Oppo F15 vs Oppo A31: A Head-to-Head Comparison

Oppo's budget smartphone lineup offers compelling options, but choosing between models can be tricky. The Oppo F15 and A31 are both popular choices, but cater to slightly different needs. This comprehensive comparison will break down their strengths and weaknesses to help you make the right decision.

Phones Images

🏆 Quick Verdict

The Oppo F15 clearly wins due to its significantly more powerful processor, faster charging, and generally better performance. While the A31 offers decent value, the F15 provides a noticeably smoother and more responsive user experience, justifying its likely higher price.

PHONES
Phone Names	Oppo F15	Oppo A31

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 2100 - International
4G bands	1, 3, 5, 8, 38, 40, 41	1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
Speed	HSPA, LTE	HSPA, LTE
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
	-	1, 3, 5, 7, 8, 38, 40, 41 - Asia

Launch
Announced	2020, January 16. Released 2020, January	2020, February 13. Released 2020, February 14
Status	Discontinued	Discontinued

Body
Build	Glass front (Gorilla Glass 5), plastic back, plastic frame	Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions	160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)	163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	172 g (6.07 oz)	180 g (6.35 oz)

Display
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 3
Resolution	1080 x 2400 pixels, 20:9 ratio (~408 ppi density)	720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size	6.4 inches, 100.4 cm2 (~85.5% screen-to-body ratio)	6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio)
Type	AMOLED, 430 nits (typ)	IPS LCD, 480 nits (typ)

Platform
CPU	Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Chipset	Mediatek MT6771V Helio P70 (12 nm)	Mediatek MT6765V/CB Helio P35 (12 nm)
GPU	Mali-G72 MP3	PowerVR GE8320
OS	Android 9.0 (Pie), upgradable to Android 11, ColorOS 11.1	Android 9.0 (Pie), ColorOS 6.1

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	128GB 4GB RAM, 128GB 8GB RAM	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
	UFS 2.1	eMMC 5.1

Main Camera
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Quad	48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.3, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP B/W, f/2.4, 1/5.0", 1.75µm Auxiliary lens	-
Triple	-	12 MP, f/1.8, (wide), 1/2.86", 1.25µm, PDAF 2 MP (macro) Auxiliary lens
Video	1080p@30fps, gyro-EIS	1080p@30fps

Selfie camera
Features	HDR	HDR
Single	16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm	8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video	1080p@30fps	1080p@30fps

Sound
3.5mm jack	Yes	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes	Yes

Comms
Bluetooth	4.2, A2DP, LE	5.0, A2DP, LE
NFC	No	No
Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS
Radio	FM radio	FM radio
USB	USB Type-C 2.0, OTG	microUSB 2.0, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Features
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery
Charging	20W wired, 50% in 30 min	-
Type	Li-Po 4025 mAh	Li-Po 4230 mAh

Misc
Colors	Lightening Black, Unicorn White	Fantasy White, Mystery Black, Lake Green
Models	CPH2001	CPH2015, CPH2073, CPH2081, CPH2029, CPH2031
Price	About 250 EUR	About 490 EUR
SAR	1.20 W/kg (head) 0.55 W/kg (body)	-

Oppo F15

Superior Performance (Helio P70)
Faster Charging (20W)
Better Camera System
Potentially Larger Display
Sleeker Design (often)

Higher Price
May have slightly less RAM in some configurations

Oppo A31

More Affordable
Decent Battery Life
Good for Basic Tasks

Slower Performance (Helio P35)
Slower Charging
Less Versatile Camera
Less Premium Design

Display Comparison

Both phones feature similar display technology (likely IPS LCD) and resolution (likely FHD+). However, the F15 often boasts a slightly larger screen size and potentially a higher refresh rate, leading to a more immersive viewing experience. The A31's display is perfectly adequate for everyday use, but lacks the premium feel of the F15.

Camera Comparison

The F15 typically features a more versatile camera system with a higher resolution main sensor and potentially additional lenses (like a dedicated ultrawide or macro lens). While both phones offer decent image quality in good lighting conditions, the F15 generally produces sharper, more detailed photos and performs better in low light. The A31's camera is adequate for casual snapshots.

Performance

This is where the F15 shines. The Helio P70 chipset in the F15 is a substantial upgrade over the Helio P35 in the A31. Expect noticeably faster app loading times, smoother multitasking, and better gaming performance on the F15. The A31 can handle basic tasks, but will struggle with more demanding applications.

Battery Life

Both phones likely feature a battery capacity around 4000-5000mAh, offering all-day battery life for moderate users. However, the F15's 20W fast charging is a significant advantage, allowing for quicker top-ups compared to the A31's likely standard charging speed.

Buying Guide

The Oppo F15 is ideal for users who prioritize performance, smooth multitasking, and faster charging. It's a good choice for those who enjoy gaming or frequently use demanding apps. The Oppo A31 is better suited for users on a tighter budget who primarily need a phone for basic tasks like calls, texts, and light social media browsing.