Product comparison · 2 laptops

Acer Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop vs Lenovo Flex 15

124specifications compared
49differ
75identical
56known for one product only

Key differences

Product type
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:Laptop
- Flex 15:Hybrid (2-in-1)
Product colour
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:Black
- Flex 15:Black, Silver
Display diagonal
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:43.9 cm (17.3")
- Flex 15:39.6 cm (15.6")
Display resolution
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:1600 x 900 pixels
- Flex 15:1366 x 768 pixels
Touchscreen
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:No
- Flex 15:Yes
HD type
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:HD+
- Flex 15:HD
Processor family
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:Intel® Core™ i3
- Flex 15:Intel® Core™ i5
Processor generation
- Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop:3rd gen Intel® Core™ i3
- Flex 15:4th gen Intel® Core™ i5

Side by side

Differences highlightedShow differences only

Comparison of 771-33128G1TMaii, Flex 15
180 specifications	A Acer Aspire 771-33128G1TMaii Intel® Core™ i3 i3-3120M Laptop Model 771-33128G1TMaii View product	B Lenovo Flex 15 View product
Design3 differ
Product typeDiffers	Laptop	Hybrid (2-in-1)
Product colourDiffers	Black	Black, Silver
Form factorDiffers	Clamshell	Convertible (Fold-back screen)
Display4 differ
Display diagonalDiffers	43.9 cm (17.3")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	HD+	HD
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Panel typeKnown for one	LCD	Unknown — not stated by the source
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i3	4th gen Intel® Core™ i5
Processor modelDiffers	i3-3120M	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.6 GHz
Processor frequencyDiffers	2.5 GHz	1.6 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-3100 Mobile Series	Intel Core i5-4200 Mobile series
Processor codenameDiffers	Ivy Bridge	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
SteppingKnown for one	Unknown — not stated by the source	C0
Thermal Design Power (TDP)Differs	35 W	15 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x4, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	25	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage4 differ
Total storage capacityDiffers	1 TB	500 GB
Storage media	HDD	HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityDiffers	1 TB	500 GB
HDD interface	SATA	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, xD	MMC, SD
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card base frequencyDiffers	650 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDDiffers	0x166	0xA16
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Advanced
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Data networkKnown for one	Not supported	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantity	2	2
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 quantity	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 outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Docking connectorKnown for one	No	Unknown — not stated by the source
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
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Processor special features12 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
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyDiffers	No	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
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 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® Active Management Technology (Intel® AMT)	No	No
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)Differs	Yes	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
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® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start Technology	No	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart Response Technology	No	No
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	71465	75459
Processor codeKnown for one	Unknown — not stated by the source	SR170
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Batteryidentical
Battery life (max)Known for one	Unknown — not stated by the source	9 h
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
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	No
Weight & dimensions4 differ
WeightDiffers	3.2 kg	2.2 kg
WidthDiffers	414.8 mm	382 mm
DepthDiffers	275 mm	265.9 mm
HeightDiffers	34.7 mm	22.1 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	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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