Screen size
A6 4GWinner: 6.8"+7%
R156.3"
Quick verdict
A6 4G leads the measured specs 12-6.
Measured wins
A6 4G
12
spec wins
Overall winner
Ties
4
equal specs
R15
6
spec wins
Screen size
Technology
A6 4G
GSM / HSPA / LTE
R15
GSM / CDMA / HSPA / LTE
2G bands
A6 4G
GSM 850 / 900 / 1800 / 1900
R15
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
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
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
R15
1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
Speed
A6 4G
HSPA, LTE
R15
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
Announced
A6 4G
2026, January 13
R15
2018, March. Released 2018, April
Status
A6 4G
Available. Released 2026, January 13
R15
Discontinued
Dimensions
A6 4G
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R15
155.1 x 75.2 x 7.4 mm (6.11 x 2.96 x 0.29 in)
Weight
A6 4G
215 g (7.58 oz)
R15
175 g (6.17 oz)
Build
A6 4G
Glass front, plastic frame, plastic back
R15
Glass front (Gorilla Glass 5), glass back, aluminum frame
SIM
A6 4G
Nano-SIM + Nano-SIM
R15
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
-
Type
A6 4G
IPS LCD, 120Hz, 1125 nits (peak)
R15
AMOLED
Size
A6 4G
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R15
6.28 inches, 98.9 cm2 (~84.8% screen-to-body ratio)
Resolution
A6 4G
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R15
1080 x 2280 pixels, 19:9 ratio (~401 ppi density)
Protection
A6 4G
-
R15
Corning Gorilla Glass 5
OS
A6 4G
Android 15, ColorOS 15
R15
Android 8.1 (Oreo), ColorOS 5
Chipset
A6 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
R15
Mediatek MT6771 Helio P60 (12 nm)
CPU
A6 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
R15
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
A6 4G
Adreno 610
R15
Mali-G72 MP3
Card slot
A6 4G
microSDXC
R15
microSDXC (uses shared SIM slot)
Internal
A6 4G
128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
R15
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Other
A6 4G
UFS 2.2
R15
eMMC 5.1
Dual
A6 4G
50 MP, f/1.8, (wide), PDAF Auxiliary lens
R15
16 MP, f/1.7, 1/2.6", 1.22µm, PDAF Auxiliary lens
Features
A6 4G
LED flash, HDR, panorama
R15
LED flash, HDR, panorama
Video
A6 4G
1080p@30fps
R15
4K@30fps, 1080p@30fps
Single
A6 4G
8 MP, f/2.0, (wide)
R15
20 MP, f/2.0, (wide), 1/2.8", 1.0µm
Features
A6 4G
Panorama
R15
-
Video
A6 4G
1080p@30fps
R15
1080p@30fps
Loudspeaker
A6 4G
Yes, with stereo speakers
R15
Yes
3.5mm jack
A6 4G
No
R15
Yes
WLAN
A6 4G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R15
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
A6 4G
5.0, A2DP, LE, aptX
R15
4.2, A2DP, LE, EDR
Positioning
A6 4G
GPS, GALILEO, GLONASS, QZSS
R15
GPS, GLONASS
NFC
A6 4G
Yes (market/region dependent)
R15
No
Radio
A6 4G
Unspecified
R15
No
USB
A6 4G
USB Type-C 2.0, OTG
R15
microUSB 2.0, OTG
Sensors
A6 4G
Fingerprint (side-mounted), accelerometer, proximity, compass
R15
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
A6 4G
Si/C Li-Ion 7000 mAh
R15
Li-Po 3450 mAh, non-removable
Charging
A6 4G
45W wired, 33W PPS, 13.5W PD, 36% in 30 min 5W reverse wired
R15
20W wired
Colors
A6 4G
Sapphire Blue, Aurora Gold
R15
Hot Red, Snow White, Star Purple, Fantasy Pink
Models
A6 4G
CPH2817
R15
PACM00, CPH1835, PACT00, PAAT00
Price
A6 4G
-
R15
About 460 EUR