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

Lenovo IdeaCentre С340 Intel® Core™ i3 i3-3240 vs Lenovo C40-30 Intel® Pentium® 3558U

105specifications compared
52differ
53identical
71known for one product only

Key differences

Display diagonal
- IdeaCentre С340 Intel® Core™ i3 i3-3240:50.8 cm (20")
- C40-30 Intel® Pentium® 3558U:54.6 cm (21.5")
Display resolution
- IdeaCentre С340 Intel® Core™ i3 i3-3240:1600 x 900 pixels
- C40-30 Intel® Pentium® 3558U:1920 x 1080 pixels
HD type
- IdeaCentre С340 Intel® Core™ i3 i3-3240:HD+
- C40-30 Intel® Pentium® 3558U:Full HD
Processor family
- IdeaCentre С340 Intel® Core™ i3 i3-3240:Intel® Core™ i3
- C40-30 Intel® Pentium® 3558U:Intel® Pentium®
Processor model
- IdeaCentre С340 Intel® Core™ i3 i3-3240:i3-3240
- C40-30 Intel® Pentium® 3558U:3558U
Processor threads
- IdeaCentre С340 Intel® Core™ i3 i3-3240:4
- C40-30 Intel® Pentium® 3558U:2
Processor frequency
- IdeaCentre С340 Intel® Core™ i3 i3-3240:3.4 GHz
- C40-30 Intel® Pentium® 3558U:1.7 GHz
Processor cache
- IdeaCentre С340 Intel® Core™ i3 i3-3240:3 MB
- C40-30 Intel® Pentium® 3558U:2 MB

Side by side

Differences highlightedShow differences only

Comparison of С340, C40-30
176 specifications	A Lenovo IdeaCentre С340 Intel® Core™ i3 i3-3240 Model С340 View product	B Lenovo C40-30 Intel® Pentium® 3558U Model C40-30 View product
Display3 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
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Screen shapeKnown for one	Unknown — not stated by the source	Flat
TouchscreenKnown for one	No	Unknown — not stated by the source
Full HDKnown for one	No	Unknown — not stated by the source
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium®
Processor modelDiffers	i3-3240	3558U
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	3.4 GHz	1.7 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	LGA 1155 (Socket H2)	BGA 1168
System bus rate	5 GT/s	5 GT/s
Thermal Design Power (TDP)Differs	55 W	15 W
Bus typeDiffers	DMI	DMI2
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	10
PCI Express configurationsDiffers	1x16, 2x8	4x1, 1x4
PCI Express slots version	2.0	2.0
Processor codeKnown for one	Unknown — not stated by the source	SR1E8
Processor codenameDiffers	Ivy Bridge	Haswell
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-3200 Desktop Series	Intel Pentium 3000 series for Mobile
SteppingKnown for one	Unknown — not stated by the source	D0
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Conflict-Free processor	Yes	Yes
Maximum internal memory supported by processorDiffers	32 GB	16 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3L-SDRAM, LPDDR3-SDRAM
Memory clock speeds supported by processor	1333,1600 MHz	1333,1600 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processorDiffers	Yes	No
Processor generationKnown for one	3rd gen Intel® Core™ i3	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	34	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
TcaseKnown for one	65.3 °C	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	6 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR3L-SDRAM
Maximum internal memory	8 GB	8 GB
Memory slots	2	2
Memory slots typeKnown for one	Unknown — not stated by the source	SO-DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	DIMM/SO-DIMM
Storage4 differ
Total storage capacityDiffers	500 GB	1 TB
Storage media	HDD	HDD
Number of storage drives installedKnown for one	Unknown — not stated by the source	1
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD interfaceDiffers	SATA	SATA III
Optical drive typeDiffers	DVD-RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	FLU, Memory Stick (MS), MiniSD, MMC, MS Duo, MS PRO, MSXC, PSVita, SD	MMC, MS PRO, Memory Stick (MS), SD, SDHC, SDXC
Graphics3 differ
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 2500	Intel® HD Graphics
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequencyDiffers	650 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1000 MHz
Discrete graphics card modelKnown for one	NVIDIA® GeForce® 615	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
On-board graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x152	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)	Yes	Yes
RMS rated power	6 W	6 W
Built-in microphone	Yes	Yes
Audio systemKnown for one	Unknown — not stated by the source	Dolby Advanced Audio
Camera1 differ
Built-in camera	Yes	Yes
Total megapixelsDiffers	0.3 MP	1 MP
Camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
Optical drive interfaceKnown for one	Unknown — not stated by the source	SATA
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	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
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces3 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt 3 ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantity	0	0
HDMI ports quantity	1	1
VGA (D-Sub) ports quantity	0	0
Headphone outputsDiffers	0	1
Microphone inDiffers	No	Yes
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	2
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	2
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Performanceidentical
Product type	All-in-One PC	All-in-One PC
Motherboard chipsetKnown for one	Intel® H61	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8	Windows 8.1
Operating system architecture	64-bit	64-bit
Trial softwareKnown for one	Unknown — not stated by the source	McAfee LiveSafe
Processor special features16 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology versionDiffers	0.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	0.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	0.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
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)	No	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)Differs	No	Yes
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® OS GuardKnown for one	Unknown — not stated by the source	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure KeyDiffers	No	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	65690	78945
Processor package sizeDiffers	37.5 x 37.5 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX, SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
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 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® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	Yes	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	90 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Weight & dimensions4 differ
Width (with stand)Differs	497.8 mm	529.7 mm
Depth (with stand)Differs	196 mm	51 mm
Height (with stand)Differs	396.2 mm	361.5 mm
Weight (with stand)Differs	5.9 kg	5.53 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
Mouse included	No	No
Keyboard included	No	No
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Autonomy modeKnown for one	Unknown — not stated by the source	No
Detachable displayKnown for one	Unknown — not stated by the source	No
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Storage drive interfaceKnown for one	Serial ATA	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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