Screen size
A6 4GWinner: 6.8"+41%
R821T FInd Muse4.0"
Quick verdict
A6 4G leads the measured specs 18-1.
Measured wins
A6 4G
18
spec wins
Overall winner
Ties
3
equal specs
R821T FInd Muse
1
spec wins
Screen size
Technology
A6 4G
GSM / HSPA / LTE
R821T FInd Muse
GSM / HSPA
2G bands
A6 4G
GSM 850 / 900 / 1800 / 1900
R821T FInd Muse
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A6 4G
HSDPA 850 / 900 / 2100 - version 1, HSDPA 900 / 2100 - version 2
R821T FInd Muse
HSDPA 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
Main 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
R821T FInd Muse
-
Speed
A6 4G
HSPA, LTE
R821T FInd Muse
HSPA
Announced
A6 4G
2026, January 13
R821T FInd Muse
2013. Released 2013
Status
A6 4G
Available. Released 2026, January 13
R821T FInd Muse
Discontinued
Dimensions
A6 4G
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R821T FInd Muse
123 x 63.5 x 9.9 mm (4.84 x 2.5 x 0.39 in)
Weight
A6 4G
215 g (7.58 oz)
R821T FInd Muse
-
Build
A6 4G
Glass front, plastic frame, plastic back
R821T FInd Muse
-
SIM
A6 4G
Nano-SIM + Nano-SIM
R821T FInd Muse
Dual SIM (Mini-SIM, dual stand-by)
Other
A6 4G
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
R821T FInd Muse
-
Type
A6 4G
IPS LCD, 120Hz, 1125 nits (peak)
R821T FInd Muse
IPS LCD
Size
A6 4G
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R821T FInd Muse
4.0 inches, 45.5 cm2 (~58.3% screen-to-body ratio)
Resolution
A6 4G
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R821T FInd Muse
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
A6 4G
Android 15, ColorOS 15
R821T FInd Muse
Android 4.2 (Jelly Bean)
Chipset
A6 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
R821T FInd Muse
Mediatek MT6572 (28 nm)
CPU
A6 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
R821T FInd Muse
Dual-core 1.2 GHz Cortex-A7
GPU
A6 4G
Adreno 610
R821T FInd Muse
Mali-400
Card slot
A6 4G
microSDXC
R821T FInd Muse
microSDHC (dedicated slot)
Internal
A6 4G
128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
R821T FInd Muse
4GB 512MB RAM
Other
A6 4G
UFS 2.2
R821T FInd Muse
-
Dual
A6 4G
50 MP, f/1.8, (wide), PDAF Auxiliary lens
R821T FInd Muse
-
Features
A6 4G
LED flash, HDR, panorama
R821T FInd Muse
-
Video
A6 4G
1080p@30fps
R821T FInd Muse
Yes
Single
A6 4G
-
R821T FInd Muse
3.15 MP
Single
A6 4G
8 MP, f/2.0, (wide)
R821T FInd Muse
VGA
Features
A6 4G
Panorama
R821T FInd Muse
-
Video
A6 4G
1080p@30fps
R821T FInd Muse
Loudspeaker
A6 4G
Yes, with stereo speakers
R821T FInd Muse
Yes
3.5mm jack
A6 4G
No
R821T FInd Muse
Yes
WLAN
A6 4G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R821T FInd Muse
Wi-Fi 802.11 b/g, hotspot
Bluetooth
A6 4G
5.0, A2DP, LE, aptX
R821T FInd Muse
Yes
Positioning
A6 4G
GPS, GALILEO, GLONASS, QZSS
R821T FInd Muse
GPS
NFC
A6 4G
Yes (market/region dependent)
R821T FInd Muse
No
Radio
A6 4G
Unspecified
R821T FInd Muse
FM radio
USB
A6 4G
USB Type-C 2.0, OTG
R821T FInd Muse
microUSB 2.0
Sensors
A6 4G
Fingerprint (side-mounted), accelerometer, proximity, compass
R821T FInd Muse
Accelerometer, proximity
Type
A6 4G
Si/C Li-Ion 7000 mAh
R821T FInd Muse
Li-Ion 1700 mAh, removable
Charging
A6 4G
45W wired, 33W PPS, 13.5W PD, 36% in 30 min 5W reverse wired
R821T FInd Muse
-
Colors
A6 4G
Sapphire Blue, Aurora Gold
R821T FInd Muse
White
Models
A6 4G
CPH2817
R821T FInd Muse
-
Price
A6 4G
-
R821T FInd Muse
About 290 EUR