Screen size
Razr 70 UltraWinner: 7.0"+69%
RIZR Z102.2"
Quick verdict
Razr 70 Ultra leads the measured specs 20-2.
Measured wins
Razr 70 Ultra
20
spec wins
Overall winner
Ties
1
equal specs
RIZR Z10
2
spec wins
Screen size
Technology
Razr 70 Ultra
GSM / HSPA / LTE / 5G
RIZR Z10
GSM / HSPA
2G bands
Razr 70 Ultra
GSM 850 / 900 / 1800 / 1900
RIZR Z10
GSM 850 / 900 / 1800 / 1900
3G bands
Razr 70 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
RIZR Z10
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
equal specsSD card
Stereo speakers
RIZR Z10
-
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
RIZR Z10
-
Speed
Razr 70 Ultra
HSPA, LTE, 5G
RIZR Z10
HSPA 3.6/0.384 Mbps
Announced
Razr 70 Ultra
2026, April 29
RIZR Z10
2007, September. Released 2008, May
Status
Razr 70 Ultra
Available. Released 2026, April 29
RIZR Z10
Discontinued
Dimensions
Razr 70 Ultra
Unfolded: 171.5 x 74 x 7.2 mmFolded: 88.1 x 74 x 15.7 mm
RIZR Z10
109.7 x 50.7 x 16.8 mm (4.32 x 2.00 x 0.66 in)
Weight
Razr 70 Ultra
199 g (7.02 oz)
RIZR Z10
119 g (4.20 oz)
Build
Razr 70 Ultra
Plastic front (unfolded), glass front (folded, Gorilla Glass Ceramic), aluminum frame
RIZR Z10
-
SIM
Razr 70 Ultra
Nano-SIM + eSIM
RIZR Z10
Mini-SIM
Other
Razr 70 Ultra
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
RIZR Z10
-
Type
Razr 70 Ultra
Foldable LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+, 5000 nits (peak)
RIZR Z10
TFT, 16M colors
Size
Razr 70 Ultra
7.0 inches, 110.8 cm2 (~87.3% screen-to-body ratio)
RIZR Z10
2.2 inches, 15.0 cm2 (~26.9% screen-to-body ratio)
Resolution
Razr 70 Ultra
1224 x 2992 pixels (~462 ppi density)
RIZR Z10
240 x 320 pixels, 4:3 ratio (~182 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
RIZR Z10
Screensavers and wallpapers
Protection
Razr 70 Ultra
-
RIZR Z10
Scratch-resistant glass
OS
Razr 70 Ultra
Android 16
RIZR Z10
Symbian 9.2, UIQ 3.2
Chipset
Razr 70 Ultra
Qualcomm Snapdragon 8 Elite (3 nm)
RIZR Z10
TI OMAP 2420
CPU
Razr 70 Ultra
Octa-core (2x4.47 GHz Oryon+ 6x3.53 GHz Oryon)
RIZR Z10
300 MHz ARM 1136
GPU
Razr 70 Ultra
Adreno 830
RIZR Z10
PowerVR MBX
Card slot
Razr 70 Ultra
No
RIZR Z10
microSDHC (dedicated slot)
Internal
Razr 70 Ultra
512GB 16GB RAM
RIZR Z10
70MB 64MB RAM 128MB ROM
Other
Razr 70 Ultra
UFS 4.0
RIZR Z10
-
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
RIZR Z10
-
Features
Razr 70 Ultra
LED flash, panorama, HDR, Pantone Validated Colour and Skin Tones
RIZR Z10
LED flash
Video
Razr 70 Ultra
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, Dolby Vision HDR10+
RIZR Z10
320p@30fps
Single
Razr 70 Ultra
-
RIZR Z10
3.15 MP, AF
Single
Razr 70 Ultra
50 MP, f/2.0, (wide), 1.28µm
RIZR Z10
VGA videocall camera
Video
Razr 70 Ultra
4K@30/60fps, 1080p@30/60fps
RIZR Z10
Loudspeaker
Razr 70 Ultra
Yes, with stereo speakers (with Dolby Atmos)
RIZR Z10
Yes
3.5mm jack
Razr 70 Ultra
No
RIZR Z10
No
Alert types
Razr 70 Ultra
-
RIZR Z10
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Razr 70 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band
RIZR Z10
No
Bluetooth
Razr 70 Ultra
5.4, A2DP, LE
RIZR Z10
2.0, A2DP
Positioning
Razr 70 Ultra
GPS, GALILEO, GLONASS, BDS, QZSS
RIZR Z10
No
NFC
Razr 70 Ultra
Yes
RIZR Z10
-
Radio
Razr 70 Ultra
No
RIZR Z10
No
USB
Razr 70 Ultra
USB Type-C 2.0
RIZR Z10
miniUSB 1.1
Sensors
Razr 70 Ultra
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
RIZR Z10
Browser
Razr 70 Ultra
-
RIZR Z10
WAP 2.0/xHTML
Other
Razr 70 Ultra
-
RIZR Z10
MP3/AAC/AAC+/WAV/MP4/WMA/iMelody player Predictive text input Organizer Voice memo
Type
Razr 70 Ultra
5000 mAh
RIZR Z10
Removable Li-Ion 1130 mAh battery
Charging
Razr 70 Ultra
68W wired 30W wireless 5W reverse wired
RIZR Z10
-
Stand-by
Razr 70 Ultra
-
RIZR Z10
Up to 400 h
Talk time
Razr 70 Ultra
-
RIZR Z10
Up to 7 h
Colors
Razr 70 Ultra
Pantone: Orient Blue, Cocoa
RIZR Z10
Black, Chrome
Price
Razr 70 Ultra
About 1390 EUR
RIZR Z10
About 150 EUR
SAR
Razr 70 Ultra
-
RIZR Z10
1.39 W/kg (head) 0.62 W/kg (body)
SAR EU
Razr 70 Ultra
-
RIZR Z10
1.10 W/kg (head)