Xiaomi Redmi K90 vs Realme C55 (8GB RAM + 128GB)
Quick Comparison
Xiaomi Redmi K90 has better RAM than Realme C55 (8GB RAM + 128GB). In terms of display resolution, Xiaomi Redmi K90 has better resolution of 2510 x 1156 than Realme C55 (8GB RAM + 128GB) which has resolution of 2400 x 1080. Xiaomi Redmi K90 has more internal memory than Realme C55 (8GB RAM + 128GB)
| Name | Xiaomi Redmi K90 | Realme C55 (8GB RAM + 128GB) |
| RAM | 12 GB | 8 GB |
|---|---|---|
| Display | 6.59 in | 6.72 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7100 mAh | 5000 mAh |
| Camera | 50 MP + 50 MP + 8 MP Triple | 64 MP + 2 MP Dual |
| Price | Rs. 35990 | Rs. 15990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 27, 2025. The Expected cost of Xiaomi Redmi K90 is Rs. 35990. The launch Date of the second phone is March 21, 2023. The cost of Realme C55 (8GB RAM + 128GB) is Rs. 15990.
Display comparison
Realme C55 (8GB RAM + 128GB) has larger screen size of 6.72 inches in comparison to Xiaomi Redmi K90's 6.59 inch screen. Xiaomi Redmi K90 has AMOLED Screen type where as Realme C55 (8GB RAM + 128GB) has IPS Screen type. Xiaomi's phone has display density of 419 PPI & Realme's phone has only 392 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 91.4% than Xiaomi's phone ~ 87.5%. Xiaomi Redmi K90 has 20:9 aspect ratio where as Realme C55 (8GB RAM + 128GB) has 20.1:9 aspect ratio.
Memory comparison
Xiaomi Redmi K90's larger 12 GB RAM is better for playing games and all with respect to Realme C55 (8GB RAM + 128GB)'s lower 8 GB RAM. Xiaomi Redmi K90 has more Internal Memory (256 GB) than Realme C55 (8GB RAM + 128GB) (128 GB).
Camera comparison
Realme C55 (8GB RAM + 128GB)'s 64 MP + 2 MP Dual Rear Camera outclasses Xiaomi Redmi K90's 50 MP + 50 MP + 8 MP Triple Rear Camera in terms of resolution. Xiaomi Redmi K90 will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Realme C55 (8GB RAM + 128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 13 version.
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Full Comparison
| Name | Xiaomi Redmi K90 | Realme C55 (8GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | K90 | C55 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | October 27, 2025 | March 21, 2023 |
| Design | ||
| Dimensions | 75.25 x 157.49 x 8 mm | 75.98 x 165.65 x 7.89 mm |
| Weight | 206 g | 189.5 g |
| Bezel less | No | |
| Colors | Sun Shower, Rainy Night | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color IPS Screen (16.7M) |
| Touch | Yes, 480 Hz Touch Sampling Rate | Yes, 180 Hz Touch Sampling Rate |
| Size | 6.59 inches, 1156 x 2510 pixels, 120 Hz | 6.72 inches, 1080 x 2400 pixels, 90 Hz |
| Aspect Ratio | 20:9 | 20.1:9 |
| PPI | ~ 419 PPI | ~ 392 PPI |
| Screen to Body Ratio | ~ 87.5% | ~ 91.4% |
| Brightness | 3500nits | |
| Features | Brightness: 550 nit, Color Saturation: 96% NTSC, Sunlight Screen Support, Screen Contrast: 1500:1, | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4 | UFS 2.2 |
| Card Slot | Yes, upto 1 TB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n7/n8/n28/n66/n38/n40/n41/n48/n77/n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | Wi-Fi 5 (a/b/g/n/ac) (2.4 GHz | 5 GHz) |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | with AGPS, BEIDOU, GALILEO |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| Splash Resistant | Yes | |
| Dust Resistant | No | |
| Extra Features | Mini Capsule | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 50 MP (Telephoto) 8 MP (Wide Angle) | 64 MP ƒ/1.79 (Wide Angle) PDAF 2 MP (Depth Sensor) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Photo, AI Beauty, Filter, AI Scene Recognition, Night Mode, Professional, Panoramic View, Portrait Mode, Street, HDR, 64MP Mode, Starry, Chroma Boost, Bokeh Flare Portrait, AI Color Portrait, Video Feature: Video, Video Filter, Slow Motion, Timelapse | |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 1920 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v13 |
| Custom UI | HyperOS 3 | realme UI 4.0 |
| Chipset | Qualcomm Snapdragon 8 Elite | Mediatek Helio G88 |
| CPU | 4.32 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 |
| GPU | Adreno GPU | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA |
| Video | Yes | MP4, 3GP, ASF, AVI, FLV, M2TS, MKV, MPG, TS, WEBM, WMV |
| FM Radio | No | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7100 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast charging | Yes, 33W |
| Reverse Charging | Yes, 22.5W | Yes |