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

Lenovo C240 Intel® Celeron® 847 vs Lenovo Essential C540 Intel® Core™ i3

33specifications compared
7differ
26identical
85known for one product only

Key differences

Display diagonal
- C240 Intel® Celeron® 847:47 cm (18.5")
- Essential C540 Intel® Core™ i3:58.4 cm (23")
Full HD
- C240 Intel® Celeron® 847:No
- Essential C540 Intel® Core™ i3:Yes
Processor family
- C240 Intel® Celeron® 847:Intel® Celeron®
- Essential C540 Intel® Core™ i3:Intel® Core™ i3
Internal memory
- C240 Intel® Celeron® 847:2 GB
- Essential C540 Intel® Core™ i3:4 GB
Total storage capacity
- C240 Intel® Celeron® 847:500 GB
- Essential C540 Intel® Core™ i3:1 TB
HDD interface
- C240 Intel® Celeron® 847:SATA II
- Essential C540 Intel® Core™ i3:SATA
Storage drive interface
- C240 Intel® Celeron® 847:Serial ATA II
- Essential C540 Intel® Core™ i3:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of C240, C540
118 specifications	A Lenovo C240 Intel® Celeron® 847 Model C240 View product	B Lenovo Essential C540 Intel® Core™ i3 Model C540 View product
Display2 differ
Display diagonalDiffers	47 cm (18.5")	58.4 cm (23")
Full HDDiffers	No	Yes
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
HD typeKnown for one	Unknown — not stated by the source	Full HD
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Processor1 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i3
Processor modelKnown for one	847	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	1.1 GHz	Unknown — not stated by the source
Processor cacheKnown for one	2 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L3	Unknown — not stated by the source
L3 cacheKnown for one	2 MB	Unknown — not stated by the source
Processor socketKnown for one	BGA 1023	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	17 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	11	Unknown — not stated by the source
FSB ParityKnown for one	No	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	1x8, 1x16, 2x4, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor codenameKnown for one	Sandy Bridge	Unknown — not stated by the source
Processor lithographyKnown for one	32 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 Celeron Processor 800 Series for Mobile	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	16 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	1066,1333 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21.3 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	No	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	8 GB
Storage2 differ
Total storage capacityDiffers	500 GB	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 interfaceDiffers	SATA II	SATA
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	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	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	800 MHz	Unknown — not stated by the source
Audioidentical
Built-in microphone	Yes	Yes
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Audio systemKnown for one	Unknown — not stated by the source	HD
Cameraidentical
Built-in camera	Yes	Yes
Total megapixelsKnown for one	1 MP	Unknown — not stated by the source
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
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jack	Yes	Yes
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
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
Graphics & IMC lithographyKnown for one	32 nm	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	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	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® 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	56056	Unknown — not stated by the source
Processor package sizeKnown for one	31.0 x 24.0 (BGA1023)	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.x	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Other features1 differ
DisplayKnown for one	LCD	Unknown — not stated by the source
Storage drive interfaceDiffers	Serial ATA II	Serial ATA
Weight & dimensionsidentical
Width (with stand)Known for one	Unknown — not stated by the source	556 mm
Depth (with stand)Known for one	Unknown — not stated by the source	197 mm
Height (with stand)Known for one	Unknown — not stated by the source	427 mm
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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