Screen size
ROG Phone 6Winner: 6.8"+19%
Zenfone 2 ZE551ML5.5"
Quick verdict
ROG Phone 6 leads the measured specs 17-3.
Measured wins
ROG Phone 6
17
spec wins
Overall winner
Ties
2
equal specs
Zenfone 2 ZE551ML
3
spec wins
Screen size
Technology
ROG Phone 6
GSM / CDMA / HSPA / LTE / 5G
Zenfone 2 ZE551ML
GSM / HSPA / LTE
2G bands
ROG Phone 6
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Zenfone 2 ZE551ML
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
ROG Phone 6
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - Version A, Version C, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Version B
Zenfone 2 ZE551ML
HSDPA 850 / 900 / 1900 / 2100 , TD-SCDMA - China & India
4G bands
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
5G support
NFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
ROG Phone 6
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71, - Version A, 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 32, 34, 38, 39, 40, 41, 42, 48 - Version B, 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48 - Version C
Zenfone 2 ZE551ML
1, 2, 3, 4, 5, 8, 9, 18, 19, 28 - Taiwan, 1, 2, 3, 4, 5, 7, 8, 20 - Global, 1, 2, 3, 4, 5, 7, 8, 17, 20 - US, 1, 3, 38, 39, 40, 41 - China & India
5G bands
ROG Phone 6
1, 2, 3, 5, 7, 8, 12, 13, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79 SA/NSA/Sub6 - Version A, 1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - Version B, 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6 - Version C
Zenfone 2 ZE551ML
-
Speed
ROG Phone 6
HSPA 42.2/5.76 Mbps, LTE (6CA) Cat20 2024/210 Mbps, 5G
Zenfone 2 ZE551ML
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
ROG Phone 6
2022, July 05
Zenfone 2 ZE551ML
2015, January. Released 2015, March
Status
ROG Phone 6
Available. Released 2022, July 13
Zenfone 2 ZE551ML
Discontinued
Dimensions
ROG Phone 6
173 x 77 x 10.3 mm (6.81 x 3.03 x 0.41 in)
Zenfone 2 ZE551ML
152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in)
Weight
ROG Phone 6
239 g (8.43 oz)
Zenfone 2 ZE551ML
170 g (6.00 oz)
Build
ROG Phone 6
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Zenfone 2 ZE551ML
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
ROG Phone 6
Nano-SIM + Nano-SIM
Zenfone 2 ZE551ML
Dual SIM (Micro-SIM, dual stand-by)
Other
ROG Phone 6
IPX4 water resistant Illuminated RGB logo (on the back) Pressure sensitive zones (Gaming triggers)
Zenfone 2 ZE551ML
-
Type
ROG Phone 6
AMOLED, 1B colors, 165Hz, HDR10+, 800 nits (typ), 1200 nits (peak)
Zenfone 2 ZE551ML
IPS LCD
Size
ROG Phone 6
6.78 inches, 109.5 cm2 (~82.2% screen-to-body ratio)
Zenfone 2 ZE551ML
5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio)
Resolution
ROG Phone 6
1080 x 2448 pixels (~395 ppi density)
Zenfone 2 ZE551ML
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
ROG Phone 6
Corning Gorilla Glass Victus
Zenfone 2 ZE551ML
Corning Gorilla Glass 3
OS
ROG Phone 6
Android 12, upgradable to Android 13
Zenfone 2 ZE551ML
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Chipset
ROG Phone 6
Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
Zenfone 2 ZE551ML
Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model)
CPU
ROG Phone 6
Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
Zenfone 2 ZE551ML
Quad-core 2.3 GHz (4 GB RAM model)Quad-core 1.8 GHz (2 GB RAM model)
GPU
ROG Phone 6
Adreno 730
Zenfone 2 ZE551ML
PowerVR G6430
Card slot
ROG Phone 6
No
Zenfone 2 ZE551ML
microSDXC (dedicated slot)
Internal
ROG Phone 6
128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM
Zenfone 2 ZE551ML
16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
Other
ROG Phone 6
UFS 3.1 NTFS support for external storage
Zenfone 2 ZE551ML
-
Triple
ROG Phone 6
50 MP, f/1.9, (wide), 1/1.56", 1.0µm, PDAF 13 MP, f/2.2, (ultrawide) 5 MP (macro)
Zenfone 2 ZE551ML
-
Features
ROG Phone 6
LED flash, HDR, panorama
Zenfone 2 ZE551ML
Dual-LED dual-tone flash, panorama, HDR
Video
ROG Phone 6
8K@24fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS
Zenfone 2 ZE551ML
1080p@30fps
Single
ROG Phone 6
-
Zenfone 2 ZE551ML
13 MP, f/2.0, AF
Single
ROG Phone 6
12 MP, 28mm (wide)
Zenfone 2 ZE551ML
5 MP, f/2.0
Features
ROG Phone 6
Panorama, HDR
Zenfone 2 ZE551ML
-
Video
ROG Phone 6
1080p@30fps
Zenfone 2 ZE551ML
Loudspeaker
ROG Phone 6
Yes, with stereo speakers (2 amplifiers)
Zenfone 2 ZE551ML
Yes
3.5mm jack
ROG Phone 6
Yes
Zenfone 2 ZE551ML
Yes
Other
ROG Phone 6
32-bit/384kHz Hi-Res audio Snapdragon Sound
Zenfone 2 ZE551ML
-
WLAN
ROG Phone 6
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Zenfone 2 ZE551ML
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth
ROG Phone 6
5.2, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
Zenfone 2 ZE551ML
4.0, A2DP, EDR
Positioning
ROG Phone 6
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Zenfone 2 ZE551ML
GPS, GLONASS
NFC
ROG Phone 6
Yes
Zenfone 2 ZE551ML
Yes
Radio
ROG Phone 6
No
Zenfone 2 ZE551ML
FM radio, RDS
USB
ROG Phone 6
USB Type-C 3.1 (side), USB Type-C 2.0 (bottom), OTG, accessory connector
Zenfone 2 ZE551ML
microUSB 2.0, OTG
Sensors
ROG Phone 6
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Zenfone 2 ZE551ML
Accelerometer, gyro, proximity, compass
Type
ROG Phone 6
Li-Po 6000 mAh
Zenfone 2 ZE551ML
Li-Po 3000 mAh, non-removable
Charging
ROG Phone 6
65W wired, PD3.0, QC5, 100% in 42 min 10W reverse wired
Zenfone 2 ZE551ML
18W wired, 60% in 40 min
Colors
ROG Phone 6
Phantom Black, Storm White
Zenfone 2 ZE551ML
Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White
Models
ROG Phone 6
AI2201_C, AI2201_F, AI2201-1A030EU, AI2201_A, AI2201-1A029EU
Zenfone 2 ZE551ML
Z00AD, Z00A
Price
ROG Phone 6
About 760 EUR
Zenfone 2 ZE551ML
About 300 EUR
SAR EU
ROG Phone 6
-
Zenfone 2 ZE551ML
0.35 W/kg (head)