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
Display diagonal	58.4 cm (23")	58.4 cm (23")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
TouchscreenDiffers	Yes	No
HD type	Full HD	Full HD
Full HD	Yes	Yes
LED backlight	Yes	Yes
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Processor9 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generation	3rd gen Intel® Core™ i3	3rd gen Intel® Core™ i3
Processor modelDiffers	i3-3110M	i3-3220
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.4 GHz	3.3 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1023	LGA 1155 (Socket H2)
System bus rate	5 GT/s	5 GT/s
64-bit computing	Yes	Yes
Thermal Design Power (TDP)Differs	35 W	55 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Differs	24	33
FSB Parity	No	No
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
PCI Express slots version	2.0	2.0
Processor codeKnown for one	SR0N2	Unknown — not stated by the source
Processor codename	Ivy Bridge	Ivy Bridge
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
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
Conflict-Free processor	Yes	Yes
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3-SDRAM, DDR3L-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1333,1600 MHz	1333,1600 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
Memory channels supported by processor	Dual	Dual
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
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory slots	2	2
Memory slots typeDiffers	DIMM	SO-DIMM
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacity	1 TB	1 TB
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of HDDs installed	1	1
HDD speed	5400 RPM	5400 RPM
HDD interfaceDiffers	SATA III	SATA
Optical drive typeDiffers	DVD±RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cards	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC
Graphics3 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 2500
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1050 MHz
On-board graphics card IDDiffers	0x166	0x152
Audioidentical
Built-in speaker(s)	Yes	Yes
Audio system	HD	HD
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Cameraidentical
Built-in camera	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	No	No
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
HDMI ports quantityDiffers	2	1
VGA (D-Sub) ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jack	Yes	Yes
Design1 differ
Product colourDiffers	Black, Silver	White
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features5 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	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)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
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
Thermal Monitoring Technologies	Yes	Yes
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
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
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.

More all-in-one pcs/workstations comparisons

All all-in-one pcs/workstations comparisons