i5-6400 vs Apple M3 Pro 11-Core

Aggregate performance score

Apple M3 Pro 11-Core
2023
11 cores / 11 threads, 27 Watt
15.59
+357%
Core i5-6400
2015
4 cores / 4 threads, 65 Watt
3.41

Apple M3 Pro 11-Core outperforms Core i5-6400 by a whopping 357% based on our aggregate benchmark results.

Primary details

Comparing Apple M3 Pro 11-Core and Core i5-6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4391552
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.74
Market segmentLaptopDesktop processor
SeriesApple M3Intel Core i5
Power efficiency54.644.96
Architecture codenameno dataSkylake (2015−2016)
Release date30 October 2023 (1 year ago)2 July 2015 (9 years ago)
Launch price (MSRP)no data$187

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Apple M3 Pro 11-Core and Core i5-6400 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 cores11 (Undeca-Core)4 (Quad-Core)
Threads114
Base clock speed2.748 GHz2.7 GHz
Boost clock speed4.06 GHz3.3 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data27
L1 cacheno data64K (per core)
L2 cacheno data256K (per core)
L3 cacheno data6 MB (shared)
Chip lithography3 nm14 nm
Die sizeno data177 mm2
Maximum case temperature (TCase)no data72 °C
Number of transistors37000 Millionno data
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Apple M3 Pro 11-Core and Core i5-6400 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 (Uniprocessor)
Socketno dataFCLGA1151
Power consumption (TDP)27 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Apple M3 Pro 11-Core and Core i5-6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Apple M3 Pro 11-Core and Core i5-6400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Apple M3 Pro 11-Core and Core i5-6400 are enumerated here.

AMD-V-+
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Apple M3 Pro 11-Core and Core i5-6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3, DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Apple M3 Pro 14-Core GPUIntel HD Graphics 530
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Apple M3 Pro 11-Core and Core i5-6400 integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Apple M3 Pro 11-Core and Core i5-6400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Apple M3 Pro 11-Core and Core i5-6400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Apple M3 Pro 11-Core and Core i5-6400.

PCIe versionno data3.0
PCI Express lanesno data16

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 11-Core 15.59
+357%
i5-6400 3.41

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 11-Core 24759
+357%
i5-6400 5417

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Apple M3 Pro 11-Core 1913
+275%
i5-6400 510

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Apple M3 Pro 11-Core 281
+110%
i5-6400 134

Gaming performance

Pros & cons summary


Performance score 15.59 3.41
Recency 30 October 2023 2 July 2015
Physical cores 11 4
Threads 11 4
Chip lithography 3 nm 14 nm
Power consumption (TDP) 27 Watt 65 Watt

Apple M3 Pro 11-Core has a 357.2% higher aggregate performance score, an age advantage of 8 years, 175% more physical cores and 175% more threads, a 366.7% more advanced lithography process, and 140.7% lower power consumption.

The Apple M3 Pro 11-Core is our recommended choice as it beats the Core i5-6400 in performance tests.

Be aware that Apple M3 Pro 11-Core is a notebook processor while Core i5-6400 is a desktop one.


Should you still have questions on choice between Apple M3 Pro 11-Core and Core i5-6400, 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 11-Core
M3 Pro 11-Core
Intel Core i5-6400
Core i5-6400

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.


3.6 94 votes

Rate Apple M3 Pro 11-Core on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 1232 votes

Rate Core i5-6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Apple M3 Pro 11-Core or Core i5-6400, agree or disagree with our judgements, or report an error or mismatch.