Product comparison · 2 laptops

Acer Aspire 7715Z vs Lenovo T400s (2815-2PG)

74specifications compared
31differ
43identical
71known for one product only

Key differences

Display diagonal
- Aspire 7715Z:43.9 cm (17.3")
- T400s (2815-2PG):35.8 cm (14.1")
Display resolution
- Aspire 7715Z:1600 x 900 pixels
- T400s (2815-2PG):1440 x 900 pixels
Native aspect ratio
- Aspire 7715Z:16:9
- T400s (2815-2PG):16:10
Processor family
- Aspire 7715Z:Intel® Pentium® Dual-Core
- T400s (2815-2PG):Intel® Core™2 Duo
Processor model
- Aspire 7715Z:T4500
- T400s (2815-2PG):SP9400
Processor frequency
- Aspire 7715Z:2.3 GHz
- T400s (2815-2PG):2.4 GHz
Processor cache
- Aspire 7715Z:1 MB
- T400s (2815-2PG):6 MB
Processor cache type
- Aspire 7715Z:Smart Cache
- T400s (2815-2PG):L2

Side by side

Differences highlightedShow differences only

Comparison of Aspire 7715Z, T400s (2815-2PG)
145 specifications	A Acer Aspire 7715Z View product	B Lenovo T400s (2815-2PG)View product
Display3 differ
Display diagonalDiffers	43.9 cm (17.3")	35.8 cm (14.1")
Display resolutionDiffers	1600 x 900 pixels	1440 x 900 pixels
Native aspect ratioDiffers	16:9	16:10
HD typeKnown for one	HD+	Unknown — not stated by the source
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Display response rise/fallKnown for one	8 ms	Unknown — not stated by the source
Processor7 differ
Processor familyDiffers	Intel® Pentium® Dual-Core	Intel® Core™2 Duo
Processor modelDiffers	T4500	SP9400
Processor frequencyDiffers	2.3 GHz	2.4 GHz
Processor cacheDiffers	1 MB	6 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	BGA 956
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo SP9000 Series
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionKnown for one	Unknown — not stated by the source	105 °C
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
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 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	128 GB
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 4500M	Intel® GMA 4500MHD
Maximum graphics card memoryKnown for one	1.759 GB	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	3
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
DisplayPorts quantityDiffers	0	1
Firewire (IEEE 1394) portsDiffers	0	1
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® GS45 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 features4 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Idle StatesKnown for one	Unknown — not stated by the source	No
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	No
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
Processor ARK IDDiffers	42925	36693
Processor package sizeKnown for one	Unknown — not stated by the source	22 x 22 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Processor codeKnown for one	SLGZC	Unknown — not stated by the source
Battery1 differ
Battery life (max)Differs	2.5 h	5.5 h
Battery capacityKnown for one	48.8 Wh	Unknown — not stated by the source
Poweridentical
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
Trusted Platform Module (TPM)Known 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 & dimensions3 differ
WeightDiffers	3.3 kg	1.77 kg
WidthDiffers	410.5 mm	337 mm
DepthDiffers	268 mm	241 mm
HeightKnown for one	Unknown — not stated by the source	21.1 mm
Height (front)Known for one	2.68 cm	Unknown — not stated by the source
Height (rear)Known for one	3.96 cm	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
Other features1 differ
Compliance industry standardsDiffers	IEEE 802.11b/g/n	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Internal modemKnown for one	No	Unknown — not stated by the source
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
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	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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