iPhone 15 vs iPhone 16 2026: Which to buy?
The iPhone 16 delivers 30% faster performance with the A18 chip, improved 12MP ultra-wide camera with autofocus, and enhanced battery life, while the iPhone 15 remains capable with the A17 Pro chip at a lower price point.
iPhone 15
Apple's 2023 flagship smartphone with A17 Pro chip and dual 48MP/12MP camera system.
Budget-conscious users, those upgrading from iPhone 13 or earlier, and anyone prioritizing proven reliability over cutting-edge AI features.
iPhone 16
Apple's 2024 flagship featuring the A18 chip, improved ultra-wide camera, and Apple Intelligence integration.
Users seeking the latest AI capabilities, professionals relying on computational photography, and anyone needing all-day battery life without midday charging.
Quick Answer
AI SummaryThe iPhone 16 delivers 30% faster performance with the A18 chip, improved 12MP ultra-wide camera with autofocus, and enhanced battery life, while the iPhone 15 remains capable with the A17 Pro chip at a lower price point.
Our Verdict
AI-assistedChoose iPhone 16 if you want the latest AI capabilities through Apple Intelligence, significantly better battery life (35% improvement), and a faster processor with a brighter display—worth the upgrade if you keep phones 3+ years. Choose iPhone 15 if budget is your priority and you don't need Apple Intelligence features, as the A17 Pro chip still handles all current tasks efficiently and the price difference can be substantial on secondary markets.
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Choose iPhone 15 if
Budget-conscious users, those upgrading from iPhone 13 or earlier, and anyone prioritizing proven reliability over cutting-edge AI features.
Choose iPhone 16 if
Best pickUsers seeking the latest AI capabilities, professionals relying on computational photography, and anyone needing all-day battery life without midday charging.
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Key Differences at a Glance
- Processor Performance:✓ iPhone 16 wins(A18 chip (30% faster CPU) vs A17 Pro chip)
- Ultra-Wide Camera:✓ iPhone 16 wins(12MP with autofocus, f/2.2 aperture vs 12MP, fixed focus)
- Battery Life:✓ iPhone 16 wins(Up to 27 hours video playback (35% improvement) vs Up to 20 hours video playback)
Key Facts & Figures
62 numeric metrics compared
| Metric | iPhone 15 | iPhone 16 | Ratio |
|---|---|---|---|
| Display Size(inches) | 6.1 | — | — |
| Weight(kg) | 171g | — | — |
| CPU Performance (Single-core)(Geekbench 6 points) | 2,900 points | — | — |
| GPU Performance(TFLOPS) | 30% faster | — | — |
| Optical Zoom(x magnification) | 2x optical zoom | Digital only | — |
| Display Peak Brightness (HDR)(nits) | 2,000 nits | — | — |
| Battery Life (Video Playback)(hours) | 26+ hours | — | — |
| Starting Price (64GB/128GB)(USD) | $799 | — | — |
| Main Camera Resolution(MP) | 48MP f/1.6 aperture | 48MP f/1.6 aperture | |
| Geekbench 6 Single-Core(points) | 2,500 | — | — |
| Peak Brightness(nits) | 2,000 nits | — | — |
| Weight(lbs) | 201g | 170g | |
| Starting Price (USD)(USD) | $799 | — | — |
| Screen Size(inches) | 6.1-inch | — | — |
| Peak Display Brightness(nits) | 2000 nits | 3000 nits | |
| RAM(GB) | 8 GB | 8 GB | |
| Main Camera Megapixels(MP) | 48 MP | — | — |
| Base Model Price (128GB)(USD) | $799 | — | — |
| Display Size(inches) | 6.1 inches Super Retina XDR | 6.1 inches Super Retina XDR | |
| CPU Performance Gain(percent) | 18% faster single-core | — | — |
| Rear Camera (Main)(megapixels) | 48MP with f/1.6, OIS, sensor-shift | — | — |
| Price(USD) | $799 | — | — |
| Video Playback Battery Life(hours) | 20 hours | 27 hours | |
| Camera Aperture(f-stop) | f/1.6 with OIS | — | — |
