BeastCompare

Oppo K15 5G vs POCO X4 Pro 5G: Which One Should You Buy?

POCO X4 Pro 5G edges ahead with a BeastScore of 86.3/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Oppo

Oppo K15 5G

Oppo K15 5G
86/ 100
Launch pricePrice on request
Xiaomi · 2022

POCO X4 Pro 5G

POCO X4 Pro 5G
86/ 100
Launch price$299
Head-to-head

POCO X4 Pro 5G wins 3 of 5 categories

Here's exactly where each phone is stronger.

Oppo K15 5G
Oppo K15 5G
2 wins
POCO X4 Pro 5G
POCO X4 Pro 5G
3 wins
At a glance

Bigger shape = better phone.

SpeedCameraBatteryDisplayValue
Oppo K15 5GPOCO X4 Pro 5G
Category winners

Scores out of 100. How we score

  • SpeedOppo K15 5G
    86
    80
  • CameraPOCO X4 Pro 5G
    80
    90
  • VideoNot enough data
  • SelfieNot enough data
  • BatteryOppo K15 5G
    95
    88
  • DisplayPOCO X4 Pro 5G
    84
    86
  • ConnectivityNot enough data
  • SecurityNot enough data
  • ValuePOCO X4 Pro 5G
    85
    90
Key differences
  • Oppo K15 5G has the bigger battery8,000 mAh vs 5,000 mAh
  • POCO X4 Pro 5G has the bigger screen6.67" vs 6.59"
  • Oppo K15 5G has more RAM12 GB vs 8 GB
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy Oppo K15 5G
  • ✓Bigger 8,000 mAh battery (+3,000 mAh)
  • ✓6.59" display at 120 Hz
Reasons to buy POCO X4 Pro 5G
  • ✓794 g lighter (205 g), easier to hold
  • ✓$9700 cheaper at launch ($299 vs $9999)
  • ✓108 MP main camera

Full specifications

Swipe ⇄
SpecificationOppo K15 5GPOCO X4 Pro 5G
1. Display & Screen🏆 POCO X4 Pro 5G Wins Display
Screen typeAMOLEDAMOLED
Screen Size6.59"6.67"
Resolution & DensityFHD+ / LTPO AMOLED 2400x1080 (395 ppi)
Refresh Rate120 Hz ProMotion120 Hz ProMotion
BrightnessN/A900 nits peak
Screen ProtectionNot listedNot listed
2. Platform & Performance🏆 Oppo K15 5G Wins Performance
Chipset / ProcessorDimensity 7360 Super Snapdragon 695 5G (6nm)
CPU CoresNot listedNot listed
GPU GraphicsNot listedAdreno 619
Operating SystemAndroid Android 11
3. Memory & Storage
RAM Memory12 GB LPDDR8 GB LPDDR
Internal Storage256 GB128GB / 256GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics🏆 POCO X4 Pro 5G Wins Camera
Primary Cameraundefined MP, Triple Camera System108 MP, f/1.9, Samsung HM2
Telephoto ZoomNone (digital zoom only)None (digital zoom only)
Ultrawide CameraN/A8 MP, f/2.2
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lensundefined MP16 MP, f/2.45
7. Body & Dimensions
DimensionsN/A163.59 x 76.1 x 8.12 mm
WeightN/A205 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceNot listedIP53
8. Battery & Charging🏆 Oppo K15 5G Wins Battery
Battery Capacity8,000 mAh5,000 mAh
Wired Fast ChargingFast charging67W wired fast charging
Wireless ChargingNot listedNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardNot listedWi-Fi 6E
BluetoothNot listed5.1
USB Port & SpeedNot listedUSB-C 2.0
NFCYesYes (contactless payment)
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch PricePrice on request$299
Our verdict

POCO X4 Pro 5G wins — BeastScore 86.3/100

After comparing all the specs, POCO X4 Pro 5G is the stronger all-round phone. Its main edge: Higher overall BeastScore: 86.3 vs top rival 85.9 and Significantly faster wired charging: 67W vs max 0W.

