Realme C83 vs Ulefone Note 18 Ultra
Product
Price
130 USD
130 USD
Status
Available
Available
Brand
Realme Mobiles
Ulefones
Model No
Realme C83
Note 18 Ultra
Launch Date
2026, February 07
2024, May 01
Technology
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900
3G bands
HSDPA 850 / 900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 5, 8, 28, 40, 41
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
5G bands
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
1, 3, 5, 8, 20, 28, 38, 41, 77, 78 SA/NSA/Sub6
Speed
HSPA, LTE, 5G
HSPA, LTE
Dimensions
166.3 x 78.1 x 8.4 mm (6.55 x 3.07 x 0.33 in)
168.8 x 76.8 x 8.9 mm (6.65 x 3.02 x 0.35 in)
Weight
212 g (7.48 oz)
211.6 g (7.48 oz)
Build
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
Corning Gorilla Glass
SIM
Nano-SIM + Nano-SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
Colors
Blooming Purple, Sprouting Green
Lustrous Black, Moonlit White, Titanium Gray
Type
IPS LCD, 144Hz, 900 nits (peak)
IPS LCD, 90Hz
Size
6.8 inches, 113.0 cm2 (~87.0% screen-to-body ratio)
6.78 inches, 109.2 cm2 (~84.2% screen-to-body ratio)
Resolution
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
1080 x 2460 pixels (~396 ppi density)
OS
Android 16, Realme UI 7.0
Android 13
Chipset
Mediatek Dimensity 6300 (6 nm)
Mediatek Dimensity 720 (7 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Mali-G57 MC3
RAM
4GB/6GB
6GB
Storage
64GB/128GB
256GB
UFS 2.2
Card Slot
microSDXC (uses shared SIM slot)
Lens 1
13 MP, f/2.2, (wide)
50 MP, f/2.0, (wide), 1/1.31", 0.7µm, PDAF
Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Video
1080p@30fps
1080p@30fps
Lens 2
50 MP, f/2.2, 117˚, (ultrawide), 1/2.8"
Lens 1
5 MP, f/2.2, (wide)
32 MP, f/2.5, (wide), 1/2.8", 0.7µm
Video
1080p@30fps
1080p@30fps
Features
HDR
Capacity
Si/C Li-Ion 7000 mAh
Li-Po 5450 mAh, non-removable
Charging
15W wired
Reverse wired
Bypass charging
18W wired
Sensors
Accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, 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
5.3, A2DP, LE
5.2, A2DP, LE
GPS
GPS, GALILEO, GLONASS, QZSS, BDS
GPS, GLONASS, GALILEO, BDS
USB
USB Type-C 2.0, OTG
USB USB Type-C 2.0
NFC
Yes