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

Lenovo A720 Intel® Core™ i7 i7-3630QM vs Lenovo IdeaCentre C540

119specifications compared
37differ
82identical
27known for one product only

Key differences

Display diagonal
- A720 Intel® Core™ i7 i7-3630QM:68.6 cm (27")
- IdeaCentre C540:58.4 cm (23")
Touchscreen
- A720 Intel® Core™ i7 i7-3630QM:Yes
- IdeaCentre C540:No
Processor family
- A720 Intel® Core™ i7 i7-3630QM:Intel® Core™ i7
- IdeaCentre C540:Intel® Core™ i3
Processor generation
- A720 Intel® Core™ i7 i7-3630QM:3rd gen Intel® Core™ i7
- IdeaCentre C540:3rd gen Intel® Core™ i3
Processor model
- A720 Intel® Core™ i7 i7-3630QM:i7-3630QM
- IdeaCentre C540:i3-3220
Processor cores
- A720 Intel® Core™ i7 i7-3630QM:4
- IdeaCentre C540:2
Processor threads
- A720 Intel® Core™ i7 i7-3630QM:8
- IdeaCentre C540:4
Processor frequency
- A720 Intel® Core™ i7 i7-3630QM:2.4 GHz
- IdeaCentre C540:3.3 GHz

Side by side

Differences highlightedShow differences only

Comparison of A720, IdeaCentre C540
146 specifications	A Lenovo A720 Intel® Core™ i7 i7-3630QM Model A720 View product	B Lenovo IdeaCentre C540 View product
Display2 differ
Display diagonalDiffers	68.6 cm (27")	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
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i3
Processor generationDiffers	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i3
Processor modelDiffers	i7-3630QM	i3-3220
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyKnown for one	3.4 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.4 GHz	3.3 GHz
Processor cacheDiffers	6 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	PGA988	LGA 1155 (Socket H2)
System bus rate	5 GT/s	5 GT/s
64-bit computing	Yes	Yes
Thermal Design Power (TDP)Differs	45 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 versionDiffers	3.0	2.0
Processor codeKnown for one	SR0UX	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 i7-3600 Mobile series	Intel Core i3-3200 Desktop Series
SteppingKnown for one	E1	Unknown — not stated by the source
TjunctionKnown for one	105 °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 processor	DDR3-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 memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory slots	2	2
Memory slots type	SO-DIMM	SO-DIMM
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 4 GB	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	Blu-Ray ROM	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
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 630M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
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	1150 MHz	1050 MHz
On-board graphics card IDDiffers	0x166	0x152
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Audio system	HD	HD
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 & interfaces1 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 quantity	1	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
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features9 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 Secure Key Technology versionDiffers	1.00	0.00
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)Differs	Yes	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® Secure KeyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
Processor ARK IDDiffers	71459	65693
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	AVX, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2011C
Weight & dimensions3 differ
Width (with stand)Differs	650 mm	556 mm
Depth (with stand)Differs	220 mm	197 mm
Height (with stand)Differs	480 mm	427 mm
Weight (with stand)Known for one	11.6 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Graphics card familyKnown for one	Intel, NVIDIA	Unknown — not stated by the source
Chassis typeKnown for one	All-in-One	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 8	Unknown — not stated by the source
Ethernet interface typeKnown for one	Gigabit Ethernet	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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