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Intel Core i5-6400 vs Apple A15 Bionic (5-GPU)

Last updated: 2026-06-05

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 48 %

Intel Core i5-6400

Rank 1 - 100 %

Apple A15 Bionic (5-GPU)

Multi-core performance

Rank 2 - 55 %

Intel Core i5-6400

Rank 1 - 100 %

Apple A15 Bionic (5-GPU)

Geekbench 6 Single-Core
Single-core performance

4C / 4T · 3.30 GHz

1,134

6C / 6T · 3.23 GHz

2,370

Geekbench 6 Multi-Core
Multi-core performance

4C / 4T · 3.00 GHz

3,086

6C / 6T · 3.23 GHz

5,726

Geekbench 5, 64bit Single-Core
Single-core performance

4C / 4T · 3.30 GHz

841

6C / 6T · 3.23 GHz

1,745

Geekbench 5, 64bit Multi-Core
Multi-core performance

4C / 4T · 3.00 GHz

2,706

6C / 6T · 3.23 GHz

4,777

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel HD Graphics 530

365

Apple A15 (5 GPU Cores)

1,713

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

AnTuTu 10 Benchmark
25 entries

AnTuTu 9 Benchmark
90 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

V-Ray CPU-Render
251 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

AI performance (NPU)
218 entries

Specifications

At a glance

Wischen	Intel Core i5-6400	Apple A15 Bionic (5-GPU)
Family	Intel Core i5 (336)	Apple A series (27)
CPU group	Intel Core i 6000 (24)	Apple A15 (2)
Architecture	Skylake S	A15
Technology	14 nm	5 nm
Segment	Desktop	Smartphone / Tablet
Socket	LGA 1151
Predecessor		Apple A14 Bionic
Successor	Intel Core i5-7400	Apple A16 Bionic

CPU Cores and Base Frequency

Wischen	Intel Core i5-6400	Apple A15 Bionic (5-GPU)
CPU Cores / Threads	4 / 4	6 / 6
Hyperthreading / SMT	✗	✗
Core architecture	normal	hybrid (big.LITTLE)
Core Cluster 1:	4x 2.70 - 3.30 GHz	2x Avalanche 3.23 GHz
Core Cluster 2:		4x Blizzard 2.02 GHz
L2-Cache		16.00 MB
L3-Cache	6.00 MB	32.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i5-6400	Apple A15 Bionic (5-GPU)
GPU name	Intel HD Graphics 530	Apple A15 (5 GPU Cores)
GPU frequency	0.35 - 0.95 GHz	1.34 GHz
CUs / Shader	24 / 192	20 / 640
Raytracing	✗	✗
Max. displays	3	3
Max. GPU Memory	32 GB	6 GB
Technology	14 nm	5 nm
Release date	Q3/2015	Q3/2021

NPU AI performance

Wischen	Intel Core i5-6400	Apple A15 Bionic (5-GPU)
AI hardware		Apple Neural Engine
AI specifications		16 Neural cores @ 15.8 TOPS
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i5-6400	Apple A15 Bionic (5-GPU)
Memory	DDR4-2133 (34.1 GB/s) DDR3-1600 (25.6 GB/s)	LPDDR4X-4266 (34.1 GB/s)
Max. Memory	64 GB	6 GB
Memory channels	2	1
ECC	No	No
PCIe	3.0 x 16
PCIe Bandwidth	15.8 GB/s

Thermal Management

Wischen	Intel Core i5-6400	Apple A15 Bionic (5-GPU)
TDP	65 W	10 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen	Intel Core i5-6400	Apple A15 Bionic (5-GPU)
Chip design	Monolithic	Chiplet
AES-NI	✓	✗
Operating systems	Windows 10, Linux	iOS
Instruction set	x86-64 (64 bit)	Armv8-A (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2
Release date	Q3/2015	Q3/2021
Release price
Documents	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-6400 is 3.9 stars (31 ratings), while Apple A15 Bionic (5-GPU) has received 4.2 stars (195 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-6400
4C / 4T · 2.70 - 3.30 GHz

★★★★★

Apple A15 Bionic (5-GPU)
6C / 6T · 3.23 GHz

★★★★★