Atom Z540 vs i7-740QM

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Primary details

Comparing Core i7-740QM and Atom Z540 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2362not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Atom
Power efficiency2.43no data
Architecture codenameClarksfield (2009−2010)Silverthorne (2008−2010)
Release date22 June 2010 (14 years ago)2 April 2008 (16 years ago)
Launch price (MSRP)$546$160

Detailed specifications

Core i7-740QM and Atom Z540 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 cores4 (Quad-Core)1 (Single-Core)
Threads82
Base clock speed1.73 GHz1.86 GHz
Boost clock speed2.93 GHz0.07 GHz
Bus typeDMI 1.0FSB
Bus rate2.5 GT/s533.33 MT/s
Multiplier1314
L1 cache256 KB56 KB
L2 cache1 MB512 KB
L3 cache6 MB (shared)0 KB
Chip lithography45 nm45 nm
Die size296 mm224.18 mm2
Maximum core temperature100 °C90 °C
Number of transistors774 million47 Million
64 bit support+-
Windows 11 compatibility--
VID voltage rangeno data0.75 -1.1V

Compatibility

Information on Core i7-740QM and Atom Z540 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCPGA988,PGA988PBGA441
Power consumption (TDP)45 Watt2.4 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-740QM and Atom Z540. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE2, Intel® SSE3, Intel® SSSE3
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology+-
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Demand Based Switchingno data+
PAE36 Bitno data
FSB parityno data-

Security technologies

Core i7-740QM and Atom Z540 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-740QM and Atom Z540 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-740QM and Atom Z540. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333no data
Maximum memory size8 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNone-

Peripherals

Specifications and connection of peripherals supported by Core i7-740QM and Atom Z540.

PCIe version2no data
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.



Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-740QM 1829
+426%
Atom Z540 348

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-740QM 3082
+443%
Atom Z540 568

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-740QM 8930
+1048%
Atom Z540 778

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-740QM 3318
+799%
Atom Z540 369

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-740QM 15.8
+567%
Atom Z540 105.4

Pros & cons summary


Recency 22 June 2010 2 April 2008
Physical cores 4 1
Threads 8 2
Power consumption (TDP) 45 Watt 2 Watt

i7-740QM has an age advantage of 2 years, and 300% more physical cores and 300% more threads.

Atom Z540, on the other hand, has 2150% lower power consumption.

We couldn't decide between Core i7-740QM and Atom Z540. We've got no test results to judge.


Should you still have questions on choice between Core i7-740QM and Atom Z540, ask them in Comments section, and we shall answer.

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Intel Core i7-740QM
Core i7-740QM
Intel Atom Z540
Atom Z540

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.2 155 votes

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Questions & comments

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