Atom Z3770 vs i7-840QM

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Aggregate performance score

Core i7-840QM
2010
4 cores / 8 threads, 45 Watt
1.23
+167%
Atom Z3770
2013
4 cores / 4 threads, 8 Watt
0.46

Core i7-840QM outperforms Atom Z3770 by a whopping 167% based on our aggregate benchmark results.

Primary details

Comparing Core i7-840QM and Atom Z3770 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23252934
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7no data
Power efficiency2.595.44
Architecture codenameClarksfield (2009−2010)Bay Trail-T (2013−2014)
Release date20 June 2010 (14 years ago)27 September 2013 (11 years ago)
Launch price (MSRP)$568$37

Detailed specifications

Core i7-840QM and Atom Z3770 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)4 (Quad-Core)
Threads84
Base clock speed1.86 GHz1.46 GHz
Boost clock speed3.2 GHz2.39 GHz
Bus typeDMI 1.0no data
Bus rate2.5 GT/sno data
Multiplier14no data
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)512K (per core)
L3 cache8 MB (shared)0 KB
Chip lithography45 nm22 nm
Die size296 mm2no data
Maximum core temperature100 °C90 °C
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-840QM and Atom Z3770 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
SocketFCPGA988,PGA988UTFCBGA1380
Power consumption (TDP)45 Watt8 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and Atom Z3770. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI-+
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
PAE36 Bitno data

Security technologies

Core i7-840QM and Atom Z3770 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Keyno data+
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-840QM and Atom Z3770 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and Atom Z3770. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size8 GB4 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s17.1 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneIntel HD Graphics for Intel Atom Processor Z3700 Series
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data667 MHz

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and Atom Z3770.

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.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-840QM 1.23
+167%
Atom Z3770 0.46

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.

i7-840QM 1952
+165%
Atom Z3770 736

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.

i7-840QM 3439
+189%
Atom Z3770 1189

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.

i7-840QM 9266
+134%
Atom Z3770 3961

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.

i7-840QM 3532
+59.7%
Atom Z3770 2212

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.

i7-840QM 40
Atom Z3770 26.55
+50.7%

Gaming performance

Pros & cons summary


Performance score 1.23 0.46
Recency 20 June 2010 27 September 2013
Threads 8 4
Chip lithography 45 nm 22 nm
Power consumption (TDP) 45 Watt 8 Watt

i7-840QM has a 167.4% higher aggregate performance score, and 100% more threads.

Atom Z3770, on the other hand, has an age advantage of 3 years, a 104.5% more advanced lithography process, and 462.5% lower power consumption.

The Core i7-840QM is our recommended choice as it beats the Atom Z3770 in performance tests.


Should you still have questions on choice between Core i7-840QM and Atom Z3770, ask them in Comments section, and we shall answer.

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Intel Core i7-840QM
Core i7-840QM
Intel Atom Z3770
Atom Z3770

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Community ratings

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


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Questions & comments

Here you can ask a question about Core i7-840QM or Atom Z3770, agree or disagree with our judgements, or report an error or mismatch.