Galaxy S21 Ultra 5G vs iPhone 12 Pro Max

Galaxy S21 Ultra 5G
Galaxy S21 Ultra 5G
Starting from $256.00
View item
iPhone 12 Pro Max
iPhone 12 Pro Max
Starting from $385.00
View item

Customer reviews

Galaxy S21 Ultra 5GiPhone 12 Pro Max


Galaxy S21 Ultra 5GiPhone 12 Pro Max
Width75.6 mm78.1 mm
Height165.1 mm160.8 mm
Weight229 g228 g
Thickness8.9 mm7.4 mm
Volume111.09 cm³92.93 cm³


Galaxy S21 Ultra 5GiPhone 12 Pro Max
Resolution1440 x 3200 px1284 x 2778 px
Density515 ppi458 ppi
Size6.8 inches6.7 inches


Galaxy S21 Ultra 5GiPhone 12 Pro Max
Battery capacity5000 mAh3687 mAh
Removable batteryNoNo
Wireless chargingYesYes
Fast chargingYesYes
Ultra power saving modeNoYes

*Refurbished devices sold on Back Market offer at least 85% of this maximum charge capacity.


Galaxy S21 Ultra 5GiPhone 12 Pro Max
Maximum storage512 GB512 GB
External memory slotNoNo
RAM capacity16 GB6 GB
5G supportYesYes
LTE supportYesYes


Galaxy S21 Ultra 5GiPhone 12 Pro Max
Front camera resolution40 MP12 MP
Main camera resolution108 MP12 MP
Multi lensYesYes
Optical zoomYesYes
Optical stabilizationYesYes
Slow motion videoYesYes
Main camera video resolution4320 px2160 px


Galaxy S21 Ultra 5GiPhone 12 Pro Max
Stereo speakersYesYes
3.5mm jack socketNoNo
Number of microphones22

Galaxy S21 Ultra 5G vs iPhone 12 Pro Max Comparison

The Galaxy S21 Ultra 5G and the iPhone 12 Pro Max are two competing flagship phones for Samsung and Apple around the same generation. The S21 Ultra is slightly more recent, having been released in January 2021, just 3 months after the 12 Pro Max was released in October 2020. Read more to find out how these 2 phones stack up.


Starting from the camera, we’ll find both phones are well-balanced and very similar. The Galaxy S21 Ultra features 4 rear cameras (main, ultra-wide and two telephoto lenses), but the 12 Pro Max only has 3 since it only features one telephoto lens only capable of 2.5x zoom. The main camera is also slightly better on the S21 Ultra, which has an impressive 108MP compared to only 12MP on the 12 Pro Max. This gives you more versatility in keeping photo quality consistent against different scales and while zooming. While both are great, the only real standout feature is the better zoom capabilities on the Galaxy S21 Ultra, which allows you to maintain photo quality better than the 12 Pro Max when zoomed.


Samsung also takes a step ahead of Apple when it comes to battery life. The Galaxy S21 Ultra has a whopping 5,000 mAh battery size compared to the 12 Pro Max’s 3,678 mAh battery. Both have the ability to give you all day battery life, but you might find up to an hour more of usage on the S21 Ultra.


Both phones have about the same display size: 6.8 inches for the S21 Ultra and 6.7 inches for the 12 Pro Max, but we’ll find different resolutions on each. Samsung has 1440 x 3200 px, which will give you sharper quality than the 1284 x 2778 px screen offered on the 12 Pro Max. 

Storage Options

Once again, we find the Samsung S21 Ultra pulling ahead of the iPhone 12 Pro Max in terms of storage. The S21 Ultra has an impressive up to 16 GB of RAM, which is a significant leap over the 6 GB offered on the 12 Pro Max. However, both models offer the same storage options between 128GB, 256GB and 512GB.


Both the iPhone 12 Pro Max and the Galaxy S21 offer strong processing capabilities, but use different chipsets. Apple has its proprietary A14 Bionic chip and Samsung uses the Snapdragon 888 chip. Both are great options for any user, although the Apple chipset has come out slightly ahead in terms of performance benchmark scores. 

Overall, the Galaxy S21 Ultra might offer some improved specs on paper, but in terms of usability for the average person, we don’t see either model coming out leagues ahead of the other. This will likely come down to your preference between Apple and Samsung operating systems, since all in all, you probably won’t see a big difference between camera, battery, or processing performance. You might find better value with Samsung products, however, since Apple tends to have a higher resale value.

Our recent comparisons

See all articles

From phones to fridges, you can’t choose wrong.

Back Market only sells the highest quality refurbished items, at the best prices, risk-free.

  • Easy returns

    Not that into it? No worries. Return any item for a full refund within the first 30 days

  • Positive impact

    By buying refurbished, you're keeping e-waste out of landfills. Huzzah!

  • Strict quality control

    We ensure that the sellers we partner with maintain high standards.

  • Caring customer service

    Our friendly support team is always on standby