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

Lenovo IdeaCentre B750 Intel® Core™ i7 i7-4770 vs Lenovo IdeaCentre C455 AMD E E1-2500

70specifications compared
33differ
37identical
100known for one product only

Key differences

Display diagonal
- IdeaCentre B750 Intel® Core™ i7 i7-4770:73.7 cm (29")
- IdeaCentre C455 AMD E E1-2500:54.6 cm (21.5")
Processor manufacturer
- IdeaCentre B750 Intel® Core™ i7 i7-4770:Intel
- IdeaCentre C455 AMD E E1-2500:AMD
Processor family
- IdeaCentre B750 Intel® Core™ i7 i7-4770:Intel® Core™ i7
- IdeaCentre C455 AMD E E1-2500:AMD E
Processor model
- IdeaCentre B750 Intel® Core™ i7 i7-4770:i7-4770
- IdeaCentre C455 AMD E E1-2500:E1-2500
Processor cores
- IdeaCentre B750 Intel® Core™ i7 i7-4770:4
- IdeaCentre C455 AMD E E1-2500:2
Processor frequency
- IdeaCentre B750 Intel® Core™ i7 i7-4770:3.4 GHz
- IdeaCentre C455 AMD E E1-2500:1.4 GHz
Processor cache
- IdeaCentre B750 Intel® Core™ i7 i7-4770:8 MB
- IdeaCentre C455 AMD E E1-2500:1 MB
Processor cache type
- IdeaCentre B750 Intel® Core™ i7 i7-4770:Smart Cache
- IdeaCentre C455 AMD E E1-2500:L2

Side by side

Differences highlightedShow differences only

Comparison of B750, C455
170 specifications	A Lenovo IdeaCentre B750 Intel® Core™ i7 i7-4770 Model B750 View product	B Lenovo IdeaCentre C455 AMD E E1-2500 Model C455 View product
Display1 differ
Display diagonalDiffers	73.7 cm (29")	54.6 cm (21.5")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD type	Full HD	Full HD
Full HD	Yes	Yes
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 typeKnown for one	IPS	Unknown — not stated by the source
Processor7 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i7	AMD E
Processor generationKnown for one	4th gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-4770	E1-2500
Processor coresDiffers	4	2
Processor threadsKnown for one	8	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.9 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.4 GHz	1.4 GHz
Processor cacheDiffers	8 MB	1 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketKnown for one	LGA 1150 (Socket H3)	Unknown — not stated by the source
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)Known for one	84 W	Unknown — not stated by the source
Bus typeKnown for one	DMI2	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
Number of QPI linksKnown for one	1	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	3.0	Unknown — not stated by the source
Processor codeKnown for one	SR149	Unknown — not stated by the source
Processor codenameKnown for one	Haswell	Unknown — not stated by the source
Processor lithographyKnown for one	22 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i7-4700 Desktop series	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
TcaseKnown for one	72.72 °C	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	32 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1333,1600 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
Memory channels supported by processorKnown for one	Dual	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory voltage supported by processorKnown for one	1.5 V	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	6 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memoryDiffers	16 GB	8 GB
Memory slots	2	2
Memory slots type	DIMM	DIMM
Memory clock speed	1600 MHz	1600 MHz
Memory layout (slots x size)Differs	2 x 4 GB	1 x 2 + 1 x 4 GB
Storage3 differ
Total storage capacityDiffers	2 TB	1 TB
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of HDDs installed	1	1
HDD capacityKnown for one	2 TB	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD interfaceDiffers	SATA III	SATA
Optical drive typeDiffers	Blu-Ray DVD Combo	DVD-RW
Card reader integrated	Yes	Yes
Graphics2 differ
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GTX 760M	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
On-board graphics card	Yes	Yes
On-board graphics card familyDiffers	Intel® HD Graphics	AMD Radeon HD 8000
On-board graphics card modelDiffers	Intel® HD Graphics 4600	AMD Radeon HD 8240
Maximum on-board graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	3	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1200 MHz	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	11.2/12	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x412	Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
Audio1 differ
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 systemDiffers	HD	Dolby Advanced Audio v2
Cameraidentical
Built-in camera	Yes	Yes
Camera resolution	1280 x 720 pixels	1280 x 720 pixels
Network2 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 ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
Thunderbolt ports quantity	0	0
HDMI ports quantityKnown for one	2	Unknown — not stated by the source
VGA (D-Sub) ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Docking connectorKnown for one	No	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
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)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect Technology	No	No
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-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Insider™Known for one	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Rapid Start Technology	No	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response Technology	No	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDKnown for one	75122	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
ScalabilityKnown for one	1S	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2013D	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Power1 differ
AC adapter powerKnown for one	250 W	Unknown — not stated by the source
AC adapter frequency	50/60 Hz	50/60 Hz
AC adapter input voltageDiffers	220 - 230 V	100 - 240 V
Weight & dimensions4 differ
Width (with stand)Differs	908 mm	532 mm
Depth (with stand)Differs	298 mm	197 mm
Height (with stand)Differs	588 mm	406 mm
Weight (with stand)Differs	16 kg	5.55 kg
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
3DKnown for one	Yes	Unknown — not stated by the source
Autonomy mode	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
Storage drive interfaceDiffers	Serial ATA III	Serial ATA
Optical driveidentical
Optical drive interfaceKnown for one	Unknown — not stated by the source	SATA

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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