Screen size
Razr 70 UltraWinner: 7.0"+54%
ROKR ZN503.2"
Quick verdict
Razr 70 Ultra leads the measured specs 20-3.
Measured wins
Razr 70 Ultra
20
spec wins
Overall winner
Ties
0
equal specs
ROKR ZN50
3
spec wins
Screen size
Technology
Razr 70 Ultra
GSM / HSPA / LTE / 5G
ROKR ZN50
GSM / HSPA
2G bands
Razr 70 Ultra
GSM 850 / 900 / 1800 / 1900
ROKR ZN50
GSM 900 / 1800 / 1900
3G bands
Razr 70 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
ROKR ZN50
HSDPA 2100
4G bands
Razr 70 Ultra
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71
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
SD card
Stereo speakers
ROKR ZN50
-
5G bands
Razr 70 Ultra
1, 2, 3, 5, 7, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6
ROKR ZN50
-
Speed
Razr 70 Ultra
HSPA, LTE, 5G
ROKR ZN50
HSPA 7.2/0.384 Mbps
Announced
Razr 70 Ultra
2026, April 29
ROKR ZN50
2009, July. Released 2009
Status
Razr 70 Ultra
Available. Released 2026, April 29
ROKR ZN50
Discontinued
Dimensions
Razr 70 Ultra
Unfolded: 171.5 x 74 x 7.2 mmFolded: 88.1 x 74 x 15.7 mm
ROKR ZN50
108.9 x 54 x 14.3 mm (4.29 x 2.13 x 0.56 in)
Weight
Razr 70 Ultra
199 g (7.02 oz)
ROKR ZN50
143 g (5.04 oz)
Build
Razr 70 Ultra
Plastic front (unfolded), glass front (folded, Gorilla Glass Ceramic), aluminum frame
ROKR ZN50
-
SIM
Razr 70 Ultra
Nano-SIM + eSIM
ROKR ZN50
Mini-SIM
Other
Razr 70 Ultra
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
ROKR ZN50
-
Type
Razr 70 Ultra
Foldable LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+, 5000 nits (peak)
ROKR ZN50
TFT resistive touchscreen, 256K colors
Size
Razr 70 Ultra
7.0 inches, 110.8 cm2 (~87.3% screen-to-body ratio)
ROKR ZN50
3.2 inches, 28.2 cm2 (~48.0% screen-to-body ratio)
Resolution
Razr 70 Ultra
1224 x 2992 pixels (~462 ppi density)
ROKR ZN50
240 x 427 pixels, 16:9 ratio (~153 ppi density)
Other
Razr 70 Ultra
Second external LTPO AMOLED, 1B colors, Dolby Vision, 165Hz, HDR10+, 3000 nits (peak) 4 inches, 1272 x 1080 pixels, 417 ppi, Gorilla Glass Ceramic
ROKR ZN50
-
OS
Razr 70 Ultra
Android 16
ROKR ZN50
-
Chipset
Razr 70 Ultra
Qualcomm Snapdragon 8 Elite (3 nm)
ROKR ZN50
-
CPU
Razr 70 Ultra
Octa-core (2x4.47 GHz Oryon+ 6x3.53 GHz Oryon)
ROKR ZN50
-
GPU
Razr 70 Ultra
Adreno 830
ROKR ZN50
-
Card slot
Razr 70 Ultra
No
ROKR ZN50
microSDHC (dedicated slot)
Internal
Razr 70 Ultra
512GB 16GB RAM
ROKR ZN50
-
Other
Razr 70 Ultra
UFS 4.0
ROKR ZN50
-
Phonebook
Razr 70 Ultra
-
ROKR ZN50
Yes
Call records
Razr 70 Ultra
-
ROKR ZN50
20 dialed, 20 received, 20 missed calls
Dual
Razr 70 Ultra
50 MP, f/1.8, (wide), 1/1.56", 2.0µm, PDAF, OIS 50 MP, f/2.0, 122˚ (ultrawide), 1/2.93", 1.2µm
ROKR ZN50
-
Features
Razr 70 Ultra
LED flash, panorama, HDR, Pantone Validated Colour and Skin Tones
ROKR ZN50
-
Video
Razr 70 Ultra
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, Dolby Vision HDR10+
ROKR ZN50
Yes
Single
Razr 70 Ultra
-
ROKR ZN50
3.15 MP, AF
Single
Razr 70 Ultra
50 MP, f/2.0, (wide), 1.28µm
ROKR ZN50
VGA
Video
Razr 70 Ultra
4K@30/60fps, 1080p@30/60fps
ROKR ZN50
Loudspeaker
Razr 70 Ultra
Yes, with stereo speakers (with Dolby Atmos)
ROKR ZN50
Yes
3.5mm jack
Razr 70 Ultra
No
ROKR ZN50
Yes
Other
Razr 70 Ultra
-
ROKR ZN50
SRS WOW HD technology
WLAN
Razr 70 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band
ROKR ZN50
No
Bluetooth
Razr 70 Ultra
5.4, A2DP, LE
ROKR ZN50
2.1, A2DP
Positioning
Razr 70 Ultra
GPS, GALILEO, GLONASS, BDS, QZSS
ROKR ZN50
GPS, A-GPS
NFC
Razr 70 Ultra
Yes
ROKR ZN50
-
Radio
Razr 70 Ultra
No
ROKR ZN50
FM radio, RDS
USB
Razr 70 Ultra
USB Type-C 2.0
ROKR ZN50
miniUSB
Sensors
Razr 70 Ultra
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
ROKR ZN50
Accelerometer
Messaging
Razr 70 Ultra
-
ROKR ZN50
SMS, MMS, Email
Browser
Razr 70 Ultra
-
ROKR ZN50
WAP 2.0/xHTML
Games
Razr 70 Ultra
-
ROKR ZN50
Yes
Java
Razr 70 Ultra
-
ROKR ZN50
Yes, MIDP 2.0
Other
Razr 70 Ultra
-
ROKR ZN50
T-DMB2 TV tuner SKT T-Map Navigation MP3/eAAC+/WMA player MP4/WMV/H.263 player Organizer Voice memo Predictive text input
Type
Razr 70 Ultra
5000 mAh
ROKR ZN50
Removable Li-Ion 950 mAh battery
Charging
Razr 70 Ultra
68W wired 30W wireless 5W reverse wired
ROKR ZN50
-
Stand-by
Razr 70 Ultra
-
ROKR ZN50
Up to 200 h
Talk time
Razr 70 Ultra
-
ROKR ZN50
Up to 4 h
Music play
Razr 70 Ultra
-
ROKR ZN50
Up to 30 h
Colors
Razr 70 Ultra
Pantone: Orient Blue, Cocoa
ROKR ZN50
Black
Price
Razr 70 Ultra
About 1390 EUR
ROKR ZN50
About 140 EUR
SAR
Razr 70 Ultra
-
ROKR ZN50
0.37 W/kg (head) 0.41 W/kg (body)