Product comparison · 2 laptops

Acer Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY vs Lenovo X1 Carbon + 04W8199

134specifications compared
45differ
89identical
42known for one product only

Key differences

Product type
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:Laptop
- X1 Carbon + 04W8199:Ultrabook
Display diagonal
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:43.9 cm (17.3")
- X1 Carbon + 04W8199:35.6 cm (14")
Display resolution
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:1920 x 1080 pixels
- X1 Carbon + 04W8199:1600 x 900 pixels
HD type
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:Full HD
- X1 Carbon + 04W8199:HD+
Processor model
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:i7-3610QM
- X1 Carbon + 04W8199:i7-3667U
Processor cores
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:4
- X1 Carbon + 04W8199:2
Processor threads
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:8
- X1 Carbon + 04W8199:4
Processor boost frequency
- Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY:3.3 GHz
- X1 Carbon + 04W8199:3.2 GHz

Side by side

Differences highlightedShow differences only

Comparison of 771G, X1 Carbon + 04W8199
176 specifications	A Acer Aspire 771G Intel® Core™ i7 i7-3610QM Laptop 43.9 cm (17.3") Full HD 16 GB DDR3-SDRAM 1.25 TB HDD+SSD NVIDIA® GeForce® GT 650M Windows 8 Black QWERTY Model 771G View product	B Lenovo X1 Carbon + 04W8199 View product
Design1 differ
Product typeDiffers	Laptop	Ultrabook
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Carbon
Display3 differ
Display diagonalDiffers	43.9 cm (17.3")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1600 x 900 pixels
Touchscreen	No	No
HD typeDiffers	Full 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
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i7
Processor modelDiffers	i7-3610QM	i7-3667U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.3 GHz	3.2 GHz
Processor frequencyDiffers	2.3 GHz	2 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket G2	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-3600 Mobile series	Intel Core i7-3600 Mobile series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Thermal Design Power (TDP)Differs	45 W	17 W
TjunctionDiffers	105 C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8	1x8, 1x16, 2x4, 2x8
PCI Express slots versionDiffers	3.0	2.0
CPU multiplier (bus/core ratio)Differs	23	20
ECC supported by processor	No	No
SteppingKnown for one	Unknown — not stated by the source	L1
Memory3 differ
Internal memoryDiffers	16 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1600 MHz	1333 MHz
Maximum internal memoryDiffers	16 GB	8 GB
Storage5 differ
Total storage capacityDiffers	1.25 TB	180 GB
Storage mediaDiffers	HDD+SSD	SSD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Number of SSDs installed	1	1
SSD capacityDiffers	256 GB	180 GB
Optical drive typeDiffers	Blu-Ray ROM	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, xD	MMC, SD, SDHC, SDXC
SSD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 650M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
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 4000	Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1150 MHz
On-board graphics card ID	0x166	0x166
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Audio1 differ
Audio systemDiffers	DHT	Dolby Home Theater v4
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Optical driveidentical
LightScribe	No	No
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11a, 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
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
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 quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
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
Docking connectorKnown for one	No	Unknown — not stated by the source
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Performance1 differ
Motherboard chipsetDiffers	Intel HM77 Express	Intel® QS77 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Numeric keypadKnown for one	Unknown — not stated by the source	No
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8 Pro
Processor special features4 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	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 Secure Key Technology version	1.00	1.00
Intel Trusted Execution TechnologyDiffers	No	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)Differs	No	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® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	64899	64898
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	31 x 24 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SR0N5
Battery1 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Differs	4 h	6.5 h
Poweridentical
AC adapter powerKnown for one	120 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection typeKnown for one	BIOS, HDD, Supervisor, User	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	3.2 kg	1.4 kg
WidthDiffers	414.8 mm	331 mm
DepthDiffers	275 mm	226 mm
HeightDiffers	34.7 mm	18.9 mm
Width (imperial)Known for one	Unknown — not stated by the source	33.1 cm (13")
Depth (imperial)Known for one	Unknown — not stated by the source	22.6 cm (8.9")
Height (imperial)Known for one	Unknown — not stated by the source	1.88 cm (0.74")
Packaging contentidentical
AC adapter included	Yes	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Other featuresidentical
Infrared data portKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Small Business

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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