Xiaomi Redmi K100 vs Xiaomi Redmi K90 Ultra
Quick Comparison
Both Xiaomi Redmi K100 and Xiaomi Redmi K90 Ultra comes with same RAM. Both have the same amount of internal memory.
| Name | Xiaomi Redmi K100 | Xiaomi Redmi K90 Ultra |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.83 in | 6.83 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 10000 mAh | 8550 mAh |
| Camera | 50 MP + 8 MP Dual | 50 MP + 8 MP Dual |
| Price | Rs. 59990 | Rs. 59990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 27, 2026. The Expected cost of Xiaomi Redmi K100 is Rs. 59990. The launch Date of the second phone is June 30, 2026. The Expected cost of Xiaomi Redmi K90 Ultra is Rs. 59990.
Display comparison
Both the phones have AMOLED Screen Type. Both have same 447 PPI. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Both mobiles come with 12 GB RAM and both have same Internal Memory of 256 GB.
Camera comparison
Xiaomi Redmi K100 has 50 MP + 8 MP Dual Rear Camera in comparison to Xiaomi Redmi K90 Ultra's 50 MP + 8 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 20 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 17 and the second one on 16 version.
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Full Comparison
| Name | Xiaomi Redmi K100 | Xiaomi Redmi K90 Ultra |
| General | ||
| Model | K100 | 2604FRK1EC |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | October 27, 2026 | June 30, 2026 |
| Design | ||
| Dimensions | 77.9 x 162.9 x 8.7 mm | 77.9 x 162.9 x 8.2 mm |
| Weight | 234.5 g | 227 g |
| Colors | Black, White, Green | Black, Blue, Silver |
| Display | ||
| Type | Color AMOLED Screen (68B) | Color AMOLED Screen (68 B) |
| Touch | Yes | Yes |
| Size | 6.83 inches, 1280 x 2772 pixels, 165 Hz | 6.83 inches, 1280 x 2772 pixels, 165 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 447 PPI | ~ 447 PPI |
| Screen to Body Ratio | ~ 90.3% | ~ 90.3% |
| Brightness | 3500 nits (HBM), 9000 nits (peak) | 9500 nits (peak) |
| HDR Support | Yes, Dolby Vision | Yes, Dolby Vision, HDR Vivid, HDR10+ |
| Adaptive Refresh Rate | Yes | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n7/n8/n28/n66/n38/n40/n41/n48/n77/n78 | 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 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.4, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Extra | ||
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | with GPS, Galileo, GLONASS, Beidou, NAVIC |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Proximity, Gyro, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68/IP69K | IP68 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.7 (Wide Angle) 1/1.55", 1.0µm, PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm | 50 MP ƒ/1.7 (Wide Angle) 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm (ultrawide), 1/4.0", 1.12µm |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Color spectrum sensor, HDR, panorama | Color Spectrum Sensor, HDR, Panorama |
| Video Recording | 4K, 1080p | 8K @ 30 fps UHD, 4K @ 60 fps UHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 20 MP (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 1080p @ 60 fps FHD | 1080p @ 30 fps FHD |
| Front Camera Features | HDR | HDR, panorama |
| Technical | ||
| OS | Android v17 | Android v16 |
| Custom UI | HyperOS 3 | HyperOS 3 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| CPU | 4.32 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz |
| GPU | Adreno 840 | Adreno 830 (1200 MHz) |
| NPU | Qualcomm Hexagon NPU | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB |
| Video | Yes | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 10000 mAh, Si/C Li-ion Battery | 8550 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast charging | Yes, 100W Fast Charging |
| Reverse Charging | Yes, 22.5W | Yes, 22.5W reverse wired |
| Bypass Charging | Yes | |