iPhone 13 vs iPhone 12: Is the Upgrade Worth It?

The iPhone 12 launched to widespread acclaim, ushering in a new design language and 5G connectivity. Now, the iPhone 13 builds upon that foundation with refinements to the camera, battery life, and processing power. This comparison dives deep into the specifics, helping you determine if the incremental improvements justify an upgrade, or if the iPhone 12 remains a compelling choice.
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🏆 Quick Verdict

For most users, the iPhone 13 is the better buy. The 89-hour endurance rating represents a noticeable improvement over the iPhone 12’s 84 hours, and the A15 Bionic offers a tangible performance boost. While the core experience remains similar, the iPhone 13 delivers a more refined and future-proofed package.

PHONES
Phone Names Apple iPhone 12 Apple iPhone 13
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66, 71 - A21721, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66 - A2633, A2634, A2635
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79, 260, 261 Sub6/mmWave - A21721, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77, 78, 79 Sub6/mmWave - A2633
SpeedHSPA, LTE, 5G, EV-DO Rev.A 3.1 MbpsHSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 -1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - A2634, A2635
Launch
Announced2020, October 132021, September 14
StatusAvailable. Released 2020, October 23Available. Released 2021, September 24
Body
BuildGlass front, glass back, aluminum frameGlass front, glass back, aluminum frame
Dimensions146.7 x 71.5 x 7.4 mm (5.78 x 2.81 x 0.29 in)146.7 x 71.5 x 7.7 mm (5.78 x 2.81 x 0.30 in)
SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM (China)· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Weight164 g (5.78 oz)174 g (6.14 oz)
 -IP68 dust/water resistant (up to 6m for 30 min) Apple Pay (Visa, MasterCard, AMEX certified)
Display
ProtectionCeramic Shield glassCeramic Shield glass
Resolution1170 x 2532 pixels, 19.5:9 ratio (~460 ppi density)1170 x 2532 pixels, 19.5:9 ratio (~460 ppi density)
Size6.1 inches, 90.2 cm2 (~86.0% screen-to-body ratio)6.1 inches, 90.2 cm2 (~86.0% screen-to-body ratio)
TypeSuper Retina XDR OLED, HDR10, Dolby Vision, 625 nits (HBM), 1200 nits (peak)Super Retina XDR OLED, HDR10, Dolby Vision, 800 nits (HBM), 1200 nits (peak)
Platform
CPUHexa-core (2x3.1 GHz Firestorm + 4x1.8 GHz Icestorm)Hexa-core (2x3.23 GHz Avalanche + 4x1.82 GHz Blizzard)
ChipsetApple A14 Bionic (5 nm)Apple A15 Bionic (5 nm)
GPUApple GPU (4-core graphics)Apple GPU (4-core graphics)
OSiOS 14.1, upgradable to iOS 26.1iOS 15, upgradable to iOS 26.1
Memory
Card slotNoNo
Internal64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM128GB 4GB RAM, 256GB 4GB RAM, 512GB 4GB RAM
 -NVMe
Main Camera
Dual12 MP, f/1.6, 26mm (wide), 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.4, 13mm, 120˚ (ultrawide), 1/3.6"12 MP, f/1.6, 26mm (wide), 1/1.9", 1.7µm, dual pixel PDAF, sensor-shift OIS 12 MP, f/2.4, 120˚, 13mm (ultrawide), 1/3.4", 1.0µm
FeaturesDual-LED dual-tone flash, HDR (photo/panorama)Dual-LED dual-tone flash, HDR (photo/panorama)
Single-12 MP, f/2.2, 23mm (wide), 1/3.6" SL 3D, (depth/biometrics sensor)
Video4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 30fps), stereo sound rec.4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), stereo sound rec.
Selfie camera
FeaturesHDRHDR
Single12 MP, f/2.2, 23mm (wide), 1/3.6", 1.0µm SL 3D, (depth/biometrics sensor)12 MP, f/2.2, 23mm (wide), 1/3.6", 1.0µm SL 3D, (depth/biometrics sensor)
Video4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, QZSSGPS, GLONASS, GALILEO, BDS, QZSS
RadioNoNo
USBLightning, USB 2.0Lightning, USB 2.0
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspotWi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspot
Features
SensorsFace ID, accelerometer, gyro, proximity, compass, barometerFace ID, accelerometer, gyro, proximity, compass, barometer
 -Ultra Wideband (UWB) support
Battery
ChargingWired, PD2.0, 50% in 30 min 15W wireless (MagSafe) 15W wireless (Qi2) - requires iOS 17.4 updateWired, PD2.0, 50% in 30 min 15W wireless (MagSafe) 15W wireless (Qi2) - requires iOS 17.2 update
TypeLi-Ion 2815 mAh (10.78 Wh)Li-Ion 3240 mAh (12.41 Wh)
Misc
ColorsBlack, White, Red, Green, Blue, PurpleStarlight, Midnight, Blue, Pink, Red, Green
ModelsA2403, A2172, A2402, A2404, iPhone13,2A2633, A2482, A2631, A2634, A2635, iphone14,5
Price$ 190.00 / C$ 307.99 / £ 190.00 / € 219.00 / ₹ 54,900€ 304.00 / $ 249.97 / £ 248.00
SAR-1.18 W/kg (head)     1.19 W/kg (body)
SAR EU0.99 W/kg (head)     0.99 W/kg (body)0.99 W/kg (head)     0.98 W/kg (body)
Tests
Battery lifeEndurance rating 84h Endurance rating 89h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker -24.4 LUFS (Very good) -25.5 LUFS (Very good)
Performance AnTuTu: 568674 (v8) GeekBench: 4067 (v5.1) GFXBench: 58fps (ES 3.1 onscreen) AnTuTu: 775519 (v9) GeekBench: 4645 (v5.1) GFXBench: 59fps (ES 3.1 onscreen)

