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

Lenovo IdeaCentre С340 Intel® Core™ i3 i3-3240 vs Lenovo C470 2957U 4G50GVW

105specifications compared
50differ
55identical
47known for one product only

Key differences

Display diagonal
- IdeaCentre С340 Intel® Core™ i3 i3-3240:50.8 cm (20")
- C470 2957U 4G50GVW:54.6 cm (21.5")
Display resolution
- IdeaCentre С340 Intel® Core™ i3 i3-3240:1600 x 900 pixels
- C470 2957U 4G50GVW:1920 x 1080 pixels
HD type
- IdeaCentre С340 Intel® Core™ i3 i3-3240:HD+
- C470 2957U 4G50GVW:Full HD
Full HD
- IdeaCentre С340 Intel® Core™ i3 i3-3240:No
- C470 2957U 4G50GVW:Yes
Processor family
- IdeaCentre С340 Intel® Core™ i3 i3-3240:Intel® Core™ i3
- C470 2957U 4G50GVW:Intel® Celeron®
Processor model
- IdeaCentre С340 Intel® Core™ i3 i3-3240:i3-3240
- C470 2957U 4G50GVW:2957U
Processor threads
- IdeaCentre С340 Intel® Core™ i3 i3-3240:4
- C470 2957U 4G50GVW:2
Processor frequency
- IdeaCentre С340 Intel® Core™ i3 i3-3240:3.4 GHz
- C470 2957U 4G50GVW:1.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of С340, C470 2957U 4G50GVW
152 specifications	A Lenovo IdeaCentre С340 Intel® Core™ i3 i3-3240 Model С340 View product	B Lenovo C470 2957U 4G50GVW 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
Touchscreen	No	No
HD typeDiffers	HD+	Full HD
Full HDDiffers	No	Yes
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Celeron®
Processor modelDiffers	i3-3240	2957U
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	3.4 GHz	1.4 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
FSB Parity	No	No
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	SR1DV
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 Celeron Processor 2000 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
TcaseKnown for one	65.3 °C	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Memory slotsKnown for one	2	Unknown — not stated by the source
Storage2 differ
Total storage capacity	500 GB	500 GB
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 interfaceDiffers	SATA	SATA III
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	FLU, Memory Stick (MS), MiniSD, MMC, MS Duo, MS PRO, MSXC, PSVita, SD	MMC, SD, SDHC, SDXC
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
Graphics4 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® 615	NVIDIA® GeForce® 820M
Discrete graphics card memory	1 GB	1 GB
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
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
Audio1 differ
Built-in speaker(s)	Yes	Yes
RMS rated powerDiffers	6 W	3 W
Built-in microphone	Yes	Yes
Cameraidentical
Built-in camera	Yes	Yes
Total megapixelsKnown for one	0.3 MP	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Bluetooth	No	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	1	1
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
USB 2.0 ports quantityKnown for one	4	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
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
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features19 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 Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	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)	Yes	Yes
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® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	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	78942
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
Thermal solution specificationKnown for one	PCG 2011C	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Packaging content2 differ
Mouse includedDiffers	No	Yes
Keyboard includedDiffers	No	Yes
Other features1 differ
Intel® Virtualization Technology (Intel® VT)	VT-x	VT-x
Storage drive interfaceDiffers	Serial ATA	Serial ATA III
Weight & dimensionsidentical
Width (with stand)Known for one	497.8 mm	Unknown — not stated by the source
Depth (with stand)Known for one	196 mm	Unknown — not stated by the source
Height (with stand)Known for one	396.2 mm	Unknown — not stated by the source
Weight (with stand)Known for one	5.9 kg	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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