The 5.5-inch Apple iPhone 8 Plus, powered by the Apple A11 Bionic, and the 48-month-old Apple iPhone 13 Pro Max, which is powered by the Apple A15 Bionic, were put side by side in this comparison. You can read reviews, detailed specifications, and the advantages and disadvantages of each device on this Techpotamus.
Key differences
A summary of the key benefits of each smartphone
Reasons to consider the Apple iPhone 8 Plus
- Scanner for fingerprints
- 38 grams reduced in weight
Reasons to consider the Apple iPhone 13 Pro Max
- Higher refresh rate on the display – 120 Hz
- 20% additional screen space due to thinner bezels
- comes with a 1661 mAh more powerful battery: 4352 vs 2691 mAh
- A 2x improvement in AnTuTu Benchmark performance (788K versus 398K)
- has a screen that is 1.2 inches bigger.
- 40% more battery life is shown (43:44 vs 27:25 hours)
- higher camera spec (According to DxOMark rating)
- provides a 70% increase in peak brightness (1050 against 618 nits)
- Compatible with Wi-Fi 6 wireless networks, the most recent
- There is a 3x optical zoom on the back camera.
- an impervious body (IP68 classification)
- CPU that uses less energy: Apple A15 Bionic
Review

Tests and specifications
Comparison table of technical specifications and tests
Display
Phone : | iPhone 8 Plus | iPhone 13 Pro Max |
Type | IPS LCD | OLED |
Size | 5.5 inches | 6.7 inches |
Resolution | 1080 x 1920 pixels | 1284 x 2778 pixels |
Aspect ratio | 16:9 | 19.5:9 |
PPI | 401 ppi | 458 ppi |
Refresh rate | 60 Hz | 120 Hz |
Max rated brightness | 625 nits | 1000 nits |
Max rated brightness in HDR | – | 1200 nits |
HDR support | No | Yes, Dolby Vision |
Screen protection | Tempered glass | Ceramic Shield |
Screen-to-body ratio | 67.4% | 87.4% |
Display features | – | – DCI-P3 |
Display Tests
RGB color space | 99.9% | 99.9% |
PWM | Not detected | 238 Hz |
Response time | 32 ms | 8.5 ms |
Contrast | 1471:1 | ∞ Infinity |
Peak brightness test (auto)

Design and build
Height | 158.4 mm (6.24 inches) | 160.8 mm (6.33 inches) |
Width | 78.1 mm (3.07 inches) | 78.1 mm (3.07 inches) |
Thickness | 7.5 mm (0.3 inches) | 7.65 mm (0.3 inches) |
Weight | 202 gramm (7.13 oz) | 240 gramm (8.47 oz) |
Waterproof | IP67 | IP68 |
Rear material | Glass | Glass |
Frame material | Metal | Metal |
Colors | Silver, Gold, Gray | Black, Silver, Gold, Blue, Green |
Fingerprint scanner | Yes, in home button | No |
Screen-to-body ratio

Performance
Apple iPhone 13 Pro Max and Apple iPhone 8 Plus benchmark tests
SoC
Chipset | Apple A11 Bionic | Apple A15 Bionic |
Max. clock | 2390 MHz | 3200 MHz |
CPU cores | 6 (2 + 4) | 6 (2 + 4) |
Architecture | – 4 cores at 1.42 GHz: Mistral – 2 cores at 2.39 GHz: Monsoon | – 4 cores at 2.02 GHz: Blizzard – 2 cores at 3.24 GHz: Avalanche |
Lithography process | 10 nanometers | 5 nanometers |
Graphics | Apple GPU | Apple GPU |
GPU clock | – | 1200 MHz |
FLOPS | ~325 GFLOPS | – |
Memory
RAM size | 3 GB | 6 GB |
Memory type | LPDDR4 | LPDDR4X |
Memory clock | – | 2133 MHz |
Channels | 2 | 2 |
Storage
Storage size | 64, 256 GB | 128, 256, 512, 1024 GB |
Storage type | NVMe | NVMe |
Memory card | No | No |
Benchmarks

CPU | 124988 | 213823 |
GPU | 147976 | 317561 |
Memory | 61076 | 126792 |
UX | 66430 | 136444 |
Total score | 398461 | 788689 |
3DMark Wild Life Performance

