Both OPPO K13x 5G (6GB RAM +128GB) and Realme Narzo 90 comes with same RAM. In terms of display resolution, Realme Narzo 90 has better resolution of 2372 x 1080 than OPPO K13x 5G (6GB RAM +128GB) which has resolution of 1604 x 720. Both have the same amount of internal memory.
| Name | OPPO K13x 5G (6GB RAM +128GB) | Realme Narzo 90 |
| RAM | 6 GB | 6 GB |
|---|---|---|
| Display | 6.67 in | 6.57 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. 13645 | Rs. 16999 |
The launch Date of the first phone is June 23, 2025. The cost of OPPO K13x 5G (6GB RAM +128GB) is Rs. 13645. The launch Date of the second phone is December 16, 2025. The cost of Realme Narzo 90 is Rs. 16999.
OPPO K13x 5G (6GB RAM +128GB) has larger screen size of 6.67 inches in comparison to Realme Narzo 90's 6.57 inch screen. OPPO K13x 5G (6GB RAM +128GB) has Screen type where as Realme Narzo 90 has AMOLED Screen type. Realme's phone has display density of 397 PPI & OPPO's phone has only 264 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 93% than OPPO's phone ~ 89.9%. Both phones have same aspect ratio of 20:9.
Both mobiles come with 6 GB RAM and both have same Internal Memory of 128 GB.
OPPO K13x 5G (6GB RAM +128GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Realme Narzo 90's 50 MP + 2 MP Dual Rear Camera. Realme Narzo 90 will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to OPPO K13x 5G (6GB RAM +128GB)'s 8 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | OPPO K13x 5G (6GB RAM +128GB) | Realme Narzo 90 |
| General | ||
| Country of Origin | India | India |
| Model | K13x | Narzo 90 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 3 years | |
| Security Updates | 4 years | |
| Release Date | June 23, 2025 | December 16, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Protective Case x 1 |
| Design | ||
| Dimensions | 76.2 x 165.7 x 7.9 mm | 75.19 x 158.36 x 7.79 mm |
| Weight | 194 g | 181 g |
| Colors | Midnight Violet, Sunset Peach | Carbon Black, Victory Gold |
| Display | ||
| Type | Color HD+ LCD (16.7 Million) | Color AMOLED Screen (1.07 B) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.57 inches, 1080 x 2372 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 397 PPI |
| Screen to Body Ratio | ~ 89.9% | ~ 93% |
| Glass Type | DT Star D+ | |
| Brightness | Brightness: 850nit (Normal), 1000nit (HBM) | Normal brightness: 1000 nits(Typical), HBM: 1400 nits(Typical |
| 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: 100% DCI-P3, Natural mode: 100% sRGB, Cinematic mode: 100% DCI-P3, Colorful mode: 100% DCI-P3. Eye Care, 2160Hz PWM Dimming |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 6 GB |
| RAM Type | LPDDR5X | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB | Yes, (Hybrid Slot) |
| 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) | WiFi 2.4G, WiFi 5G, WiFi 5 (802.11ac), 802.11b/g/a/n, WLAN 2.4G, WLAN 5G, WLAN 5.1G, WLAN 5.8G, WLAN Display, WLAN tethering, Wi-Fi 2.4GHz 20M, Wi-Fi 2.4GHz 40M,Wi-Fi 5GHz 20M, Wi-Fi 5GHz 40M, Wi-Fi 5GHz 80M, |
| Bluetooth | Yes, v5.4, SBC, AAC, aptX, aptX HD, and LDAC | Yes, v5.3, A2DP, LE |
| 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 | GPS(L1), GLONASS(G1), BDS(B1I), Galileo(E1), QZSS(L1) |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor, Ambient Light Sensor, E-Compass, Accelerometer | Proximity sensor, Ambient light sensor, Color temperature sensor, E-compass, Accelerometer, Gyroscope, In-display optical fingerprint sensor, Infrared remote control |
| 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 | Ai Edit |
| Water Resistance | 1.18 m upto 1.05 min | Yes |
| Splash Resistant | Yes | |
| IP Rating | IP65 | IP66+IP68+IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual-view Video, Outdoor Mode and Glove Touch, Ultra-Volume Mode, Trinity Engine, Screen Translator, Google Gemini App | Bypass Charging |
| 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 ƒ/1.8 (Wide Angle) FOV 75.5°; 5P lens; AF Supported 2 MP ƒ/2.4 FOV 88.8°; 3P lens |
| 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 | Photo, Video, Portrait, Night, Panorama, Cinematic, SLO-MO, Dual-view video, TIME-LAPSE, HI-RES, Underwater, PRO, Hypertext, TILT-SHIFT |
| Video Recording | 1080p @ 60 fps FHD, 720p @ 30 fps HD | 1080p, 720p |
| 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 | 50 MP ƒ/2.4 (Wide Angle) FOV 86.7°; 5P lens Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p, 720p |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | realme UI 6.0 |
| Chipset | Mediatek Dimensity 6300 | MediaTek Dimensity 6400 Max |
| CPU | 2.4 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | ARM Mali-G57 MC2 | Mali G57 MC2 @1.07GHz |
| 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 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 Dart Charge |
| Reverse Charging | Yes | |