Redmi K100 Ultra
Redmi
PKR 129,999
99/100 overall
Full specs & reviewHead to head
Redmi K100 Ultra vs Tecno Phantom X4
Full specification and price comparison for Pakistan, updated 23 May 2026.
The short answer
The Redmi K100 Ultra is the stronger phone of the two, scoring 99 against 84 on our combined specification score. It leads on performance, camera and battery & charging.
Tecno Phantom X4
Tecno
PKR 129,999
84/100 overall
Full specs & reviewAdd another phone to this comparison
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The verdict
Spec-derivedRedmi K100 Ultra takes it by 14.9 points on our weighted spec score.
What actually differs
- Redmi K100 Ultra packs a 840 mAh larger battery.
- Redmi K100 Ultra charges 75W faster.
- Redmi K100 Ultra offers 4 GB more RAM.
- Redmi K100 Ultra ships with 768 GB more storage.
- Redmi K100 Ultra has a 136 MP higher-resolution main sensor.
Buy the Redmi K100 Ultra if…
you care most about performance, camera, battery & charging, memory & storage and value for money.
Full specification comparison
| Specification | Redmi K100 Ultra | Tecno Phantom X4 |
|---|---|---|
| Price in Pakistan | ||
| Retail price | PKR 129,999 Cheaper | PKR 129,999 |
| Design & build | ||
| Release date | Q4 2026 | Not Officially Announced Yet (Expected Late 2026) |
| Dimensions | 163 x 76 x 8.5 mm | Not listed |
| Weight | 220g | Not listed |
| Water resistance | IP68 Dust & Water Resistance (Expected) | NOT certified |
| Display | ||
| Screen size | 6.8 Inches | 6.8 Inches |
| Resolution | 1440 × 3200 Pixels Better | 1080 × 2400 Pixels |
| Panel type | AMOLED Capacitive Touchscreen 144Hz HDR10+ & Dolby Vision | AMOLED 120Hz |
| Protection | Corning Gorilla Glass | Not listed |
| Performance | ||
| Chipset | Qualcomm Snapdragon 8 Elite 2 (Expected) 3nm Flagship Processor Advanced AI Engine Built for High-End Gaming & Performance | MediaTek Dimensity 9200+ |
| CPU | Octa-Core Processor 2× Prime Cores + 6× Performance Cores Expected Clock Speed up to 4.3GHz | Octa-core |
| GPU | Adreno 840 GPU (Expected) | Mali-G715 |
| Operating system | Android 16 HyperOS 3 | Android 14 with HiOS |
| Memory & storage | ||
| RAM | 12GB / 16GB LPDDR5X Better | 8GB / 12GB |
| Internal storage | 256GB / 512GB / 1TB UFS 4.1 Storage Better | 256GB |
| Card slot | No microSD card slot | No |
| Camera | ||
| Main camera | 200MP Main Camera with OIS 50MP Ultra-Wide Camera 50MP Periscope Telephoto Lens Laser Autofocus Dual LED Flash Better | Primary Sensor: 50MP or 64MP (conflicting leaks) Ultra-Wide: 8MP (rumored) Depth/Macro: 2MP (rumored) LED Flash HDR Panorama AI Camera |
| Selfie camera | 32MP Selfie Camera | 32MP HDR AI Beauty Portrait Mode |
| Video recording | 8K Video Recording | 4K@30fps expected 1080p@30/60fps |
| Battery & charging | ||
| Battery capacity | 6000mAh Silicon-Carbon Battery Better | Li-Po Non-Removable 5160mAh to 5500mAh (rumored) |
| Wired charging | 120W Wired Fast Charging 50W Wireless Charging Reverse Wireless Charging Better | 45W Fast Charging expected Some leaks mention 80W |
| Connectivity & extras | ||
| SIM | Dual SIM (Nano-SIM, dual standby) | Dual SIM (Nano-SIM, dual standby) |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e/7 Dual-Band Wi-Fi Wi-Fi Direct Hotspot Support | Wi-Fi 802.11 a/b/g/n/ac/6 Dual-Band Wi-Fi Wi-Fi Direct Hotspot Support |
| Bluetooth | Bluetooth 5.4 A2DP LE aptX HD / LHDC Audio Codec Support | 5.3 |
| NFC | Yes | Yes |
| Sensors | Ultrasonic In-Display Fingerprint Sensor Accelerometer Gyroscope Proximity Sensor Compass Ambient Light Sensor X-Axis Linear Vibration Motor Barometer (expected) AI Motion Sensors | Fingerprint (Under Display), Accelerometer, Gyroscope, Proximity Sensor, Compass, Face Unlock |
| USB | USB Type-C 3.2 OTG Support Display Output Support (expected) | USB Type-C OTG Support |
“Better” marks the higher (or, for price and weight, the lower) figure. It is a specification difference, not a judgement about real-world experience.
Questions people ask
Which is better, Redmi K100 Ultra or Tecno Phantom X4?
Redmi K100 Ultra comes out ahead on our combined spec score, leading by 14.9 points. It wins on performance, camera, battery & charging, memory & storage and value for money. Tecno Phantom X4 can still be the better buy if your priorities sit elsewhere or if you find it at a lower street price.
What is the price of Redmi K100 Ultra and Tecno Phantom X4 in Pakistan?
Redmi K100 Ultra is listed at PKR 129,999 and Tecno Phantom X4 at PKR 129,999. That makes Tecno Phantom X4 cheaper by PKR 0. Retail prices move often, so treat these as indicative.
Which has the better camera, Redmi K100 Ultra or Tecno Phantom X4?
Redmi K100 Ultra scores higher in our camera assessment. Redmi K100 Ultra uses a 200 MP main sensor against 64 MP on Tecno Phantom X4, though sensor size and processing matter more than resolution alone.
Which phone has the better battery, Redmi K100 Ultra or Tecno Phantom X4?
Redmi K100 Ultra leads on battery. Redmi K100 Ultra carries a 6000 mAh cell and Tecno Phantom X4 a 5160 mAh cell, with 120W and 45W wired charging respectively.
Which is better for gaming, Redmi K100 Ultra or Tecno Phantom X4?
Redmi K100 Ultra is the stronger gaming phone here. Redmi K100 Ultra runs the Qualcomm Snapdragon 8 Elite 2 (Expected) 3nm Flagship Processor Advanced AI Engine Built for High-End Gaming & Performance while Tecno Phantom X4 runs the MediaTek Dimensity 9200+.
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Tools that use this data
Scores are calculated from the published hardware specification of each device using the same formula for every phone on WhatMobilePK — they are not paid placements and they are not laboratory test results. Prices are indicative Pakistani retail prices and change frequently.