Skip to content
InnoReviews

OPPO F33 5G vs Xiaomi 15 Ultra

OPPO F33 5G
49.1Inno Score
VS
WINNER
Xiaomi 15 Ultra

Xiaomi

Xiaomi 15 Ultra

$1,499

75.9Inno Score
28.9Performance79.1
55.2Display69.1
30.7Camera73.2
79.8Battery79
73.3Features78.7
4 spec wins — OPPO F33 5G9 spec wins — Xiaomi 15 Ultra

InnoReviews verdict

Xiaomi 15 Ultra wins this phone face-off, 75.9 to 49.1, pulling ahead mainly in performance (+50) and camera (+43). OPPO F33 5G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the OPPO F33 5G

  • 29% higher capacity: 7,000 mAh vs 5,410 mAh
  • 16% lower weight: 189 g vs 226 g
  • 14% lower thickness: 8 mm vs 9.4 mm

Reasons to pick the Xiaomi 15 Ultra

  • Stronger performance score: 79 vs 29
  • Stronger display score: 69 vs 55
  • Stronger camera score: 73 vs 31
  • Stronger features score: 79 vs 73
  • 129% higher Peak brightness: 3,200 nits vs 1,400 nits

Display

Display comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
Screen size6.57 ″6.73 ″+2%
Panel typeAMOLEDLTPO AMOLED
Resolution2372x10801440x3200
Pixel density397 ppi522 ppi+31%
Refresh rate120 Hz120 Hz
Peak brightness1,400 nits3,200 nits+129%
Screen-to-body93 %+3%90 %

Performance

Performance comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
ChipsetMediaTek Dimensity 6360 MAXSnapdragon 8 Elite
AnTuTu—2,650,000
Geekbench 6 (single)—3,050Top 12%
Geekbench 6 (multi)—9,600Top 11%
RAM (max)8 GB16 GB+100%
Storage options128GB / 256GB256/512GB/1TB
Storage typeUFS 2.2UFS 4.1

Camera

Camera comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.63
Ultra-wide—50 MP
Telephoto—200 MP
Optical zoom—4.3 x
Max video1080p@60fps8K@30fps
Front camera16 MP32 MP+100%
OISNoYes

Battery

Battery comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
Capacity7,000 mAh+29%5,410 mAh
Wired charging80 W90 W+13%
Wireless charging—80 W
Active use endurance—12 h

Design

Design comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
Weight189 g+16%226 g
Thickness8 mm+14%9.4 mm
IP ratingIP66/IP68/IP69KIP68
Frame materialAluminumAluminum

Connectivity

Connectivity comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
5GYesYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.46.0
NFCNoYes
USBUSB-C 2.0USB-C 3.2
eSIMNoYes

Software

Software comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
OS at launchAndroid 16 (ColorOS 16)Android 15 (HyperOS 2)
OS update pledge—4 years

Audio

Audio comparison: OPPO F33 5G versus Xiaomi 15 Ultra
SpecOPPO F33 5GXiaomi 15 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

Related comparisons

OPPO F33 5Gvs Nothing Phone (2a)VSOPPO F33 5Gvs Samsung Galaxy S23 FEVSOPPO F33 5Gvs Infinix NOTE 50 ProVSOPPO F33 5Gvs Motorola Razr (2026)VSXiaomi 15 Ultravs REDMI K80 ProVSXiaomi 15 Ultravs Samsung Galaxy S26 UltraVSXiaomi 15 Ultravs Honor 500 ProVSXiaomi 15 Ultravs Redmi K100 ProVS

Try another matchup