520 GB	750 GB
Storage mediaDiffers	HDD+SSD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	750 GB
HDD interface	SATA	SATA
Number of SSDs installedDiffers	1	0
SSD capacityKnown for one	20 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA	Unknown — not stated by the source
Optical drive type	DVD Super Multi DL	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	Memory Stick (MS), MMC, MS PRO, SD, xD
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics2 differ
On-board graphics card	Yes	Yes
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
On-board graphics card base frequencyDiffers	350 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1300 MHz
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics 3000
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Audioidentical
Built-in microphone	Yes	Yes
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Optical driveidentical
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
Disc types supportedKnown for one	Unknown — not stated by the source	DVD+R, DVD+RW, DVD-R, DVD-RAM, DVD-RW
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet, WLAN	Unknown — not stated by the source
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers	802.11a, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
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
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	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
Performanceidentical
Motherboard chipset	Intel HM77 Express	Intel HM77 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Unknown — not stated by the source	Microsoft Office Starter, Bing Bar, Windows Live Essentials
Processor special features5 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	32 nm	32 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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	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)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	54834	53452
Processor codeDiffers	SR0CW	SR04Z
Processor package sizeDiffers	31.0 x 24.0 (BGA1023)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery3 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	6
Battery capacityDiffers	4850 mAh	4400 mAh
Battery life (max)Known for one	Unknown — not stated by the source	4 h
Power1 differ
AC adapter powerDiffers	65 W	90 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint reader	No	No
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.3 kg	3.2 kg
WidthDiffers	366 mm	415 mm
DepthDiffers	256 mm	275 mm
HeightDiffers	20.6 mm	34.7 mm
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
AC adapter included	Yes	Yes
Bag includedKnown for one	No	Unknown — not stated by the source
Cables included	AC	AC
Remote control includedKnown for one	No	Unknown — not stated by the source
Other featuresidentical
Infrared data portKnown for one	No	Unknown — not stated by the source
3D	No	No
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Power supply typeKnown for one	AC	Unknown — not stated by the source
Internal modemKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter type	AC	AC

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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