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

Lenovo IdeaCentre B520 vs Lenovo ThinkCentre M70z Intel® Core™ i3 i3-550

107specifications compared
52differ
55identical
56known for one product only

Key differences

Display diagonal
- IdeaCentre B520:58.4 cm (23")
- ThinkCentre M70z Intel® Core™ i3 i3-550:48.3 cm (19")
Display resolution
- IdeaCentre B520:1920 x 1080 pixels
- ThinkCentre M70z Intel® Core™ i3 i3-550:1440 x 900 pixels
HD type
- IdeaCentre B520:Full HD
- ThinkCentre M70z Intel® Core™ i3 i3-550:Not supported
Native aspect ratio
- IdeaCentre B520:16:9
- ThinkCentre M70z Intel® Core™ i3 i3-550:16:10
Processor family
- IdeaCentre B520:Intel® Core™ i7
- ThinkCentre M70z Intel® Core™ i3 i3-550:Intel® Core™ i3
Processor generation
- IdeaCentre B520:2nd gen Intel® Core™ i7
- ThinkCentre M70z Intel® Core™ i3 i3-550:Intel® Core™ i3
Processor model
- IdeaCentre B520:i7-2600
- ThinkCentre M70z Intel® Core™ i3 i3-550:i3-550
Processor cores
- IdeaCentre B520:4
- ThinkCentre M70z Intel® Core™ i3 i3-550:2

Side by side

Differences highlightedShow differences only

Comparison of IdeaCentre B520, M70z
163 specifications	A Lenovo IdeaCentre B520 View product	B Lenovo ThinkCentre M70z Intel® Core™ i3 i3-550 Model M70z View product
Display4 differ
Display diagonalDiffers	58.4 cm (23")	48.3 cm (19")
Display resolutionDiffers	1920 x 1080 pixels	1440 x 900 pixels
Touchscreen	Yes	Yes
HD typeDiffers	Full HD	Not supported
Full HDKnown for one	Yes	Unknown — not stated by the source
LED backlightKnown for one	Yes	Unknown — not stated by the source
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Native aspect ratioDiffers	16:9	16:10
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i3
Processor generationDiffers	2nd gen Intel® Core™ i7	Intel® Core™ i3
Processor modelDiffers	i7-2600	i3-550
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	3.2 GHz
Processor cacheDiffers	8 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1156 (Socket H)
System bus rateDiffers	5 GT/s	2.5 GT/s
64-bit computingKnown for one	Yes	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	95 W	73 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Differs	34	24
FSB Parity	No	No
Maximum number of PCI Express lanes	16	16
PCI Express slots version	2.0	2.0
Processor codeDiffers	SR00B	SLBUD
Processor codenameDiffers	Sandy Bridge	Clarkdale
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Desktop Series	Intel Core i3-500 Desktop Series
SteppingDiffers	D2	K0
Tcase	72.6 °C	72.6 °C
Conflict-Free processor	No	No
Maximum internal memory supported by processorDiffers	32 GB	16 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
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	382 M
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
Processing Die sizeKnown for one	Unknown — not stated by the source	81 mm²
Memory2 differ
Internal memoryDiffers	8 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memoryDiffers	16 GB	8 GB
Memory slotsKnown for one	4	Unknown — not stated by the source
Memory slots typeKnown for one	SO-DIMM	Unknown — not stated by the source
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Storage2 differ
Total storage capacityDiffers	2 TB	500 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD speed	7200 RPM	7200 RPM
HDD interface	SATA	SATA
Optical drive typeDiffers	Blu-Ray ROM	DVD-RW
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphics3 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 555M	Not available
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 2000	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequencyDiffers	850 MHz	733 MHz
On-board graphics card dynamic frequency (max)Known for one	1350 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x102	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
RMS rated powerKnown for one	15 W	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	SRS Premium Sound	Unknown — not stated by the source
Cameraidentical
Built-in cameraKnown for one	Yes	Unknown — not stated by the source
Total megapixelsKnown for one	0.3 MP	Unknown — not stated by the source
Network1 differ
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
BluetoothDiffers	No	Yes
Ports & interfaces4 differ
Ethernet LAN (RJ-45) ports	1	1
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
VGA (D-Sub) ports quantityDiffers	0	1
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jackKnown for one	Yes	Unknown — not stated by the source
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	1
Design1 differ
Product colourDiffers	Black, Silver	Black
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features13 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	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 AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	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)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	52213	48505
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	SSE4.2
Thermal Monitoring TechnologiesDiffers	Yes	No
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
Width (with stand)Differs	567.8 mm	470 mm
Depth (with stand)Differs	76.5 mm	111 mm
Height (with stand)Differs	426.7 mm	396 mm
Weight (with stand)Known for one	10.1 kg	Unknown — not stated by the source
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
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
Graphics card familyDiffers	Intel, NVIDIA	Intel
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Networking features	Gigabit Ethernet	Gigabit Ethernet
Power supplyDiffers	250 W	150 W
Storage drive interfaceKnown for one	Serial ATA	Unknown — not stated by the source
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Chassis typeKnown for one	Unknown — not stated by the source	All-in-One
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7 Professional Windows 7 Home Premium Windows 7 Home Basic Windows 7 Starter
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	470 x 111 x 396 mm
DisplayKnown for one	Unknown — not stated by the source	LCD
Display includedKnown for one	Unknown — not stated by the source	Yes
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Number of 3.5" baysKnown for one	Unknown — not stated by the source	1
Number of processors installedKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
PlatformKnown for one	Unknown — not stated by the source	PC
SpeakersKnown for one	Unknown — not stated by the source	monitor built-in
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, 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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