| Starting Price(USD) | $799 | $799 | |
| Battery Life (Typical Use)(hours) | 20 hours | 20 hours | |
| Display Peak Brightness(nits) | 1000 nits | 3000 | |
| Display Refresh Rate(Hz) | 60Hz standard (120Hz on Pro models) | 120Hz LTPO OLED | |
| Main Camera Sensor(Megapixels) | 48MP f/1.6 | 48MP with OIS | |
| Optical Zoom Range(x magnification) | 2x optical | — | — |
| Wired Charging Speed(watts) | 20W | 25W with MagSafe | |
| Battery Capacity(mAh) | 3582 mAh | 3,582 mAh | |
| OS Update Guarantee (Major Versions)(years) | 7+ years (iOS 18+) | — | — |
| Starting Price (Base Model)(USD) | $799 | — | — |
| GPU Performance (Graphics)(Geekbench 6 multi-core) | 7,400 points | — | — |
| Ultra-Wide Camera(megapixels) | 12MP, 120° field of view | 12 MP | |
| Base Storage Capacity(GB) | 128GB | — | — |
| Thickness(millimeters) | 7.8 mm | 7.8 mm | |
| Primary Camera(MP) | 48 MP | 48 MP | |
| Guaranteed Software Updates(years) | 6+ years | 6+ years | |
| Typical Resale Value After 2 Years(%) | 60-70% | 60-70% | |
| Processor Single-Core Performance(points (Geekbench 6)) | A18 - 3,460 points | A18 - 3,460 points | |
| Multi-Core Performance(Geekbench 6 points) | A18 - 8,437 points | A18 - 8,437 points | |
| Main Camera Sensor Size(inch) | 1/1.56-inch (48MP) | 1/1.56-inch (48MP) | |
| Magic Eraser Success Rate(%) | 67% (via Photonic Engine) | 67% (via Photonic Engine) | |
| Base Storage(GB) | 128GB | 128GB | |
| Refresh Rate(Hz) | 60Hz | 60Hz | |
| Main Camera(MP) | 48MP f/1.6 aperture | 48MP f/1.6 aperture | |
| Video Recording(max resolution) | 4K at 60fps | 4K at 60fps | |
| Base Price(USD) | $799 | $799 | |
| CPU Performance (Geekbench 6 Score)(points) | 3,200 | 3,200 | |
| Maximum Optical Zoom(x magnification) | 3x | 3x | |
| Battery Life (typical usage)(hours) | 20 hours | 20 hours | |
| Neural Engine Cores for AI(cores) | 16 cores with Apple Intelligence | 16 cores with Apple Intelligence | |
| Processor AnTuTu Score(points) | 1,239,000 | 1,239,000 | |
| Software Update Support(Years) | 7 years | 7 years | |
| Starting Price (USA)(USD) | $799 | $799 | |
| CPU Performance Increase(%) | 40% faster | 40% faster | |
| Base Model Price (2024/2025)(USD) | $799 | $799 | |
| Release Year | 2024 | 2024 | |
| Processor Performance Score(AnTuTu Points) | 3,389,627 | 3,389,627 | |
| Software Update Guarantee(Years) | 12 years (through 2036) | 12 years (through 2036) |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
- A17 Pro chipProcessor PerformanceA18 chip (30% faster CPU)(winner)
- 12MP, fixed focusUltra-Wide Camera12MP with autofocus, f/2.2 aperture(winner)
- Up to 20 hours video playbackBattery LifeUp to 27 hours video playback (35% improvement)(winner)
- Not supportedApple Intelligence SupportFull support with on-device AI features(winner)
- $799 (current)Price (Base Model)$799 (same launch price)
- Super Retina XDR, 2000 nits peakDisplay TechnologySuper Retina XDR, 3000 nits peak (50% brighter)(winner)
- Standard heat dissipationThermal DesignAdvanced thermal design with copper components(winner)
- Processor Performance
iPhone 15
A17 Pro chip
iPhone 16
A18 chip (30% faster CPU)(winner)
- Ultra-Wide Camera
iPhone 15
12MP, fixed focus
iPhone 16
12MP with autofocus, f/2.2 aperture(winner)
- Battery Life
iPhone 15
Up to 20 hours video playback
iPhone 16
Up to 27 hours video playback (35% improvement)(winner)
- Apple Intelligence Support
iPhone 15
Not supported
iPhone 16
Full support with on-device AI features(winner)
- Price (Base Model)
iPhone 15
$799 (current)
iPhone 16
$799 (same launch price)
- Display Technology
iPhone 15
Super Retina XDR, 2000 nits peak
iPhone 16
