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InnoReviews

OPPO Reno15 (Global) vs Samsung Galaxy S21

WINNER
OPPO Reno15 (Global)
60.2Inno Score
VS
Samsung Galaxy S21
43.6Inno Score
46.7Performance34.4
57.6Display49.1
61.4Camera40.8
75.1Battery36.9
73.3Features78.7
8 spec wins — OPPO Reno15 (Global)4 spec wins — Samsung Galaxy S21

InnoReviews verdict

OPPO Reno15 (Global) wins this phone face-off, 60.2 to 43.6, pulling ahead mainly in battery (+38) and camera (+21). Samsung Galaxy S21 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the OPPO Reno15 (Global)

  • Stronger performance score: 47 vs 34
  • Stronger display score: 58 vs 49
  • Stronger camera score: 61 vs 41
  • Stronger battery score: 75 vs 37
  • 400% higher Front camera: 50 MP vs 10 MP

Reasons to pick the Samsung Galaxy S21

  • Stronger features score: 79 vs 73
  • 50% higher ultra-wide: 12 MP vs 8 MP
  • 28% higher telephoto: 64 MP vs 50 MP
  • 13% lower weight: 171 g vs 197 g

Display

Display comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
Screen size6.59 ″+6%6.2 ″
Panel typeAMOLEDAMOLED
Resolution2760x12562400x1080
Pixel density460 ppi+9%421 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits1,300 nits+8%
Screen-to-body93.4 %—

Performance

Performance comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
ChipsetQualcomm Snapdragon 7 Gen 4Samsung Exynos 2100
AnTuTu—746,547Bottom 18%
AnTuTu 11 (CPU)—252,025Bottom 14%
AnTuTu 11 (GPU)—127,819Bottom 35%
AnTuTu 11 (Memory)—144,909Bottom 16%
AnTuTu 11 (UX)—221,794Bottom 18%
Geekbench 6 (single)—1,430Top 46%
Geekbench 6 (multi)—3,550Bottom 50%
RAM (max)12 GB+50%8 GB
Storage options256GB, 512GB128GB / 256GB
Storage typeUFS 3.1UFS 3.1

Camera

Camera comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
Main camera50 MP+317%12 MP
Main aperturef/1.8f/1.8
Ultra-wide8 MP12 MP+50%
Telephoto50 MP64 MP+28%
Optical zoom3.5 x—
Max video4K@60fps8K@24fps
Front camera50 MP+400%10 MP
OISYesYes

Battery

Battery comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
Capacity6,500 mAh+63%4,000 mAh
Wired charging80 W+220%25 W
Wireless charging—15 W

Design

Design comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
Weight197 g171 g+13%
Thickness7.8 mm+2%7.9 mm
IP ratingIP66/IP68/IP69IP68
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 6
Bluetooth5.45.0
NFCYesYes
USBUSB Type-CUSB-C 3.2
eSIMYesYes

Software

Software comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
OS at launchAndroid 16Android 11 (One UI 3.1)
OS update pledge—4 years

Audio

Audio comparison: OPPO Reno15 (Global) versus Samsung Galaxy S21
SpecOPPO Reno15 (Global)Samsung Galaxy S21
Stereo speakers—Yes
3.5mm jackNoNo

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