Screen size
A6s ProWinner: 6.6"+4.4%
R15 Pro6.3"
Quick verdict
A6s Pro leads the measured specs 13-3.
Measured wins
A6s Pro
13
spec wins
Overall winner
Ties
7
equal specs
R15 Pro
3
spec wins
Screen size
Technology
A6s Pro
GSM / HSPA / LTE
R15 Pro
GSM / CDMA / HSPA / LTE
2G bands
A6s Pro
GSM 850 / 900 / 1800 / 1900
R15 Pro
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
A6s Pro
HSDPA 850 / 900 / 2100
R15 Pro
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
A6s Pro
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
R15 Pro
1, 2, 3, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 41
Speed
A6s Pro
HSPA, LTE
R15 Pro
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
A6s Pro
2026, February 24
R15 Pro
2018, March. Released 2018, April
Status
A6s Pro
Available. Released 2026, March 03
R15 Pro
Discontinued
Dimensions
A6s Pro
158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in)
R15 Pro
156.5 x 75.2 x 8 mm (6.16 x 2.96 x 0.31 in)
Weight
A6s Pro
190 g (6.70 oz)
R15 Pro
180 g (6.35 oz)
Build
A6s Pro
Glass front, plastic frame, plastic back
R15 Pro
Glass front (Gorilla Glass 5), ceramic back, aluminum frame
SIM
A6s Pro
Nano-SIM + Nano-SIM
R15 Pro
Nano-SIM + Nano-SIM
Other
A6s Pro
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
R15 Pro
IP67 dust/water resistant (up to 1m for 30 min)
Type
A6s Pro
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
R15 Pro
AMOLED
Size
A6s Pro
6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio)
R15 Pro
6.28 inches, 98.9 cm2 (~84.1% screen-to-body ratio)
Resolution
A6s Pro
1080 x 2372 pixels (~397 ppi density)
R15 Pro
1080 x 2280 pixels, 19:9 ratio (~401 ppi density)
Protection
A6s Pro
AGC DT-Star D+
R15 Pro
Corning Gorilla Glass 5
OS
A6s Pro
Android 16, ColorOS 16
R15 Pro
Android 8.1 (Oreo), ColorOS 5
Chipset
A6s Pro
Mediatek Helio G100 Max (6 nm)
R15 Pro
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
A6s Pro
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R15 Pro
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
A6s Pro
Mali-G57 MC2
R15 Pro
Adreno 512
Card slot
A6s Pro
microSDXC
R15 Pro
microSDXC (uses shared SIM slot)
Internal
A6s Pro
256GB 8GB RAM
R15 Pro
128GB 6GB RAM
Other
A6s Pro
UFS 2.2
R15 Pro
eMMC 5.1
Dual
A6s Pro
50 MP, f/1.8, (wide), PDAF Auxiliary lens
R15 Pro
16 MP, f/1.7, 25mm (wide), 1/2.6", 1.22µm, PDAF 20 MP, f/1.7, 25mm (wide), 1/2.8", 1.0µm
Features
A6s Pro
LED flash, HDR, panorama
R15 Pro
LED flash, HDR, panorama
Video
A6s Pro
1080p@30/60/120fps
R15 Pro
4K@30fps, 1080p@60/120fps, 720p@240fps
Single
A6s Pro
50 MP, (wide)
R15 Pro
20 MP, f/2.0, 20mm (wide), 1/2.8", 1.0µm
Features
A6s Pro
Panorama
R15 Pro
-
Video
A6s Pro
1080p@30fps
R15 Pro
1080p@30fps
Loudspeaker
A6s Pro
Yes, with stereo speakers
R15 Pro
Yes
3.5mm jack
A6s Pro
No
R15 Pro
Yes
WLAN
A6s Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R15 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
A6s Pro
5.4, A2DP, LE, aptX HD
R15 Pro
5.0, A2DP, LE, EDR
Positioning
A6s Pro
GPS, GALILEO, GLONASS, BDS, QZSS
R15 Pro
GPS, GLONASS
NFC
A6s Pro
Yes (market/region dependent)
R15 Pro
Yes
Radio
A6s Pro
Unspecified
R15 Pro
No
USB
A6s Pro
USB Type-C 2.0, OTG
R15 Pro
microUSB 2.0, OTG
Sensors
A6s Pro
Fingerprint (under display, optical), accelerometer, gyro, proximity
R15 Pro
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
A6s Pro
Si/C Li-Ion 7000 mAh
R15 Pro
Li-Po 3430 mAh, non-removable
Charging
A6s Pro
80W wired, 33W PPS, 13.5W PD 5W reverse wired
R15 Pro
20W wired
Colors
A6s Pro
Lumina Frost, Eclipse Blue
R15 Pro
Ceramic Black, Dream Mirror Red
Price
A6s Pro
About 280 EUR
R15 Pro
About 510 EUR
Models
A6s Pro
-
R15 Pro
CPH1831, PAAM00