Product comparison · 2 laptops

Acer eMachines D520-571G12 Intel® Celeron® M 575 vs Lenovo SL400 2743

78specifications compared
31differ
47identical
50known for one product only

Key differences

Processor family
- eMachines D520-571G12 Intel® Celeron® M 575:Intel® Celeron® M
- SL400 2743:Intel® Core™2 Duo
Processor model
- eMachines D520-571G12 Intel® Celeron® M 575:575
- SL400 2743:T5670
Processor cores
- eMachines D520-571G12 Intel® Celeron® M 575:1
- SL400 2743:2
Processor threads
- eMachines D520-571G12 Intel® Celeron® M 575:1
- SL400 2743:2
Processor frequency
- eMachines D520-571G12 Intel® Celeron® M 575:2 GHz
- SL400 2743:1.8 GHz
Processor cache
- eMachines D520-571G12 Intel® Celeron® M 575:1 MB
- SL400 2743:2 MB
Processor front side bus
- eMachines D520-571G12 Intel® Celeron® M 575:667 MHz
- SL400 2743:800 MHz
Processor socket
- eMachines D520-571G12 Intel® Celeron® M 575:Socket 478
- SL400 2743:LGA 3647 (Socket P)

Side by side

Differences highlightedShow differences only

Comparison of D520-571G12, SL400 2743
128 specifications	A Acer eMachines D520-571G12 Intel® Celeron® M 575 Model D520-571G12 View product	B Lenovo SL400 2743 View product
Displayidentical
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron® M	Intel® Core™2 Duo
Processor modelDiffers	575	T5670
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequencyDiffers	2 GHz	1.8 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	800 MHz
Processor socketDiffers	Socket 478	LGA 3647 (Socket P)
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Intel Celeron Processor 500 Series for Mobile	Unknown — not stated by the source
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB ParityKnown for one	No	Unknown — not stated by the source
Stepping	M0	M0
Thermal Design Power (TDP)Differs	31 W	35 W
TcaseKnown for one	100 °C	Unknown — not stated by the source
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	12	9
ECC supported by processorKnown for one	No	Unknown — not stated by the source
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	1 x 1 GB	2 x 1 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storage3 differ
Total storage capacityDiffers	120 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500M	Intel® GMA 4500M
Graphics card family	Intel	Intel
Audio1 differ
Audio systemDiffers	High Definition Audio	HD
Number of built-in speakers	2	2
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Ethernet, Fast Ethernet	Gigabit Ethernet
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
WWANKnown for one	Unknown — not stated by the source	Installed
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	4
Ethernet LAN (RJ-45) ports	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	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
TV-out	No	No
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	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
Keyboardidentical
Pointing device	Touchpad	Touchpad
Software1 differ
Operating system installedDiffers	Windows Vista Home Basic	Windows Vista Business
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows XP Professional
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable BitDiffers	Yes	No
Idle StatesDiffers	No	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	No	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)	No	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	36680	35163
Processor codeDiffers	SLB6M	SLAJ5
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	4.1 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.4 kg	2.5 kg
WidthDiffers	340.4 mm	336 mm
Depth	247 mm	247 mm
Height (front)Differs	2.29 cm	3.4 cm
Height (rear)Differs	4.23 cm	3.9 cm
Other featuresidentical
Infrared data port	No	No
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modemKnown for one	Unknown — not stated by the source	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.90
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM45 Express
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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