Product comparison · 2 cpus

HP Intel Core i7-3720QM vs HP Intel Core i7-3840QM

61specifications compared
5differ
56identical
1known for one product only

Key differences

Processor model
- Intel Core i7-3720QM:i7-3720QM
- Intel Core i7-3840QM:i7-3840QM
Processor base frequency
- Intel Core i7-3720QM:2.6 GHz
- Intel Core i7-3840QM:2.8 GHz
Processor boost frequency
- Intel Core i7-3720QM:3.6 GHz
- Intel Core i7-3840QM:3.8 GHz
Processor cache
- Intel Core i7-3720QM:6 MB
- Intel Core i7-3840QM:8 MB
On-board graphics card dynamic frequency (max)
- Intel Core i7-3720QM:1250 MHz
- Intel Core i7-3840QM:1300 MHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i7-3720QM, Intel Core i7-3840QM
62 specifications	A HP Intel Core i7-3720QM View product	B HP Intel Core i7-3840QM View product
Processor4 differ
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i7
Processor modelDiffers	i7-3720QM	i7-3840QM
Processor base frequencyDiffers	2.6 GHz	2.8 GHz
Processor cores	4	4
Processor socketKnown for one	Unknown — not stated by the source	PGA988
Processor lithography	22 nm	22 nm
Package type	Tray	Tray
Processor threads	8	8
System bus rate	5 GT/s	5 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.6 GHz	3.8 GHz
Processor cacheDiffers	6 MB	8 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	45 W	45 W
Stepping	E1	E1
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
Memoryidentical
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM, DDR3L-SDRAM	DDR3-SDRAM, DDR3L-SDRAM
Memory clock speeds supported by processor	1333,1600 MHz	1333,1600 MHz
Memory channels	Dual-channel	Dual-channel
ECC	No	No
Graphics1 differ
On-board graphics card	Yes	Yes
On-board graphics card model	Intel® HD Graphics 4000	Intel® HD Graphics 4000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1250 MHz	1300 MHz
Number of displays supported (on-board graphics)	3	3
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Integrated 4G WiMAX	Yes	Yes
Maximum number of PCI Express lanes	16	16
PCI Express slots version	3.0	3.0
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
Supported instruction sets	AVX	AVX
Embedded options available	No	No
Graphics & IMC lithography	22 nm	22 nm
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Trusted Execution Technology	Yes	Yes
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® 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® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
Intel Demand Based Switching	No	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)	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® vPro™ Platform Eligibility	Yes	Yes
Operational conditionsidentical
Tjunction	105 °C	105 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, 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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