Screen size
A6 4GWinner: 6.8"+7%
R15 Pro6.3"
Quick verdict
A6 4G leads the measured specs 9-6.
Measured wins
A6 4G
9
spec wins
Overall winner
Ties
7
equal specs
R15 Pro
6
spec wins
Screen size
Technology
A6 4G
GSM / HSPA / LTE
R15 Pro
GSM / CDMA / HSPA / LTE
2G bands
A6 4G
GSM 850 / 900 / 1800 / 1900
R15 Pro
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
A6 4G
HSDPA 850 / 900 / 2100 - version 1, HSDPA 900 / 2100 - version 2
R15 Pro
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
A6 4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - version 1, 1, 3, 5, 8, 40 - version 2
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP 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
A6 4G
HSPA, LTE
R15 Pro
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
A6 4G
2026, January 13
R15 Pro
2018, March. Released 2018, April
Status
A6 4G
Available. Released 2026, January 13
R15 Pro
Discontinued
Dimensions
A6 4G
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R15 Pro
156.5 x 75.2 x 8 mm (6.16 x 2.96 x 0.31 in)
Weight
A6 4G
215 g (7.58 oz)
R15 Pro
180 g (6.35 oz)
Build
A6 4G
Glass front, plastic frame, plastic back
R15 Pro
Glass front (Gorilla Glass 5), ceramic back, aluminum frame
SIM
A6 4G
Nano-SIM + Nano-SIM
R15 Pro
Nano-SIM + Nano-SIM
Other
A6 4G
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
R15 Pro
IP67 dust/water resistant (up to 1m for 30 min)
Type
A6 4G
IPS LCD, 120Hz, 1125 nits (peak)
R15 Pro
AMOLED
Size
A6 4G
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R15 Pro
6.28 inches, 98.9 cm2 (~84.1% screen-to-body ratio)
Resolution
A6 4G
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R15 Pro
1080 x 2280 pixels, 19:9 ratio (~401 ppi density)
Protection
A6 4G
-
R15 Pro
Corning Gorilla Glass 5
OS
A6 4G
Android 15, ColorOS 15
R15 Pro
Android 8.1 (Oreo), ColorOS 5
Chipset
A6 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
R15 Pro
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
A6 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
R15 Pro
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
A6 4G
Adreno 610
R15 Pro
Adreno 512
Card slot
A6 4G
microSDXC
R15 Pro
microSDXC (uses shared SIM slot)
Internal
A6 4G
128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
R15 Pro
128GB 6GB RAM
Other
A6 4G
UFS 2.2
R15 Pro
eMMC 5.1
Dual
A6 4G
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
A6 4G
LED flash, HDR, panorama
R15 Pro
LED flash, HDR, panorama
Video
A6 4G
1080p@30fps
R15 Pro
4K@30fps, 1080p@60/120fps, 720p@240fps
Single
A6 4G
8 MP, f/2.0, (wide)
R15 Pro
20 MP, f/2.0, 20mm (wide), 1/2.8", 1.0µm
Features
A6 4G
Panorama
R15 Pro
-
Video
A6 4G
1080p@30fps
R15 Pro
1080p@30fps
Loudspeaker
A6 4G
Yes, with stereo speakers
R15 Pro
Yes
3.5mm jack
A6 4G
No
R15 Pro
Yes
WLAN
A6 4G
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
A6 4G
5.0, A2DP, LE, aptX
R15 Pro
5.0, A2DP, LE, EDR
Positioning
A6 4G
GPS, GALILEO, GLONASS, QZSS
R15 Pro
GPS, GLONASS
NFC
A6 4G
Yes (market/region dependent)
R15 Pro
Yes
Radio
A6 4G
Unspecified
R15 Pro
No
USB
A6 4G
USB Type-C 2.0, OTG
R15 Pro
microUSB 2.0, OTG
Sensors
A6 4G
Fingerprint (side-mounted), accelerometer, proximity, compass
R15 Pro
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
A6 4G
Si/C Li-Ion 7000 mAh
R15 Pro
Li-Po 3430 mAh, non-removable
Charging
A6 4G
45W wired, 33W PPS, 13.5W PD, 36% in 30 min 5W reverse wired
R15 Pro
20W wired
Colors
A6 4G
Sapphire Blue, Aurora Gold
R15 Pro
Ceramic Black, Dream Mirror Red
Models
A6 4G
CPH2817
R15 Pro
CPH1831, PAAM00
Price
A6 4G
-
R15 Pro
About 510 EUR