Product comparison · 2 laptops

Acer Aspire 1820PT-734G32n vs Acer Aspire 7740

114specifications compared
49differ
65identical
43known for one product only

Key differences

Display diagonal
- Aspire 1820PT-734G32n:29.5 cm (11.6")
- Aspire 7740:43.9 cm (17.3")
Display resolution
- Aspire 1820PT-734G32n:1366 x 768 pixels
- Aspire 7740:1600 x 900 pixels
Contrast ratio (typical)
- Aspire 1820PT-734G32n:500:1
- Aspire 7740:300:1
Processor family
- Aspire 1820PT-734G32n:Intel® Core™2 Duo
- Aspire 7740:Intel® Core™ i5
Processor model
- Aspire 1820PT-734G32n:SU7300
- Aspire 7740:i5-430M
Processor threads
- Aspire 1820PT-734G32n:2
- Aspire 7740:4
Processor frequency
- Aspire 1820PT-734G32n:1.3 GHz
- Aspire 7740:2.26 GHz
Processor socket
- Aspire 1820PT-734G32n:BGA 956
- Aspire 7740:BGA 1288

Side by side

Differences highlightedShow differences only

Comparison of Aspire 1820PT-734G32n, Aspire 7740
157 specifications	A Acer Aspire 1820PT-734G32n View product	B Acer Aspire 7740 View product
Display3 differ
Display diagonalDiffers	29.5 cm (11.6")	43.9 cm (17.3")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
Native aspect ratio	16:9	16:9
Display response rise/fall	8 ms	8 ms
Contrast ratio (typical)Differs	500:1	300:1
LED backlightKnown for one	Yes	Unknown — not stated by the source
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i5
Processor modelDiffers	SU7300	i5-430M
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.53 GHz
Processor frequencyDiffers	1.3 GHz	2.26 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 956	BGA 1288
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i5-400 Series
Processor codenameDiffers	Penryn	Arrandale
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
SteppingDiffers	R0	C2
Thermal Design Power (TDP)Differs	10 W	35 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of Processing Die TransistorsDiffers	410 M	382 M
Processing Die sizeDiffers	107 mm²	81 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	17
ECC supported by processor	No	No
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memory	8 GB	8 GB
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	320 GB	500 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, MS PRO, SD, xD	MMC, MS PRO, SD, xD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Optical drive typeKnown for one	No	Unknown — not stated by the source
Graphics3 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500MHD	AMD Radeon HD 5470
Discrete graphics card memoryDiffers	0.0625 GB	0.512 GB
Graphics card familyKnown for one	Unknown — not stated by the source	AMD
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
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	766 MHz
Maximum graphics card memoryDiffers	1.759 GB	1.024 GB
Maximum resolutionKnown for one	Unknown — not stated by the source	2048 x 1536 pixels
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	3rd Generation Dolby Home Theater, Dolby Digital Live, Dolby Pro Logic IIx, Dolby Headphone, Dolby Natural Bass, Dolby Sound Space Expander, Dolby Audio Optimization, Dolby High Frequency Enhancer
Number of built-in speakers	2	2
Cameraidentical
Front camera resolution (numeric)	0.3 MP	0.3 MP
Video capturing speed	30 fps	30 fps
Swivel webcamKnown for one	No	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	Gigabit Ethernet	10/100/1000 MBit/s
Wireless technologyDiffers	802.11 b/g	802.11g
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	3	4
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Headphone outputsDiffers	1	2
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	0	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Software2 differ
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Trial softwareDiffers	McAfee Internet Security 2009 Suite Microsoft Works 9.0 with Office Home and Student 2007	McAfee Internet Security Suite 2009 16 Microsoft Works with Office Home and Student 2007
Bundled softwareDiffers	Adobe Reader Adobe Flash Player Google Toolbar Google Desktop Google Setup CyberLink PowerDVD My WinLocker Microsoft Windows Live Essentials Wave 3 Orion	Acer Arcade Deluxe featuring Acer CinemaVision and Acer ClearVision technologies1 Acer Backup Manager1 Acer Crystal Eye1 Acer eRecovery Management Acer GridVista Acer Launch Manager Adobe Flash Player Adobe Reader eSobi Google Toolbar
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	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)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	1.0
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	42791	43537
Processor codeDiffers	SLGYV	SLBPM
Processor package sizeDiffers	22 x 22 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE4	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	8 h	3.5 h
Battery capacityKnown for one	5600 mAh	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	30 W	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection type	BIOS	BIOS
HDD user password	Yes	Yes
Weight & dimensions4 differ
WeightDiffers	1.72 kg	3.2 kg
WidthDiffers	285 mm	411 mm
DepthDiffers	208.9 mm	274 mm
HeightDiffers	34.5 mm	45 mm
Dimensions (WxDxH)Known for one	285 x 208.9 x 34.5 mm	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92
Supplied AC adapter type	AC	AC
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® GS45 Express	Unknown — not stated by the source
Keyboardidentical
Keyboard layoutKnown for one	QWERTY	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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