Both Realme Narzo 90 (8GB RAM +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 90 (8GB RAM +128GB) which has resolution of 2372 x 1080. Both have the same amount of internal memory.
| Name | Realme Narzo 90 (8GB RAM +128GB) | Oppo K13 |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.57 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. 18499 | Rs. 17820 |
The launch Date of the first phone is December 16, 2025. The cost of Realme Narzo 90 (8GB RAM +128GB) is Rs. 18499. The launch Date of the second phone is April 21, 2025. The cost of Oppo K13 is Rs. 17820.
Realme Narzo 90 (8GB RAM +128GB) has screen size of 6.57 inches which falls short to Oppo K13's 6.67 inch screen. Both the phones have AMOLED Screen Type. Realme's phone has display density of 397 PPI & OPPO's phone has only 395 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 ~ 86.5%. Both mobiles have same aspect ratio of 20:9.
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
Realme Narzo 90 (8GB RAM +128GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Oppo K13's 50 MP + 2 MP Dual Rear Camera. Realme Narzo 90 (8GB RAM +128GB) 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 K13's 16 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Realme Narzo 90 (8GB RAM +128GB) | Oppo K13 |
| General | ||
| Country of Origin | India | |
| Model | Narzo 90 | CPH2729 |
| Sim Type | Dual Sim (Hybrid Slot) | Dual Sim, GSM+GSM |
| 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 | December 16, 2025 | April 21, 2025 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Protective Case x 1 | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case |
| Design | ||
| Dimensions | 75.19 x 158.36 x 7.79 mm | 76.1 x 163.2 x 8.5 mm |
| Weight | 181 g | 208 g |
| Bezel less | No | |
| Colors | Carbon Black, Victory Gold | Icy Purple, Prism Black |
| Display | ||
| Type | Color AMOLED Screen (1.07 B) | Color AMOLED Screen (16.7 M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.57 inches, 1080 x 2372 pixels, 120 Hz | 6.67 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 397 PPI | ~ 395 PPI |
| Screen to Body Ratio | ~ 93% | ~ 86.5% |
| Glass Type | DT Star D+ | |
| Brightness | Normal brightness: 1000 nits(Typical), HBM: 1400 nits(Typical | Global Default Maximum Brightness: 600nit, Global Excitation Maximum Brightness: 1200nit |
| Features | Vivid mode: 100% DCI-P3, Natural mode: 100% sRGB, Cinematic mode: 100% DCI-P3, Colorful mode: 100% DCI-P3. Eye Care, 2160Hz PWM Dimming | Contrast Ratio: Static: 6000000:1, Dynamic: 12000000:1 |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | No | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR5X | |
| Expandable RAM | Upto 10 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 3.1 |
| Card Slot | 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 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 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, | Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), 802.11a/b/g/n |
| Bluetooth | Yes, v5.3, A2DP, LE | 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 | GPS(L1), GLONASS(G1), BDS(B1I), Galileo(E1), QZSS(L1) | GPS, AGPS, BDS, GLONASS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, Color temperature sensor, E-compass, Accelerometer, Gyroscope, In-display optical fingerprint sensor, Infrared remote control | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| AI Features | Ai Edit | AI Clarity Enhancer, AI Unblur, AI Reflection Remover, AI Eraser, Screen Translator, AI Writer, AI Summary, AI Mobile |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP66+IP68+IP69 | IP65 |
| Dust Resistant | Yes | Yes |
| Extra Features | Bypass Charging | 60cm² Graphite + 57cm² Ultra-large VC, GOAT Durablity 50+ Quality Checks |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) FOV 75.5°; 5P lens; AF Supported 2 MP ƒ/2.4 FOV 88.8°; 3P lens | 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 |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, Cinematic, SLO-MO, Dual-view video, TIME-LAPSE, HI-RES, Underwater, PRO, Hypertext, TILT-SHIFT | HDR, Panorama |
| Video Recording | 1080p, 720p | 4K @ 30 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2.4 (Wide Angle) FOV 86.7°; 5P lens Punch Hole, Screen Flash | 16 MP ƒ/2.5 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p, 720p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | realme UI 6.0 | ColorOS 15 |
| Chipset | MediaTek Dimensity 6400 Max | Qualcomm Snapdragon 6 Gen4 |
| CPU | 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 | Mali G57 MC2 @1.07GHz | Adreno |
| 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 | 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 Dart Charge | Yes, 80W |
| Reverse Charging | Yes | |
| Video Playback Time | 15 hours | |
| Music Playback Time | 32 hours | |