Super Retina XDR, 3000 nits peak (50% brighter)(winner)
- Thermal Design
iPhone 15
Standard heat dissipation
iPhone 16
Advanced thermal design with copper components(winner)
Full Comparison
| Attribute | iPhone 15 | iPhone 16 |
|---|---|---|
| Display Size(inches) | 6.1 | — |
| Refresh Rate(Hz) | 120Hz | — |
| Display Peak Brightness (HDR)(nits) | 2,000 nits | — |
| Display Type | Liquid Retina without always-on | OLED |
| Peak Brightness(nits) | 2,000 nits | — |
Show 7 more attributesScreen Size(inches) 6.1-inch — Peak Display Brightness(nits) 2000 nits 3000 nits Display Size(inches) 6.1 inches Super Retina XDR 6.1 inches Super Retina XDR Display Resolution(pixels) 460 ppi (OLED) 2556 x 1179 Display Peak Brightness(nits) 1000 nits 3000 Display Refresh Rate(Hz) 60Hz standard (120Hz on Pro models) 120Hz LTPO OLED Refresh Rate(Hz) 60Hz — | ||
| Processor | Apple A17 Pro | — |
| CPU Performance (Single-core)(Geekbench 6 points) | 2,900 points | — |
| Geekbench 6 Single-Core(points) | 2,500 | — |
| Processor | A17 Pro | A18 (30% faster CPU) |
| CPU Performance Gain(percent) | 18% faster single-core | — |
Show 10 more attributesProcessor Generation A17 Pro (2024) — GPU Performance (Graphics)(Geekbench 6 multi-core) 7,400 points — Processor Generation (2026) A18 (2024 generation) — Processor Single-Core Performance(points (Geekbench 6)) A18 - 3,460 points — Multi-Core Performance(Geekbench 6 points) A18 - 8,437 points — CPU Performance (Geekbench 6 Score)(points) 3,200 — Processor AnTuTu Score(points) 1,239,000 — Processor Model Apple A18 — CPU Performance Increase(%) 40% faster — Processor Performance Score(AnTuTu Points) 3,389,627 — | ||
| Base Storage(GB) | 128GB | — |
| Storage Options(GB) | 128GB, 256GB, 512GB | 128, 256, 512 GB |
| Base Storage Capacity(GB) | 128GB | — |
| Battery Capacity(mAh) | 3349 | — |
| Battery Life (Video Playback)(hours) | 26+ hours | — |
| Video Playback Battery Life(hours) | 20 hours | 27 hours(winner) |
| Battery Life (Typical Use)(hours) | 20 hours | 20 hours |
| Battery Capacity(mAh) | 3582 mAh | 3,582 mAh |
Show 1 more attributeBattery Life (typical usage)(hours) 20 hours — | ||
| Operating System | iOS 17 | — |
| OS Update Guarantee (Major Versions)(years) | 7+ years (iOS 18+) | — |
| AI/Machine Learning Features | Standard ML features only | Apple Intelligence with on-device processing |
| Operating System(version) | iOS 26.4 (March 2026) | — |
| Software Update Support(Years) | 7 years | — |
Show 1 more attributeiOS Version Support iOS 18+ — | ||
| Weight(kg) | 171g | — |
| IP Rating | IP68 | — |
| Water Resistance Rating(meters) | 6 meters (IP69) | 6 meters (IP69) |
| Water Resistance(meters) | IP69 (6 meters) | — |
| GPU Performance(TFLOPS) | 30% faster | — |
| RAM(GB) | 8 GB | 8 GB |
| Optical Zoom(x magnification) | 2x optical zoom | Digital only |
| Main Camera Resolution(MP) | 48MP f/1.6 aperture | 48MP f/1.6 aperture |
| Telephoto Lens(optical zoom) | No telephoto (digital zoom only) | None (2x digital max)(winner) |
| Main Camera Megapixels(MP) | 48 MP | — |
| Rear Camera (Main)(megapixels) | 48MP with f/1.6, OIS, sensor-shift | — |
Show 13 more attributesCamera Aperture(f-stop) f/1.6 with OIS — Main Camera Sensor(Megapixels) 48MP f/1.6 48MP with OIS Optical Zoom Range(x magnification) 2x optical — Ultra-Wide Camera(megapixels) 12MP, 120° field of view 12 MP Video Recording Maximum 4K at 120fps with ProRes — Ultra-Wide Camera Autofocus Fixed focus Autofocus enabled Primary Camera(MP) 48 MP — Computational Photography Standard — Camera Hardware Strategy Computational photography focus (Photonic Engine) — Main Camera Sensor Size(inch) 1/1.56-inch (48MP) — Main Camera(MP) 48MP f/1.6 aperture — Main Camera Aperture(f-stop) f/1.6 — Maximum Optical Zoom(x magnification) 3x — | ||
