Screen size
X300 FE6.3"
X51 5GWinner: 6.6"+3.8%
Quick verdict
X300 FE leads the measured specs 14-2.
Measured wins
X300 FE
14
spec wins
Overall winner
Ties
7
equal specs
X51 5G
2
spec wins
Screen size
Technology
X300 FE
GSM / HSPA / LTE / 5G
X51 5G
GSM / CDMA / HSPA / LTE / 5G
2G bands
X300 FE
GSM 850 / 900 / 1800 / 1900
X51 5G
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
X300 FE
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
X51 5G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
X300 FE
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
X51 5G
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G bands
X300 FE
1, 2, 3, 5, 7, 8, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78 SA/NSA
X51 5G
1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA
Speed
X300 FE
HSPA, LTE, 5G
X51 5G
HSPA, LTE, 5G
Announced
X300 FE
2026, March 04
X51 5G
2020, October 21. Released 2020, October 23
Status
X300 FE
Released Mar 2026
X51 5G
Discontinued
Dimensions
X300 FE
150.8 x 71.8 x 8 mm (5.94 x 2.83 x 0.31 in)
X51 5G
158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in)
Weight
X300 FE
191 g (6.74 oz)
X51 5G
181.5 g (6.42 oz)
Build
X300 FE
Glass front, aluminum alloy frame, glass back
X51 5G
Glass front, glass back, aluminum frame
SIM
X300 FE
Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
X51 5G
Nano-SIM + Nano-SIM
Other
X300 FE
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
X51 5G
-
Type
X300 FE
LTPO AMOLED, 1B colors, 120Hz, HDR, 5000 nits (peak)
X51 5G
AMOLED, 90Hz, HDR10+
Size
X300 FE
6.31 inches, 97.6 cm2 (~90.2% screen-to-body ratio)
X51 5G
6.56 inches, 104.6 cm2 (~90.6% screen-to-body ratio)
Resolution
X300 FE
1216 x 2640 pixels, 19.5:9 ratio (~461 ppi density)
X51 5G
1080 x 2376 pixels (~398 ppi density)
OS
X300 FE
Android 16, up to 5 major Android upgrades, OriginOS 6
X51 5G
Android 10, Funtouch 10.0
Chipset
X300 FE
Qualcomm SM8845 Snapdragon 8 Gen 5 (3 nm)
X51 5G
Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
CPU
X300 FE
Octa-core (2x3.8 GHz Oryon V3 Phoenix L + 6x3.32 GHz Oryon V3 Phoenix M)
X51 5G
Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
GPU
X300 FE
Adreno 829
X51 5G
Adreno 620
Card slot
X300 FE
No
X51 5G
No
Internal
X300 FE
256GB 12GB RAM, 512GB 12GB RAM
X51 5G
256GB 8GB RAM
Other
X300 FE
UFS 4.1
X51 5G
UFS 2.1
Triple
X300 FE
50 MP, f/1.6, 23mm (wide), 1/1.56", PDAF, OIS 50 MP, f/2.7, 70mm (periscope telephoto), 1/1.95", PDAF, OIS, 3x optical zoom 8 MP, f/2.2, 110˚ (ultrawide), 1/4.0"
X51 5G
-
Features
X300 FE
Multi-focus LED flash, panorama, HDR
X51 5G
Laser AF, color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Video
X300 FE
4K, 1080p, gyro-EIS
X51 5G
4K@30fps, 1080p@30fps, gyro-EIS
Quad
X300 FE
-
X51 5G
48 MP, f/1.6, (wide), PDAF, gimbal OIS 8 MP, f/3.4, 135mm (periscope telephoto), 1/4.0", PDAF, OIS, 5x optical zoom 13 MP, f/2.5, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, 2x optical zoom 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm
Single
X300 FE
50 MP, f/2.0, 21mm (wide), 1/2.76", AF
X51 5G
32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm
Features
X300 FE
HDR
X51 5G
HDR
Video
X300 FE
4K, 1080p
X51 5G
1080p@30fps
Loudspeaker
X300 FE
Yes, with stereo speakers
X51 5G
Yes
3.5mm jack
X300 FE
No
X51 5G
No
Other
X300 FE
-
X51 5G
32-bit/192kHz Hi-Res audio
WLAN
X300 FE
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
X51 5G
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
X300 FE
6.0, A2DP, LE
X51 5G
5.1, A2DP, LE, aptX HD
Positioning
X300 FE
GPS (L1+L5), BDS (B1I+B1C+B2a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS, NavIC
X51 5G
GPS, GLONASS, GALILEO, BDS
NFC
X300 FE
Yes
X51 5G
Yes
Infrared port
X300 FE
Yes
X51 5G
-
Radio
X300 FE
No
X51 5G
No
USB
X300 FE
USB Type-C 2.0, OTG
X51 5G
USB Type-C 2.0, OTG
Sensors
X300 FE
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
X51 5G
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
X300 FE
Si/C Li-Ion 6500 mAh
X51 5G
4315 mAh
Charging
X300 FE
90W wired, PD 40W wireless Reverse wired
X51 5G
33W wired, 57% in 30 min
Colors
X300 FE
Moonlight White, Cool Purple, Graphite Black
X51 5G
Gray
Models
X300 FE
V2537
X51 5G
XE710
Price
X300 FE
-
X51 5G
About 760 EUR