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

Lenovo C340 4G50GVW vs Lenovo C455 4G50VW

29specifications compared
8differ
21identical
71known for one product only

Key differences

Display diagonal
- C340 4G50GVW:50.8 cm (20")
- C455 4G50VW:54.6 cm (21.5")
Full HD
- C340 4G50GVW:No
- C455 4G50VW:Yes
Processor manufacturer
- C340 4G50GVW:Intel
- C455 4G50VW:AMD
Processor family
- C340 4G50GVW:Intel® Core™ i3
- C455 4G50VW:AMD E
Processor model
- C340 4G50GVW:i3-3240T
- C455 4G50VW:E2-3800
Processor cores
- C340 4G50GVW:2
- C455 4G50VW:4
Processor frequency
- C340 4G50GVW:2.9 GHz
- C455 4G50VW:1.3 GHz
Product colour
- C340 4G50GVW:Black
- C455 4G50VW:White

Side by side

Differences highlightedShow differences only

Comparison of C340 4G50GVW, C455 4G50VW
100 specifications	A Lenovo C340 4G50GVW View product	B Lenovo C455 4G50VW View product
Display2 differ
Display diagonalDiffers	50.8 cm (20")	54.6 cm (21.5")
Touchscreen	No	No
Full HDDiffers	No	Yes
LED backlight	Yes	Yes
Processor5 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i3	AMD E
Processor generationKnown for one	3rd gen Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-3240T	E2-3800
Processor coresDiffers	2	4
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor frequencyDiffers	2.9 GHz	1.3 GHz
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
Thermal Design Power (TDP)Known for one	35 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	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	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 Core i3-3200 Desktop Series	Unknown — not stated by the source
TcaseKnown for one	65 °C	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	1333,1600 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	No	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Storageidentical
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Card reader integrated	Yes	Yes
Graphicsidentical
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics 2500	Unknown — not stated by the source
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
On-board graphics card IDKnown for one	0x152	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Cameraidentical
Built-in camera	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Ethernet LAN	No	No
Bluetooth	No	No
Wi-Fi standardsKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfacesidentical
Thunderbolt ports quantity	0	0
HDMI ports quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
Design1 differ
Product colourDiffers	Black	White
Performanceidentical
Product type	All-in-One PC	All-in-One PC
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	Yes	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 Identity Protection Technology versionKnown for one	1.00	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	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	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	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Insider™Known 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
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown 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	Yes	Unknown — not stated by the source
Processor ARK IDKnown for one	66168	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	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2011A	Unknown — not stated by the source
Certificatesidentical
Compliance certificates	RoHS	RoHS
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	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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