Screen size
A31002.8"
Razr 70 UltraWinner: 7.0"+60%
Quick verdict
Razr 70 Ultra leads the measured specs 20-3.
Measured wins
A3100
3
spec wins
Ties
0
equal specs
Razr 70 Ultra
20
spec wins
Overall winner
Screen size
Technology
A3100
GSM / HSPA
Razr 70 Ultra
GSM / HSPA / LTE / 5G
2G bands
A3100
GSM 850 / 900 / 1800 / 1900
Razr 70 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
A3100
HSDPA 850 / 1900 / 2100
Razr 70 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
A3100
HSPA 7.2/0.384 Mbps
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
Razr 70 Ultra
HSPA, LTE, 5G
4G bands
A3100
-
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
5G bands
A3100
-
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
Announced
A3100
2009, January. Released 2009, March
Razr 70 Ultra
2026, April 29
Status
A3100
Discontinued
Razr 70 Ultra
Available. Released 2026, April 29
Dimensions
A3100
110 x 59.7 x 13.7 mm (4.33 x 2.35 x 0.54 in)
Razr 70 Ultra
Unfolded: 171.5 x 74 x 7.2 mmFolded: 88.1 x 74 x 15.7 mm
Weight
A3100
119 g (4.20 oz)
Razr 70 Ultra
199 g (7.02 oz)
SIM
A3100
Mini-SIM
Razr 70 Ultra
Nano-SIM + eSIM
Build
A3100
-
Razr 70 Ultra
Plastic front (unfolded), glass front (folded, Gorilla Glass Ceramic), aluminum frame
Other
A3100
-
Razr 70 Ultra
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Type
A3100
TFT resistive touchscreen, 65K colors
Razr 70 Ultra
Foldable LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+, 5000 nits (peak)
Size
A3100
2.8 inches, 24.3 cm2 (~37.0% screen-to-body ratio)
Razr 70 Ultra
7.0 inches, 110.8 cm2 (~87.3% screen-to-body ratio)
Resolution
A3100
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Razr 70 Ultra
1224 x 2992 pixels (~462 ppi density)
Other
A3100
Handwriting recognition
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
OS
A3100
Microsoft Windows Mobile 6.1 Professional
Razr 70 Ultra
Android 16
Chipset
A3100
Qualcomm MSM7201A
Razr 70 Ultra
Qualcomm Snapdragon 8 Elite (3 nm)
CPU
A3100
528 MHz ARM 11
Razr 70 Ultra
Octa-core (2x4.47 GHz Oryon+ 6x3.53 GHz Oryon)
GPU
A3100
Adreno 130
Razr 70 Ultra
Adreno 830
Card slot
A3100
microSDHC (dedicated slot)
Razr 70 Ultra
No
Internal
A3100
256MB 128MB RAM
Razr 70 Ultra
512GB 16GB RAM
Other
A3100
-
Razr 70 Ultra
UFS 4.0
Single
A3100
3.15 MP, AF
Razr 70 Ultra
-
Features
A3100
LED flash
Razr 70 Ultra
LED flash, panorama, HDR, Pantone Validated Colour and Skin Tones
Video
A3100
Yes
Razr 70 Ultra
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, Dolby Vision HDR10+
Dual
A3100
-
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
Single
A3100
VGA videocall camera
Razr 70 Ultra
50 MP, f/2.0, (wide), 1.28µm
Video
A3100
Razr 70 Ultra
4K@30/60fps, 1080p@30/60fps
Loudspeaker
A3100
Yes
Razr 70 Ultra
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
A3100
Yes
Razr 70 Ultra
No
WLAN
A3100
Wi-Fi 802.11 b/g
Razr 70 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band
Bluetooth
A3100
2.0, A2DP
Razr 70 Ultra
5.4, A2DP, LE
Positioning
A3100
GPS, A-GPS
Razr 70 Ultra
GPS, GALILEO, GLONASS, BDS, QZSS
Radio
A3100
No
Razr 70 Ultra
No
USB
A3100
miniUSB
Razr 70 Ultra
USB Type-C 2.0
NFC
A3100
-
Razr 70 Ultra
Yes
Sensors
A3100
Razr 70 Ultra
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Browser
A3100
WAP 2.0/xHTML, HTML
Razr 70 Ultra
-
Other
A3100
Pocket Office Voice memo MP3/WMA/MP4/WMV player
Razr 70 Ultra
-
Type
A3100
Removable Li-Ion 1170 mAh battery
Razr 70 Ultra
5000 mAh
Stand-by
A3100
Up to 298 h
Razr 70 Ultra
-
Talk time
A3100
Up to 6 h 48 min
Razr 70 Ultra
-
Charging
A3100
-
Razr 70 Ultra
68W wired 30W wireless 5W reverse wired
Colors
A3100
Black
Razr 70 Ultra
Pantone: Orient Blue, Cocoa
SAR
A3100
1.31 W/kg (head) 1.33 W/kg (body)
Razr 70 Ultra
-
SAR EU
A3100
0.93 W/kg (head)
Razr 70 Ultra
-
Price
A3100
About 150 EUR
Razr 70 Ultra
About 1390 EUR