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

Lenovo C340 Intel® Core™ i3 i3-3220 vs Lenovo Essential C440

113specifications compared
44differ
69identical
27known for one product only

Key differences

Display diagonal
- C340 Intel® Core™ i3 i3-3220:50.8 cm (20")
- Essential C440:54.6 cm (21.5")
Display resolution
- C340 Intel® Core™ i3 i3-3220:1600 x 900 pixels
- Essential C440:1920 x 1080 pixels
HD type
- C340 Intel® Core™ i3 i3-3220:HD+
- Essential C440:Full HD
Full HD
- C340 Intel® Core™ i3 i3-3220:No
- Essential C440:Yes
Processor family
- C340 Intel® Core™ i3 i3-3220:Intel® Core™ i3
- Essential C440:Intel® Pentium®
Processor model
- C340 Intel® Core™ i3 i3-3220:i3-3220
- Essential C440:G645
Processor threads
- C340 Intel® Core™ i3 i3-3220:4
- Essential C440:2
Processor frequency
- C340 Intel® Core™ i3 i3-3220:3.3 GHz
- Essential C440:2.9 GHz

Side by side

Differences highlightedShow differences only

Comparison of C340, Essential C440
140 specifications	A Lenovo C340 Intel® Core™ i3 i3-3220 Model C340 View product	B Lenovo Essential C440 View product
Display4 differ
Display diagonalDiffers	50.8 cm (20")	54.6 cm (21.5")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
HD typeDiffers	HD+	Full HD
Full HDDiffers	No	Yes
Processor14 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium®
Processor modelDiffers	i3-3220	G645
Processor threadsDiffers	4	2
Processor frequencyDiffers	3.3 GHz	2.9 GHz
Thermal Design Power (TDP)Differs	55 W	65 W
CPU multiplier (bus/core ratio)Differs	33	29
Processor codeKnown for one	Unknown — not stated by the source	SR0RS
Processor codenameDiffers	Ivy Bridge	Sandy Bridge
Processor lithographyDiffers	22 nm	32 nm
Processor seriesDiffers	Intel Core i3-3200 Desktop Series	Intel Pentium G600 Series for Desktop
SteppingKnown for one	Unknown — not stated by the source	Q0
TcaseDiffers	65.3 °C	69.1 °C
Conflict-Free processorDiffers	Yes	No
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
ECC supported by processorDiffers	Yes	No
Processor generationKnown for one	3rd gen Intel® Core™ i3	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	6 GB	4 GB
Memory slots typeDiffers	DIMM	SO-DIMM
Memory clock speedDiffers	1333 MHz	1600 MHz
Storage2 differ
HDD interfaceDiffers	SATA	SATA II
Optical drive typeDiffers	DVD-RW	DVD±RW
Graphics4 differ
On-board graphics card modelDiffers	Intel® HD Graphics 2500	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	1050 MHz	1100 MHz
On-board graphics card IDKnown for one	0x152	Unknown — not stated by the source
Audioidentical
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Audio systemKnown for one	Unknown — not stated by the source	HD
Cameraidentical
Total megapixelsKnown for one	Unknown — not stated by the source	1 MP
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	4	6
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	2
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Designidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® H61
Processor special features12 differ
Embedded options availableDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	65693	69116
Supported instruction setsDiffers	AVX, SSE4.1, SSE4.2	SSE4.1, SSE4.2
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	0.00	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown for one	No	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2011C	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	120 W
Weight & dimensions3 differ
Width (with stand)Differs	499 mm	532 mm
Height (with stand)Differs	397 mm	407 mm
Weight (with stand)Differs	5.94 kg	6.44 kg
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
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 8
Storage drive interfaceDiffers	Serial ATA	Serial ATA II
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source

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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