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
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Panel type	IPS	IPS
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Processor14 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	4th gen Intel® Core™ i7	4th gen Intel® Core™ i7
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 cache type	Smart Cache	Smart Cache
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
Bus type	DMI2	DMI2
FSB Parity	No	No
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 codename	Haswell	Haswell
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4700 Desktop series	Intel Core i7-4500 Mobile series
Stepping	C0	C0
TcaseKnown for one	72.72 °C	Unknown — not stated by the source
Conflict-Free processor	Yes	Yes
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	1333,1600 MHz	1333,1600 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
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
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
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 clock speed	1600 MHz	1600 MHz
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
Card reader integrated	Yes	Yes
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	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers	2 GB	1.74 GB
Number of displays supported (on-board graphics)	3	3
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
Built-in speaker(s)	Yes	Yes
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 microphone	Yes	Yes
Built-in subwooferKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	HD	Unknown — not stated by the source
Cameraidentical
Built-in camera	Yes	Yes
Camera resolutionKnown for one	1280 x 720 pixels	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 LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
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
Thunderbolt ports quantity	0	0
HDMI ports quantityDiffers	2	0
VGA (D-Sub) ports quantity	0	0
Headphone outputsDiffers	1	0
Microphone inDiffers	Yes	No
Combo headphone/mic port	Yes	Yes
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
Product type	All-in-One PC	All-in-One PC
Motherboard chipsetKnown for one	Intel® B85	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Processor special features6 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
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	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
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 TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
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)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
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)	Yes	Yes
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Secure Key	Yes	Yes
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
Intel® Turbo Boost Technology	2.0	2.0
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
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
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
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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