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

Lenovo IdeaCentre B750 Intel® Core™ i7 i7-4770 vs Lenovo Flex 20

126specifications compared
53differ
73identical
53known for one product only

Key differences

Display diagonal
- IdeaCentre B750 Intel® Core™ i7 i7-4770:73.7 cm (29")
- Flex 20:49.5 cm (19.5")
Display resolution
- IdeaCentre B750 Intel® Core™ i7 i7-4770:1920 x 1080 pixels
- Flex 20:1600 x 900 pixels
Touchscreen
- IdeaCentre B750 Intel® Core™ i7 i7-4770:No
- Flex 20:Yes
HD type
- IdeaCentre B750 Intel® Core™ i7 i7-4770:Full HD
- Flex 20:HD+
Full HD
- IdeaCentre B750 Intel® Core™ i7 i7-4770:Yes
- Flex 20:No
Processor model
- IdeaCentre B750 Intel® Core™ i7 i7-4770:i7-4770
- Flex 20:i7-4500U
Processor cores
- IdeaCentre B750 Intel® Core™ i7 i7-4770:4
- Flex 20:2
Processor threads
- IdeaCentre B750 Intel® Core™ i7 i7-4770:8
- Flex 20:4

Side by side

Differences highlightedShow differences only

Comparison of B750, Flex 20
179 specifications	A Lenovo IdeaCentre B750 Intel® Core™ i7 i7-4770 Model B750 View product	B Lenovo Flex 20 View product
Display5 differ
Display diagonalDiffers	73.7 cm (29")	49.5 cm (19.5")
Display resolutionDiffers	1920 x 1080 pixels	1600 x 900 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	Full HD	HD+
Full HDDiffers	Yes	No
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Processor14 differ
Processor modelDiffers	i7-4770	i7-4500U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.9 GHz	3 GHz
Processor frequencyDiffers	3.4 GHz	1.8 GHz
Processor cacheDiffers	8 MB	4 MB
Processor socketDiffers	LGA 1150 (Socket H3)	BGA 1168
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
64-bit computingKnown for one	Yes	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	84 W	15 W
Maximum number of PCI Express lanesDiffers	16	12
Number of QPI linksKnown for one	1	Unknown — not stated by the source
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	2x4
PCI Express slots versionDiffers	3.0	2.0
Processor codeDiffers	SR149	SR16Z
Processor seriesDiffers	Intel Core i7-4700 Desktop series	Intel Core i7-4500 Mobile series
TcaseKnown for one	72.72 °C	Unknown — not stated by the source
Maximum internal memory supported by processorDiffers	32 GB	16 GB
Memory voltage supported by processorKnown for one	1.5 V	Unknown — not stated by the source
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Memory1 differ
Maximum internal memoryDiffers	16 GB	8 GB
Memory slotsKnown for one	2	Unknown — not stated by the source
Memory slots typeKnown for one	DIMM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 4 GB	Unknown — not stated by the source
Storage5 differ
Total storage capacityDiffers	2 TB	500 GB
Storage mediaDiffers	HDD	Hybrid-HDD
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	2 TB	Unknown — not stated by the source
HDD speedDiffers	7200 RPM	5400 RPM
HDD interfaceDiffers	SATA III	SATA
Optical drive typeDiffers	Blu-Ray DVD Combo	No
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
Graphics7 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® GTX 760M	Not available
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers	2 GB	1.74 GB
On-board graphics card base frequencyDiffers	350 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1200 MHz	1100 MHz
On-board graphics card DirectX versionDiffers	11.2/12	12
On-board graphics card IDDiffers	0x412	0xA16
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
Audioidentical
RMS rated powerKnown for one	6 W	Unknown — not stated by the source
Speakers manufacturerKnown for one	JBL	Unknown — not stated by the source
Built-in subwooferKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	HD	Unknown — not stated by the source
Cameraidentical
Camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Network1 differ
Ethernet LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfaces5 differ
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
HDMI ports quantityDiffers	2	0
Headphone outputsDiffers	1	0
Microphone inDiffers	Yes	No
Docking connectorKnown for one	No	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Design1 differ
Product colourDiffers	Black	Black, Silver
Performanceidentical
Motherboard chipsetKnown for one	Intel® B85	Unknown — not stated by the source
Processor special features6 differ
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect TechnologyDiffers	No	Yes
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Processor ARK IDDiffers	75122	75460
Processor package sizeDiffers	37.5 x 37.5 mm	40 x 24 x 1.5 mm
ScalabilityKnown for one	1S	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2013D	Unknown — not stated by the source
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	Yes
Poweridentical
AC adapter powerKnown for one	250 W	Unknown — not stated by the source
AC adapter frequencyKnown for one	50/60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	220 - 230 V	Unknown — not stated by the source
Weight & dimensions4 differ
Width (with stand)Differs	908 mm	509.3 mm
Depth (with stand)Differs	298 mm	20.5 mm
Height (with stand)Differs	588 mm	311.7 mm
Weight (with stand)Differs	16 kg	3.5 kg
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Packaging content2 differ
Mouse includedDiffers	Yes	No
Keyboard includedDiffers	Yes	No
Other features2 differ
3DKnown for one	Yes	Unknown — not stated by the source
Autonomy modeDiffers	No	Yes
SmartCard slotKnown for one	No	Unknown — not stated by the source
Storage drive interfaceDiffers	Serial ATA III	Serial ATA
Number of battery cellsKnown for one	Unknown — not stated by the source	4
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)

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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