Apple iPhone 15 Pro Max vs iPhone 12

Here we compared two flagship smartphones: the 6.7-inch Apple iPhone 15 Pro Max (with Apple A17 Pro) that was released on September 12, 2023, against the Apple iPhone 12, which is powered by Apple A14 Bionic and came out 2 years and 11 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Apple iPhone 15 Pro Max
  • The rear camera has a 5x optical zoom
  • Delivers 176% higher peak brightness (1772 against 643 nits)
  • Higher display refresh rate – 120 Hz
  • Comes with 1626 mAh larger battery capacity: 4441 vs 2815 mAh
  • Has a 0.6 inch larger screen size
  • Shows 49% longer battery life (31:37 vs 21:15 hours)
  • Better camera quality (According to DxOMark rating)
  • Has 2x more RAM: 8GB versus 4GB
  • Modern USB Type-C port
  • Newer Bluetooth version (v5.3)
  • Uses a faster type of memory: LPDDR5 3200 MHz
  • The phone is 2 years and 11 months newer
Reasons to consider the Apple iPhone 12
  • Weighs 57 grams less
  • Better grip in hands – the body is 5.2 mm narrower

Review

Evaluation of Apple iPhone 15 Pro Max and iPhone 12 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
DeviceFacts Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate DeviceFacts Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 99% Yes
Yes, this is a clear and meaningful upgrade.
Updating from Apple iPhone 12 to Apple iPhone 15 Pro Max is a clear step forward, and the improvements should be easy to notice.
Main improvements: battery life, display, and camera.

Tests and specifications

Comparison table of technical specifications and tests

Display

Type OLED OLED
Size 6.7 inches 6.1 inches
Resolution 1290 x 2796 pixels 1170 x 2532 pixels
Aspect ratio 19.5:9 19.5:9
PPI 460 ppi 460 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max rated brightness 2000 nits 625 nits
Max rated brightness in HDR 1600 nits -
HDR support Yes, Dolby Vision Yes, Dolby Vision
Screen-to-body ratio 89.8% 87.1%
Display features - DCI-P3
- Always-On Display
- DCI-P3
Display tests
RGB color space 99.8% 99.4%
PWM 240 Hz 226 Hz
Response time 1 ms 16 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
iPhone 15 Pro Max
6.7″ (19.5:9 ratio) = 17.1 in2
iPhone 12
6.1″ (19.5:9 ratio) = 14.2 in2
~20% more screen space
Peak brightness test (auto)
1772 nits
643 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 159.9 mm (6.3 inches) 146.7 mm (5.78 inches)
Width 76.7 mm (3.02 inches) 71.5 mm (2.81 inches)
Thickness 8.25 mm (0.32 inches) 7.4 mm (0.29 inches)
Weight 221 g (7.8 oz) 164 g (5.78 oz)
Waterproof IP68 IP68
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black, Silver, Blue White, Black, Blue, Green, Red
Fingerprint scanner No No
Screen-to-body ratio
89.8%
87.1%

Performance

Chipset specifications of Apple iPhone 15 Pro Max and Apple iPhone 12
SoC
Chipset Apple A17 Pro Apple A14 Bionic
Max clock 3780 MHz 3100 MHz
CPU cores 6 (2 + 4) 6 (2 + 4)
Architecture - 4 cores at 2.11 GHz: Sawtooth
- 2 cores at 3.78 GHz: Everest
- 4 cores at 1.8 GHz: Icestorm
- 2 cores at 3.1 GHz: Firestorm
Manufacturing TSMC TSMC
Lithography process 3 nanometers 5 nanometers
Neural processor (NPU) Apple Neural Engine Apple Neural Engine
GPU
Graphics 6 core Apple GPU Apple GPU
GPU shading units 768 256
GPU clock 1398 MHz 1278 MHz
FLOPS ~2147.2 GFLOPS ~654.3 GFLOPS

Benchmarks

Benchmark comparison of Apple iPhone 15 Pro Max and Apple iPhone 12
Geekbench 6 (Single-Core)
2974
1997
Geekbench 6 (Multi-Core)
7533
4665
Compute Score (GPU)
28374
17099
Compute Score (GPU) 28374 17099
Single-core score 2974 1997
Multi-core score 7533 4665
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
1467470
1341575
CPU 374357 402035
GPU 463612 336490
Memory 184670 153915
UX 444831 449135
Total score 1467470 1341575
Samples [7 tests] [10 tests]
3DMark Steel Nomad Light
Stability 71% -
Graphics test 10 FPS -
Graphics score 1391 -
3DMark Solar Bay
6089
2651
Stability 73% 76%
Graphics test 23 FPS 10 FPS
Section 1 29 FPS 13 FPS
Section 2 23 FPS 10 FPS
Section 3 16 FPS 7 FPS
Graphics score 6089 2651
3DMark Wild Life Extreme
3655
2155
Stability 63% 74%
Graphics test 21 FPS 12 FPS
Graphics score 3655 2155
Sources: 3DMark [5], [6]

