Product comparison · 2 laptops

Acer Aspire 7715Z vs Lenovo T400 (6474-25G)

80specifications compared
36differ
44identical
64known for one product only

Key differences

Display diagonal
- Aspire 7715Z:43.9 cm (17.3")
- T400 (6474-25G):35.8 cm (14.1")
Display resolution
- Aspire 7715Z:1600 x 900 pixels
- T400 (6474-25G):1440 x 900 pixels
Native aspect ratio
- Aspire 7715Z:16:9
- T400 (6474-25G):16:10
Display brightness
- Aspire 7715Z:220 cd/m²
- T400 (6474-25G):200 cd/m²
Processor family
- Aspire 7715Z:Intel® Pentium® Dual-Core
- T400 (6474-25G):Intel® Core™2 Duo
Processor model
- Aspire 7715Z:T4500
- T400 (6474-25G):P8600
Processor frequency
- Aspire 7715Z:2.3 GHz
- T400 (6474-25G):2.4 GHz
Processor cache
- Aspire 7715Z:1 MB
- T400 (6474-25G):3 MB

Side by side

Differences highlightedShow differences only

Comparison of Aspire 7715Z, T400 (6474-25G)
144 specifications	A Acer Aspire 7715Z View product	B Lenovo T400 (6474-25G)View product
Designidentical
Product colour	Black	Black
Display4 differ
Display diagonalDiffers	43.9 cm (17.3")	35.8 cm (14.1")
Display resolutionDiffers	1600 x 900 pixels	1440 x 900 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	16:9	16:10
Display brightnessDiffers	220 cd/m²	200 cd/m²
HD typeKnown for one	HD+	Unknown — not stated by the source
Display response rise/fallKnown for one	8 ms	Unknown — not stated by the source
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium® Dual-Core	Intel® Core™2 Duo
Processor modelDiffers	T4500	P8600
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.3 GHz	2.4 GHz
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketKnown for one	Unknown — not stated by the source	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	R1
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	9
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	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
Storage2 differ
Total storage capacityDiffers	320 GB	160 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500M	Intel® GMA 4500MHD
Graphics card family	Intel	Intel
Maximum graphics card memoryKnown for one	1.759 GB	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	0	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 port	No	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) portsDiffers	0	1
TV-out	No	No
TV-in portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® GL40 Express	Intel® GM45 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows Vista Business
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	-McAfee Internet Security Suite. -Microsoft Works 9 + Office Home & Student 2007	Unknown — not stated by the source
Bundled softwareKnown for one	-Acer Arcade Deluxe. -Acer Crystal Eye. -Acer GridVista. -Acer Launch Manager. -Acer eRecovery Management. -Adobe Reader. -NTI Media Maker. -Norton Online Backup.	Unknown — not stated by the source
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	42925	35568
Processor codeDiffers	SLGZC	SLGDZ
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	2.5 h	6.5 h
Battery capacityKnown for one	48.8 Wh	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	410.5 mm	335.3 mm
DepthDiffers	268 mm	238 mm
Height (front)Differs	2.68 cm	2.76 cm
Height (rear)Differs	3.96 cm	3.19 cm
WeightKnown for one	3.3 kg	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	410.5 x 268 x 26.8 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Other features2 differ
Infrared data port	No	No
Compliance industry standardsDiffers	IEEE 802.11b/g/n	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modemDiffers	No	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	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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