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InnoReviews

OPPO K15 vs Ulefone Armor 28 Ultra

OPPO K15
61.1Inno Score
VS
WINNER
Ulefone Armor 28 Ultra
61.6Inno Score
46.7Performance55.2
53.6Display53.7
58.6Camera46.8
79.8Battery94.7
86.7Features60
5 spec wins — OPPO K156 spec wins — Ulefone Armor 28 Ultra

InnoReviews verdict

This one is close to a dead heat: OPPO K15 scores 61.1 against 61.6 for Ulefone Armor 28 Ultra. Pick by the categories that matter to you — Ulefone Armor 28 Ultra edges ahead in battery and performance, or by price.

Which would you pick?

Key differences

Reasons to pick the OPPO K15

  • Stronger camera score: 59 vs 47
  • Stronger features score: 87 vs 60
  • 57% lower thickness: 8.3 mm vs 19.4 mm
  • 54% lower weight: 205 g vs 450 g
  • 16% higher Pixel density: 460 ppi vs 395 ppi

Reasons to pick the Ulefone Armor 28 Ultra

  • Stronger performance score: 55 vs 47
  • Stronger battery score: 95 vs 80
  • 83% higher Peak brightness: 2,200 nits vs 1,200 nits
  • 50% higher Wired charging: 120 W vs 80 W
  • 33% higher RAM (max): 16 GB vs 12 GB

Display

Display comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
Screen size6.59 ″6.67 ″+1%
Panel typeAMOLEDAMOLED
Resolution2760x12561080x2400
Pixel density460 ppi+16%395 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits2,200 nits+83%
Screen-to-body88.9 %—

Performance

Performance comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
ChipsetDimensity 7360 SuperMediaTek Dimensity 9300+
Geekbench 6 (single)—2,158Top 29%
Geekbench 6 (multi)—7,082Top 22%
RAM (max)12 GB16 GB+33%
Storage options256GB1TB
Storage typeUFS 3.1UFS 4.0

Camera

Camera comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.9
Ultra-wide50 MP50 MP
Max video4K@30fps8K@30fps
Front camera50 MP50 MP
OISYesNo

Battery

Battery comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
Capacity8,000 mAh10,600 mAh+33%
Wired charging80 W120 W+50%
Wireless charging—50 W

Design

Design comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
Weight205 g+54%450 g
Thickness8.3 mm+57%19.4 mm
IP ratingIP68/IP69IP68/IP69K
Frame materialAluminum—

Connectivity

Connectivity comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB-C 2.0USB-C 3.2 Gen 2
eSIMNoNo

Software

Software comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
OS at launchAndroid 16 (ColorOS 16)Android 14

Audio

Audio comparison: OPPO K15 versus Ulefone Armor 28 Ultra
SpecOPPO K15Ulefone Armor 28 Ultra
Stereo speakersYesNo
3.5mm jackNoYes

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