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

Lenovo ThinkCentre M820z Intel® Core™ i5 i5-8400 vs Lenovo M910z + Preferred Pro II USB Keyboard QWERTZ Swiss

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  • 142specifications compared
  • 35differ
  • 107identical
  • 25known for one product only

Key differences

  • Display diagonal
    • 54.6 cm (21.5")
    • 60.5 cm (23.8")
  • Touchscreen
    • No
    • Yes
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 8th gen Intel® Core™ i5
    • 7th gen Intel® Core™ i7
  • Processor model
    • i5-8400
    • i7-7700
  • Processor cores
    • 6
    • 4
  • Processor threads
    • 6
    • 8
  • Processor boost frequency
    • 4 GHz
    • 4.2 GHz

Side by side

Differences highlightedShow differences only
167 specifications
A

Lenovo

ThinkCentre M820z Intel® Core™ i5 i5-8400

Model M820z

View product
B

Lenovo

M910z + Preferred Pro II USB Keyboard QWERTZ SwissView product
Display2 differ
Display diagonalDiffers54.6 cm (21.5")60.5 cm (23.8")
Display resolution1920 x 1080 pixels1920 x 1080 pixels
TouchscreenDiffersNoYes
HD typeFull HDFull HD
LED backlightYesYes
Touch technologyKnown for oneMulti-touch
Native aspect ratio16:916:9
Display brightness250 cd/m²250 cd/m²
Display surfaceKnown for oneMatt
Screen shapeFlatFlat
Panel typeKnown for oneWVA
Processor11 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers8th gen Intel® Core™ i57th gen Intel® Core™ i7
Processor modelDiffersi5-8400i7-7700
Processor coresDiffers64
Processor threadsDiffers68
Processor boost frequencyDiffers4 GHz4.2 GHz
Processor frequencyDiffers2.8 GHz3.6 GHz
Processor cacheDiffers9 MB8 MB
Processor cache typeSmart CacheSmart Cache
Processor socketLGA 1151 (Socket H4)LGA 1151 (Socket H4)
System bus rate8 GT/s8 GT/s
Thermal Design Power (TDP)65 W65 W
Bus typeDMI3DMI3
Maximum number of PCI Express lanes1616
PCI Express configurations1x16, 1x8+2x4, 2x81x16, 1x8+2x4, 2x8
PCI Express slots version3.03.0
Processor codeKnown for oneSR338
Processor codenameDiffersCoffee LakeKaby Lake
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
SteppingKnown for oneB0
Tjunction100 °C100 °C
Conflict-Free processorYesYes
Maximum internal memory supported by processor64 GB64 GB
Memory types supported by processorDiffersDDR4-SDRAMDDR3L, DDR4-SDRAM
Memory clock speeds supported by processorDiffers2666 MHz1333,1600,2133,2400 MHz
Memory channels supported by processorDualDual
ECC supported by processorNoNo
Memory voltage supported by processorKnown for one1.35 V
Memory bandwidth supported by processor (max)Known for one41.6 GB/s
Memory1 differ
Internal memory8 GB8 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Maximum internal memory32 GB32 GB
Memory slots22
Memory slots typeSO-DIMMSO-DIMM
Memory clock speedDiffers2666 MHz2400 MHz
Memory layout (slots x size)1 x 8 GB1 x 8 GB
Memory form factorDIMM/SO-DIMMDIMM/SO-DIMM
Storageidentical
Total storage capacity256 GB256 GB
Storage mediaSSDSSD
Number of storage drives installed11
Number of SSDs installed11
SSD capacity256 GB256 GB
Optical drive typeDVD±RWDVD±RW
Card reader integratedYesYes
Graphics5 differ
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics cardYesYes
On-board graphics card familyDiffersIntel® UHD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® UHD Graphics 630Intel® HD Graphics 630
Maximum on-board graphics card memory64 GB64 GB
Number of displays supported (on-board graphics)33
On-board graphics card base frequency350 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1050 MHz1150 MHz
On-board graphics card DirectX version12.012.0
On-board graphics card IDDiffers0x3E920x5912
On-board graphics card OpenGL versionDiffers4.54.4
Number of execution unitsKnown for one23
Audio2 differ
Built-in speaker(s)YesYes
Number of speakers22
RMS rated powerDiffers4 W6 W
Built-in microphoneYesYes
Audio chipRealtek ALC233Realtek ALC233
Audio systemDiffersDolby Audio PremiumHD
Cameraidentical
Built-in cameraYesYes
Camera HD typeFull HDFull HD
Camera resolutionKnown for one1920 x 1080 pixels
Camera signal format1080p1080p
Networkidentical
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Wi-Fi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version4.14.1
Ports & interfaces3 differ
Ethernet LAN (RJ-45) ports11
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers46
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers10
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers10
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Thunderbolt 3 ports quantity00
Thunderbolt ports quantity00
HDMI ports quantity00
VGA (D-Sub) ports quantity00
DisplayPorts quantity11
Headphone outputs11
Microphone inKnown for oneNo
Combo headphone/mic portYesYes
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
Designidentical
Product colourBlackBlack
Cable lock slotKnown for oneYes
Performance1 differ
Product typeAll-in-One PCAll-in-One PC
Motherboard chipsetDiffersIntel® B360Intel® Q270
Trusted Platform Module (TPM)YesYes
HDD user passwordKnown for oneYes
Softwareidentical
Operating system installedWindows 10 ProWindows 10 Pro
Operating system architecture64-bit64-bit
Processor special features8 differ
CPU configuration (max)11
Embedded options availableDiffersNoYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel Identity Protection Technology version1.001.00
Intel Secure Key Technology version1.001.00
Intel Software Guard Extensions (Intel SGX)YesYes
Intel Stable Image Platform Program (SIPP)DiffersNoYes
Intel Stable Image Platform Program (SIPP) versionDiffers0.001.00
Intel TSX-NIDiffersNoYes
Intel TSX-NI versionDiffers0.001.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® OS GuardYesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers12668797128
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Scalability1S1S
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Thermal solution specificationPCG 2015CPCG 2015C
Poweridentical
AC adapter power150 W150 W
AC adapter frequency50/60 Hz50/60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
Weight & dimensions1 differ
Width (with stand)Differs491 mm584 mm
Depth (with stand)Known for one253 mm
Height (with stand)Known for one505 mm
Weight (with stand)Known for one10.3 kg
Width (without stand)Known for one584 mm
Depth (without stand)Known for one45 mm
Height (without stand)Known for one390 mm
Weight (without stand)Known for one7.8 kg
Certificatesidentical
Compliance certificatesRoHSRoHS
Sustainability1 differ
Sustainability certificatesDiffersEPEAT Gold, ENERGY STARENERGY STAR
Packaging contentidentical
Mouse includedKnown for oneYes
Keyboard includedKnown for oneYes
Power cord includedYesYes
ManualYesYes
Other featuresidentical
3DKnown for oneNo
Autonomy modeNoNo
Detachable displayNoNo
Intel segment taggingKnown for oneEnterprise, Professional

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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