Product comparison · 2 laptops

Acer eMachines 350_UMACkk_2 Intel Atom® N450 Netbook vs Lenovo T400s (2815-2PG)

82specifications compared
41differ
41identical
51known for one product only

Key differences

Display diagonal
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:25.6 cm (10.1")
- T400s (2815-2PG):35.8 cm (14.1")
Display resolution
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:1024 x 600 pixels
- T400s (2815-2PG):1440 x 900 pixels
Native aspect ratio
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:5:3
- T400s (2815-2PG):16:10
Processor family
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:Intel Atom®
- T400s (2815-2PG):Intel® Core™2 Duo
Processor model
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:N450
- T400s (2815-2PG):SP9400
Processor cores
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:1
- T400s (2815-2PG):2
Processor frequency
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:1.66 GHz
- T400s (2815-2PG):2.4 GHz
Processor cache
- eMachines 350_UMACkk_2 Intel Atom® N450 Netbook:0.512 MB
- T400s (2815-2PG):6 MB

Side by side

Differences highlightedShow differences only

Comparison of 350_UMACkk_2, T400s (2815-2PG)
133 specifications	A Acer eMachines 350_UMACkk_2 Intel Atom® N450 Netbook Model 350_UMACkk_2 View product	B Lenovo T400s (2815-2PG)View product
Designidentical
Product colour	Black	Black
Product typeKnown for one	Netbook	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	25.6 cm (10.1")	35.8 cm (14.1")
Display resolutionDiffers	1024 x 600 pixels	1440 x 900 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	5:3	16:10
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Atom®	Intel® Core™2 Duo
Processor modelDiffers	N450	SP9400
Processor coresDiffers	1	2
Processor threads	2	2
Processor frequencyDiffers	1.66 GHz	2.4 GHz
Processor cacheDiffers	0.512 MB	6 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	1066 MHz
Processor socketDiffers	BGA 559	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Atom N400 Series	Intel Core 2 Duo SP9000 Series
Processor codenameDiffers	Pineview	Penryn
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	5.5 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	123 M	410 M
Processing Die sizeDiffers	66 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	10	9
ECC supported by processor	No	No
SteppingKnown for one	A0	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	667 MHz	1066 MHz
Maximum internal memoryDiffers	1 GB	4 GB
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Memory slotsKnown for one	1x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	250 GB	128 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
Card reader integrated	Yes	Yes
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Graphicsidentical
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 4500MHD
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Fast Ethernet, WLAN	Gigabit Ethernet
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wireless technologyKnown for one	802.11b/g/n	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Headphone outputs	1	1
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Microphone inKnown for one	Unknown — not stated by the source	Yes
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
TV-outKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GS45 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows 7 Starter	Windows Vista Business
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Processor special features6 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 StatesKnown for one	Unknown — not stated by the source	No
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	No	No
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 TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	No	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)Differs	Yes	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	42503	36693
Processor package size	22 x 22 mm	22 x 22 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processor	No	No
Processor codeKnown for one	SLBMG	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE2, SSE3, SSSE3	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	3	6
Battery life (max)Differs	4 h	5.5 h
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityKnown for one	2200 mAh	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	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
Weight & dimensions4 differ
WeightDiffers	1.1 kg	1.77 kg
WidthDiffers	258.5 mm	337 mm
DepthDiffers	185 mm	241 mm
HeightDiffers	25.2 mm	21.1 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data portKnown for one	Unknown — not stated by the source	No
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
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
Built-in microphoneKnown for one	Yes	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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