Xiaomi Redmi K90 Pro Max vs Realme C73 (4GB RAM + 128GB)
Quick Comparison
Xiaomi Redmi K90 Pro Max has better RAM than Realme C73 (4GB RAM + 128GB). In terms of display resolution, Xiaomi Redmi K90 Pro Max has better resolution of 2608 x 1200 than Realme C73 (4GB RAM + 128GB) which has resolution of 1604 x 720. Xiaomi Redmi K90 Pro Max has more internal memory than Realme C73 (4GB RAM + 128GB)
| Name | Xiaomi Redmi K90 Pro Max | Realme C73 (4GB RAM + 128GB) |
| RAM | 12 GB | 4 GB |
|---|---|---|
| Display | 6.9 in | 6.67 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7500 mAh | 6000 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 32 MP Dual |
| Price | Rs. 50990 | Rs. 11494 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 23, 2025. The Expected cost of Xiaomi Redmi K90 Pro Max is Rs. 50990. The launch Date of the second phone is June 02, 2025. The cost of Realme C73 (4GB RAM + 128GB) is Rs. 11494.
Display comparison
Xiaomi Redmi K90 Pro Max has larger screen size of 6.9 inches in comparison to Realme C73 (4GB RAM + 128GB)'s 6.67 inch screen. Xiaomi Redmi K90 Pro Max has LTPO AMOLED Screen type where as Realme C73 (4GB RAM + 128GB) has IPS LCD Screen type. Xiaomi's phone has display density of 416 PPI & Realme's phone has only 264 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 91.8% than Realme's phone ~ 89.97%. Xiaomi Redmi K90 Pro Max has 20:9 aspect ratio where as Realme C73 (4GB RAM + 128GB) has 20.05:9 aspect ratio.
Memory comparison
Xiaomi Redmi K90 Pro Max's larger 12 GB RAM is better for playing games and all with respect to Realme C73 (4GB RAM + 128GB)'s lower 4 GB RAM. Xiaomi Redmi K90 Pro Max has more Internal Memory (256 GB) than Realme C73 (4GB RAM + 128GB) (128 GB).
Camera comparison
Xiaomi Redmi K90 Pro Max's 50 MP + 50 MP + 50 MP Triple Rear Camera outclasses Realme C73 (4GB RAM + 128GB)'s 32 MP Dual Rear Camera in terms of resolution. Xiaomi Redmi K90 Pro Max will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Realme C73 (4GB 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 15 version.
Related Comparisons
Full Comparison
| Name | Xiaomi Redmi K90 Pro Max | Realme C73 (4GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | RMX3945 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | October 23, 2025 | June 02, 2025 |
| In The Box | realme C73 5G, USB Type-C Cable, 15W Adapter, Protect Case, SIM Card Needle, Screen Protect Film, Quick Guide | |
| Design | ||
| Dimensions | 77.8 x 163.3 x 7.9 mm | 76.22 x 165.7 x 7.94 mm |
| Weight | 218 g | 197 g |
| Bezel less | No | |
| Colors | Black, White, Denim Blue, Lamborgini White | Jade Green, Crystal Purple, Onyx Black |
| Display | ||
| Type | Color LTPO AMOLED Screen (68 B) | Color IPS LCD Screen (16.7 M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 180 Hz Touch Sampling Rate |
| Size | 6.9 inches, 1200 x 2608 pixels, 120 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.05:9 |
| PPI | ~ 416 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 91.8% | ~ 89.97% |
| Glass Type | Xiaomi Dragon Crystal Glass | |
| Brightness | 3500 nits (peak) | Peak Brightness：625nit, Brightness Adjustment: 4096 Level |
| Features | 2160Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+ | Contrast Ratio: 1500: 1, Colour Gamut: 83% NTSC |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 4 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4.1 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/2/3/5/7/8/20/28/38/40/41/48/66*/77/78/79, NSA: n1/3/5/7/8/20/28/38/40/41/66*/77/78/79 | 5G NR: n1/3/5/8/28B/40/41/77/78 |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | Support 2.4/5GHz Wi-Fi, Support 802.11 a/b/g/n/ac |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v5.3 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | with GPS, Galileo, GLONASS, Beidou, NAVIC | Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1), QZSS(L1) |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Gyro, Compass | Geomagnetic Sensor, Proximity Sensor, Light Sensor, Acceleration Sensor, Flicker Sensor, Side Capacitive Fingerprint Sensor |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| AI Features | AI Smart Signal Adjustment, AI Clear Face, Google Gemini, AI Smart Loop | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP68 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Free Call (Through Bluetooth) | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP ƒ/3 (Telephoto) 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP ƒ/2.4 (Ultra Wide) 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm | 32 MP ƒ/1.8 (Wide Angle) GALAXYCORE GC32E2, 27mm, FOV: 76°, Lens: 5P |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Color spectrum sensor, HDR, panorama | Photo Mode, Video Mode, Night Mode, Professional Mode, Portrait Mode, HighDefinition Mode, Street Mode, Panorama, Slow Motion, Time-lapse, SuperText Mode, Dual-view Video, Google Lens, Digital Zoom 10X |
| Video Recording | 4K, 8K, 1080p, 720p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 4K, 1080p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | HyperOS 3 | Realme UI 6 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | Mediatek Dimensity 6300 |
| CPU | 4.6 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| Fabrication Node | 3nm | 6nm |
| GPU | Adreno 840 | Arm Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA |
| Video | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback | H.264, MPEG4, DIVX/XVID, H.263, SORENSEN SPARK, VP8, VP9, H.265, AV1 |
| FM Radio | No | No |
| Speaker Type | Super Linear Speaker | |
| Audio Features | Supports OReality Audio effect, Hi-Res Audio Certification | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7500 mAh, Li-Po Battery | 6000 mAh, BLPB47 Lithium Ion Battery |
| Fast Charging | Yes, 100W Fast Charging | Yes, 15W Fast Charging |
| Wireless Charging | Yes, 50W | |
| Reverse Charging | Yes | Yes, 5W |
| Reverse Wireless Charging | Yes, 22.5W | |