| Starting Price (64GB/128GB)(USD) | $799 | — |
| Starting Price (USD)(USD) | $799 | — |
| Base Model Price (128GB)(USD) | $799 | — |
| Base Model Price (2024/2025)(USD) | $799 | — |
| Weight(lbs) | 201g | 170g(winner) |
| Display Technology | OLED, 460 ppi, 120Hz ProMotion, 2000 nits peak | — |
| Base Storage(GB) | 128GB | — |
| Price(USD) | $799 | — |
| Starting Price(USD) | $799 | $799 |
| Starting Price (Base Model)(USD) | $799 | — |
| Base Price(USD) | $799 | — |
| Starting Price (USA)(USD) | $799 | — |
| Wired Charging Speed(watts) | 20W | 25W with MagSafe(winner) |
| Charging Port | USB-C (20W max wired) | — |
| Thickness(millimeters) | 7.8 mm | — |
| Guaranteed Software Updates(years) | 6+ years | — |
| AI Features Rollout Approach | Slow, heavily polished, selective rollout | — |
| Typical Resale Value After 2 Years(%) | 60-70% | — |
| Operating System Customization | Restricted (limited default app changes, closed file system) | — |
| Magic Eraser Success Rate(%) | 67% (via Photonic Engine) | — |
| Video Recording(max resolution) | 4K at 60fps | — |
| Max Video Recording(fps at resolution) | 4K 120fps | — |
| Frame Material | Aluminum | — |
| Titanium Frame Weight Reduction(percent) | Aluminum (standard) | — |
| Neural Engine Cores for AI(cores) | 16 cores with Apple Intelligence | — |
| Apple Intelligence Features | Full support (Genmoji, Visual Intelligence, Writing Tools) | — |
| Release Year | 2024 | — |
| Software Update Guarantee(Years) | 12 years (through 2036) | — |
| RAM Configuration(GB) | 8GB | — |
iPhone 15iPhone 16Show 7 more attributes
Show 10 more attributes
Show 1 more attribute
Show 1 more attribute
Show 13 more attributes
Pros & Cons
10 pros·5 cons across both
iPhone 15
Pros
- A17 Pro chip still delivers excellent 2026 performance (handles all apps, games smoothly)
- Dual 48MP main camera with f/1.6 aperture and advanced computational photography
- Dynamic Island with customizable Smart Stack
- USB-C with 20W charging and USB 3 data speeds
- IP69 water resistance rated for depths up to 6 meters
Cons
- Fixed-focus 12MP ultra-wide camera produces softer images at close distances
- Significantly lower peak brightness (2000 nits vs 3000 nits on iPhone 16)
- No Apple Intelligence features or on-device AI processing capabilities
iPhone 16
Pros
- A18 chip delivers 30% faster CPU performance and advanced AI co-processors
- Ultra-wide 12MP camera with autofocus enables sharp macro photography and close-range shots
- 35% longer battery life with up to 27 hours video playback on a single charge
- 50% brighter Super Retina XDR display reaching 3000 nits peak brightness
- Full Apple Intelligence support including on-device AI image generation and writing tools
Cons
- Premium pricing ($799 base) positions it above budget alternatives despite same launch price as iPhone 15
- Apple Intelligence features require iOS 18.1+ and ongoing updates to fully mature
Frequently Asked Questions
5 questions
The iPhone 16 is worth upgrading if you use your phone for 3+ years and prioritize battery life (35% improvement), camera quality (autofocus on ultra-wide), and Apple Intelligence features. If you upgrade yearly or use your phone lightly, the iPhone 15 remains excellent. The A17 Pro still handles all 2026 apps smoothly without noticeable lag.
Resources & Learn More
Curated sources to dive deeper
Where to Buy
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Wikipedia
SmartReview Ratings
Aggregated ratings from Reddit, G2, Capterra, Trustpilot & more
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