Apple has made big improvements in its chip
technology over the past few years. If you're curious about how iPhone performance
has changed from the iPhone 13 to the upcoming iPhone 17, this simple guide
will help you understand it.
Whether you're a tech lover, planning your next iPhone upgrade or repair, or just want to
know more about Apple’s chips, we’ll walk you through it. We'll look at how
Apple’s processors — from the A15 Bionic to the latest A18 Pro and the expected
A19 — have made iPhones faster, smarter, and more powerful than ever before. If
you're facing issues with older models, upgrading or visiting a trusted iPhone service center can
make a big difference.
The iPhone 13 series, launched in 2021, came with
the A15 Bionic chip, offering one of the best balances of speed and battery
life at the time.
Key Specs:
• Process: 5nm
• CPU: 6-core (2 performance + 4 efficiency)
• GPU: 4-core (standard) / 5-core (Pro models)
• Neural Engine: 16-core, 15.8 trillion ops/sec
What it brought:
Smooth multitasking, improved battery life, and solid gaming performance. If
your iPhone 13 isn't running smoothly anymore, consider a professional iPhone repair
to keep it at peak performance.
In 2022, Apple split the processor lineup. The
iPhone 14 and 14 Plus reused the A15 from the iPhone 13 Pro, while the iPhone
14 Pro models got the all-new A16 Bionic.
A16 Bionic Features:
• Process: 4nm
• Better efficiency and speed
• New Display Engine (Dynamic Island, Always-On Display)
• LPDDR5 RAM support
What improved:
Photos, video editing, and multitasking got quicker and smoother. If you notice
lag or issues, a quick chip-level diagnosis or software service
may help restore performance.
The 2023 iPhone 15 Pro launched with the
industry’s first 3nm chip — the A17 Pro — while the regular iPhone 15 used the
A16 Bionic.
A17 Pro Highlights:
• Process: 3nm (N3B)
• New 6-core GPU with hardware ray tracing
• USB 3.0 speeds
• Huge Neural Engine boost
Why it matters:
The iPhone 15 Pro became a gaming beast. If you're into mobile gaming or
multitasking, this device delivers. And if it starts overheating or slowing
down, a trusted iPhone service provider can help fix
it quickly.
The iPhone 16 and iPhone 16 Pro, launched in
2024, are all about AI and power. With the A18 and A18 Pro chips, Apple took a
big step toward on-device intelligence.
What’s New in A18 Pro:
• Process: Enhanced 3nm (N3E)
• Game Mode for smooth gaming
• Better thermal performance (vapor chamber cooling)
• Advanced Neural Engine for Apple Intelligence
• Offline Siri and smart notifications
Why users love it:
Tasks like image editing, call summaries, and app launching are now faster and
smarter. If your iPhone 16 needs battery replacement, screen repair, or
performance tuning, visit your local iService center for a fast fix.
Expected in late 2025, the iPhone 17 Pro is
rumored to feature the all-new A19 Pro chip. This chip could take Apple’s AI
and AR performance to a whole new level.
A19 (Rumored) Expectations:
• 2nm or advanced 3nm+ chip
• New AI/ML architecture
• Better power efficiency
• Stronger AR/VR and spatial computing
• Smarter OS and camera enhancements
What to expect:
The iPhone 17 could be the most intelligent iPhone yet. If you're using an
older model, now might be a good time to upgrade or get service before
the launch.
iPhone Model |
Processor |
Fabrication |
Core Strengths |
Focus Area |
iPhone 13 |
A15 Bionic |
5nm |
Efficient GPU, solid use |
Daily performance |
iPhone 14 Pro |
A16 Bionic |
4nm |
Better display & speed |
Multitasking |
iPhone 15 Pro |
A17 Pro |
3nm |
Ray tracing GPU, fast USB |
Gaming & speed |
iPhone 16 Pro |
A18 Pro |
3nm (N3E) |
AI features, smart tasks |
On-device intelligence |
iPhone 17 Pro (TBD) |
A19 Pro |
2nm (rumor) |
AI/AR innovations |
Future-ready AI features |
From the A15 in iPhone 13 to the AI-focused A18
Pro in iPhone 16, Apple’s chips have boosted performance, battery life, and
user experience. If your iPhone isn’t working like it used to, a quick diagnostic and repair service
can extend its life and save you money.
With the iPhone 17 on the horizon, users can
expect even more intelligent features — and if your current device needs
attention, don’t wait. Book your repair
online or visit the nearest iService India
location today.
1. What’s the biggest difference between A15
and A18 Pro?
The A18 Pro is built for AI tasks like offline Siri, faster photo editing, and
smart notifications — a big upgrade from the A15’s basic performance.
2. Is the iPhone 16 worth upgrading to from
iPhone 13?
Yes, especially for better AI features, smoother performance, and longer
battery life. If you prefer keeping your current phone, consider battery replacement or repair
instead.
3. Which iPhone is best for gaming?
iPhone 16 Pro and iPhone 15 Pro are top picks, thanks to their powerful GPUs
and features like Game Mode and ray tracing.
4. Will the iPhone 17 have a 2nm chip?
It’s expected, but not confirmed. Apple may go with a 2nm chip or a more
advanced version of the 3nm process.
5. Do all iPhones now support Apple
Intelligence?
Only iPhones with the A17 Pro chip or newer (like iPhone 15 Pro and iPhone 16
Pro) will fully support Apple Intelligence features.