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The Top Smartphones With The Best Battery and Smallest Sizes (2021)

author Luis Silva (Updated on: March 2021)

The Top Smartphones With The Best Battery and Smallest Sizes


This is the international top 10 list. Click here to check out the US version.

Phones seem to be getting bigger and bigger each passing year, but not everyone likes to carry huge devices around, especially if they don't value a large display.

The issue is that usually, tinier devices also means smaller batteries.

Pay no mind. I have the perfect top 10 list for you, even if you don't want to empty your wallet, searching for every last change you can find, so you can buy your next phone.

These are the smartphones with the best battery life, sorted by their size. But if you prefer the other way around and what you really want is a small device with satisfactory battery life, then check the links down below.

Tips: Prices marked with ! are from renewed/refurbished/carrier-locked phones. You can also find links to Amazon, eBay, Best Buy, and Walmart (and updated prices) in any comparison article.



Pick your budget:





 Top 10 



 Over $1000 

  • #2 SamsungSamsung Galaxy Note 20 Ultra (Snapdragon)Gal. Note 20 U.SD
    $1230    7.8

  • Quick Specs
    Year: 2020
    Snapdragon 865+
    164x77 6.46x3.03
    6.9" 1440x3088
    Full Glass 128GB+
    Gorilla Glass V
    108+12+12Mp4x
    4500mAh 25+15w
    full specs

  • +Pros/-Cons
    +Performance
    +Always-On-Disp.
    +Cameras
    +Battery Life
    +Wireless Charg.
    +Glass Protection
    -Weight
    -3.5mm Jack
    -Price

  • samsung galaxy note 20 ultra (exynos) vs samsung galaxy note 20 ultra (snapdragon)Samsung
    Gal. Note 20 U.EX
    vs
    Samsung
    Gal. Note 20 U.SD
  • #5 SamsungSamsung Galaxy Note 20 Ultra (Exynos)Gal. Note 20 U.EX
    $1010    7.7

  • Quick Specs
    Year: 2020
    Exynos 990
    164x77 6.46x3.03
    6.9" 1440x3088
    Full Glass 256GB+
    Gorilla Glass V
    108+12+12Mp4x
    4500mAh 25+15w
    full specs

  • +Pros/-Cons
    +Performance
    +Always-On-Disp.
    +Cameras
    +Battery Life
    +Wireless Charg.
    +Storage
    -Weight
    -3.5mm Jack
    -Price

  • samsung galaxy note 20 ultra (exynos) vs samsung galaxy note 20 ultra (snapdragon)Samsung
    Gal. Note 20 U.EX
    vs
    Samsung
    Gal. Note 20 U.SD
  • #7 SamsungSamsung Galaxy S20 Ultra (Snapdragon)Galaxy S20 U.SD
    $1399    7.6

  • Quick Specs
    Year: 2020
    Snapdragon 855
    166x76 6.54x2.99
    6.9" 1440x3200
    Full Glass 128GB+
    Gorilla Glass 6
    108+48+12Mp4x
    5000mAh 45+15w
    full specs

  • +Pros/-Cons
    +Performance
    +Always-On-Disp.
    +Cameras
    +Battery Life
    +Wireless Charg.
    +Glass Protection
    -Weight
    -3.5mm Jack
    -Price

  • samsung galaxy s20 ultra (exynos) vs samsung galaxy s20 ultra (snapdragon)Samsung
    Galaxy S20 U.EX
    vs
    Samsung
    Galaxy S20 U.SD


 Under $1000 



 Under $700 

  • #3 SamsungSamsung Galaxy S10 (Snapdragon)Galaxy S10 SD
    $550    8.1

  • Quick Specs
    Year: 2019
    Snapdragon 855
    149x70 5.87x2.76
    6.1" 1440x3040
    Full Glass 128GB+
    Gorilla Glass 6
    12+12+16Mp2x
    3400mAh 15+15w
    full specs

  • +Pros/-Cons
    +Performance
    +Always-On-Disp.
    +Cameras
    +Wireless Charg.
    +Glass Protection

