Both phones have plastic build, Realme 3i comes with the Diamond cut finish. Realme 3i has 6.22-inch HD+ Display whereas Realme C3 has a bigger 6.5-inch HD+ Display. Realme 3i is powered by Helio P60 Processor compared to MediaTek Helio G70 processor on Realme C3 both phones come with up to 4GB RAM and 64GB of internal storage which is further expandable with MicroSD card up to 256GB.
On-Camera Realme 3i has 13+2MP Dual Rear Camera and 13MP front Camera whereas Realme C3 has 12+2MP Dual Camera and 5MP front Camera both phones can record 1080p videos. Realme 3i has support for fingerprint scanner which lacks in Realme C3. Realme C3 is backed by 5000mAh battery compared to Realme 3i which has 4230mAh battery both phones don’t support fast charging.
|Display: 6.22-inch (1520 x 720 pixels) 19:9 HD+ IPS display ,Corning Gorilla Glass 3 protection
|6.5-inch (1520 x 720 pixels) HD+ display with Corning Gorilla Glass 3+ protection
|CPU: MediaTek Helio P60 12nm processor with Mali-G72 MP3 GPU
|MediaTek Helio G70 processor
|3/4GB LPDDR4x RAM
|32/64GB internal memory, expandable memory up to 256GB with microSD
|32/64 GB internal memory, expandable memory up to 256GB with microSD
|Camera: 13MP rear camera with LED flash, f/1.8 aperture, PDAF, 2MP secondary camera
|12MP rear camera f/1.8 aperture, LED flash, PDAF, 2MP depth sensor
|13MP front-facing camera
|5MP front-facing camera
|Dual SIM, Dual 4G VoLTE, Wi-Fi 802.11 a/b/g/n, Bluetooth 4.2, GPS + GLONASS
|Dual 4G VoLTE, WiFi 802.11 b/g/n, Bluetooth 5, GPS/ GLONASS/ Beidou, micro USB
|face unlock, fingerprint Scanner
|Battery 4230mAh Battery
|Android 9.0 Pie with ColorOS 6.0
|Realme UI based on Android 10
Realme 3i priced at Rs 6999 for 3GB RAM and Rs 7999 for 4GB RAM. Realme C3 comes in Blazing Red, Frozen Blue color options priced at Rs 6,999 for 3GB RAM and Rs 7,999 for 4GB RAM. Realme 3i offers Fingerprint Scanner, better camera. Realme C3 has a bigger battery. Realme 3i is a better option available at Rs 7,000.