Oppo R11s vs Oppo R15x: A Detailed Comparison

Oppo's mid-range lineup has consistently delivered impressive value. The R11s and R15x are two popular contenders, but which one offers the better experience? This comprehensive comparison dives deep into their specs and features to help you make an informed decision.

Phones Images

🏆 Quick Verdict

The Oppo R11s edges out the R15x thanks to its significantly better battery life and superior charging speed. While both share the same chipset, the R11s's longevity and faster charging make it the more practical choice for most users.

PHONES
Phone Names	Oppo R11s	Oppo R15x

Network
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 1700(AWS) / 2100 / 900
4G bands	1, 2, 3, 4, 5, 8, 34, 38, 39, 40, 41 - R11s	1, 3, 4, 5, 8, 34, 38, 39, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology	GSM / CDMA / HSPA / EVDO / LTE	GSM / CDMA / HSPA / LTE
	1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 - R11st	CDMA 800 & TD-SCDMA

Launch
Announced	2017, October. Released 2017, November	2018, October. Released 2018, November
Status	Discontinued	Discontinued

Body
Build	Glass front (Gorilla Glass 5), aluminum back, aluminum frame	-
Dimensions	155.1 x 75.5 x 7.1 mm (6.11 x 2.97 x 0.28 in)	158.3 x 75.5 x 7.4 mm (6.23 x 2.97 x 0.29 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	153 g (5.40 oz)	156 g (5.50 oz)

Display
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 5
Resolution	1080 x 2160 pixels, 18:9 ratio (~401 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
Size	6.01 inches, 93.7 cm2 (~80.0% screen-to-body ratio)	6.4 inches, 101.0 cm2 (~84.5% screen-to-body ratio)
Type	AMOLED	Super AMOLED

Platform
CPU	Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)	Qualcomm SDM660 Snapdragon 660 (14 nm)
GPU	Adreno 512	Adreno 512
OS	Android 7.1.1 (Nougat), ColorOS 3.2	Android 8.1 (Oreo), planned upgrade to Android 9.0 (Pie), ColorOS 6.0

Memory
Card slot	microSDXC (uses shared SIM slot)	No
Internal	64GB 4GB RAM	128GB 6GB RAM
	eMMC 5.1	eMMC 5.1

Main Camera
Dual	16 MP, f/1.7, 1/2.8", 1.12µm, PDAF 20 MP, f/1.7, 1/2.8", 1.0µm, AF	16 MP, f/1.7, 1/2.8", 1.12µm, PDAF Auxiliary lens
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Video	4K@30fps, 1080p@30fps	4K@30fps, 1080p@30fps

Selfie camera
Features	-	HDR
Single	20 MP, f/2.0, (wide), 1/2.8", 1.0µm	25 MP, f/2.0, 1/2.8", 0.9µm
Video	1080p@30fps	1080p@30fps

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

Comms
Bluetooth	4.2, A2DP, LE, EDR	5.0, A2DP, LE
NFC	No	No
Positioning	GPS, GLONASS	GPS
Radio	No	No
USB	microUSB 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 а/b/g/n/ac, dual-band, Wi-Fi Direct

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

Battery
Charging	20W wired	10W wired
Type	Li-Po 3200 mAh, non-removable	Li-Ion 3600 mAh, non-removable

Misc
Colors	Red, Black, Champagne	Nebula, Silver Green
Models	CPH1719, R11s	PBCM10
Price	About 450 EUR	About 350 EUR

Tests
Audio quality	Noise -93.4dB / Crosstalk -90.84dB	-
Battery life	Endurance rating 77h	-
Camera	Photo / Video	-
Display	Contrast ratio: Infinity (nominal), 3.153 (sunlight)	-
Loudspeaker	Voice 67dB / Noise 72dB / Ring 73dB	-
Performance	GeekBench: 5907 (v4.4) GFXBench: 8.7fps (ES 3.1 onscreen)	-

Oppo R11s

Excellent battery life (77h endurance)
Faster 20W charging
Likely better camera performance (dual-camera)
Potentially better sunlight readability

Older model (may lack latest software features)
Design may feel dated

Oppo R15x

Potentially more affordable
Same Snapdragon 660 chipset for decent performance

Slower 10W charging
Likely shorter battery life
Less information available on camera quality

Display Comparison

Both phones likely feature similar LCD displays, though the R11s boasts a reported 'Infinity' contrast ratio (nominal) and a sunlight readability score of 3.153, suggesting potentially better outdoor visibility. The R15x's display details are less readily available, but it's likely a standard LCD panel. Expect similar resolutions and color accuracy.

Camera Comparison

The R11s is known for its dual-camera setup, offering features like portrait mode and improved low-light performance. The R15x's camera specifications are less clear, but it likely features a single or dual-camera system. Image quality will depend on the specific sensors and software processing used in each phone.

Performance

Both devices are powered by the Qualcomm Snapdragon 660 chipset, ensuring smooth performance for everyday tasks and moderate gaming. The R11s has a slightly higher clocked 'Gold' core (2.2 GHz vs 2.0 GHz), which *could* translate to marginally faster performance in certain scenarios, but the difference is likely negligible in real-world use.

Battery Life

This is where the R11s truly shines. Its endurance rating of 77 hours significantly surpasses the R15x's likely lower capacity and slower 10W charging. The R11s's 20W charging also provides a much quicker top-up.

Buying Guide

The Oppo R11s is ideal for users prioritizing battery life and fast charging, especially those who need a phone that can last through multiple days of moderate use. The Oppo R15x might appeal to budget-conscious buyers who don't heavily rely on battery performance and are comfortable with slower charging.