  • samsung galaxy s10 (exynos) vs samsung galaxy s10 (snapdragon)Samsung
    Galaxy S10 EX
    vs
    Samsung
    Galaxy S10 SD
  • #8 SamsungSamsung Galaxy S20 FE 4GGal. S20 FE 4G
    $505    8.0

  • Quick Specs
    Year: 2020
    Exynos 990
    159x74 6.26x2.92
    6.5" 1080x2400
    Front Glass 256GB+
    Gorilla Glass 3
    12+8+12Mp3x
    4500mAh 25+15w
    full specs

  • +Pros/-Cons
    +Performance
    +Always-On-Disp.
    +Cameras
    +Battery Life
    +Wireless Charg.
    +Storage
    -Weight
    -3.5mm Jack
    -Price

  • samsung galaxy s20 fe 4g vs samsung galaxy s20 fe 5gSamsung
    Gal. S20 FE 4G
    vs
    Samsung
    Gal. S20 FE 5G


 Under $500 

  • #6 SamsungSamsung Galaxy S20 FE 5GGal. S20 FE 5G
    $401    8.1

  • Quick Specs
    Year: 2020
    Snapdragon 865
    159x74 6.26x2.92
    6.5" 1080x2400
    Front Glass 128G+
    Gorilla Glass 3
    12+8+12Mp3x
    4500mAh 25+15w
    full specs

  • +Pros/-Cons
    +Performance
    +Always-On-Disp.
    +Cameras
    +Battery Life
    +Wireless Charg.
    -Weight
    -3.5mm Jack
    -Price
    -Glass Protection

  • samsung galaxy s20 fe 4g vs samsung galaxy s20 fe 5gSamsung
    Gal. S20 FE 4G
    vs
    Samsung
    Gal. S20 FE 5G


 Under $400 

  • #3 SamsungSamsung Galaxy M30sGalaxy M30s
    $300    8.2

  • Quick Specs
    Year: 2019
    Exynos 9611
    159x75 6.26x2.96
    6.4" 1080x2340
    Front Glass 64GB+
    No Glass Prot.
    48+8+5Mp
    6000mAh 15+0w
    full specs

  • +Pros/-Cons
    +Always-On-Disp.
    +Battery Life
    -Wireless Charg.
    -Weight
    -Glass Protection

  • samsung galaxy m30s vs xiaomi redmi note 8 proSamsung
    Galaxy M30s
    vs
    Xiaomi
    R.Note 8 Pro
  • #8 SamsungSamsung Galaxy S10 Plus (Snapdragon)Galaxy S10+ SD
    $379    8.0

  • Quick Specs
    Year: 2019
    Snapdragon 855
    157x74 6.19x2.92
    6.4" 1440x3040
    Full Glass 128GB+
    Gorilla Glass 6
    12+12+16Mp2x
    4100mAh 15+15w
    full specs

  • +Pros/-Cons
    +Performance
    +Always-On-Disp.
    +Cameras
    +Battery Life
    +Wireless Charg.
    -Price

  • samsung galaxy s10 plus (exynos) vs samsung galaxy s10 plus (snapdragon)Samsung
    Galaxy S10+ EX
    vs
    Samsung
    Galaxy S10+ SD
  • #10 XiaomiXiaomi Mi 10 LiteMi 10 Lite
    $399    7.9

  • Quick Specs
    Year: 2020
    Snapdragon 765
    163x74 6.42x2.92
    6.5" 1080x2400
    Front Glass 64GB
    Gorilla Glass 5
    48+8+2+2Mp
    4160mAh 20+0w
    full specs

  • +Pros/-Cons
    +Always-On-Disp.
    +Cameras
    +Battery Life
    -Wireless Charg.
    -MicroSD Slot
    -Weight
    -Price

  • xiaomi mi 10 lite vs xiaomi mi 10 ultraXiaomi
    Mi 10 Lite
    vs
    Xiaomi
    Mi 10 Ultra


