Screen size
A33 (2015)5.0"
A6s ProWinner: 6.6"+24%
Quick verdict
A6s Pro leads the measured specs 17-3.
Measured wins
A33 (2015)
3
spec wins
Ties
3
equal specs
A6s Pro
17
spec wins
Overall winner
Screen size
Technology
A33 (2015)
GSM / HSPA / LTE
A6s Pro
GSM / HSPA / LTE
2G bands
A33 (2015)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
A6s Pro
GSM 850 / 900 / 1800 / 1900
3G bands
A33 (2015)
HSDPA 850 / 900 / 1900 / 2100 , TD-SCDMA
A6s Pro
HSDPA 850 / 900 / 2100
4G bands
A33 (2015)
1, 3, 38, 39, 40, 41
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
A6s Pro
LTE
Speed
A33 (2015)
HSPA, LTE
A6s Pro
HSPA, LTE
Announced
A33 (2015)
2015, November. Released 2015, November
A6s Pro
2026, February 24
Status
A33 (2015)
Discontinued
A6s Pro
Available. Released 2026, March 03
Dimensions
A33 (2015)
142.7 x 71.7 x 7.6 mm (5.62 x 2.82 x 0.30 in)
A6s Pro
158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in)
Weight
A33 (2015)
146 g (5.15 oz)
A6s Pro
190 g (6.70 oz)
SIM
A33 (2015)
Nano-SIM + Micro-SIM
A6s Pro
Nano-SIM + Nano-SIM
Build
A33 (2015)
-
A6s Pro
Glass front, plastic frame, plastic back
Other
A33 (2015)
-
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
Type
A33 (2015)
IPS LCD
A6s Pro
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
Size
A33 (2015)
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
A6s Pro
6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio)
Resolution
A33 (2015)
540 x 960 pixels, 16:9 ratio (~220 ppi density)
A6s Pro
1080 x 2372 pixels (~397 ppi density)
Protection
A33 (2015)
-
A6s Pro
AGC DT-Star D+
OS
A33 (2015)
Android 5.1 (Lollipop), ColorOS 2.1
A6s Pro
Android 16, ColorOS 16
Chipset
A33 (2015)
Qualcomm MSM8916 Snapdragon 410 (28 nm)
A6s Pro
Mediatek Helio G100 Max (6 nm)
CPU
A33 (2015)
Quad-core 1.2 GHz Cortex-A53
A6s Pro
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A33 (2015)
Adreno 306
A6s Pro
Mali-G57 MC2
Card slot
A33 (2015)
microSDXC (dedicated slot)
A6s Pro
microSDXC
Internal
A33 (2015)
16GB 2GB RAM
A6s Pro
256GB 8GB RAM
Other
A33 (2015)
eMMC 4.5
A6s Pro
UFS 2.2
Single
A33 (2015)
8 MP, 1/3.2", 1.4µm, AF
A6s Pro
-
Features
A33 (2015)
LED flash, HDR, panorama
A6s Pro
LED flash, HDR, panorama
Video
A33 (2015)
1080p@30fps
A6s Pro
1080p@30/60/120fps
Dual
A33 (2015)
-
A6s Pro
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
A33 (2015)
5 MP
A6s Pro
50 MP, (wide)
Video
A33 (2015)
720p@30fps
A6s Pro
1080p@30fps
Features
A33 (2015)
-
A6s Pro
Panorama
Loudspeaker
A33 (2015)
Yes
A6s Pro
Yes, with stereo speakers
3.5mm jack
A33 (2015)
Yes
A6s Pro
No
WLAN
A33 (2015)
Wi-Fi 802.11 b/g/n
A6s Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A33 (2015)
4.0, A2DP
A6s Pro
5.4, A2DP, LE, aptX HD
Positioning
A33 (2015)
GPS
A6s Pro
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
A33 (2015)
No
A6s Pro
Yes (market/region dependent)
Radio
A33 (2015)
FM radio
A6s Pro
Unspecified
USB
A33 (2015)
microUSB 2.0, OTG
A6s Pro
USB Type-C 2.0, OTG
Sensors
A33 (2015)
Accelerometer, proximity, compass
A6s Pro
Fingerprint (under display, optical), accelerometer, gyro, proximity
Type
A33 (2015)
Li-Po 2400 mAh, non-removable
A6s Pro
Si/C Li-Ion 7000 mAh
Stand-by
A33 (2015)
Up to 250 h (3G)
A6s Pro
-
Talk time
A33 (2015)
Up to 8 h (3G)
A6s Pro
-
Charging
A33 (2015)
-
A6s Pro
80W wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
A33 (2015)
White
A6s Pro
Lumina Frost, Eclipse Blue
Price
A33 (2015)
About 240 EUR
A6s Pro
About 280 EUR