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iPhone 11 vs iPhone 12

Last updated

Quick Answer: Buy the iPhone 12. The iPhone 11 is 150.9 × 75.7 × 8.3 mm and the iPhone 12 is 146.7 × 71.5 × 7.4 mm, so cases do not fit. The iPhone 11 uses an LCD display; the iPhone 12 uses an OLED display. The iPhone 11 uses the A13 Bionic chip; the iPhone 12 uses the A14 Bionic chip.

Specs from Apple.com

Category Scorecard

Display
iPhone 12
OLED vs LCD — major leap
Performance
iPhone 12
A14 Bionic vs A13
Camera
iPhone 12
Both dual-lens; 12 slightly better
Battery
iPhone 11
11 lasts longer (5G drains 12)
Design & Build
iPhone 12
Flat-edge redesign, 30g lighter
Value
iPhone 11
11 sold cheaper; 12 now discounted too

Size Comparison

iPhone 11 150.9 × 75.7 mm iPhone 12 146.7 × 71.5 mm

Scaled at 1.2px per mm. iPhone 12 is 4.2mm shorter and 4.2mm narrower. Completely different form factor — no shared cases.

Full Specifications

iPhone 11 versus iPhone 12 specifications
SpecificationiPhone 11iPhone 12
Launch year20192020
Display6.1-inch · LCD · 60Hz6.1-inch · OLED · 60Hz
Display typeLCDOLED
Resolution1792x8282532x1170
PPI326 ppi460 ppi
Refresh rate60Hz60Hz
Brightness625 nits typical625 nits typical; 1,200 nits peak HDR
HDR displayNoYes
True ToneYesYes
Always-on displayNoNo
Notch styleClassic notchClassic notch
ChipA13 Bionic; 6-core CPU, 4-core GPU, 8-core Neural EngineA14 Bionic; 6-core CPU, 4-core GPU, 16-core Neural Engine
Main camera12MP, f/1.8, OIS12MP, f/1.6, OIS
Ultrawide camera12MP12MP
Telephoto cameraNot publishedNot published
Front camera12MP12MP
Video max4K/60fps4K/60fps
Battery (video)Up to 17 hoursUp to 17 hours
Apple fast-charge adapter requirement18W-or-higher adapter for Apple's fast-charge claim; maximum device draw not published20W-or-higher adapter for Apple's fast-charge claim; maximum device draw not published
MagSafe chargingNoYes, 15W
ConnectorLightningLightning
5GNoYes
Wi-FiWiFi 6WiFi 6
Bluetooth5.05.0
Crash DetectionNoNo
Satellite SOSNoNo
Dynamic IslandNoNo
Camera ControlNoNo
Action ButtonNoNo
Night ModeYesYes
Apple IntelligenceNoNo
Apple lineup statusNo longer sold by Apple, checked 2026-09-14No longer sold by Apple, checked 2026-09-14
BiometricsFace IDFace ID
Frame / backaluminum / glassaluminum / glass
IP ratingIP68IP68
Dimensions150.9 × 75.7 × 8.3 mm146.7 × 71.5 × 7.4 mm
Weight194 g164 g
Storage options64 GB, 128 GB, 256 GB64 GB, 128 GB, 256 GB
Launch price$699$799

OLED, 5G, and the size break from iPhone 11 to iPhone 12

The iPhone 12 moves from LCD to OLED, drops about 30 g with the flat-edge aluminum body, and uses the A14 Bionic instead of the iPhone 11's A13. Both are rated for 17 hours of video playback, while 5G use can increase power draw. Choose the iPhone 12 when its OLED display, 5G, and lighter body justify the current price gap.

Display

The display is the main difference between these phones. The iPhone 11 uses LCD — it's a good LCD, but it has a backlight and cannot produce true blacks. The iPhone 12 uses OLED, which turns individual pixels completely off for black areas, producing deeper contrast, more saturated colors, and a screen that looks markedly better in dim rooms. The iPhone 12 also jumps from 326 ppi to 460 ppi, which makes text, photo detail, and icons noticeably sharper at normal reading distance.

