i7-5820K vs Apple M3 Pro 12-Core

Aggregate performance score

Apple M3 Pro 12-Core
2023
12 cores / 12 threads, 27 Watt
16.20
+161%
Core i7-5820K
2014
6 cores / 12 threads, 140 Watt
6.20

Apple M3 Pro 12-Core outperforms Core i7-5820K by a whopping 161% based on our aggregate benchmark results.

Primary details

Comparing Apple M3 Pro 12-Core and Core i7-5820K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4071076
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data1.07
Market segmentLaptopDesktop processor
SeriesApple M3no data
Power efficiency56.784.19
Architecture codenameno dataHaswell-E (2014)
Release date30 October 2023 (1 year ago)1 September 2014 (10 years ago)
Launch price (MSRP)no data$410

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Apple M3 Pro 12-Core and Core i7-5820K 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 cores12 (Dodeca-Core)6 (Hexa-Core)
Threads1212
Base clock speed2.748 GHz3.3 GHz
Boost clock speed4.06 GHz3.6 GHz
Bus rateno data0 GT/s
L1 cacheno data64 KB (per core)
L2 cacheno data256 KB (per core)
L3 cacheno data15 MB (shared)
Chip lithography3 nm22 nm
Die sizeno data356 mm2
Maximum core temperatureno data67 °C
Number of transistors37000 Million2,600 million
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplier-+

Compatibility

Information on Apple M3 Pro 12-Core and Core i7-5820K 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
Socketno dataFCLGA2011
Power consumption (TDP)27 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Apple M3 Pro 12-Core and Core i7-5820K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Smart Responseno data+
Demand Based Switchingno data-

Security technologies

Apple M3 Pro 12-Core and Core i7-5820K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Identity Protection-+

Virtualization technologies

Virtual machine speed-up technologies supported by Apple M3 Pro 12-Core and Core i7-5820K are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Apple M3 Pro 12-Core and Core i7-5820K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data64 GB
Max memory channelsno data4
Maximum memory bandwidthno data68 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardApple M3 Pro 18-Core GPUno data

Peripherals

Specifications and connection of peripherals supported by Apple M3 Pro 12-Core and Core i7-5820K.

PCIe versionno data3.0
PCI Express lanesno data28

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.

Apple M3 Pro 12-Core 16.20
+161%
i7-5820K 6.20

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.

Apple M3 Pro 12-Core 25740
+161%
i7-5820K 9846

Gaming performance

Pros & cons summary


Performance score 16.20 6.20
Recency 30 October 2023 1 September 2014
Physical cores 12 6
Chip lithography 3 nm 22 nm
Power consumption (TDP) 27 Watt 140 Watt

Apple M3 Pro 12-Core has a 161.3% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores, a 633.3% more advanced lithography process, and 418.5% lower power consumption.

The Apple M3 Pro 12-Core is our recommended choice as it beats the Core i7-5820K in performance tests.

Be aware that Apple M3 Pro 12-Core is a notebook processor while Core i7-5820K is a desktop one.


Should you still have questions on choice between Apple M3 Pro 12-Core and Core i7-5820K, 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.


Apple M3 Pro 12-Core
M3 Pro 12-Core
Intel Core i7-5820K
Core i7-5820K

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.7 101 vote

Rate Apple M3 Pro 12-Core on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 387 votes

Rate Core i7-5820K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Apple M3 Pro 12-Core or Core i7-5820K, agree or disagree with our judgements, or report an error or mismatch.