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

Lenovo IdeaCentre B520 vs Lenovo M71z Intel® Core™ i3 i3-2100

122specifications compared
44differ
78identical
26known for one product only

Key differences

Display diagonal
- IdeaCentre B520:58.4 cm (23")
- M71z Intel® Core™ i3 i3-2100:50.8 cm (20")
Display resolution
- IdeaCentre B520:1920 x 1080 pixels
- M71z Intel® Core™ i3 i3-2100:1600 x 900 pixels
HD type
- IdeaCentre B520:Full HD
- M71z Intel® Core™ i3 i3-2100:HD+
Full HD
- IdeaCentre B520:Yes
- M71z Intel® Core™ i3 i3-2100:No
Display brightness
- IdeaCentre B520:300 cd/m²
- M71z Intel® Core™ i3 i3-2100:250 cd/m²
Processor family
- IdeaCentre B520:Intel® Core™ i7
- M71z Intel® Core™ i3 i3-2100:Intel® Core™ i3
Processor generation
- IdeaCentre B520:2nd gen Intel® Core™ i7
- M71z Intel® Core™ i3 i3-2100:2nd gen Intel® Core™ i3
Processor model
- IdeaCentre B520:i7-2600
- M71z Intel® Core™ i3 i3-2100:i3-2100

Side by side

Differences highlightedShow differences only

Comparison of IdeaCentre B520, M71z
148 specifications	A Lenovo IdeaCentre B520 View product	B Lenovo M71z Intel® Core™ i3 i3-2100 Model M71z View product
Display5 differ
Display diagonalDiffers	58.4 cm (23")	50.8 cm (20")
Display resolutionDiffers	1920 x 1080 pixels	1600 x 900 pixels
HD typeDiffers	Full HD	HD+
Full HDDiffers	Yes	No
Display brightnessDiffers	300 cd/m²	250 cd/m²
Processor12 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i3
Processor generationDiffers	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i3
Processor modelDiffers	i7-2600	i3-2100
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyKnown for one	3.8 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.4 GHz	3.1 GHz
Processor cacheDiffers	8 MB	3 MB
Thermal Design Power (TDP)Differs	95 W	35, 65
CPU multiplier (bus/core ratio)Differs	34	31
Processor codeKnown for one	SR00B	Unknown — not stated by the source
Processor seriesDiffers	Intel Core i7-2600 Desktop Series	Intel Core i3-2100 Desktop Series
SteppingDiffers	D2	Q0
TcaseDiffers	72.6 °C	69.1 °C
Memory3 differ
Internal memoryDiffers	8 GB	4 GB
Maximum internal memoryDiffers	16 GB	8 GB
Memory slotsDiffers	4	2
Storage3 differ
Total storage capacityDiffers	2 TB	500 GB
HDD interfaceDiffers	SATA	SATA II
Optical drive typeDiffers	Blu-Ray ROM	DVD-RW
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 555M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Differs	1350 MHz	1100 MHz
Audio2 differ
RMS rated powerDiffers	15 W	4 W
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Audio systemDiffers	SRS Premium Sound	HD
Camera1 differ
Total megapixelsDiffers	0.3 MP	2 MP
Networkidentical
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	4	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
HDMI ports quantityDiffers	2	0
DC-in jackKnown for one	Yes	Unknown — not stated by the source
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Design1 differ
Product colourDiffers	Black, Silver	Black
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Processor special features6 differ
Embedded options availableDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	52213	53422
Weight & dimensions4 differ
Width (with stand)Differs	567.8 mm	506.8 mm
Depth (with stand)Differs	76.5 mm	107 mm
Height (with stand)Differs	426.7 mm	411 mm
Weight (with stand)Differs	10.1 kg	8.85 kg
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Packaging contentidentical
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
Graphics card familyDiffers	Intel, NVIDIA	Intel
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Power supplyKnown for one	250 W	Unknown — not stated by the source
Storage drive interfaceDiffers	Serial ATA	Serial ATA II
Chassis typeKnown for one	Unknown — not stated by the source	All-in-One
Modem typeKnown for one	Unknown — not stated by the source	None
Number of slotsKnown for one	Unknown — not stated by the source	1
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® H61
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	150 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%

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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