 Under $300 

  • #2 XiaomiXiaomi Mi 9 SEMi 9 SE
    $250    8.1

  • Quick Specs
    Year: 2019
    Snapdragon 712
    147x70 5.79x2.76
    5.9" 1080x2340
    Full Glass 64GB
    Gorilla Glass 5
    48+8+13Mp2x
    3070mAh 18+0w
    full specs

  • +Pros/-Cons
    +Always-On-Disp.
    +Cameras
    -Wireless Charg.
    -MicroSD Slot
    -3.5mm Jack

  • xiaomi mi 9 vs xiaomi mi 9 seXiaomi
    Mi 9
    vs
    Xiaomi
    Mi 9 SE
  • #3 HuaweiHuawei Mate 20Mate 20
    $285    8.1

  • Quick Specs
    Year: 2018
    Hisilicon Kirin 980
    158x77 6.23x3.03
    6.5" 1080x2244
    Full Glass 64GB+
    No Glass Prot.
    12+8+16Mp2x
    4000mAh 22+0w
    full specs

  • +Pros/-Cons
    +Always-On-Disp.
    +Cameras
    +Battery Life
    -AMOLED
    -Wireless Charg.
    -Weight
    -Glass Protection

  • huawei mate 20 vs huawei mate 20 proHuawei
    Mate 20
    vs
    Huawei
    Mate 20 Pro
  • #5 RealmeRealme XTXT
    $290    8.0

  • Quick Specs
    Year: 2019
    Snapdragon 712
    158x75 6.23x2.96
    6.4" 1080x2340
    Full Glass 64GB+
    Gorilla Glass 5
    64+8+2+2Mp
    4000mAh 20+0w
    full specs

  • +Pros/-Cons
    +Always-On-Disp.
    +Cameras
    +Battery Life
    -Wireless Charg.
    -Weight

  • xiaomi redmi note 8 pro vs realme xtXiaomi
    R.Note 8 Pro
    vs
    Realme
    XT
  • #8 XiaomiXiaomi Pocophone F1Pocophone F1
    $250    7.9

  • Quick Specs
    Year: 2018
    Snapdragon 845
    155x75 6.11x2.96
    6.1" 1080x2246
    Front Glass 64GB+
    Gorilla Glass
    12+5Mp
    4000mAh 18+0w
    full specs

  • +Pros/-Cons
    -AMOLED
    -Always-On-Disp.
    -Wireless Charg.
    -Weight

  • xiaomi pocophone f1 vs xiaomi redmi note 8 proXiaomi
    Pocophone F1
    vs
    Xiaomi
    R.Note 8 Pro


 Under $200 

  • #3 RealmeRealme 5 Pro5 Pro
    $179    8.0

  • Quick Specs
    Year: 2019
    Snapdragon 712
    157x74 6.19x2.92
    6.3" 1080x2340
    Front Glass 128G+
    Gorilla Glass 3
    48+8+2+2Mp
    4035mAh 20+0w
    full specs

  • +Pros/-Cons
    +Always-On-Disp.
    +Cameras
    +Battery Life
    +Price
    -AMOLED
    -Wireless Charg.
    -Weight
    -Glass Protection

  • realme 5 pro vs xiaomi redmi note 8 proRealme
    5 Pro
    vs
    Xiaomi
    R.Note 8 Pro
  • #5 XiaomiXiaomi Redmi Note 7Redmi Note 7
    $140    7.9

  • Quick Specs
    Year: 2019
    Snapdragon 660
    159x75 6.26x2.96
    6.3" 1080x2340
    Full Glass 64GB+
    Gorilla Glass 5
    48+5Mp
    4000mAh 18+0w
    full specs

  • +Pros/-Cons
    +Battery Life
    +Price
    -AMOLED
    -Always-On-Disp.
    -Wireless Charg.
    -Weight

  • xiaomi redmi note 7 vs xiaomi redmi note 8 proXiaomi
    Redmi Note 7
    vs
    Xiaomi
    R.Note 8 Pro


Related articles:

The Smallest Smartphones With The Best Battery Life



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