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

Lenovo M820z + Preferred Pro II USB QWERTZ vs Lenovo V540 + Preferred Pro II USB QWERTZ

146specifications compared
51differ
95identical
35known for one product only

Key differences

Display diagonal
- M820z + Preferred Pro II USB QWERTZ:54.6 cm (21.5")
- V540 + Preferred Pro II USB QWERTZ:60.5 cm (23.8")
Processor generation
- M820z + Preferred Pro II USB QWERTZ:9th gen Intel® Core™ i5
- V540 + Preferred Pro II USB QWERTZ:8th gen Intel® Core™ i5
Processor model
- M820z + Preferred Pro II USB QWERTZ:i5-9400
- V540 + Preferred Pro II USB QWERTZ:i5-8265U
Processor cores
- M820z + Preferred Pro II USB QWERTZ:6
- V540 + Preferred Pro II USB QWERTZ:4
Processor threads
- M820z + Preferred Pro II USB QWERTZ:6
- V540 + Preferred Pro II USB QWERTZ:8
Processor boost frequency
- M820z + Preferred Pro II USB QWERTZ:4.1 GHz
- V540 + Preferred Pro II USB QWERTZ:3.9 GHz
Processor frequency
- M820z + Preferred Pro II USB QWERTZ:2.9 GHz
- V540 + Preferred Pro II USB QWERTZ:1.6 GHz
Processor cache
- M820z + Preferred Pro II USB QWERTZ:9 MB
- V540 + Preferred Pro II USB QWERTZ:6 MB

Side by side

Differences highlightedShow differences only

Comparison of M820z + Preferred Pro II USB QWERTZ, V540 + Preferred Pro II USB QWERTZ
181 specifications	A Lenovo M820z + Preferred Pro II USB QWERTZ View product	B Lenovo V540 + Preferred Pro II USB QWERTZ View product
Display1 differ
Display diagonalDiffers	54.6 cm (21.5")	60.5 cm (23.8")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD type	Full HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightness	250 cd/m²	250 cd/m²
Panel type	WVA	WVA
Screen shape	Flat	Flat
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Processor17 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generationDiffers	9th gen Intel® Core™ i5	8th gen Intel® Core™ i5
Processor modelDiffers	i5-9400	i5-8265U
Processor coresDiffers	6	4
Processor threadsDiffers	6	8
Processor boost frequencyDiffers	4.1 GHz	3.9 GHz
Processor frequencyDiffers	2.9 GHz	1.6 GHz
Processor cacheDiffers	9 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	LGA 1151 (Socket H4)	BGA 1528
System bus rateDiffers	8 GT/s	4 GT/s
Thermal Design Power (TDP)Differs	65 W	15 W
Configurable TDP-up frequencyKnown for one	Unknown — not stated by the source	1.8 GHz
Configurable TDP-upKnown for one	Unknown — not stated by the source	25 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.8 GHz
Configurable TDP-downKnown for one	Unknown — not stated by the source	10 W
Bus typeDiffers	DMI3	OPI
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8+2x4, 1x16, 2x8	1x4, 2x2
PCI Express slots version	3.0	3.0
Processor codenameDiffers	Coffee Lake	Whiskey Lake
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Tjunction	100 °C	100 °C
Maximum internal memory supported by processorDiffers	128 GB	32 GB
Memory types supported by processorDiffers	DDR4-SDRAM	DDR4-SDRAM, LPDDR3-SDRAM
Memory clock speeds supported by processorDiffers	2666 MHz	2133 MHz
Memory bandwidth supported by processor (max)Differs	41.6 GB/s	37.5 GB/s
Conflict-Free processorKnown for one	Yes	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
Memory1 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Maximum internal memory	32 GB	32 GB
Memory slots	2	2
Memory slots type	SO-DIMM	SO-DIMM
Memory clock speed	2666 MHz	2666 MHz
Memory layout (slots x size)Differs	1 x 8 GB	2 x 4 GB
Memory form factor	DIMM/SO-DIMM	DIMM/SO-DIMM
Storage2 differ
Total storage capacity	256 GB	256 GB
Storage media	SSD	SSD
Total SSDs capacity	256 GB	256 GB
Number of SSDs installed	1	1
SSD capacity	256 GB	256 GB
NVMeKnown for one	Unknown — not stated by the source	Yes
SSD interfaceDiffers	PCI Express	NVMe, PCI Express
SSD form factor	M.2	M.2
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD, SDHC, SDXC
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Graphics5 differ
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® UHD Graphics	Intel® UHD Graphics
On-board graphics card modelDiffers	Intel® UHD Graphics 630	Intel® UHD Graphics
Maximum on-board graphics card memoryDiffers	64 GB	32 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequencyDiffers	350 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1100 MHz
On-board graphics card DirectX version	12.0	12.0
On-board graphics card IDDiffers	0X3E98/x92	0x3EA0
On-board graphics card OpenGL version	4.5	4.5
Number of execution unitsKnown for one	23	Unknown — not stated by the source
Audio1 differ
Built-in speaker(s)	Yes	Yes
Number of speakers	2	2
RMS rated powerDiffers	4 W	6 W
Built-in microphone	Yes	Yes
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC233
Audio systemKnown for one	Unknown — not stated by the source	HD
Camera2 differ
Built-in camera	Yes	Yes
Camera HD typeDiffers	Full HD	HD
Camera signal formatDiffers	1080p	720p
Network3 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
WLAN controller modelDiffers	Intel Dual Band Wireless-AC 8265	Intel Dual Band Wireless-AC 9560
Antenna type	2x2	2x2
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionDiffers	4.1	4.0
Ports & interfaces6 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantityDiffers	0	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers	1	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers	1	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Thunderbolt ports quantity	0	0
HDMI input ports quantityKnown for one	Unknown — not stated by the source	1
HDMI output ports quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantityDiffers	0	2
Headphone outputs	1	1
Microphone inDiffers	Yes	No
Combo headphone/mic port	Yes	Yes
DC-in jackKnown for one	Unknown — not stated by the source	Yes
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
On/off buttonKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Product type	All-in-One PC	All-in-One PC
Trusted Platform Module (TPM)	Yes	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
BIOS passwordKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 10 Pro	Windows 10 Pro
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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Software Guard Extensions (Intel SGX)	Yes	Yes
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	Yes
Intel® OS Guard	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	134898	149088
Processor package sizeDiffers	37.5 x 37.5 mm	46x24 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
ScalabilityKnown for one	1S	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2015C	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	150 W	65 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Penidentical
Pen included	No	No
Weight & dimensions8 differ
Width (with stand)Differs	491 mm	541 mm
Depth (with stand)Differs	252 mm	214 mm
Height (with stand)Differs	416 mm	450 mm
Weight (with stand)Differs	7.65 kg	6.4 kg
Width (without stand)Differs	491 mm	541 mm
Depth (without stand)Differs	49 mm	59.7 mm
Height (without stand)Differs	342 mm	337 mm
Weight (without stand)Differs	5.05 kg	4.8 kg
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	Blue Angel, EPEAT Silver, ENERGY STAR
Packaging contentidentical
Keyboard included	Yes	Yes
Keyboard language	French, German	French, German
Keyboard layout	QWERTZ	QWERTZ
AC adapter included	Yes	Yes
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3D	No	No
Autonomy mode	No	No
Detachable display	No	No
Certificatesidentical
Compliance certificatesKnown for one	RoHS	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.

More all-in-one pcs/workstations comparisons

All all-in-one pcs/workstations comparisons