John Velasco’s side-by-side comparison for Tom’s Guide reports meaningful gains for the iPhone 18 Pro Max in battery endurance, charging, benchmark results, measured peak brightness and low-light photography. The iPhone 14 Pro Max remains capable for everyday browsing, social feeds and video, so the upgrade makes the strongest case if those specific improvements matter to you.
Camera improvements are clearest in low light and at longer zoom
In John Velasco’s camera comparisons, the iPhone 18 Pro Max produced sharper, cleaner low-light images, with better-exposed shadows and less noise. The iPhone 14 Pro Max still held up in many ordinary scenes, making low-light shooting a more convincing reason to switch than expecting every daytime photo to look dramatically different.
The telephoto cameras also differ: the iPhone 18 Pro Max has a 48MP telephoto lens with 4× optical zoom, while the iPhone 14 Pro Max has a 12MP telephoto lens with 3× optical zoom. At the 4× setting, Velasco found the full-frame difference less obvious; sharper separation appeared at 8× and especially 15×. He also reported improvements in the newer phone’s ultra-wide, macro and selfie results.
For the main camera, Apple announced a 48MP Fusion camera with variable aperture on the iPhone 18 Pro models. Tom’s Guide lists four aperture settings for the iPhone 18 Pro Max: ƒ/1.48, ƒ/1.8, ƒ/2.8 and ƒ/4. The iPhone 14 Pro Max’s listed main-camera aperture is ƒ/1.78. The newer model’s front camera is 18MP with Center Stage, compared with 12MP on the older phone. (Apple’s launch announcement)
Battery, charging, performance and display
The battery figures below are John Velasco’s reported results for the two phones. Apple’s separate rating for the U.S. iPhone 18 Pro Max measures video playback, not the battery-drain test in Tom’s Guide.
| Measurement | iPhone 18 Pro Max | iPhone 14 Pro Max |
| Battery-drain test | 18 hours 27 minutes | 13 hours 39 minutes |
| Charge after 15 minutes | 53% | 21% |
| Charge after 30 minutes | 80% | 42% |
| Geekbench single-core score | 4,741 | 1,887 |
| Geekbench multi-core score | 12,789 | 5,374 |
| 3DMark Wild Life Original Unlimited | 230.37 fps; score 38,474 | 74.1 fps; score 12,380 |
| Measured peak brightness | 2,326 nits | 1,565 nits |
The battery-drain results put the iPhone 18 Pro Max 4 hours 48 minutes ahead in this test. Apple rates U.S. eSIM-only iPhone 18 Pro Max models for up to 45 hours of video playback, a different measure from that comparison. Apple says the eSIM-only design makes room for a larger battery. Xataka Móvil reports capacities of 5,567mAh for an eSIM version and 5,391mAh for a physical-SIM version.
The charging readings also favor the newer phone at both time checks. Geekbench and 3DMark are synthetic benchmarks: they run defined workloads, so their scores are most useful for comparing performance under those tests. The scale of the gap makes the newer model more appealing for demanding games and video work, while the older model remains capable for routine phone use.
Tom’s Guide measured higher peak brightness on the iPhone 18 Pro Max. Its display is 6.9 inches, compared with 6.7 inches on the iPhone 14 Pro Max; both models are listed with 1–120Hz ProMotion.
iOS 27 does not mean the same AI features
Tom’s Guide says both phones run iOS 27, but the iPhone 14 Pro Max’s A16 Bionic chip and 6GB of memory do not support Apple Intelligence. The iPhone 18 Pro Max supports Apple Intelligence, while Siri AI began rolling out in beta in English on supported devices. Apple ties Apple Intelligence availability to supported devices and languages.
U.S. price and trade-in offers
Apple announced a U.S. launch price of $1,299 for the 256GB iPhone 18 Pro Max. Tom’s Guide lists the iPhone 14 Pro Max’s historical starting price as $1,099 for 128GB, so those base prices do not compare the same storage capacity.
Apple announced two separate U.S. trade-in routes. Apple Trade In offered $175–$885 for eligible iPhone 13-or-later devices, with the credit depending on the phone’s model, condition and configuration. Participating carriers advertised credits up to $1,200 for eligible iPhone 14-or-later trade-ins in any condition, subject to offer terms. At the carrier offer’s maximum, $1,299 minus $1,200 equals $99 before taxes and other costs; that arithmetic is not a guaranteed quote for a particular iPhone 14 Pro Max. (Apple’s U.S. launch pricing and trade-in terms)
Who has the strongest reason to upgrade?
The iPhone 18 Pro Max is the more compelling choice if you want the reported battery-test gains, shoot often in low light, use longer zoom, or need more headroom for demanding games and video work. The iPhone 14 Pro Max remains a reasonable keep for everyday browsing, social feeds and streaming; the case for switching is strongest when the camera, battery or performance gains solve a specific need.
