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

Lenovo Essential C440 Intel Pentium G G2020 vs Lenovo Essential C540 Intel® Core™ i3

47specifications compared
6differ
41identical
75known for one product only

Key differences

Display diagonal
- Essential C440 Intel Pentium G G2020:54.6 cm (21.5")
- Essential C540 Intel® Core™ i3:58.4 cm (23")
Processor family
- Essential C440 Intel Pentium G G2020:Intel Pentium G
- Essential C540 Intel® Core™ i3:Intel® Core™ i3
Built-in camera
- Essential C440 Intel Pentium G G2020:No
- Essential C540 Intel® Core™ i3:Yes
Width (with stand)
- Essential C440 Intel Pentium G G2020:532 mm
- Essential C540 Intel® Core™ i3:556 mm
Depth (with stand)
- Essential C440 Intel Pentium G G2020:196 mm
- Essential C540 Intel® Core™ i3:197 mm
Height (with stand)
- Essential C440 Intel Pentium G G2020:407 mm
- Essential C540 Intel® Core™ i3:427 mm

Side by side

Differences highlightedShow differences only

Comparison of C440, C540
122 specifications	A Lenovo Essential C440 Intel Pentium G G2020 Model C440 View product	B Lenovo Essential C540 Intel® Core™ i3 Model C540 View product
Display1 differ
Display diagonalDiffers	54.6 cm (21.5")	58.4 cm (23")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
HD type	Full HD	Full HD
Full HD	Yes	Yes
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor1 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyDiffers	Intel Pentium G	Intel® Core™ i3
Processor modelKnown for one	G2020	Unknown — not stated by the source
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyKnown for one	2.9 GHz	Unknown — not stated by the source
Processor cacheKnown for one	3 MB	Unknown — not stated by the source
Processor cache typeKnown for one	Smart Cache	Unknown — not stated by the source
Processor socketKnown for one	LGA 1155 (Socket H2)	Unknown — not stated by the source
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
64-bit computingKnown for one	Yes	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	55 W	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	29	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor codeKnown for one	SR10H	Unknown — not stated by the source
Processor codenameKnown for one	Ivy Bridge	Unknown — not stated by the source
Processor lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Pentium G2000 Series for Desktop	Unknown — not stated by the source
SteppingKnown for one	P0	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	32 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1333 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
Memory channels supported by processorKnown for one	Dual	Unknown — not stated by the source
ECC supported by processorKnown for one	Yes	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory slotsKnown for one	2	Unknown — not stated by the source
Memory slots typeKnown for one	DIMM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Storageidentical
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	7200 RPM	7200 RPM
HDD interface	SATA	SATA
Optical drive type	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
Graphicsidentical
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	3	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1050 MHz	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Audio system	HD	HD
Camera1 differ
Built-in cameraDiffers	No	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 & interfacesidentical
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantity	4	4
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 jack	Yes	Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
Designidentical
Product colour	White	White
Softwareidentical
Operating system installed	Windows 8	Windows 8
Processor special featuresidentical
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	0.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Secure KeyKnown for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	71070	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2011C	Unknown — not stated by the source
Weight & dimensions3 differ
Width (with stand)Differs	532 mm	556 mm
Depth (with stand)Differs	196 mm	197 mm
Height (with stand)Differs	407 mm	427 mm
Weight (with stand)Known for one	6.44 kg	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT Gold, ENERGY STAR
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Other featuresidentical
Storage drive interface	Serial ATA	Serial ATA

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