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

Lenovo ThinkCentre 71z Intel® Core™ i3 i3-2100 vs Lenovo IdeaCentre B520 Intel® Core™ i3 i3-2100

123specifications compared
23differ
100identical
44known for one product only

Key differences

Display diagonal
- ThinkCentre 71z Intel® Core™ i3 i3-2100:50.8 cm (20")
- IdeaCentre B520 Intel® Core™ i3 i3-2100:58.4 cm (23")
Internal memory
- ThinkCentre 71z Intel® Core™ i3 i3-2100:2 GB
- IdeaCentre B520 Intel® Core™ i3 i3-2100:4 GB
Maximum internal memory
- ThinkCentre 71z Intel® Core™ i3 i3-2100:8 GB
- IdeaCentre B520 Intel® Core™ i3 i3-2100:16 GB
Memory layout (slots x size)
- ThinkCentre 71z Intel® Core™ i3 i3-2100:1 x 2 GB
- IdeaCentre B520 Intel® Core™ i3 i3-2100:2 x 2 GB
Total storage capacity
- ThinkCentre 71z Intel® Core™ i3 i3-2100:500 GB
- IdeaCentre B520 Intel® Core™ i3 i3-2100:1 TB
HDD capacity
- ThinkCentre 71z Intel® Core™ i3 i3-2100:500 GB
- IdeaCentre B520 Intel® Core™ i3 i3-2100:1 TB
Optical drive type
- ThinkCentre 71z Intel® Core™ i3 i3-2100:DVD-RW
- IdeaCentre B520 Intel® Core™ i3 i3-2100:DVD Super Multi DL
USB 2.0 ports quantity
- ThinkCentre 71z Intel® Core™ i3 i3-2100:6
- IdeaCentre B520 Intel® Core™ i3 i3-2100:4

Side by side

Differences highlightedShow differences only

Comparison of 71z, B520
167 specifications	A Lenovo ThinkCentre 71z Intel® Core™ i3 i3-2100 Model 71z View product	B Lenovo IdeaCentre B520 Intel® Core™ i3 i3-2100 Model B520 View product
Display1 differ
Display diagonalDiffers	50.8 cm (20")	58.4 cm (23")
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
TouchscreenKnown for one	Unknown — not stated by the source	Yes
HD typeKnown for one	Unknown — not stated by the source	Full HD
Full HDKnown for one	Unknown — not stated by the source	Yes
LED backlightKnown for one	Unknown — not stated by the source	Yes
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generation	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i3
Processor model	i3-2100	i3-2100
Processor cores	2	2
Processor threads	4	4
Processor frequency	3.1 GHz	3.1 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
System bus rate	5 GT/s	5 GT/s
Thermal Design Power (TDP)	35, 65	35, 65
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)	31	31
FSB Parity	No	No
Maximum number of PCI Express lanes	16	16
PCI Express slots version	2.0	2.0
Processor codename	Sandy Bridge	Sandy Bridge
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i3-2100 Desktop Series	Intel Core i3-2100 Desktop Series
Stepping	Q0	Q0
Tcase	69.1 °C	69.1 °C
Conflict-Free processor	No	No
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1066,1333 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memoryDiffers	8 GB	16 GB
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Storage3 differ
Total storage capacityDiffers	500 GB	1 TB
Storage mediaKnown for one	Unknown — not stated by the source	HDD
Number of storage drives installedKnown for one	Unknown — not stated by the source	1
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Optical drive typeDiffers	DVD-RW	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
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 2000	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card ID	0x102	0x102
Audioidentical
Number of speakersKnown for one	Unknown — not stated by the source	5
Built-in microphone	Yes	Yes
Cameraidentical
Built-in cameraKnown for one	Unknown — not stated by the source	Yes
Total megapixelsKnown for one	Unknown — not stated by the source	0.3 MP
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	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
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Ports & interfaces5 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantityDiffers	6	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
HDMI ports quantityDiffers	0	2
VGA (D-Sub) ports quantity	0	0
DVI port	No	No
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Firewire (IEEE 1394) ports	0	0
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	2
PS/2 ports quantityDiffers	0	1
Serial ports quantityDiffers	1	0
Design1 differ
Product colourDiffers	Black	Black, Silver
Software2 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureDiffers	32-bit	64-bit
Processor special featuresidentical
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	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK ID	53422	53422
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Weight & dimensions4 differ
Width (with stand)Differs	551 mm	567.8 mm
Depth (with stand)Differs	368 mm	76.5 mm
Height (with stand)Differs	71.5 mm	426.7 mm
Weight (with stand)Differs	7.5 kg	10.1 kg
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Silver, ENERGY STAR	ENERGY STAR
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboard includedKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	Yes
Other features3 differ
Graphics card family	Intel	Intel
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Chassis type	All-in-One	All-in-One
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Copper ethernet cabling technologyKnown for one	Unknown — not stated by the source	1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	567.8 x 76.5 x 426.7 mm
DisplayDiffers	LCD	TFT
Display diagonal (metric)Known for one	Unknown — not stated by the source	58.4 cm
Display included	Yes	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Floppy drive installed	No	No
HDMIKnown for one	Unknown — not stated by the source	Yes
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Maximum number of SMP processors	1	1
Megapixel (approx.)Known for one	Unknown — not stated by the source	0.3 MP
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Networking features	Gigabit Ethernet	Gigabit Ethernet
Number of processors installed	1	1
Parallel ports quantity	0	0
Platform	PC	PC
Power supplyDiffers	150 W	250 W
SpeakersDiffers	Yes	monitor built-in
TV tuner integratedKnown for one	Unknown — not stated by the source	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Line-inKnown for one	Yes	Unknown — not stated by the source
Line-outKnown for one	Yes	Unknown — not stated by the source
Number of 3.5" baysKnown for one	1	Unknown — not stated by the source
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® H61	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.

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