Screen size
FIRE XT3112.8"
Razr 70 UltraWinner: 7.0"+60%
Quick verdict
Razr 70 Ultra leads the measured specs 19-3.
Measured wins
FIRE XT311
3
spec wins
Ties
1
equal specs
Razr 70 Ultra
19
spec wins
Overall winner
Screen size
Technology
FIRE XT311
GSM / HSPA
Razr 70 Ultra
GSM / HSPA / LTE / 5G
2G bands
FIRE XT311
GSM 850 / 900 / 1800 / 1900
Razr 70 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
FIRE XT311
HSDPA 900 / 2100
Razr 70 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
FIRE XT311
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
equal specs5G support
NFC
3.5mm jack
SD card
Stereo speakers
Razr 70 Ultra
HSPA, LTE, 5G
4G bands
FIRE XT311
-
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
FIRE XT311
-
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
FIRE XT311
2011, July. Released 2011, September
Razr 70 Ultra
2026, April 29
Status
FIRE XT311
Discontinued
Razr 70 Ultra
Available. Released 2026, April 29
Dimensions
FIRE XT311
116.5 x 58 x 13.5 mm (4.59 x 2.28 x 0.53 in)
Razr 70 Ultra
Unfolded: 171.5 x 74 x 7.2 mmFolded: 88.1 x 74 x 15.7 mm
Weight
FIRE XT311
110 g (3.88 oz)
Razr 70 Ultra
199 g (7.02 oz)
Keyboard
FIRE XT311
QWERTY
Razr 70 Ultra
-
SIM
FIRE XT311
Mini-SIM
Razr 70 Ultra
Nano-SIM + eSIM
Build
FIRE XT311
-
Razr 70 Ultra
Plastic front (unfolded), glass front (folded, Gorilla Glass Ceramic), aluminum frame
Other
FIRE XT311
-
Razr 70 Ultra
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Type
FIRE XT311
TFT, 256K colors
Razr 70 Ultra
Foldable LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+, 5000 nits (peak)
Size
FIRE XT311
2.8 inches, 24.3 cm2 (~35.9% screen-to-body ratio)
Razr 70 Ultra
7.0 inches, 110.8 cm2 (~87.3% screen-to-body ratio)
Resolution
FIRE XT311
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Razr 70 Ultra
1224 x 2992 pixels (~462 ppi density)
Other
FIRE XT311
Moto Switch UI
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
FIRE XT311
Android 2.3.4 (Gingerbread)
Razr 70 Ultra
Android 16
Chipset
FIRE XT311
Qualcomm MSM7227-1 Snapdragon S1
Razr 70 Ultra
Qualcomm Snapdragon 8 Elite (3 nm)
CPU
FIRE XT311
600 MHz ARM 11
Razr 70 Ultra
Octa-core (2x4.47 GHz Oryon+ 6x3.53 GHz Oryon)
GPU
FIRE XT311
Adreno 200
Razr 70 Ultra
Adreno 830
Card slot
FIRE XT311
microSDHC (dedicated slot)
Razr 70 Ultra
No
Internal
FIRE XT311
512MB 256MB RAM
Razr 70 Ultra
512GB 16GB RAM
Other
FIRE XT311
-
Razr 70 Ultra
UFS 4.0
Single
FIRE XT311
3.15 MP
Razr 70 Ultra
-
Video
FIRE XT311
480p@24fps
Razr 70 Ultra
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, Dolby Vision HDR10+
Dual
FIRE XT311
-
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
Features
FIRE XT311
-
Razr 70 Ultra
LED flash, panorama, HDR, Pantone Validated Colour and Skin Tones
Other
FIRE XT311
No
Razr 70 Ultra
-
Single
FIRE XT311
-
Razr 70 Ultra
50 MP, f/2.0, (wide), 1.28µm
Video
FIRE XT311
-
Razr 70 Ultra
4K@30/60fps, 1080p@30/60fps
Loudspeaker
FIRE XT311
Yes
Razr 70 Ultra
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
FIRE XT311
Yes
Razr 70 Ultra
No
WLAN
FIRE XT311
Wi-Fi 802.11 b/g/n
Razr 70 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band
Bluetooth
FIRE XT311
2.1, A2DP, EDR
Razr 70 Ultra
5.4, A2DP, LE
Positioning
FIRE XT311
GPS, A-GPS
Razr 70 Ultra
GPS, GALILEO, GLONASS, BDS, QZSS
Radio
FIRE XT311
Stereo FM radio, RDS
Razr 70 Ultra
No
USB
FIRE XT311
microUSB 2.0
Razr 70 Ultra
USB Type-C 2.0
NFC
FIRE XT311
-
Razr 70 Ultra
Yes
Sensors
FIRE XT311
Accelerometer, proximity, compass
Razr 70 Ultra
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Other
FIRE XT311
MP3/WAV/eAAC+ player MP4/H.264 player Document viewer Photo viewer Organizer Voice memo/dial Predictive text input
Razr 70 Ultra
-
Type
FIRE XT311
Removable Li-Ion 1420 mAh battery
Razr 70 Ultra
5000 mAh
Stand-by
FIRE XT311
Up to 720 h (3G)
Razr 70 Ultra
-
Talk time
FIRE XT311
Up to 9 h 16 min (2G) / Up to 8 h (3G)
Razr 70 Ultra
-
Charging
FIRE XT311
-
Razr 70 Ultra
68W wired 30W wireless 5W reverse wired
Colors
FIRE XT311
Black
Razr 70 Ultra
Pantone: Orient Blue, Cocoa
SAR
FIRE XT311
0.96 W/kg (head) 1.11 W/kg (body)
Razr 70 Ultra
-
Price
FIRE XT311
About 120 EUR
Razr 70 Ultra
About 1390 EUR