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

Lenovo A720 Intel® Core™ i7 i7-3630QM vs Lenovo Essential C440

117specifications compared
49differ
68identical
33known for one product only

Key differences

Display diagonal
- A720 Intel® Core™ i7 i7-3630QM:68.6 cm (27")
- Essential C440:54.6 cm (21.5")
Touchscreen
- A720 Intel® Core™ i7 i7-3630QM:Yes
- Essential C440:No
Processor family
- A720 Intel® Core™ i7 i7-3630QM:Intel® Core™ i7
- Essential C440:Intel® Pentium®
Processor model
- A720 Intel® Core™ i7 i7-3630QM:i7-3630QM
- Essential C440:G645
Processor cores
- A720 Intel® Core™ i7 i7-3630QM:4
- Essential C440:2
Processor threads
- A720 Intel® Core™ i7 i7-3630QM:8
- Essential C440:2
Processor frequency
- A720 Intel® Core™ i7 i7-3630QM:2.4 GHz
- Essential C440:2.9 GHz
Processor cache
- A720 Intel® Core™ i7 i7-3630QM:6 MB
- Essential C440:3 MB

Side by side

Differences highlightedShow differences only

Comparison of A720, Essential C440
150 specifications	A Lenovo A720 Intel® Core™ i7 i7-3630QM Model A720 View product	B Lenovo Essential C440 View product
Display2 differ
Display diagonalDiffers	68.6 cm (27")	54.6 cm (21.5")
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
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Processor18 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Pentium®
Processor generationKnown for one	3rd gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-3630QM	G645
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	3.4 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.4 GHz	2.9 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	65 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Differs	24	29
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 configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionDiffers	3.0	2.0
Processor codeDiffers	SR0UX	SR0RS
Processor codenameDiffers	Ivy Bridge	Sandy Bridge
Processor lithographyDiffers	22 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Pentium G600 Series for Desktop
SteppingDiffers	E1	Q0
TjunctionKnown for one	105 °C	Unknown — not stated by the source
Conflict-Free processorDiffers	Yes	No
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1333,1600 MHz	1066 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	17 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
TcaseKnown for one	Unknown — not stated by the source	69.1 °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 speed	1600 MHz	1600 MHz
Memory layout (slots x size)Known for one	2 x 4 GB	Unknown — not stated by the source
Storage3 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 speedDiffers	5400 RPM	7200 RPM
HDD interfaceDiffers	SATA III	SATA II
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
Graphics4 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
Number of displays supported (on-board graphics)Differs	3	2
On-board graphics card base frequencyDiffers	650 MHz	850 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
On-board graphics card IDKnown for one	0x166	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Audio system	HD	HD
RMS rated powerKnown for one	Unknown — not stated by the source	6 W
Cameraidentical
Built-in camera	Yes	Yes
Total megapixelsKnown for one	Unknown — not stated by the source	1 MP
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
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	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
VGA (D-Sub) ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	2
Design1 differ
Product colourDiffers	Black, Silver	Black
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 8	Windows 8
Processor special features13 differ
CPU configuration (max)	1	1
Embedded options available	No	No
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 Technology	Yes	Yes
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 versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
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)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	71459	69116
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Weight & dimensions4 differ
Width (with stand)Differs	650 mm	532 mm
Depth (with stand)Differs	220 mm	196 mm
Height (with stand)Differs	480 mm	407 mm
Weight (with stand)Differs	11.6 kg	6.44 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Cables included	AC	AC
Quick start guide	Yes	Yes
Other features2 differ
Graphics card familyDiffers	Intel, NVIDIA	Intel
Chassis typeKnown for one	All-in-One	Unknown — not stated by the source
Compatible operating systems	Windows 8	Windows 8
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Storage drive interfaceDiffers	Serial ATA III	Serial ATA II
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® H61
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	120 W
Certificatesidentical
Compliance certificatesKnown 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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