Product comparison · 2 laptops

Acer Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium vs Lenovo ThinkPad X220 Intel® Core™ i5 i5-2520M

136specifications compared
58differ
78identical
42known for one product only

Key differences

Display diagonal
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:43.9 cm (17.3")
- ThinkPad X220 Intel® Core™ i5 i5-2520M:31.8 cm (12.5")
Display resolution
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:1600 x 900 pixels
- ThinkPad X220 Intel® Core™ i5 i5-2520M:1366 x 768 pixels
Processor family
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:Intel® Core™ i3
- ThinkPad X220 Intel® Core™ i5 i5-2520M:Intel® Core™ i5
Processor generation
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:3rd gen Intel® Core™ i3
- ThinkPad X220 Intel® Core™ i5 i5-2520M:2nd gen Intel® Core™ i5
Processor model
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:i3-330M
- ThinkPad X220 Intel® Core™ i5 i5-2520M:i5-2520M
Processor frequency
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:2.13 GHz
- ThinkPad X220 Intel® Core™ i5 i5-2520M:2.5 GHz
System bus rate
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:2.5 GT/s
- ThinkPad X220 Intel® Core™ i5 i5-2520M:5 GT/s
Processor socket
- Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium:BGA 1288
- ThinkPad X220 Intel® Core™ i5 i5-2520M:Socket 988

Side by side

Differences highlightedShow differences only

Comparison of 7745G-334G1TMn, X220
178 specifications	A Acer Aspire 7745G-334G1TMn Intel® Core™ i3 i3-330M 43.9 cm (17.3") HD+ 4 GB DDR3-SDRAM 1 TB AMD Mobility Radeon HD 5650 Windows 7 Home Premium Model 7745G-334G1TMn View product	B Lenovo ThinkPad X220 Intel® Core™ i5 i5-2520M Model X220 View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Display2 differ
Display diagonalDiffers	43.9 cm (17.3")	31.8 cm (12.5")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Dual-screenKnown for one	Unknown — not stated by the source	No
HD typeKnown for one	HD+	Unknown — not stated by the source
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	3rd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-330M	i5-2520M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
Processor frequencyDiffers	2.13 GHz	2.5 GHz
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1288	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-300 Mobile Series	Intel Core i5-2500 Mobile Series
Processor codenameDiffers	Arrandale	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	C2	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	16	25
ECC supported by processor	No	No
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory slotsDiffers	4x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	16 GB	8 GB
Storage5 differ
Total storage capacityDiffers	1 TB	320 GB
Number of HDDs installedDiffers	2	1
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeDiffers	DVD Super Multi DL	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, xD	SD
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Mobility Radeon HD 5650	Intel® HD Graphics
Graphics card familyDiffers	AMD	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
On-board graphics card base frequencyDiffers	500 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	667 MHz	1300 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Audio1 differ
Audio systemDiffers	HD	HDA
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Built-in subwooferKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
WWANKnown for one	Unknown — not stated by the source	Installed
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	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
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
Mini 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
Line-inKnown for one	Unknown — not stated by the source	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
TV-in portKnown for one	Unknown — not stated by the source	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software2 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureDiffers	64-bit	32-bit
Drivers included	Yes	Yes
Processor special features16 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyDiffers	45 nm	32 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	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 versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage Technology	No	No
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)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	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® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	47663	52229
Processor codeDiffers	SLBNF	SR048
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Batteryidentical
Number of battery cells	6	6
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protection type	BIOS	BIOS
HDD user password	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	5 - 43 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 2438 m
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	3.25 kg	1.3 kg
WidthDiffers	410 mm	305 mm
DepthDiffers	286 mm	206.5 mm
Height (front)Differs	3.5 cm	1.9 cm
Height (rear)Differs	4.15 cm	3.46 cm
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	No
AC adapter included	Yes	Yes
Remote control included	No	No
Other features1 differ
Infrared data port	No	No
Power requirementsDiffers	100-240V AC	230 V
Internal modemKnown for one	Unknown — not stated by the source	No
TV tuner integrated	No	No
Video inKnown for one	Unknown — not stated by the source	0
Supplied AC adapter type	AC	AC
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	24x	Unknown — not stated by the source
CD write speedKnown for one	24x	Unknown — not stated by the source
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
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM55 Express	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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