Realme 9 vs Oppo K15s

250 USD

250 USD

Available

Available

Realme Mobiles

Oppo Mobiles

RMX3521

PYE130

2022, April 12

2026, October 02

GSM/HSDPA/LTE

GSM / HSPA / LTE / 5G

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

GSM 850 / 900 / 1800 / 1900

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

HSDPA 850 / 900 / 2100

1, 3, 5, 8, 38, 40, 41

1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48

HSPA 42.2/5.76 Mbps, LTE-A (CA)

HSPA, LTE, 5G

1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA

162.6 x 74.8 x 8.5 mm (6.40 x 2.94 x 0.33 in)

159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)

178 g (6.28 oz)

205 g (7.23 oz)

Glass front, plastic back, Corning Gorilla Glass 5

Glass front, plastic frame, plastic back IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 1.8m

Dual SIM (Nano-SIM, dual stand-by)

Nano-SIM + Nano-SIM

Meteor Black, Sunburst Gold, Stargaze White

Gray, Purple

Super AMOLED capacitive touchscreen, IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM) , 16M colors

AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)

6.4 inches, 98.9 cm2 (~84.2% screen-to-body ratio)

6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)

1080 x 2400 pixels, 20:9 ratio (~411 ppi density)

1080 x 2372 pixels (~397 ppi density)

Android 12, Realme UI 3.0

Android 16, ColorOS 16

Qualcomm SM6225 Snapdragon 680 4G (6 nm)

Mediatek Dimensity 6360 Max (6 nm)

Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)

Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

Adreno 610

Mali-G57 MC2

8GB

6GB/8GB

128GB

128GB/256GB

microSDXC (uses shared SIM slot)

microSDXC

108 MP, f/1.8, 26mm (wide), 1/1.67", 0.64µm, Dual Pixel PDAF

50 MP, f/1.9, 25mm (wide), PDAF

8 MP, f/2.2, 120˚ (ultrawide), 1/4", 1.12µm

Auxiliary lens

2 MP, f/2.4, (macro)

LED flash, HDR, Night Mode, Panoramic view, Expert, Portrait Mode，HDR，Ultra wide, Ultra macro, AI Scene Recognition, AI Beauty, Filter, Bokeh Effect Control, Starry Mode

LED flash, HDR, panorama

4K@30fps, 1080p@30/60fps, gyro-EIS

1080p@30/60fps

16 MP, f/2.5, 26mm (wide), 1/3.09", 1.0µm

8 MP, f/2.1, 25mm (wide)

HDR, Portrait Mode, Panoramic view, Beauty Mode, HDR, Face-Recognition, Filter, Night Mode, Bokeh Effect Control

Panorama

1080p@30fps

1080p@30fps

Li-Po 5000mAh Non-Removable

Si/C Li-Ion 8000 mAh

Fast charging 18W

45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Yes

Yes

Yes

Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot

Wi-Fi 802.11 a/b/g/n/ac, dual-band

5.1, A2DP, LE, aptX HD

5.4, A2DP, LE, aptX HD

Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS

GPS, GALILEO, GLONASS, BDS, QZSS

No

Yes

USB Type-C 2.0, USB On-The-Go

USB Type-C 2.0, OTG

AnTuTu: 290097 (v9) GeekBench: 1601 (v5.1) GFXBench: 7.3fps (ES 3.1 onscreen)

Contrast ratio: Infinite (nominal)

-30.4 LUFS (Below average)

Endurance rating 156h - Amazing