Performance

The iPhone 12's A14 Bionic was Apple's first 5-nanometer chip, a meaningful jump from the 11's A13. The A14 is faster in CPU and GPU tasks and uses less power doing the same work, which is partly why the 12 handles 5G connectivity without the battery collapsing. For everyday use both phones remain smooth, but the 12 has newer hardware and handles machine learning tasks (like Real-Time text recognition) faster. The A13 in the 11 is still capable but is two generations further from Apple's current architecture.

Camera

Both phones have a 12MP main + 12MP ultrawide dual-camera setup. The iPhone 12's main aperture widens from f/1.8 to f/1.6, letting in more light for better low-light shots. Apple also improved Night Mode and Smart HDR on the 12. The front camera resolution is the same at 12MP. Neither has a telephoto. The practical difference is noticeable in mixed and low light — indoor event shots, dimly lit restaurant photos — but during the day the two cameras are close. The 12's video benefits from Dolby Vision HDR recording, which the 11 doesn't support.

Battery

Both phones are rated at 17 hours of video playback, so they're technically tied on paper. In practice, the 12 can drain faster in areas with strong 5G coverage because millimeter-wave 5G is power-hungry. If you're in a 5G-dense city and your 12 frequently connects to mmWave, you may notice more battery drain than an 11 on LTE. Sub-6GHz 5G (the more common variety) is much less of a drain issue. The 12 uses a 20W-or-higher adapter versus 18W-or-higher on the 11 for Apple's fast-charge claim; maximum device draw is not published.

Design & Build

The iPhone 12 changes the design from the 11's rounded edges to flat-sided aluminum, adds Ceramic Shield glass on the front, and drops 30g to 164g (down from 194g on the 11). It's also smaller in footprint: 4.2mm shorter and 4.2mm narrower despite having the same screen size — the OLED panel is more efficient. The 12 also introduced MagSafe, the magnetic wireless charging and accessory ecosystem that every iPhone since has used. There is zero case compatibility between these two phones.

Value

The 11 launched at $699, $100 less than the 12's $799. Today both are well off those prices in the used and refurbished market. The 12's OLED display and design advantages make it the better phone in almost every measurable way, and if prices are close, the 12 is worth the premium. However, the 11 can still be reasonable for basic use if its current compatibility, battery health, and price meet your needs.

Who Should Buy Which: iPhone 11's battery versus iPhone 12's OLED

Buy the iPhone 11 if…

  • You find one in good condition at a low enough used price and just need a functional Face ID phone
  • You live in an LTE-only area and 5G is not relevant to your daily use
  • You're buying a first phone for a young kid who won't care about OLED quality
  • Durability is your primary concern — the rounded edges handle drops slightly better

Buy the iPhone 12 if…

  • You watch a lot of video and want deeper blacks and higher contrast on your screen
  • You care about how sharp text and photos look — 460 ppi vs 326 ppi is a meaningful jump
  • You want a lighter phone — 30g less is noticeable after a day of holding it
  • You want to use MagSafe accessories like snap-on wallets or magnetic chargers

Case Compatibility

iPhone 11 and iPhone 12 cases are NOT compatible. The iPhone 12 changed to flat edges and a different form factor, with dimensions 4.2mm shorter, 4.2mm narrower, and 0.9mm thinner. No iPhone 11 case will fit an iPhone 12.

Shop iPhone 11 on Amazon → Shop iPhone 12 on Amazon →

Frequently Asked Questions

Do iPhone 11 cases fit iPhone 12?

No. The iPhone 12 has a completely different form factor — flat edges instead of rounded, and the dimensions are 4.2mm shorter and 4.2mm narrower. The camera arrangement also changed. Cases are entirely incompatible.

Is the iPhone 12 display noticeably better than iPhone 11?

Yes. The 12 uses OLED (true blacks, high contrast, vivid colors) while the 11 uses LCD (backlit, can't produce true black). The 12 is sharper at 460 ppi versus 326 ppi on the 11. If you put both phones side by side with the same photo, the difference is easy to see.

Is 5G on iPhone 12 worth upgrading from iPhone 11 for?

5G alone is not a compelling upgrade reason. For most people's actual usage — streaming, social media, maps — LTE is sufficient and the speed difference over real networks is marginal. The OLED display, lighter design, and MagSafe are better reasons to choose the 12. But if 5G coverage is dense in your area and you use mobile data heavily, having it is a nice extra.

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