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")
TouchscreenDiffers	Yes	No
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor14 differ
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 socketDiffers	PGA988	LGA 1155 (Socket H2)
Thermal Design Power (TDP)Differs	45 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
PCI Express slots versionDiffers	3.0	2.0
Processor codeKnown for one	SR0UX	Unknown — not stated by the source
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
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
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
HDD interfaceDiffers	SATA III	SATA
Optical drive typeDiffers	Blu-Ray ROM	DVD-RW
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 modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 2500
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1050 MHz
On-board graphics card IDDiffers	0x166	0x152
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	2	4
Design1 differ
Product colourDiffers	Black, Silver	White
Softwareidentical
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features9 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 Secure Key Technology versionDiffers	1.00	0.00
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Secure KeyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
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 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
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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