Atom x7-Z8700 vs i7-3820

VS

Aggregate performance score

Core i7-3820
2012
4 cores / 8 threads, 130 Watt
3.77
+333%

Core i7-3820 outperforms Atom x7-Z8700 by a whopping 333% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3820 and Atom x7-Z8700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14862570
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.32no data
Market segmentDesktop processorLaptop
Seriesno data7x Intel Atom
Power efficiency2.64no data
Architecture codenameSandy Bridge-E (2011−2013)Cherry Trail (2015−2016)
Release dateFebruary 2012 (12 years ago)2 March 2015 (9 years ago)
Launch price (MSRP)$400no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-3820 and Atom x7-Z8700 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 speed3.6 GHz1.6 GHz
Boost clock speed3.8 GHz2.4 GHz
Bus rate5 GT/sno data
Multiplierno data16
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)2 MB
L3 cache10240 KB (shared)0 KB
Chip lithography32 nm14 nm
Die size294 mm2no data
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)67 °Cno data
Number of transistors1270 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-3820 and Atom x7-Z8700 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 configuration11 (Uniprocessor)
SocketFCLGA2011UTFCBGA1380
Power consumption (TDP)130 Wattno data

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and Atom x7-Z8700. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXno data
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Smart Response+no data
Demand Based Switching-no data

Security technologies

Core i7-3820 and Atom x7-Z8700 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Bootno data+
Identity Protection++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820 and Atom x7-Z8700 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 i7-3820 and Atom x7-Z8700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size64.23 GB8 GB
Max memory channels42
Maximum memory bandwidth51.2 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics
Max video memoryno data8 GB
Graphics max frequencyno data600 MHz
Execution Unitsno data16

Graphics interfaces

Available interfaces and connections of Core i7-3820 and Atom x7-Z8700 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i7-3820 and Atom x7-Z8700 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data3840x2160
Max resolution over eDPno data2560x1600

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and Atom x7-Z8700.

PCIe version2.02.0
PCI Express lanes402
USB revisionno data3.0
Number of USB portsno data3

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.

i7-3820 3.77
+333%
Atom x7-Z8700 0.87

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.

i7-3820 5769
+334%
Atom x7-Z8700 1330

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-3820 623
+248%
Atom x7-Z8700 179

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-3820 2294
+344%
Atom x7-Z8700 517

Gaming performance

Pros & cons summary


Performance score 3.77 0.87
Threads 8 4
Chip lithography 32 nm 14 nm

i7-3820 has a 333.3% higher aggregate performance score, and 100% more threads.

Atom x7-Z8700, on the other hand, has a 128.6% more advanced lithography process.

The Core i7-3820 is our recommended choice as it beats the Atom x7-Z8700 in performance tests.

Note that Core i7-3820 is a desktop processor while Atom x7-Z8700 is a notebook one.


Should you still have questions on choice between Core i7-3820 and Atom x7-Z8700, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-3820
Core i7-3820
Intel Atom x7-Z8700
Atom x7-Z8700

Similar processor comparisons

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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 i7-3820 or Atom x7-Z8700, agree or disagree with our judgements, or report an error or mismatch.