Best Samsung Galaxy S21 Vs iPhone 14 pro Max specifications
As of my knowledge cutoff of September 2021, there is no official information available on the Samsung Galaxy S23 Ultra as it is yet to be announced by Samsung. However, I can provide you with the specifications of the Samsung Galaxy S21 Ultra, which was the latest model in the Galaxy S series at the time of my knowledge cutoff. and other Samsung Galaxy S23 Ultra is the best phone we also talk in other way.

Samsung Galaxy S21 Ultra specifications:
Display: 6.8-inch Dynamic AMOLED 2X, 3200 x 1440 pixels, 120Hz refresh rate
Resolution: 1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Dimensions: 165.1 x 75.6 x 8.9 mm
Weight: 227g
Processor: Exynos 2100 (Global)/ Snapdragon 888 (USA)
Cpu: Octa-core (1×2.9 GHz Cortex-X1 & 3×2.80 GHz Cortex-A78 & 4×2.2 GHz Cortex-A55)
RAM: 12/16 GB
Storage: 128/256/512 GB, non-expandable
Rear Cameras: Quad camera setup (108MP primary lens, 12MP ultra-wide lens, 10MP periscope lens, 10MP telephoto lens)
Front Camera: 40MP
Battery: 5000 mAh , 25W fast charging, 15W wireless charging, 4.5W reverse wireless charging
Connectivity: NFS, Bluetooth,Wifi
Operating System: Android 11, One UI 3.1
sensors: Fingerprint (under the display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other features: 5G, Wi-Fi 6E, Bluetooth 5.2, IP68 rating, in-display fingerprint scanner, S-Pen support (stylus sold separately)
Please note that these specifications are subject to change for future models, including the Galaxy S23 Ultra.

As of my knowledge cutoff of September 2021, the iPhone 14 Pro Max has not yet been announced by Apple. However, I can provide you with the specifications of the iPhone 13 Pro Max, which was the latest model in the iPhone series at the time of my cutoff. Now Released The iPhone 14 Pro max Which Is The Latest Model Of iPhone. It Has More Latest Featured More Unique Design. We will publish The Specifications on Our website Very soon.
iPhone 13 Pro Max specifications:
Display: 6.7-inch Super Retina XDR OLED, 2778 x 1284 pixels, 120Hz refresh rate
Dimensions: 160.8 x 78.1 x 7.65 mm
Weight: 238g
Processor: A15 Bionic chip with 6-core CPU and 5-core GPU
RAM: 6 GB
Storage: 128/256/512/1TB, non-expandable
Rear Cameras: Triple camera setup (12MP wide lens, 12MP ultra-wide lens, 12MP telephoto lens)
Front Camera: 12MP True Depth camera
Battery: 4352 mAh, 20W fast charging, 15W MagSafe wireless charging, 7.5W Qi wireless charging
Operating System: iOS 15(Its Can Upgradable)
Other features: 5G, Wi-Fi 6, Bluetooth 5.0, IP68 rating, Face ID, Ceramic Shield front cover, ProRes video recording
Please note that these specifications are subject to change for future models, including the iPhone 14 Pro Max.