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InnoReviews

POCO F3 vs Samsung Galaxy S21 Ultra

POCO F3

Xiaomi

POCO F3

$349

41.4Inno Score
VS
WINNER
S
53.9Inno Score
34.7Performance37.2
47.5Display56.3
31.3Camera72
43.3Battery46.4
65.3Features78.7
8 spec wins — POCO F313 spec wins — Samsung Galaxy S21 Ultra

InnoReviews verdict

Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 41.4, pulling ahead mainly in camera (+41) and features (+13). POCO F3 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the POCO F3

  • 44% higher AnTuTu 10 (CPU): 378,834 vs 263,424
  • 35% higher AnTuTu 10 (GPU): 171,089 vs 126,989
  • 32% higher Wired charging: 33 W vs 25 W
  • 26% higher AnTuTu 10: 990,057 vs 783,817
  • 17% higher AnTuTu 10 (UX): 266,988 vs 227,841
  • Lower launch price: $349 vs $1,199

Reasons to pick the Samsung Galaxy S21 Ultra

  • Stronger display score: 56 vs 48
  • Stronger camera score: 72 vs 31
  • Stronger battery score: 46 vs 43
  • Stronger features score: 79 vs 65
  • 125% higher Main camera: 108 MP vs 48 MP

Display

Display comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
Screen size6.67 ″6.8 ″+2%
Panel typeAMOLEDLTPO AMOLED
Resolution2400x10803200x1440
Pixel density395 ppi515 ppi+30%
Refresh rate120 Hz120 Hz
Peak brightness1,300 nits1,500 nits+15%
AnTuTu 10 (CPU)378,834+44%Top 66%263,424Top 88%
AnTuTu 10 (GPU)171,089+35%Top 72%126,989Top 82%
AnTuTu 10 (Memory)173,146+5%Top 66%165,563Top 72%
AnTuTu 10 (UX)266,988+17%Top 72%227,841Top 82%

Performance

Performance comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
ChipsetSnapdragon 870Samsung Exynos 2100
AnTuTu 10990,057+26%Top 50%783,817Top 65%
Geekbench 6 (single)1,050Top 66%1,430+36%Top 52%
Geekbench 6 (multi)3,000Top 63%3,550+18%Top 56%
RAM (max)8 GB12 GB+50%
Storage options128GB / 256GB128GB / 256GB / 512GB
Storage typeUFS 3.1UFS 3.1

Camera

Camera comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
Main camera48 MP108 MP+125%
Main aperturef/1.8f/1.8
Ultra-wide8 MP12 MP+50%
Telephoto—10 MP
Optical zoom—10 x
Max video4K@30fps8K@24fps
Front camera20 MP40 MP+100%
OISNoYes

Battery

Battery comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
Capacity4,520 mAh5,000 mAh+11%
Wired charging33 W+32%25 W
Wireless charging—15 W

Design

Design comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
Weight196 g+14%228 g
Thickness7.8 mm+12%8.9 mm
IP ratingIP53IP68
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 6E
Bluetooth5.15.2
NFCYesYes
USBUSB-C 2.0USB-C 3.2
eSIMNoYes

Software

Software comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
OS at launchAndroid 11 (MIUI 12)Android 11 (One UI 3.1)
OS update pledge3 years4 years+33%

Audio

Audio comparison: POCO F3 versus Samsung Galaxy S21 Ultra
SpecPOCO F3Samsung Galaxy S21 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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