Product comparison · 2 cpus

HP Intel Celeron B820 vs HP Intel Core i7-3920XM

46specifications compared
26differ
20identical
15known for one product only

Key differences

The HP Intel Core i7-3920XM has 1.2 GHz more processor base frequency than the HP Intel Celeron B820 (2.9 GHz vs 1.7 GHz). The HP Intel Core i7-3920XM has 2 more processor cores than the HP Intel Celeron B820 (4 vs 2). The HP Intel Celeron B820 has 10 nm more processor lithography than the HP Intel Core i7-3920XM (32 nm vs 22 nm). Only the HP Intel Core i7-3920XM has integrated 4G WiMAX. Only the HP Intel Core i7-3920XM has Intel Trusted Execution Technology.

Processor model
- Intel Celeron B820:B820
- Intel Core i7-3920XM:i7-3920XM
Processor base frequency
- Intel Celeron B820:1.7 GHz
- Intel Core i7-3920XM:2.9 GHz
Processor cores
- Intel Celeron B820:2
- Intel Core i7-3920XM:4
Processor lithography
- Intel Celeron B820:32 nm
- Intel Core i7-3920XM:22 nm
Processor threads
- Intel Celeron B820:2
- Intel Core i7-3920XM:8
Processor cache
- Intel Celeron B820:2 MB
- Intel Core i7-3920XM:8 MB
Thermal Design Power (TDP)
- Intel Celeron B820:35 W
- Intel Core i7-3920XM:55 W
Stepping
- Intel Celeron B820:Q0
- Intel Core i7-3920XM:E1

Side by side

Differences highlightedShow differences only

Comparison of Intel Celeron B820, Intel Core i7-3920XM
61 specifications	A HP Intel Celeron B820 View product	B HP Intel Core i7-3920XM View product
Processor10 differ
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i7 X-series Extreme Edition
Processor modelDiffers	B820	i7-3920XM
Processor base frequencyDiffers	1.7 GHz	2.9 GHz
Processor coresDiffers	2	4
Processor socket	PGA988	PGA988
Processor lithographyDiffers	32 nm	22 nm
Package type	Tray	Tray
Processor threadsDiffers	2	8
System bus rate	5 GT/s	5 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	2 MB	8 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	35 W	55 W
SteppingDiffers	Q0	E1
Memory bandwidth supported by processor (max)Differs	21.3 GB/s	25.6 GB/s
Processor manufacturerKnown for one	Unknown — not stated by the source	Intel
Processor generationKnown for one	Unknown — not stated by the source	3rd gen Intel® Core™ i7
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.8 GHz
Memory3 differ
Maximum internal memory supported by processorDiffers	16 GB	32 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3-SDRAM, DDR3L-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333 MHz	1333,1600 MHz
Memory channels	Dual-channel	Dual-channel
ECC	No	No
Graphics3 differ
On-board graphics card	Yes	Yes
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 4000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1300 MHz
Number of displays supported (on-board graphics)Differs	2	3
Features2 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Integrated 4G WiMAXDiffers	No	Yes
Maximum number of PCI Express lanes	16	16
PCI Express slots versionDiffers	2.0	3.0
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
Embedded options available	No	No
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
ScalabilityKnown for one	Unknown — not stated by the source	1S
Processor special features6 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Intel Demand Based Switching	No	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel® vPro™ Platform EligibilityDiffers	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TjunctionDiffers	100 °C	105 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x

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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