Screen size
KRZR K32.0"
Razr 70 UltraWinner: 7.0"+71%
Quick verdict
Razr 70 Ultra leads the measured specs 20-2.
Measured wins
KRZR K3
2
spec wins
Ties
1
equal specs
Razr 70 Ultra
20
spec wins
Overall winner
Screen size
Technology
KRZR K3
GSM / HSPA
Razr 70 Ultra
GSM / HSPA / LTE / 5G
2G bands
KRZR K3
GSM 900 / 1800 / 1900
Razr 70 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
KRZR K3
HSDPA 2100
Razr 70 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
KRZR K3
HSPA 3.6/0.384 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
equal specsSD card
Stereo speakers
Razr 70 Ultra
HSPA, LTE, 5G
4G bands
KRZR K3
-
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
KRZR K3
-
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
KRZR K3
2007, February
Razr 70 Ultra
2026, April 29
Status
KRZR K3
Discontinued
Razr 70 Ultra
Available. Released 2026, April 29
Dimensions
KRZR K3
103 x 42.3 x 16.3 mm, 63 cc (4.06 x 1.67 x 0.64 in)
Razr 70 Ultra
Unfolded: 171.5 x 74 x 7.2 mmFolded: 88.1 x 74 x 15.7 mm
Weight
KRZR K3
110 g (3.88 oz)
Razr 70 Ultra
199 g (7.02 oz)
SIM
KRZR K3
Mini-SIM
Razr 70 Ultra
Nano-SIM + eSIM
Build
KRZR K3
-
Razr 70 Ultra
Plastic front (unfolded), glass front (folded, Gorilla Glass Ceramic), aluminum frame
Other
KRZR K3
-
Razr 70 Ultra
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Type
KRZR K3
TFT, 256K colors
Razr 70 Ultra
Foldable LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+, 5000 nits (peak)
Size
KRZR K3
2.0 inches, 31 x 41 mm, 12.4 cm2 (~28.4% screen-to-body ratio)
Razr 70 Ultra
7.0 inches, 110.8 cm2 (~87.3% screen-to-body ratio)
Resolution
KRZR K3
240 x 320 pixels, 4:3 ratio (~200 ppi density)
Razr 70 Ultra
1224 x 2992 pixels (~462 ppi density)
Other
KRZR K3
Second external CSTN, 65K colors display (120 x 160 pixels) Screensavers and wallpapers Downloadable logos
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
Card slot
KRZR K3
microSD (dedicated slot)
Razr 70 Ultra
No
Phonebook
KRZR K3
1000 entries, Photocall
Razr 70 Ultra
-
Call records
KRZR K3
10 dialed, 10 received, 10 missed calls
Razr 70 Ultra
-
Internal
KRZR K3
50MB
Razr 70 Ultra
512GB 16GB RAM
Other
KRZR K3
-
Razr 70 Ultra
UFS 4.0
Single
KRZR K3
2 MP
Razr 70 Ultra
-
Video
KRZR K3
QCIF
Razr 70 Ultra
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, Dolby Vision HDR10+
Dual
KRZR K3
-
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
KRZR K3
-
Razr 70 Ultra
LED flash, panorama, HDR, Pantone Validated Colour and Skin Tones
Single
KRZR K3
VGA videocall camera
Razr 70 Ultra
50 MP, f/2.0, (wide), 1.28µm
Video
KRZR K3
Razr 70 Ultra
4K@30/60fps, 1080p@30/60fps
Loudspeaker
KRZR K3
Yes
Razr 70 Ultra
Yes, with stereo speakers (with Dolby Atmos)
Alert types
KRZR K3
Vibration; Downloadable polyphonic, MP3 ringtones
Razr 70 Ultra
-
3.5mm jack
KRZR K3
No
Razr 70 Ultra
No
WLAN
KRZR K3
No
Razr 70 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band
Bluetooth
KRZR K3
2.0, A2DP
Razr 70 Ultra
5.4, A2DP, LE
Positioning
KRZR K3
No
Razr 70 Ultra
GPS, GALILEO, GLONASS, BDS, QZSS
Radio
KRZR K3
No
Razr 70 Ultra
No
USB
KRZR K3
miniUSB
Razr 70 Ultra
USB Type-C 2.0
NFC
KRZR K3
-
Razr 70 Ultra
Yes
Sensors
KRZR K3
Razr 70 Ultra
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Messaging
KRZR K3
SMS, EMS, MMS, Email
Razr 70 Ultra
-
Browser
KRZR K3
HTML(Opera 8.0)
Razr 70 Ultra
-
Games
KRZR K3
Yes
Razr 70 Ultra
-
Java
KRZR K3
Yes, MIDP 2.0
Razr 70 Ultra
-
Other
KRZR K3
MP3/AAC/AAC+ player Predictive text input Organizer Voice command Voice memo
Razr 70 Ultra
-
Type
KRZR K3
Removable Li-Ion 910 mAh battery
Razr 70 Ultra
5000 mAh
Stand-by
KRZR K3
Up to 340 h
Razr 70 Ultra
-
Talk time
KRZR K3
Up to 3 h
Razr 70 Ultra
-
Charging
KRZR K3
-
Razr 70 Ultra
68W wired 30W wireless 5W reverse wired
Colors
KRZR K3
Dark Pearl Gray, Stone Gray
Razr 70 Ultra
Pantone: Orient Blue, Cocoa
SAR
KRZR K3
0.17 W/kg (head) 0.34 W/kg (body)
Razr 70 Ultra
-
SAR EU
KRZR K3
0.45 W/kg (head)
Razr 70 Ultra
-
Price
KRZR K3
About 80 EUR
Razr 70 Ultra
About 1390 EUR
OS
KRZR K3
-
Razr 70 Ultra
Android 16
Chipset
KRZR K3
-
Razr 70 Ultra
Qualcomm Snapdragon 8 Elite (3 nm)
CPU
KRZR K3
-
Razr 70 Ultra
Octa-core (2x4.47 GHz Oryon+ 6x3.53 GHz Oryon)
GPU
KRZR K3
-
Razr 70 Ultra
Adreno 830