Stability | 71% | 82% |
Graphics test | 20 FPS | 56 FPS |
Graphics score | 3419 | 9490 |
Software
Operating system | iOS 11 (Can be upgraded to iOS 16) | iOS 15 (Can be upgraded to iOS 16) |
OS size | 6 GB | 13 GB |
Battery
Specifications
Capacity | 2691 mAh | 4352 mAh |
Charge power | 15 W | 27 W |
Battery type | Li-Ion | Li-Ion |
Replaceable | No | No |
Wireless charging | Yes, Qi (7.5 W) | Yes (7.5 W) |
Reverse charging | No | No |
Fast charging | Yes (50% in 30 min) | Yes (42% in 30 min) |
Full charging time | 1:25 hr | 1:46 hr |
Battery Life Tests
Web browsing | 08:56 hr | 14:55 hr |
Watching video | 11:09 hr | 20:14 hr |
Gaming | 04:25 hr | 07:42 hr |
Standby | 102 hr | 140 hr |
General battery life

Camera
smartphone specifications and camera tests
Main Camera
Matrix | 12 megapixels | 12 megapixels |
Image resolution | 4032 x 3024 | 4032 x 3024 |
Zoom | Optical, 2x | Optical, 3x |
Flash | Quad LED | Dual 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° |
Lenses | 2 (12 MP + 12 MP) | 4 (12 MP + 12 MP + 12 MP + 0 MP) |
Wide (main) lens | – 12 MP – Aperture: f/1.8 – Focal length: 28 mm – Pixel size: 1.22 micron – Phase autofocus – Optical stabilization | – 12 MP – Aperture: f/1.5 – Focal length: 26 mm – Pixel size: 1.9 micron – Sensor: 1/1.66″, Sony IMX703 (Exmor-RS CMOS) – Phase autofocus (Dual Pixel) – Optical stabilization |
Telephoto lens | – 12 MP – Aperture: f/2.8 – Focal length: 57 mm – Phase autofocus | – 12 MP – Aperture: f/2.8 – Focal length: 77 mm – Pixel size: 1 micron – Phase autofocus – Optical stabilization |
Ultra-wide lens | – | – 12 MP – Aperture: f/1.8 – Focal length: 13 mm – Pixel size: 1 micron – Phase autofocus |
Depth lens | – | – Pixel size: 1 micron |
Camera features | – Bokeh mode – Pro mode – RAW support | – Bokeh mode – Pro mode – RAW support |
Samples | Photo samples of Apple iPhone 8 Plus from DxOMark | Photo samples of Apple iPhone 13 Pro Max from DxOMark |
Selfie Camera
Megapixels | 7 megapixels | 12 megapixels |
Image resolution | 3088 x 2320 | 4032 x 3024 |
Aperture | f/2.2 | f/2.2 |
Focal length | 32 mm | 23 mm |
Pixel size | 1 microns | 1 microns |
Sensor type | BSI CMOS | Exmor-RS CMOS |
Sensor size | – | 1/3.6″ |
Video resolution | 1080p (Full HD) at 30 FPS | 2160p (4K) at 60 FPS |
DxOMark camera tests

Connectivity
Wi-Fi standard | Wi-Fi 5 (802.11 b/g/n/ac) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
Wi-Fi features | – Dual Band – Wi-Fi Direct – Wi-Fi Hotspot | – Dual Band – Wi-Fi MiMO – Wi-Fi Direct – Wi-Fi Hotspot – Wi-Fi Display |
Bluetooth version | 5 | 5 |
Bluetooth features | LE, A2DP | LE, A2DP |
USB type | No | – |
USB version | 2 | 2 |
USB features | – Charging – USB-Storage mode | – Charging – USB-Storage mode – OTG |
GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS |
NFC* | Yes | Yes |
Infrared port | No | No |
Network
Number of SIM* | 1 | 1 |
Type of SIM card | Nano | Nano |
Multi SIM mode | Standby | – |
eSIM support* | No | Yes |
Hybrid slot | No | No |
LTE Cat* | 16 | 18 |
5G support | No | Yes |
Sound
Speakers | Stereo | Stereo |
Headphone audio jack | No | No |
FM radio | No | No |
Dolby Atmos | Yes | Yes |
Speakers test

Other
Category | Flagship | Flagship |
Announced | September 2017 | September 2021 |
Release date | September 2017 | September 2021 |
SAR (head) | 0.94 W/kg | 0.99 W/kg |
SAR (body) | 0.99 W/kg | 0.98 W/kg |
Sensors | – Barometer – Proximity sensor – Gyroscope – Accelerometer – Ambient light sensor – Compass – Fingerprint | – Barometer – Proximity sensor – Gyroscope – Accelerometer – Ambient light sensor – Compass – Face recognition sensor |
NFC, GSM network support, and some other specifications may vary by country, so please note this.
Conclusion
We believe that the Apple iPhone 13 Pro Max is unquestionably a better purchase after reviewing all the available data. If you are still confused after reading this comparison you can also go through iPhone 11 Pro Vs iPhone 13 Pro and iPhone XS Max Vs iPhone 13 Pro Max comparison that will also clear up your mind and you will be able to take decisions about the best phone to go with.