Realme P4x 5G vs OPPO F21
Here you can compare Realme P4x 5G and OPPO F21. Comparing Realme P4x 5G vs OPPO F21 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme P4x 5G stands against OPPO F21 and which one should you buy The current lowest price found for Realme P4x 5G is ₹17,949 and for OPPO F21 is ₹17,990. The details of both of these products were last updated on Jun 11, 2026.
| Specification | Realme P4x 5G | OPPO F21 |
|---|---|---|
| OS | Android v15 | Android v11 |
| RAM | 6 GB | 6 GB |
| CPU | 2.6 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Rear Camera | 50 MP (Wide Angle) 2 MP | 48 MP ƒ/1.7 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro |
| Display | 6.72 inches, 1080 x 2400 pixels, 144 Hz | 6.41 inches, 1080 x 2400 pixels |
| Price | ₹17,949 | ₹17,990 |
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Overview
| Specs Score | 62 / 100 Better Specs | 53 / 100 |
| Storage | 128 GB More Storage | 64 GB |
| CPU Clock Speed | 2.6 GHz Faster Clock Speed | 2 GHz |
| Front Camera | 8 MP | 16 MP Better Front Camera Resolution |
| Weight | 208 g | 175 g Lighter |
| Battery | 7000 mAh Bigger Battery | 5000 mAh |
| Unique Features | 5G No No Reverse Charging | No 3.5mm Audio Jack Memory Card Support No |
General
| Model | RMX5108 | F21 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 2 years | |
| Security Updates | 3 years | |
| Release Date | December 04, 2025 | |
| In The Box | 1 x Handset, 1 x Charger, 1 x USB data cable, 1 x SIM Ejector Tool, 1 x Protective Case, 1 x Quick Guide |
Design
| Dimensions | 75.95 x 165.85 x 8.39 mm | 73.8 x 160.3 x 8 mm |
| Weight | 208 g | 175 g |
| Bezel less | No | |
| Colors | Matte Sliver, Elegant Pink, Lake Green |
Display
| Type | Color LCD Screen (1B Colors) | Color AMOLED Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.72 inches, 1080 x 2400 pixels, 144 Hz | 6.41 inches, 1080 x 2400 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 391 PPI | ~ 411 PPI |
| Screen to Body Ratio | ~ 91.4% | ~ 90.8% |
| Brightness | 1000nits Sunlight Display | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 6 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 10 GB Extra Virtual RAM | |
| Storage | 128 GB | 64 GB |
| Storage Type | UFS 3.1 | UFS 2.1 |
| Card Slot | Yes, upto 256 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 (802.11ax) Supported | |
| Bluetooth | Yes, v5.4 | Yes, v5.1, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| IR Blaster | No |
Performance
| AnTuTu Score | 1,001,028 (Total) (v11) 353,428 (CPU) 149,704 (GPU) 210,954 (Memory) 286,942 (UX) | |
| Geekbench Score | 2,971 (Multi Core) (v6) 1,045 (Single Core) 3,047 (OpenCL) 2,930 (Vulkan) |
Extra
| GPS | GNSS: SIngle band: BeiDou, GPS, GLONASS,Galileo,QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity Sensor, Light Sensor, Acceleration Sensor, Gyroscope | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | |
| AI Features | AI Image Editing, NEXT AI, AI Text Scanner, Circle to Search, AI Smart Loop, AI Recording Summary | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Bypass Charging, 5300mm² VC FrostCore Cooling System |
Camera
| Rear Camera | 50 MP (Wide Angle) 2 MP | 48 MP ƒ/1.7 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, Cinematic, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Google Lens, PRO, Hypertext, Scan, DOC SCANNER, TILT-SHIFT | HDR, Panorama |
| Video Recording | 1080p @ 30 fps FHD, 4K @ 30 fps UHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 16 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v15 | Android v11 |
| Custom UI | Realme UI 6 | |
| Chipset | Mediatek Dimensity 7400 Ultra | Qualcomm Snapdragon 665 |
| CPU | 2.6 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver |
| GPU | Mali-G615 MC2 | Adreno 610 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | Yes |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | Yes |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Features | 400% Volume | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W Ultra Charge | Yes, 18W Fast Charging |
| Reverse Charging | Yes, 5W | |
| Bypass Charging | Yes |
Discuss
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