Product comparison · 2 laptops

Acer Aspire 7730G-844G32BN vs Lenovo ThinkPad T400 + ThinkPad Essential Port Replicator

107specifications compared
26differ
81identical
22known for one product only

Key differences

Display diagonal
- Aspire 7730G-844G32BN:43.2 cm (17")
- ThinkPad T400 + ThinkPad Essential Port Replicator:35.8 cm (14.1")
Processor model
- Aspire 7730G-844G32BN:P8400
- ThinkPad T400 + ThinkPad Essential Port Replicator:P8600
Processor frequency
- Aspire 7730G-844G32BN:2.26 GHz
- ThinkPad T400 + ThinkPad Essential Port Replicator:2.4 GHz
Processor socket
- Aspire 7730G-844G32BN:Socket 478
- ThinkPad T400 + ThinkPad Essential Port Replicator:Socket 479
Stepping
- Aspire 7730G-844G32BN:M0
- ThinkPad T400 + ThinkPad Essential Port Replicator:R1
CPU multiplier (bus/core ratio)
- Aspire 7730G-844G32BN:8.5
- ThinkPad T400 + ThinkPad Essential Port Replicator:9
Internal memory
- Aspire 7730G-844G32BN:4 GB
- ThinkPad T400 + ThinkPad Essential Port Replicator:2 GB
Internal memory type
- Aspire 7730G-844G32BN:DDR2-SDRAM
- ThinkPad T400 + ThinkPad Essential Port Replicator:DDR3-SDRAM

Side by side

Differences highlightedShow differences only

Comparison of Aspire 7730G-844G32BN, ThinkPad T400 + ThinkPad Essential Port Replicator
129 specifications	A Acer Aspire 7730G-844G32BN View product	B Lenovo ThinkPad T400 + ThinkPad Essential Port Replicator View product
Display1 differ
Display diagonalDiffers	43.2 cm (17")	35.8 cm (14.1")
Display resolution	1440 x 900 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Display response rise/fallKnown for one	8 ms	Unknown — not stated by the source
Processor5 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8400	P8600
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.26 GHz	2.4 GHz
Processor cache	3 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	M0	R1
Thermal Design Power (TDP)	25 W	25 W
Tjunction	105 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	8.5	9
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storage1 differ
Total storage capacityDiffers	320 GB	250 GB
HDD interface	SATA	SATA
Card reader integrated	Yes	Yes
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, MS Pro, SD, SDHC, xD
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA GeForce 9500M GS	AMD Mobility Radeon HD 3470
Discrete graphics card memoryKnown for one	0.512 GB	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Front cameraKnown for one	Unknown — not stated by the source	No
Network2 differ
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g/n	IEEE 802.11a/g/n
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
Modem (RJ-11) ports	1	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
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows Vista Business
Bundled softwareKnown for one	Acer Empowering Technology (Acer eAudio, ePower, eDataSecurity, eRecovery, eSettings Management), Acer Arcade Deluxe featuring Cinema, Album, Music, Acer HomeMedia, Acer Crystal Eye, Acer GridVista, Acer Launch Manager, Acer GameZone, Adobe Reader, NTI Media Maker	Unknown — not stated by the source
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	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 Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
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)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
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® Turbo Boost Technology	No	No
Processor ARK IDDiffers	35569	35568
Processor codeDiffers	SL3BU	SLGDZ
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	6.3 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	3.9 kg	2.14 kg
WidthDiffers	402 mm	335.5 mm
DepthDiffers	297 mm	238 mm
Height (front)Known for one	4.1 cm	Unknown — not stated by the source
Height (rear)Known for one	4.39 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	32 mm
Other features2 differ
Infrared data portDiffers	Yes	No
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Wake-on-Ring readyKnown for one	Yes	Unknown — not stated by the source
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	ITU V.92	V.90
Supplied AC adapter type	AC	AC
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, 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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