Screen size
X3006.3"
X300 UltraWinner: 6.8"+7.5%
Quick verdict
X300 Ultra leads the measured specs 8-4.
Measured wins
X300
4
spec wins
Ties
11
equal specs
X300 Ultra
8
spec wins
Overall winner
Screen size
Technology
X300
GSM / HSPA / LTE / 5G
X300 Ultra
GSM / HSPA / LTE / 5G
2G bands
X300
GSM 850 / 900 / 1800 / 1900
X300 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
X300
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, HSDPA 850 / 900 / 2100 - Malaysia, India, HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - China
X300 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands
X300
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specs1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
X300 Ultra
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G bands
X300
1, 2, 3, 5, 7, 8, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78 SA/NSA/Sub6
X300 Ultra
1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA
Speed
X300
HSPA, LTE, 5G
X300 Ultra
HSPA, LTE, 5G
Announced
X300
2025, October 13
X300 Ultra
2026, March 30
Status
X300
Available. Released 2025, October 17
X300 Ultra
Available. Released 2026, April 03
Dimensions
X300
150.6 x 71.9 x 8 mm (5.93 x 2.83 x 0.31 in)
X300 Ultra
163 x 76.8 x 8.2 mm or 8.5 mm
Weight
X300
190 g (6.70 oz)
X300 Ultra
232 g or 237 g (8.18 oz)
Build
X300
Glass front, aluminum alloy frame, glass back
X300 Ultra
Glass front, glass back, aluminum frame
SIM
X300
· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - China
X300 Ultra
· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - China
Other
X300
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
X300 Ultra
IP68/IP69 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
X300
LTPO AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, HDR Vivid, 4500 nits (peak)
X300 Ultra
LTPO AMOLED, 1B colors, 144Hz, 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid
Size
X300
6.31 inches, 98.0 cm2 (~90.5% screen-to-body ratio)
X300 Ultra
6.82 inches, 113.0 cm2 (~90.3% screen-to-body ratio)
Resolution
X300
1216 x 2640 pixels, 19.5:9 ratio (~460 ppi density)
X300 Ultra
1440 x 3168 pixels (~510 ppi density)
Protection
X300
Reinforced Glass, Mohs level 4
X300 Ultra
Armor glass, Mohs level 4
Other
X300
Ultra HDR image support
X300 Ultra
Ultra HDR image support
OS
X300
Android 16, up to 5 major Android upgrades, OriginOS 6
X300 Ultra
Android 16, OriginOS 6
Chipset
X300
Mediatek Dimensity 9500 (3 nm)
X300 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
X300
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
X300 Ultra
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
X300
Arm G1-Ultra
X300 Ultra
Adreno 840
Card slot
X300
No
X300 Ultra
No
Internal
X300
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
X300 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Other
X300
UFS 4.1
X300 Ultra
UFS 4.1
Triple
X300
200 MP, f/1.7, 23mm (wide), 1/1.4", 0.56µm, PDAF, OIS 50 MP, f/2.6, 70mm (periscope telephoto), 1/1.95", PDAF, OIS, 3x optical zoom 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF
X300 Ultra
200 MP, f/1.9, 35mm (wide), 1/1.12", 0.7µm, PDAF, gimbal OIS 200 MP, f/2.7, 85mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.7x optical zoom, macro 3.4:1 50 MP, f/2.0, 14mm, 116˚ (ultrawide), 1/1.28", 1.22µm, dual pixel PDAF, OIS Optional add-on zoom lenses: 200mm, 2.35x optical zoom, OIS, Zeiss optics 400mm, 4.7x optical zoom, OIS, Zeiss optics
Features
X300
Laser AF, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import
X300 Ultra
Laser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import
Video
X300
4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, 4K@120fps HDR
X300 Ultra
8K@30fps, 4K@24/30/60/120fps (10-bit Log, Dolby Vision HDR), 1080p@30/60/120/240fps, gyro-EIS, HDR10+
Single
X300
50 MP, f/2.0, 20mm (wide), 1/2.76", 0.64µm, AF
X300 Ultra
50 MP, f/2.5, 24mm (wide), 1/2.76", 0.64µm, AF
Features
X300
HDR
X300 Ultra
HDR
Video
X300
4K@30/60fps, 1080p@30/60fps
X300 Ultra
4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR
Loudspeaker
X300
Yes, with stereo speakers
X300 Ultra
Yes, with stereo speakers
3.5mm jack
X300
No
X300 Ultra
No
Other
X300
-
X300 Ultra
24-bit/192kHz Hi-Res audio
WLAN
X300
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
X300 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Bluetooth
X300
5.4, A2DP, LE, aptX HD, LHDC 5
X300 Ultra
5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5
Positioning
X300
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)
X300 Ultra
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS
NFC
X300
Yes
X300 Ultra
Yes
Infrared port
X300
Yes
X300 Ultra
Yes
Radio
X300
No
X300 Ultra
No
USB
X300
USB Type-C 3.2, OTG
X300 Ultra
USB Type-C 3.2, OTG, DisplayPort
Sensors
X300
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
X300 Ultra
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Other
X300
-
X300 Ultra
Emergency SOS via satellite (calls, messages) - 16GB + 1TB model only
Type
X300
· Si/C Li-Ion 6040 mAh (Global)· Si/C Li-Ion 5360 mAh (EU markets)
X300 Ultra
Si/C Li-Ion 6600 mAh (International) or 6400 mAh (Europe)
Charging
X300
90W wired 40W wireless Reverse wired
X300 Ultra
100W wired, PD, PPS, QC, UFCS 40W wireless Reverse wired Reverse wireless
Colors
X300
Phantom Black, Mist Blue, Summit Red, Iris Purple, Halo Pink
X300 Ultra
Black, Silver, Green
Models
X300
V2515, V2509A
X300 Ultra
V2547A, V2547DA, V2536A, V2562
Price
X300
€ 891.65 / ₹ 75,998
X300 Ultra
€ 1,999.00