Product comparison · 2 laptops

Acer Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop vs Acer TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop

136specifications compared
30differ
106identical
45known for one product only

Key differences

Display diagonal
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:39.6 cm (15.6")
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:35.6 cm (14")
Display resolution
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:1366 x 768 pixels
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:1280 x 720 pixels
HD type
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:HD
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:Not supported
Processor model
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:i7-2637M
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:i7-2677M
Processor boost frequency
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:2.8 GHz
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:2.9 GHz
Processor frequency
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:1.7 GHz
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:1.8 GHz
CPU multiplier (bus/core ratio)
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:17
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:18
Internal memory
- Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop:4 GB
- TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop:8 GB

Side by side

Differences highlightedShow differences only

Comparison of 581TG-72634G25Mnkk, 8481-7778G38ncc
181 specifications	A Acer Aspire Timeline Ultra 581TG-72634G25Mnkk Intel® Core™ i7 i7-2637M Laptop Model 581TG-72634G25Mnkk View product	B Acer TravelMate TimelineX 8481-7778G38ncc Intel® Core™ i7 i7-2677M Laptop Model 8481-7778G38ncc View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1280 x 720 pixels
Touchscreen	No	No
HD typeDiffers	HD	Not supported
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
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Processor4 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i7
Processor modelDiffers	i7-2637M	i7-2677M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.8 GHz	2.9 GHz
Processor frequencyDiffers	1.7 GHz	1.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	4 MB	4 MB
Processor cache type	L3	L3
Processor socket	BGA 1023	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-2600 Mobile Series	Intel Core i7-2600 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)	17 W	17 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x8, 1x16, 2x4, 2x8	1x8, 1x16, 2x4, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	17	18
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	6 GB	8 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 4 GB
Memory slots (available)Known for one	Unknown — not stated by the source	0
Storage6 differ
Total storage capacityDiffers	256 GB	384 GB
Storage mediaDiffers	SSD	HDD
Number of HDDs installedDiffers	0	1
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	64 GB
SSD interfaceKnown for one	SATA II	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	Memory Stick (MS), MMC, MS PRO, SD, xD
HDD capacityKnown for one	Unknown — not stated by the source	320 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 640M	Not available
Graphics card familyDiffers	Intel, NVIDIA	Intel
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)	1200 MHz	1200 MHz
On-board graphics card ID	0x116	0x116
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front cameraKnown for one	Yes	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
Networkidentical
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
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Integrated 4G WiMAX	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet, Wi-Fi
Ports & interfacesidentical
USB 2.0 ports quantity	2	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
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsKnown for one	1	Unknown — not stated by the source
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connectorKnown for one	No	Unknown — not stated by the source
ExpressCard slot	No	No
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
TV-outKnown for one	No	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
Performance1 differ
Motherboard chipsetDiffers	Intel HM77 Express	Intel UM67 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTZ	Unknown — not stated by the source
Software2 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Bundled softwareDiffers	Microsoft Office Starter	Microsoft Office Starter Bing Bar Windows Live Essentials
Processor special features1 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	Yes	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	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® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	54618	54617
Processor package size	31.0 x 24.0 (BGA1023)	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery2 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	3	4
Battery capacityKnown for one	4850 mAh	Unknown — not stated by the source
Battery life (max)Known for one	8 h	Unknown — not stated by the source
Poweridentical
AC adapter power	65 W	65 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	No	No
Fingerprint readerDiffers	No	Yes
Password protection typeKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 85%	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	WEEE	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightKnown for one	2.3 kg	Unknown — not stated by the source
WidthDiffers	376 mm	329 mm
DepthDiffers	253 mm	240 mm
HeightDiffers	20.7 mm	22.3 mm
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	329 x 240 x 22.3 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
Manual	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
3DKnown for one	No	Unknown — not stated by the source
TV tuner integrated	No	No
Supplied AC adapter type	AC	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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