Recent User Tests

The latest benchmark tests that have been submitted by users
Apple iPhone 15 Pro Max
DateBenchmarkResult
📘 2026-10-01 (Zabza)AnTuTu 111996792
📘 2026-09-28 (Kuan.28)AnTuTu 111752198
📘 2026-09-23 (podsolnuh)AnTuTu 111357765
📘 2026-09-11 (Zabza)AnTuTu 111599694
📘 2026-09-10 (elio)AnTuTu 111445771
Apple iPhone 12
DateBenchmarkResult
📘 2026-10-12 (Z0tacxyz)AnTuTu 111294739
📘 2026-10-04 (Timur)AnTuTu 111199214
📘 2026-06-26 (Hellomt)AnTuTu 111334721
📘 2026-03-25 (🇷🇺010)AnTuTu 111384982
📘 2026-03-23 (Roma)AnTuTu 111326030

Memory

RAM
RAM size 8 GB 4 GB
Memory type LPDDR5 LPDDR4X
Memory clock 3200 MHz -
Channels 4 2
Storage
Storage size 256 GB 64 GB
Storage type NVMe NVMe
Memory card No No

Software

Operating system iOS 17 (Can be upgraded to iOS 27) iOS 14.1 (Can be upgraded to iOS 27)
OS size 17.6 GB 7 GB
OS updates 7 years -
Security updates 7 years -

Battery

Capacity 4441 mAh 2815 mAh
Max charge power 23 W 18 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (7.5 W) Yes (7.5 W)
Reverse charging Yes No
Bypass charging No No
Fast charging Yes (46% in 30 min) Yes (58% in 30 min)
Full charging time 1:49 hr 1:30 hr
Battery life tests
Web browsing 12:36 hr 08:00 hr
Watching video 22:07 hr 12:09 hr
Gaming 06:58 hr 04:35 hr
Standby 139 hr 112 hr
General battery life
31:37 hr
21:15 hr

Main camera

Matrix 48 megapixels 12 megapixels
Image resolution 8064 x 6048 4032 x 3024
Zoom Optical, 5x Digital
Flash Dual LED Quad LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 240 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 48 MP
2) Telephoto: 12 MP
3) Ultrawide: 12 MP
4) Depth
1) Standard: 12 MP
2) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Standard lens
Image resolution 48 MP 12 MP
Aperture f/1.8 f/1.6
Focal length 24 mm 26 mm
Sensor Sony IMX803 Sony IMX372
Sensor size 1/1.28" (≈ 0.78 inch) 1/3.4" (≈ 0.29 inch)
Pixel size 1.22 micron 1.4 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 12 MP -
Aperture f/1.78 - 2.8 -
Focal length 120 mm -
Sensor Sony IMX913 -
Sensor size 1/3.06" (≈ 0.33 inch) -
Pixel size 1.12 micron -
Stabilization Optical -
Ultra-wide lens
Image resolution 12 MP 12 MP
Aperture f/2.2 f/2.4
Focal length 13 mm 13 mm
Sensor Sony IMX633 -
Sensor size 1/2.55" (≈ 0.39 inch) 1/3.6" (≈ 0.28 inch)
Pixel size 1.4 micron -
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 80 55
Preview 86 74
Zoom 142 60
Samples Photo samples of Apple iPhone 15 Pro Max from DxOMark Photo samples of Apple iPhone 12 from DxOMark

Selfie camera

Megapixels 12 megapixels 12 megapixels
Image resolution 4032 x 3024 4032 x 3024
Aperture f/1.9 f/2.2
Focal length 23 mm 23 mm
Sensor Sony IMX714 Sony IMX514
Sensor size 1/3.6" (≈ 0.28 inch) 1/3.6" (≈ 0.28 inch)
Pixel size 1.12 micron -
Autofocus Phase autofocus No
Stabilization Optical Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) Yes Yes
DxOMark front camera
Photo 145 127
Video 156 140

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE LE, A2DP
USB type USB Type-C No
USB version 3.2 -
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
DisplayPort Yes -
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Galileo, QZSS
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* - 1
Type of SIM card eSIM Nano
eSIM support* Yes Yes
Hybrid slot No No
LTE Cat* 20 18
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
92.3 dB
81.1 dB

Other

Category Flagship Flagship
Announced September 2023 October 2020
Release date September 2023 October 2020
Launch price (MSRP) $1199 $800
Successor - Apple iPhone 17 Pro Max - Apple iPhone 17
SAR (head) 0.98 W/kg 0.99 W/kg
SAR (body) 0.98 W/kg 0.99 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Face recognition sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Face recognition sensor
Bundled charger Not included -
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Apple iPhone 15 Pro Max is definitely a better buy.

Cast your vote

So, which phone would you choose?
74 (73.3%)
27 (26.7%)
Total votes: 101

User opinions

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