OPPO K13x 5G (8GB RAM +128GB) has better RAM than Realme Narzo 90x. In terms of display resolution, OPPO K13x 5G (8GB RAM +128GB) has better resolution of 1604 x 720 than Realme Narzo 90x which has resolution of 1570 x 720. Both have the same amount of internal memory.
| Name | OPPO K13x 5G (8GB RAM +128GB) | Realme Narzo 90x |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.67 in | 6.8 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 7000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 14248 | Rs. 13999 |
The launch Date of the first phone is June 23, 2025. The cost of OPPO K13x 5G (8GB RAM +128GB) is Rs. 14248. The launch Date of the second phone is December 16, 2025. The cost of Realme Narzo 90x is Rs. 13999.
Realme Narzo 90x has larger screen size of 6.8 inches in comparison to OPPO K13x 5G (8GB RAM +128GB)'s 6.67 inch screen. OPPO K13x 5G (8GB RAM +128GB) has Screen type where as Realme Narzo 90x has LCD Screen type. OPPO's phone has display density of 264 PPI & Realme's phone has only 254 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 90.4% than OPPO's phone ~ 89.9%. Both mobiles have same aspect ratio of 20:9.
OPPO K13x 5G (8GB RAM +128GB)'s larger 8 GB RAM is better for playing games and all with respect to Realme Narzo 90x's lower 6 GB RAM. and both have same Internal Memory of 128 GB.
OPPO K13x 5G (8GB RAM +128GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Realme Narzo 90x's 50 MP + 2 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 16 version.
| Name | OPPO K13x 5G (8GB RAM +128GB) | Realme Narzo 90x |
| General | ||
| Country of Origin | India | India |
| Model | K13x | Narzo 90x |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | June 23, 2025 | December 16, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | realme NARZO 90x 5G x1, Charger x1, USB data cable x1, SIM Ejector Tool x1, Protective Case x1, Quick Guide x1 |
| Design | ||
| Dimensions | 76.2 x 165.7 x 7.9 mm | 77.93 x 166.07 x 8.28 mm |
| Weight | 194 g | 212 g |
| Bezel less | No | |
| Colors | Midnight Violet | Flash Blue, Nitro Blue |
| Display | ||
| Type | Color HD+ LCD (16.7 Million) | Color LCD Screen (16.7M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 180 Hz Touch Sampling Rate |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.8 inches, 720 x 1570 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 254 PPI |
| Screen to Body Ratio | ~ 89.9% | ~ 90.4% |
| Brightness | Brightness: 850nit (Normal), 1000nit (HBM) | 975 nits(typ)/1200 nits(HBM) |
| Features | 10 Touch Points, Contrast Ratio: 1500:1 (Typical), Color Saturation: 83% NTSC, Color Gamut: 88% DCI-P3 (Vivid Mode), 100% sRGB (Natural Mode), Supports Dark Mode, DC Dimming, Supports Eye Comfort, Supports Sunlight Screen | Vivid mode: 83% DCI-P3, Natural mode: 100% sRGB |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS | |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB | Yes, (Hybrid Slot), upto 2 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n41/n77/n78 | n1/n3/n5/n8/n28B/n40/n41/n77/n78 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WiFi 5 (802.11 ac), 802.11 b/g/a/n, WLAN 2.4 GHz, WLAN 5 GHz, Dual Band (WiFi 2.4 GHz, WiFi 5 GHz) | Support 2.4/5GHz Wi-Fi Support 802.11 a/b/g/n/ac |
| Bluetooth | Yes, v5.4, SBC, AAC, aptX, aptX HD, and LDAC | Yes, v5.3 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, BEIDOU, GPS, GLONASS, GALILEO, QZSS, AGPS | Beidou, GPS, GLONASS, Galileo, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor, Ambient Light Sensor, E-Compass, Accelerometer | Proximity, Ambient light, E-compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | AI Eraser, AI Clarity Enhancer, AI Smart Image Matting 2.0, AI Reflection Remover, AI Unblur, AI Motion, AI Portrait, AI Reimage, AI Summary, AI Writer | |
| Water Resistance | 1.18 m upto 1.05 min | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP65 | IP65 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual-view Video, Outdoor Mode and Glove Touch, Ultra-Volume Mode, Trinity Engine, Screen Translator, Google Gemini App | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) OV50D, 1/2.88 inch Sensor Size, 0.61um Pixel Size, CMOS(4-in-1), FOV: 76 Degree, Equivalent Focal Length: 27mm, 5P Lens, Effective Focal Length: 3.98mm, PDAF 2 MP ƒ/2.4 (Depth Sensor) 1.75um Pixel Size, CMOS, 1/5 inch Sensor Size, FOV: 89 Degree, Equivalent Focal Length: 22mm, 3P Lens, Effective Focal Length: 1.77mm, Fixed Focus) | 50 MP (Wide Angle) 2 MP (Depth Sensor) |
| Camera Sensor | Sony IMX852 Camera | |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Pro, Panorama, Slo-Mo, Dual View Video, Timelapse, Sticker, Hypertext, Hi-Res, Google Lens, Supports Fill Light for Video Shooting | HDR, panorama |
| Video Recording | 1080p @ 60 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) 1.12um Pixel Size, CMOS, 1/4 inch Sensor Size, FOV: 80 Degree, Equivalent Focal Length: 25mm, 4P Lens, Effective Focal Length: 2.66mm, Fixed Focus Punch Hole | 8 MP Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v16 |
| Custom UI | ColorOS 15 | Realme UI 6.0 |
| Chipset | Mediatek Dimensity 6300 | MediaTek Dimensity 6300 |
| CPU | 2.4 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | ARM Mali-G57 MC2 | ARM Mali-G57 MC2@1072MHz |
| NPU | 6nm | |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, AMR, APE, OGG, FLAC, WAV, MIDI, WMA | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV, Webm, TS | AVI, MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, FLV, F4V, WEBM, WMV, ASF, MOV, QT, TS, M2TS, MTS, MKV |
| FM Radio | Yes, with FM Recording | No |
| Audio Features | OReality Audio | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-ion Battery | 7000 mAh, Li-ion Battery |
| Fast Charging | Yes, 45W SUPERVOOCTM Flash Charging | Yes, 60W Fast Charge |
| Reverse Charging | Yes | |