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

Acer Z431G (i3-550) vs Lenovo ThinkCentre M90z + ThinkCentre Extend Arm

33specifications compared
11differ
22identical
97known for one product only

Key differences

Display diagonal
- Z431G (i3-550):54.6 cm (21.5")
- ThinkCentre M90z + ThinkCentre Extend Arm:58.4 cm (23")
Processor frequency
- Z431G (i3-550):3.2 GHz
- ThinkCentre M90z + ThinkCentre Extend Arm:2.8 GHz
Processor cache
- Z431G (i3-550):4 MB
- ThinkCentre M90z + ThinkCentre Extend Arm:3 MB
Processor cache type
- Z431G (i3-550):Smart Cache
- ThinkCentre M90z + ThinkCentre Extend Arm:L3
Internal memory type
- Z431G (i3-550):DDR2-SDRAM
- ThinkCentre M90z + ThinkCentre Extend Arm:DDR3-SDRAM
Maximum internal memory
- Z431G (i3-550):8 GB
- ThinkCentre M90z + ThinkCentre Extend Arm:4 GB
Total storage capacity
- Z431G (i3-550):320 GB
- ThinkCentre M90z + ThinkCentre Extend Arm:250 GB
DVI port
- Z431G (i3-550):Yes
- ThinkCentre M90z + ThinkCentre Extend Arm:No

Side by side

Differences highlightedShow differences only

Comparison of Z431G (i3-550), ThinkCentre M90z + ThinkCentre Extend Arm
130 specifications	A Acer Z431G (i3-550)View product	B Lenovo ThinkCentre M90z + ThinkCentre Extend Arm View product
Display1 differ
Display diagonalDiffers	54.6 cm (21.5")	58.4 cm (23")
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
HD typeKnown for one	Full HD	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Processor3 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor modelKnown for one	i3-550	Unknown — not stated by the source
Processor cores	2	2
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor frequencyDiffers	3.2 GHz	2.8 GHz
Processor cacheDiffers	4 MB	3 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socketKnown for one	LGA 1156 (Socket H)	Unknown — not stated by the source
System bus rate	2.5 GT/s	2.5 GT/s
Thermal Design Power (TDP)Known for one	73 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	24	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
Processor codeKnown for one	SLBUD	Unknown — not stated by the source
Processor codenameKnown for one	Clarkdale	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 Core i3-500 Desktop Series	Unknown — not stated by the source
SteppingKnown for one	K0	Unknown — not stated by the source
TcaseKnown for one	72.6 °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	16 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	1066,1333 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 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
Memory2 differ
Internal memory	2 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Maximum internal memoryDiffers	8 GB	4 GB
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Storage1 differ
Total storage capacityDiffers	320 GB	250 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD speed	7200 RPM	7200 RPM
HDD interface	SATA	SATA
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MMCmicro, MS Duo, MS PRO, MS PRO Duo, SD, xD	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
On-board graphics card	Yes	Yes
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	Unknown — not stated by the source
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	733 MHz	Unknown — not stated by the source
Audioidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Built-in cameraKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Wi-Fi	No	No
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces3 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
Headphone outputs	1	1
Microphone in	Yes	Yes
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
PS/2 ports quantityDiffers	0	2
Serial ports quantityDiffers	0	1
Designidentical
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
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
Graphics & IMC lithographyKnown for one	45 nm	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	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	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	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® 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® 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
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDKnown for one	48505	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	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Other features1 differ
Graphics card family	Intel	Intel
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Chassis type	All-in-One	All-in-One
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
DisplayKnown for one	FHD TFT LCD	Unknown — not stated by the source
Display included	Yes	Yes
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Networking features	Gigabit Ethernet	Gigabit Ethernet
Number of processors installedKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
Power supplyDiffers	220 W	150 W
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Floppy drive installedKnown for one	Unknown — not stated by the source	No
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Weight & dimensionsidentical
Width (with stand)Known for one	Unknown — not stated by the source	560 mm
Depth (with stand)Known for one	Unknown — not stated by the source	116 mm
Height (with stand)Known for one	Unknown — not stated by the source	443 mm
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	No

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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