Atom Z3740 vs Core 2 Duo P8400

Primary details

Comparing Core 2 Duo P8400 and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2838not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 Duono data
Power efficiency2.01no data
Architecture codenamePenryn (2008−2011)Bay Trail-T (2013−2014)
Release date15 July 2008 (16 years ago)27 September 2013 (11 years ago)
Launch price (MSRP)$209$32

Detailed specifications

Core 2 Duo P8400 and Atom Z3740 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 cores2 (Dual-core)4 (Quad-Core)
Threads24
Base clock speed2.26 GHz1.33 GHz
Boost clock speed2.26 GHz1.86 GHz
Bus rate1066 MHzno data
L1 cache128 KB64K (per core)
L2 cache3 MB512K (per core)
L3 cache3 MB L2 Cache0 KB
Chip lithography45 nm22 nm
Die size107 mm2no data
Maximum core temperature105 °C90 °C
Number of transistors410 Millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.15Vno data

Compatibility

Information on Core 2 Duo P8400 and Atom Z3740 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 configurationno data1
SocketBGA479,PBGA479,PGA478UTFCBGA1380
Power consumption (TDP)25 Watt2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8400 and Atom Z3740. You'll probably need this information if you require some particular technology.

AES-NI-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo P8400 and Atom Z3740 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 2 Duo P8400 and Atom Z3740 are enumerated here.

VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P8400 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3
Maximum memory sizeno data4 GB
Max memory channelsno data2
Maximum memory bandwidthno data17.1 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

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

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.

Core 2 Duo P8400 849
+36.7%
Atom Z3740 621

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.

Core 2 Duo P8400 2497
+159%
Atom Z3740 963

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.

Core 2 Duo P8400 4630
+37%
Atom Z3740 3380

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.

Core 2 Duo P8400 2036
+10.8%
Atom Z3740 1838

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.

Core 2 Duo P8400 34.2
Atom Z3740 29
+17.9%

Pros & cons summary


Recency 15 July 2008 27 September 2013
Physical cores 2 4
Threads 2 4
Chip lithography 45 nm 22 nm
Power consumption (TDP) 25 Watt 2 Watt

Atom Z3740 has an age advantage of 5 years, 100% more physical cores and 100% more threads, a 104.5% more advanced lithography process, and 1150% lower power consumption.

We couldn't decide between Core 2 Duo P8400 and Atom Z3740. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo P8400 and Atom Z3740, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo P8400
Core 2 Duo P8400
Intel Atom Z3740
Atom Z3740

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Community ratings

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


3.7 84 votes

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3.2 41 vote

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Questions & comments

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