Atom Z620 vs Core i7-740QM

Primary details

Comparing Core i7-740QM and Atom Z620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2269	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Atom
Architecture codename	Clarksfield (2009−2010)	Lincroft (2010−2011)
Release date	20 June 2010 (14 years ago)	4 May 2010 (14 years ago)
Launch price (MSRP)	$546	no data
Current price	$595 (1.1x MSRP)	no data

Detailed specifications

Core i7-740QM and Atom Z620 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	1 (Single-Core)
Threads	8	1
Base clock speed	1.73 GHz	no data
Boost clock speed	2.93 GHz	0.9 GHz
Bus support	2500 MHz	400 MT/s
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	6 MB (shared)	0 KB
Chip lithography	45 nm	45 nm
Die size	296 mm2	65.2526 mm28.89 mm × 7.34 mm
Maximum core temperature	100 °C	no data
Number of transistors	774 million	140 million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i7-740QM and Atom Z620 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1 (Uniprocessor)
Socket	FCPGA988,PGA988	Intel BGA 518
Power consumption (TDP)	45 Watt	1.3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-740QM and Atom Z620. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	-	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
PAE	36 Bit	no data
Status	Discontinued	no data

Security technologies

Core i7-740QM and Atom Z620 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-740QM and Atom Z620 are enumerated here.

VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-740QM and Atom Z620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333	DDR1, DDR2
Maximum memory size	8 GB	2 GB
Max memory channels	2	1
Maximum memory bandwidth	21 GB/s	3.2 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

None

PowerVR SGX535

Peripherals

Specifications and connection of peripherals supported by Core i7-740QM and Atom Z620.

PCIe version	2	no data
PCI Express lanes	16	no data

Pros & cons summary

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Recency	20 June 2010	4 May 2010
Physical cores	4	1
Threads	8	1
Power consumption (TDP)	45 Watt	1 Watt

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Should you still have questions on choice between Core i7-740QM and Atom Z620, ask them in Comments section, and we shall answer.

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