Product comparison · 2 all-in-one pcs/workstations

Lenovo IdeaCentre A520 vs Lenovo IdeaCentre C540

117specifications compared
28differ
89identical
23known for one product only

Key differences

Touchscreen
- IdeaCentre A520:Yes
- IdeaCentre C540:No
Processor model
- IdeaCentre A520:i3-3110M
- IdeaCentre C540:i3-3220
Processor frequency
- IdeaCentre A520:2.4 GHz
- IdeaCentre C540:3.3 GHz
Processor socket
- IdeaCentre A520:BGA 1023
- IdeaCentre C540:LGA 1155 (Socket H2)
Thermal Design Power (TDP)
- IdeaCentre A520:35 W
- IdeaCentre C540:55 W
CPU multiplier (bus/core ratio)
- IdeaCentre A520:24
- IdeaCentre C540:33
PCI Express configurations
- IdeaCentre A520:1x16, 2x8, 1x8+2x4
- IdeaCentre C540:1x16, 2x8
Memory types supported by processor
- IdeaCentre A520:DDR3-SDRAM, DDR3L-SDRAM
- IdeaCentre C540:DDR3-SDRAM

Side by side

Differences highlightedShow differences only

Comparison of IdeaCentre A520, IdeaCentre C540
140 specifications	A Lenovo IdeaCentre A520 View product	B Lenovo IdeaCentre C540 View product
Display1 differ
TouchscreenDiffers	Yes	No
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Processor9 differ
Processor modelDiffers	i3-3110M	i3-3220
Processor frequencyDiffers	2.4 GHz	3.3 GHz
Processor socketDiffers	BGA 1023	LGA 1155 (Socket H2)
Thermal Design Power (TDP)Differs	35 W	55 W
CPU multiplier (bus/core ratio)Differs	24	33
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x16, 2x8
Processor codeKnown for one	SR0N2	Unknown — not stated by the source
Processor seriesDiffers	Intel Core i3-3100 Mobile Series	Intel Core i3-3200 Desktop Series
SteppingKnown for one	L1	Unknown — not stated by the source
TjunctionKnown for one	90 °C	Unknown — not stated by the source
Memory types supported by processorDiffers	DDR3-SDRAM, DDR3L-SDRAM	DDR3-SDRAM
ECC supported by processorDiffers	No	Yes
L3 cacheKnown for one	Unknown — not stated by the source	3 MB
TcaseKnown for one	Unknown — not stated by the source	65.3 °C
Memory1 differ
Memory slots typeDiffers	DIMM	SO-DIMM
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Storage2 differ
HDD interfaceDiffers	SATA III	SATA
Optical drive typeDiffers	DVD±RW	DVD-RW
Graphics3 differ
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 2500
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1050 MHz
On-board graphics card IDDiffers	0x166	0x152
Audioidentical
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	4
HDMI ports quantityDiffers	2	1
Design1 differ
Product colourDiffers	Black, Silver	White
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features5 differ
Embedded options availableDiffers	No	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	65700	65693
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	AVX, SSE4.1, SSE4.2
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	0.00
Intel® Secure KeyKnown for one	Unknown — not stated by the source	No
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2011C
Weight & dimensions3 differ
Width (with stand)Differs	561 mm	556 mm
Depth (with stand)Differs	21.5 mm	197 mm
Height (with stand)Differs	345.9 mm	427 mm
Weight (with stand)Known for one	9.8 kg	Unknown — not stated by the source
Packaging contentidentical
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 8	Unknown — not stated by the source
Storage drive interfaceDiffers	Serial ATA III	Serial ATA
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, 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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