Apple iPhone 12

  • Generally lower price point
  • Still a very capable performer
  • Excellent OLED display quality

  • Shorter battery life (84h endurance)
  • Slightly slower processor (A14 Bionic)

Apple iPhone 13

  • Longer battery life (89h endurance)
  • Faster processor (A15 Bionic)
  • Brighter display (802 nits)

  • Higher initial cost
  • Incremental upgrade over iPhone 12

Display Comparison

Both the iPhone 12 and iPhone 13 boast an 'Infinite' (nominal) contrast ratio, indicative of excellent OLED panel quality. However, the iPhone 13 distinguishes itself with a measured peak brightness of 802 nits, a significant improvement over the iPhone 12’s unspecified peak brightness. This translates to better visibility in direct sunlight. While both utilize similar OLED technology, the increased brightness of the iPhone 13 provides a more comfortable viewing experience in challenging lighting conditions.

Camera Comparison

Both devices offer capable photo and video recording, but specific details regarding sensor size and lens apertures are absent from the provided data. The A15 Bionic’s image signal processor (ISP) in the iPhone 13 likely delivers improved image processing, resulting in better dynamic range and noise reduction. Without detailed sensor specifications, it’s difficult to quantify the camera improvements, but the A15’s processing power suggests a noticeable advantage for the iPhone 13 in challenging lighting conditions.

Performance

The iPhone 13’s A15 Bionic chipset, built on a 5nm process, represents a modest but measurable performance uplift over the iPhone 12’s A14 Bionic. The A15 features a hexa-core CPU with 2x3.23 GHz Avalanche cores and 4x1.82 GHz Blizzard cores, compared to the A14’s 2x3.1 GHz Firestorm and 4x1.8 GHz Icestorm configuration. This results in slightly faster processing speeds, particularly in CPU-intensive tasks. While both phones handle everyday tasks with ease, the A15 provides headroom for more demanding applications and future software updates.

Battery Life

The iPhone 13’s endurance rating of 89 hours is a clear improvement over the iPhone 12’s 84 hours. Both support wired charging via PD2.0, achieving a 50% charge in 30 minutes. Wireless charging is supported via 15W MagSafe and Qi2 (requiring iOS 17.2 on the iPhone 13 and iOS 17.4 on the iPhone 12). The increased endurance of the iPhone 13 translates to a longer-lasting battery throughout a typical day, reducing the need for frequent charging.

Buying Guide

Buy the Apple iPhone 12 if you prioritize value and are satisfied with a solid, capable smartphone experience. It remains a powerful device, especially at current discounted prices. Buy the Apple iPhone 13 if you demand the longest possible battery life, slightly faster performance for demanding tasks like video editing, and a brighter display for outdoor visibility. The iPhone 13 is the choice for those who want the latest and greatest within the Apple ecosystem.

Frequently Asked Questions

❓ Does the iPhone 13’s A15 Bionic offer a noticeable performance difference in gaming compared to the iPhone 12’s A14 Bionic?
While both chips are incredibly powerful, the A15 Bionic in the iPhone 13 provides a slight performance edge, particularly in graphically demanding games. This translates to smoother frame rates and potentially higher graphics settings, though the difference may not be immediately apparent in all titles. The A15’s improved GPU architecture contributes to this enhanced gaming experience.
❓ How much of a real-world difference will I see in battery life between the iPhone 12 and iPhone 13 with typical daily use?
The iPhone 13’s 89-hour endurance rating suggests you can expect roughly 5-6 hours of additional usage compared to the iPhone 12’s 84 hours. This translates to less frequent charging, especially for users who engage in activities like streaming video, playing games, or using GPS navigation. The improved efficiency of the A15 Bionic also contributes to the longer battery life.
❓ Is the upgrade to Qi2 wireless charging on the iPhone 13 worth considering, and what iOS version is required?
The iPhone 13 supports Qi2 wireless charging, offering potential benefits in terms of efficiency and compatibility with future Qi2 chargers. However, it requires iOS 17.2 to function. The iPhone 12 also supports Qi2, but requires iOS 17.4. If you already have a MagSafe charger, the benefit is minimal, but if you're looking to upgrade your wireless charging setup, Qi2 compatibility is a future-proofing consideration.