Ulefone Note 18 Ultra vs Realme C83
Product
Price
130 USD
130 USD
Status
Available
Available
Brand
Ulefones
Realme Mobiles
Model No
Note 18 Ultra
Realme C83
Launch Date
2024, May 01
2026, February 07
Technology
GSM / CDMA / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
1, 3, 5, 8, 28, 40, 41
5G bands
1, 3, 5, 8, 20, 28, 38, 41, 77, 78 SA/NSA/Sub6
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Speed
HSPA, LTE
HSPA, LTE, 5G
Dimensions
168.8 x 76.8 x 8.9 mm (6.65 x 3.02 x 0.35 in)
166.3 x 78.1 x 8.4 mm (6.55 x 3.07 x 0.33 in)
Weight
211.6 g (7.48 oz)
212 g (7.48 oz)
Build
Corning Gorilla Glass
Glass front, plastic frame, plastic back
IP64 dust tight and water resistant (water splashes)
MIL-STD-810H compliant
does not guarantee ruggedness or use in extreme conditions
SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Lustrous Black, Moonlit White, Titanium Gray
Blooming Purple, Sprouting Green
Type
IPS LCD, 90Hz
IPS LCD, 144Hz, 900 nits (peak)
Size
6.78 inches, 109.2 cm2 (~84.2% screen-to-body ratio)
6.8 inches, 113.0 cm2 (~87.0% screen-to-body ratio)
Resolution
1080 x 2460 pixels (~396 ppi density)
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
OS
Android 13
Android 16, Realme UI 7.0
Chipset
Mediatek Dimensity 720 (7 nm)
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC3
Mali-G57 MC2
RAM
6GB
4GB/6GB
Storage
256GB
UFS 2.2
64GB/128GB
Card Slot
microSDXC (uses shared SIM slot)
Lens 1
50 MP, f/2.0, (wide), 1/1.31", 0.7µm, PDAF
13 MP, f/2.2, (wide)
Lens 2
50 MP, f/2.2, 117˚, (ultrawide), 1/2.8"
Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Video
1080p@30fps
1080p@30fps
Lens 1
32 MP, f/2.5, (wide), 1/2.8", 0.7µm
5 MP, f/2.2, (wide)
Features
HDR
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 5450 mAh, non-removable
Si/C Li-Ion 7000 mAh
Charging
18W wired
15W wired
Reverse wired
Bypass charging
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.2, A2DP, LE
5.3, A2DP, LE
GPS
GPS, GLONASS, GALILEO, BDS
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Yes
USB
USB USB Type-C 2.0
USB Type-C 2.0, OTG