Buy Oppo K15 5G if you want

Larger battery capacity: 8,000 mAh (+3,000 mAh more) · More system memory: 12GB RAM vs max 8GB

Buy POCO X4 Pro 5G if you want

Higher overall BeastScore: 86.3 vs top rival 85.9 · Significantly faster wired charging: 67W vs max 0W

Common questions

Which is better: Oppo K15 5G or POCO X4 Pro 5G?

POCO X4 Pro 5G leads with an overall BeastScore of 86.3/100 compared to Oppo K15 5G (85.9/100), driven by advantages in Higher overall BeastScore: 86.3 vs top rival 85.9 and Significantly faster wired charging: 67W vs max 0W.

What are the main battery and display differences between Oppo K15 5G and POCO X4 Pro 5G?

Oppo K15 5G has a 6.59-inch display and 8000 mAh battery. POCO X4 Pro 5G has a 6.67-inch display and 5000 mAh battery.

How do Oppo K15 5G and POCO X4 Pro 5G compare for speed?

Oppo K15 5G scores 86/100 for performance; POCO X4 Pro 5G scores 80/100.

Similar Smartphones

Samsung Galaxy A08
Samsung

Samsung Galaxy A08

Apple iPhone 17e
Apple

Apple iPhone 17e

Pixel 10 Pro
Google

Pixel 10 Pro

OnePlus 10T
Oneplus

OnePlus 10T

Xiaomi 17T 5G
Xiaomi

Xiaomi 17T 5G

vivo X300 E 5G
Vivo

vivo X300 E 5G

Oppo Reno15c 5G (India)
Oppo

Oppo Reno15c 5G (India)

Motorola Moto G17 Power
Motorola

Motorola Moto G17 Power

More Smartphones comparisons

vs

Oppo K10 5G (China) vs Oppo K15 5G

Compare →
vs

Oppo K14 5G vs Oppo K15 5G

Compare →
vs

Oppo K15 5G vs Oppo K15 Pro+ 5G

Compare →
vs

POCO X4 Pro 5G vs POCO X6 Pro

Compare →
vs

POCO X4 Pro 5G vs POCO X5 Pro

Compare →
vs

Oppo K15 5G vs Samsung Galaxy A08

Compare →
vs

POCO X4 Pro 5G vs Samsung Galaxy A08

Compare →
vs

Oppo K15 5G vs Apple iPhone 17e

Compare →

Related articles

All articles →
Xiaomi starts beta test recruitment for HyperOS 4Update
4 min read

Xiaomi starts beta test recruitment for HyperOS 4

Xiaomi has started recruiting beta testers for HyperOS 4 across eligible flagship devices, focusing on smoother animations, lower background RAM usage, and improved AI features.

Read →
Oppo Find X10 to feature dual 200MP cameras, Pro Max gets Open GateCamera
5 min read

Oppo Find X10 to feature dual 200MP cameras, Pro Max gets Open Gate

Oppo has confirmed the Find X10 Pro Max will pack twin 200MP sensors and cinema-grade Open Gate 4:3 full-sensor video recording for filmmakers.

Read →
Samsung Galaxy Z Flip6 vs. Motorola Razr+ (2024) vs. Xiaomi Mix Flip: The Definitive Flagship Clamshell Foldable Architecture, Outer Screen Workflows, Armor Aluminum & Titanium Hinges, Silicon-Carbon Batteries, and Dual 50MP Camera Showdown (2026)Definitive Foldable Guide 2026
14 min read

Samsung Galaxy Z Flip6 vs. Motorola Razr+ (2024) vs. Xiaomi Mix Flip: The Definitive Flagship Clamshell Foldable Architecture, Outer Screen Workflows, Armor Aluminum & Titanium Hinges, Silicon-Carbon Batteries, and Dual 50MP Camera Showdown (2026)

A rigorous 2026 engineering and lab benchmark comparison of the top three clamshell foldables: evaluating Qualcomm Snapdragon 8 Gen 3 for Galaxy vs. 8s Gen 3, teardrop dual-rail hinge mechanics, 1.5K quad-curved vs. 165Hz cover displays, 4,780mAh silicon-carbon battery chemistry, and Leica vs. ProVisual computational photography.

Read →