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

Acer Aspire Z1620-ms308 Intel® Pentium® G645 vs Lenovo Essential C540 Intel® Core™ i3

44specifications compared
14differ
30identical
78known for one product only

Key differences

Display diagonal
- Aspire Z1620-ms308 Intel® Pentium® G645:50.8 cm (20")
- Essential C540 Intel® Core™ i3:58.4 cm (23")
Display resolution
- Aspire Z1620-ms308 Intel® Pentium® G645:1600 x 900 pixels
- Essential C540 Intel® Core™ i3:1920 x 1080 pixels
HD type
- Aspire Z1620-ms308 Intel® Pentium® G645:HD+
- Essential C540 Intel® Core™ i3:Full HD
Full HD
- Aspire Z1620-ms308 Intel® Pentium® G645:No
- Essential C540 Intel® Core™ i3:Yes
Processor family
- Aspire Z1620-ms308 Intel® Pentium® G645:Intel® Pentium®
- Essential C540 Intel® Core™ i3:Intel® Core™ i3
HDD interface
- Aspire Z1620-ms308 Intel® Pentium® G645:SATA II
- Essential C540 Intel® Core™ i3:SATA
Optical drive type
- Aspire Z1620-ms308 Intel® Pentium® G645:DVD Super Multi
- Essential C540 Intel® Core™ i3:DVD-RW
Product colour
- Aspire Z1620-ms308 Intel® Pentium® G645:Black
- Essential C540 Intel® Core™ i3:White

Side by side

Differences highlightedShow differences only

Comparison of Z1620-ms308, C540
122 specifications	A Acer Aspire Z1620-ms308 Intel® Pentium® G645 Model Z1620-ms308 View product	B Lenovo Essential C540 Intel® Core™ i3 Model C540 View product
Display4 differ
Display diagonalDiffers	50.8 cm (20")	58.4 cm (23")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeDiffers	HD+	Full HD
Full HDDiffers	No	Yes
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor1 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i3
Processor modelKnown for one	G645	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	2.9 GHz	Unknown — not stated by the source
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
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	65 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 slots versionKnown for one	2.0	Unknown — not stated by the source
Processor codeKnown for one	SR0RS	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 Pentium G600 Series for Desktop	Unknown — not stated by the source
SteppingKnown for one	Q0	Unknown — not stated by the source
TcaseKnown for one	69.1 °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	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	1066 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	17 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
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory slotsKnown for one	2	Unknown — not stated by the source
Storage3 differ
Total storage capacity	1 TB	1 TB
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of HDDs installed	1	1
HDD interfaceDiffers	SATA II	SATA
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO Duo, SD, SDHC, xD	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
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	850 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1100 MHz	Unknown — not stated by the source
Cameraidentical
Built-in camera	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	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
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jack	Yes	Yes
Design1 differ
Product colourDiffers	Black	White
Performanceidentical
Motherboard chipsetKnown for one	Intel® H61 Express	Unknown — not stated by the source
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	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® Smart CacheKnown for one	Yes	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	69116	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	SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	135 W	Unknown — not stated by the source
Weight & dimensions3 differ
Width (with stand)Differs	525 mm	556 mm
Depth (with stand)Differs	65 mm	197 mm
Height (with stand)Differs	378 mm	427 mm
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT Gold, ENERGY STAR
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
3DKnown for one	No	Unknown — not stated by the source
Storage drive interfaceDiffers	Serial ATA II	Serial ATA
Audioidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Audio systemKnown for one	Unknown — not stated by the source	HD

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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