Screen size
ROG Phone 6Winner: 6.8"+19%
Zenfone Selfie ZD551KL5.5"
Quick verdict
ROG Phone 6 leads the measured specs 17-4.
Measured wins
ROG Phone 6
17
spec wins
Overall winner
Ties
1
equal specs
Zenfone Selfie ZD551KL
4
spec wins
Screen size
Technology
ROG Phone 6
GSM / CDMA / HSPA / LTE / 5G
Zenfone Selfie ZD551KL
GSM / HSPA / LTE
2G bands
ROG Phone 6
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Zenfone Selfie ZD551KL
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 Selfie ZD551KL
HSDPA 850 / 900 / 1900 / 2100
4G bands
ROG Phone 6
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
3.5mm jack
equal specsSD card
Stereo speakers
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 Selfie ZD551KL
1, 2, 3, 5, 7, 8, 20 - Global, 1, 2, 3, 5, 6, 8, 9, 18, 19, 28 - Taiwan, 1, 2, 3, 4, 5, 7, 8, 17, 20 - USA, 1, 3 - 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 Selfie ZD551KL
-
Speed
ROG Phone 6
HSPA 42.2/5.76 Mbps, LTE (6CA) Cat20 2024/210 Mbps, 5G
Zenfone Selfie ZD551KL
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
ROG Phone 6
2022, July 05
Zenfone Selfie ZD551KL
2015, June. Released 2015, August
Status
ROG Phone 6
Available. Released 2022, July 13
Zenfone Selfie ZD551KL
Discontinued
Dimensions
ROG Phone 6
173 x 77 x 10.3 mm (6.81 x 3.03 x 0.41 in)
Zenfone Selfie ZD551KL
156.5 x 77.2 x 10.8 mm (6.16 x 3.04 x 0.43 in)
Weight
ROG Phone 6
239 g (8.43 oz)
Zenfone Selfie ZD551KL
170 g (6.00 oz)
Build
ROG Phone 6
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Zenfone Selfie ZD551KL
Glass front (Gorilla Glass 4), plastic back, plastic frame
SIM
ROG Phone 6
Nano-SIM + Nano-SIM
Zenfone Selfie ZD551KL
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 Selfie ZD551KL
-
Type
ROG Phone 6
AMOLED, 1B colors, 165Hz, HDR10+, 800 nits (typ), 1200 nits (peak)
Zenfone Selfie ZD551KL
IPS LCD
Size
ROG Phone 6
6.78 inches, 109.5 cm2 (~82.2% screen-to-body ratio)
Zenfone Selfie ZD551KL
5.5 inches, 82.6 cm2 (~68.3% screen-to-body ratio)
Resolution
ROG Phone 6
1080 x 2448 pixels (~395 ppi density)
Zenfone Selfie ZD551KL
1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Protection
ROG Phone 6
Corning Gorilla Glass Victus
Zenfone Selfie ZD551KL
Corning Gorilla Glass 4, oleophobic coating
OS
ROG Phone 6
Android 12, upgradable to Android 13
Zenfone Selfie ZD551KL
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Chipset
ROG Phone 6
Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
Zenfone Selfie ZD551KL
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
ROG Phone 6
Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
Zenfone Selfie ZD551KL
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
ROG Phone 6
Adreno 730
Zenfone Selfie ZD551KL
Adreno 405
Card slot
ROG Phone 6
No
Zenfone Selfie ZD551KL
microSDXC (dedicated slot)
Internal
ROG Phone 6
128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM
Zenfone Selfie ZD551KL
16GB 2GB RAM, 32GB 3GB RAM
Other
ROG Phone 6
UFS 3.1 NTFS support for external storage
Zenfone Selfie ZD551KL
eMMC 4.5
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 Selfie ZD551KL
-
Features
ROG Phone 6
LED flash, HDR, panorama
Zenfone Selfie ZD551KL
Laser AF, 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 Selfie ZD551KL
1080p@30fps
Single
ROG Phone 6
-
Zenfone Selfie ZD551KL
13 MP, f/2.0, 28mm (wide), 1/3.0"
Single
ROG Phone 6
12 MP, 28mm (wide)
Zenfone Selfie ZD551KL
13 MP, f/2.2, 1/3.1", 1.12µm, AF
Features
ROG Phone 6
Panorama, HDR
Zenfone Selfie ZD551KL
Dual-LED dual-tone flash
Video
ROG Phone 6
1080p@30fps
Zenfone Selfie ZD551KL
1080p@30fps
Loudspeaker
ROG Phone 6
Yes, with stereo speakers (2 amplifiers)
Zenfone Selfie ZD551KL
Yes
3.5mm jack
ROG Phone 6
Yes
Zenfone Selfie ZD551KL
Yes
Other
ROG Phone 6
32-bit/384kHz Hi-Res audio Snapdragon Sound
Zenfone Selfie ZD551KL
-
WLAN
ROG Phone 6
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Zenfone Selfie ZD551KL
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 Selfie ZD551KL
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 Selfie ZD551KL
GPS, GLONASS, BDS
NFC
ROG Phone 6
Yes
Zenfone Selfie ZD551KL
No
Radio
ROG Phone 6
No
Zenfone Selfie ZD551KL
FM radio, RDS
USB
ROG Phone 6
USB Type-C 3.1 (side), USB Type-C 2.0 (bottom), OTG, accessory connector
Zenfone Selfie ZD551KL
microUSB 2.0, OTG
Sensors
ROG Phone 6
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Zenfone Selfie ZD551KL
Accelerometer, gyro, proximity, compass
Type
ROG Phone 6
Li-Po 6000 mAh
Zenfone Selfie ZD551KL
Li-Po 3000 mAh, removable
Charging
ROG Phone 6
65W wired, PD3.0, QC5, 100% in 42 min 10W reverse wired
Zenfone Selfie ZD551KL
-
Colors
ROG Phone 6
Phantom Black, Storm White
Zenfone Selfie ZD551KL
Pure White, Chic Pink, Aqua Blue
Models
ROG Phone 6
AI2201_C, AI2201_F, AI2201-1A030EU, AI2201_A, AI2201-1A029EU
Zenfone Selfie ZD551KL
Z00UD, Z00UDH, Z00UDC, Z00UDB
Price
ROG Phone 6
About 760 EUR
Zenfone Selfie ZD551KL
About 280 EUR