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

Lenovo IdeaCentre A540 Intel® Core™ i5 i5-4258U vs Lenovo Horizon 2

120specifications compared
28differ
92identical
32known for one product only

Key differences

Display diagonal
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:60.5 cm (23.8")
- Horizon 2:68.6 cm (27")
Full HD
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:Yes
- Horizon 2:No
Processor model
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:i5-4258U
- Horizon 2:i5-4210U
Processor boost frequency
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:2.9 GHz
- Horizon 2:2.7 GHz
Processor frequency
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:2.4 GHz
- Horizon 2:1.7 GHz
Thermal Design Power (TDP)
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:28 W
- Horizon 2:15 W
PCI Express configurations
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:1x4, 2x4
- Horizon 2:4x1, 2x4
Processor code
- IdeaCentre A540 Intel® Core™ i5 i5-4258U:SR18A
- Horizon 2:SR1EF

Side by side

Differences highlightedShow differences only

Comparison of A540, Horizon 2
152 specifications	A Lenovo IdeaCentre A540 Intel® Core™ i5 i5-4258U Model A540 View product	B Lenovo Horizon 2 View product
Display2 differ
Display diagonalDiffers	60.5 cm (23.8")	68.6 cm (27")
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Touchscreen	Yes	Yes
HD typeKnown for one	Full HD	Unknown — not stated by the source
Full HDDiffers	Yes	No
LED backlightKnown for one	Yes	Unknown — not stated by the source
Touch technology	Multi-touch	Multi-touch
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Panel typeKnown for one	IPS	Unknown — not stated by the source
Processor9 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	4th gen Intel® Core™ i5	4th gen Intel® Core™ i5
Processor modelDiffers	i5-4258U	i5-4210U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.9 GHz	2.7 GHz
Processor frequencyDiffers	2.4 GHz	1.7 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
64-bit computing	Yes	Yes
Thermal Design Power (TDP)Differs	28 W	15 W
Bus type	DMI2	DMI2
FSB Parity	No	No
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	1x4, 2x4	4x1, 2x4
PCI Express slots version	2.0	2.0
Processor codeDiffers	SR18A	SR1EF
Processor codename	Haswell	Haswell
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-4200 Mobile series	Intel Core i5-4200 Mobile series
SteppingDiffers	C0	D0
Tjunction	100 °C	100 °C
Conflict-Free processor	Yes	Yes
Maximum internal memory supported by processor	16 GB	16 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3L-SDRAM, LPDDR3-SDRAM
Memory clock speeds supported by processorDiffers	1333,1666 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 processor	No	No
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Memoryidentical
Internal memory	8 GB	8 GB
Internal memory typeKnown for one	DDR3L-SDRAM	Unknown — not stated by the source
Memory slots typeKnown for one	SO-DIMM	Unknown — not stated by the source
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Storageidentical
Total storage capacity	1 TB	1 TB
Storage mediaKnown for one	Hybrid-HDD	Unknown — not stated by the source
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Hybrid-HDD cache typeKnown for one	SSD	Unknown — not stated by the source
Hybrid-HDD cache memoryKnown for one	8 GB	Unknown — not stated by the source
Optical drive type	No	No
Card reader integrated	Yes	Yes
Graphics5 differ
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 840M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card	Yes	Yes
On-board graphics card familyDiffers	Intel® Iris™ Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® Iris™ Graphics 5100	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
On-board graphics card DirectX versionDiffers	11.1	12
On-board graphics card IDDiffers	0xA2E	0xA16
Audioidentical
Built-in speaker(s)	Yes	Yes
Speakers manufacturerKnown for one	JBL	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Audio system	Dolby Home Theater	Dolby Home Theater
Cameraidentical
Built-in camera	Yes	Yes
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ethernet LANDiffers	Yes	No
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	3
Thunderbolt ports quantity	0	0
HDMI ports quantity	1	1
VGA (D-Sub) ports quantity	0	0
Combo headphone/mic port	Yes	Yes
DC-in jack	Yes	Yes
Docking connectorKnown for one	No	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Total number of SATA connectors	4	4
Number of SATA III connectors	4	4
Designidentical
Product colour	Silver	Silver
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Product type	All-in-One PC	All-in-One PC
Placement supportedKnown for one	Unknown — not stated by the source	Horizontal/Vertical
Softwareidentical
Operating system installed	Windows 8.1	Windows 8.1
Operating system architecture	64-bit	64-bit
Processor special features3 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 Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware Version	9.5	9.5
Intel Rapid Storage Technology	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
Processor ARK IDDiffers	75990	81016
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
Width (with stand)Differs	720 mm	669 mm
Depth (with stand)Differs	190 mm	19.5 mm
Height (with stand)Differs	495 mm	407.9 mm
Weight (with stand)Differs	11.2 kg	7 kg
Packaging content2 differ
Mouse includedDiffers	Yes	No
Keyboard includedDiffers	Yes	No
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
Autonomy modeKnown for one	No	Unknown — not stated by the source
Near Field Communication (NFC)	Yes	Yes
SmartCard slotKnown for one	No	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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