Realme Narzo 90x (8GB+128GB) vs Oppo K13
Quick Comparison
Both Realme Narzo 90x (8GB+128GB) and Oppo K13 comes with same RAM. In terms of display resolution, Oppo K13 has better resolution of 2400 x 1080 than Realme Narzo 90x (8GB+128GB) which has resolution of 1570 x 720. Both have the same amount of internal memory.
| Name | Realme Narzo 90x (8GB+128GB) | Oppo K13 |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.8 in | 6.67 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 7000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 15499 | Rs. 18299 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is December 16, 2025. The cost of Realme Narzo 90x (8GB+128GB) is Rs. 15499. The launch Date of the second phone is April 21, 2025. The cost of Oppo K13 is Rs. 18299.
Display comparison
Oppo K13 has screen size of 6.67 inches which falls short to Realme Narzo 90x (8GB+128GB)'s 6.8 inch screen. Realme Narzo 90x (8GB+128GB) has LCD Screen type where as Oppo K13 has AMOLED Screen type. OPPO's phone has display density of 395 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 ~ 86.5%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Both phones come with 8 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Realme Narzo 90x (8GB+128GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Oppo K13's 50 MP + 2 MP Dual Rear Camera. Oppo K13 will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Realme Narzo 90x (8GB+128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 15 version.
Related Comparisons
Full Comparison
| Name | Realme Narzo 90x (8GB+128GB) | Oppo K13 |
| General | ||
| Country of Origin | India | |
| Model | Narzo 90x | CPH2729 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | December 16, 2025 | April 21, 2025 |
| In The Box | realme NARZO 90x 5G x1, Charger x1, USB data cable x1, SIM Ejector Tool x1, Protective Case x1, Quick Guide x1 | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case |
| Design | ||
| Dimensions | 77.93 x 166.07 x 8.28 mm | 76.1 x 163.2 x 8.5 mm |
| Weight | 212 g | 208 g |
| Bezel less | No | No |
| Colors | Flash Blue, Nitro Blue | Icy Purple, Prism Black |
| Display | ||
| Type | Color LCD Screen (16.7M) | Color AMOLED Screen (16.7 M) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.8 inches, 720 x 1570 pixels, 144 Hz | 6.67 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 254 PPI | ~ 395 PPI |
| Screen to Body Ratio | ~ 90.4% | ~ 86.5% |
| Brightness | 975 nits(typ)/1200 nits(HBM) | Global Default Maximum Brightness: 600nit, Global Excitation Maximum Brightness: 1200nit |
| Features | Vivid mode: 83% DCI-P3, Natural mode: 100% sRGB | Contrast Ratio: Static: 6000000:1, Dynamic: 12000000:1 |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | No | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 10 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | 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 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Support 2.4/5GHz Wi-Fi Support 802.11 a/b/g/n/ac | Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), 802.11a/b/g/n |
| Bluetooth | Yes, v5.3 | Yes, v5.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| AnTuTu Score | 711,176 (Total) (v10) 232,955 (CPU) 180,841 (GPU) 133,763 (Memory) 163,617 (UX) | |
| AnTuTu Storage Score | 93,365 1912 MB/s (Read), 1005 MB/s (Write) | |
| Geekbench Score | 2,873 (Multi Core) (v6) 986 (Single Core) 2,933 (OpenCL) 3,953 (Vulkan) | |
| 3DMark Score | 952 (Wild Life Extreme) (5.71 FPS) | |
| Extra | ||
| GPS | Beidou, GPS, GLONASS, Galileo, QZSS | GPS, AGPS, BDS, GLONASS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity, Ambient light, E-compass, Accelerometer, Gyroscope | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| AI Features | AI Clarity Enhancer, AI Unblur, AI Reflection Remover, AI Eraser, Screen Translator, AI Writer, AI Summary, AI Mobile | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP65 | IP65 |
| Dust Resistant | Yes | Yes |
| Extra Features | 60cm² Graphite + 57cm² Ultra-large VC, GOAT Durablity 50+ Quality Checks | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 2 MP (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) OV50D40 Sensor, 1/2.88 inch Photosensitive Area, 0.612um Single Pixel, FOV: 75.5 Degree, 5P Lens 2 MP ƒ/2.4 (Depth Sensor) OV02B1B Sensor, 1/5.00 inch Photosensitive Area, 1.75um Single Pixel, FOV: 89.1 Degree, 3P Lens |
| Camera Sensor | Sony IMX852 Camera | |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | HDR, Panorama |
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP Punch Hole, Screen Flash | 16 MP ƒ/2.5 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | Realme UI 6.0 | ColorOS 15 |
| Chipset | MediaTek Dimensity 6300 | Qualcomm Snapdragon 6 Gen4 |
| CPU | 2.4 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 1xCortex-A720s@2.3 GHz & 3xCortex-A720s@2.2 GHz & 4xCortex-A520s@1.8 GHz | |
| Fabrication Node | 4nm | |
| GPU | ARM Mali-G57 MC2@1072MHz | Adreno |
| NPU | 6nm | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA | MP3, AMR, APE, OGG, FLAC, WAV, MIDI, WMA |
| Video | AVI, MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, FLV, F4V, WEBM, WMV, ASF, MOV, QT, TS, M2TS, MTS, MKV | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Features | OReality Audio | An Immersive Surround Sound Experience |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Li-ion Battery | 7000 mAh, Graphite Battery |
| Fast Charging | Yes, 60W Fast Charge | Yes, 80W |
| Reverse Charging | Yes | |
| Video Playback Time | 15 hours | |
| Music Playback Time | 32 hours | |