Realme C73 (4GB RAM + 128GB) vs OPPO K13x 5G
Quick Comparison
Both Realme C73 (4GB RAM + 128GB) and OPPO K13x 5G comes with same RAM. Both have the same amount of internal memory.
| Name | Realme C73 (4GB RAM + 128GB) | OPPO K13x 5G |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.67 in | 6.67 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 6000 mAh |
| Camera | 32 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 11419 | Rs. 11999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is June 02, 2025. The cost of Realme C73 (4GB RAM + 128GB) is Rs. 11419. The launch Date of the second phone is June 23, 2025. The cost of OPPO K13x 5G is Rs. 11999.
Display comparison
Realme C73 (4GB RAM + 128GB) has IPS LCD Screen type where as OPPO K13x 5G has LCD Screen type. Both have same 264 PPI. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 93% than Realme's phone ~ 89.97%. Realme C73 (4GB RAM + 128GB) has 20.05:9 aspect ratio where as OPPO K13x 5G has 20:9 aspect ratio.
Memory comparison
Both mobiles come with 4 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
OPPO K13x 5G's 50 MP + 2 MP Dual Rear Camera outclasses Realme C73 (4GB RAM + 128GB)'s 32 MP Dual Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
Related Comparisons
Full Comparison
| Name | Realme C73 (4GB RAM + 128GB) | OPPO K13x 5G |
| General | ||
| Country of Origin | India | India |
| Model | RMX3945 | K13x |
| 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 | June 02, 2025 | June 23, 2025 |
| In The Box | realme C73 5G, USB Type-C Cable, 15W Adapter, Protect Case, SIM Card Needle, Screen Protect Film, Quick Guide | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case |
| Design | ||
| Dimensions | 76.22 x 165.7 x 7.94 mm | 76.2 x 165.7 x 7.9 mm |
| Weight | 197 g | 194 g |
| Bezel less | No | |
| Colors | Jade Green, Crystal Purple, Onyx Black | Midnight Violet, Sunset Peach |
| Display | ||
| Type | Color IPS LCD Screen (16.7 M) | Color LCD Screen (1B Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| Aspect Ratio | 20.05:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 89.97% | ~ 93% |
| Brightness | Peak Brightness：625nit, Brightness Adjustment: 4096 Level | Brightness: 850nit (Normal), 1000nit (HBM) |
| Features | Contrast Ratio: 1500: 1, Colour Gamut: 83% NTSC | Color Saturation: 83% NTSC, Color Gamut: 88% DCI-P3 (Vivid Mode), 100% sRGB (Natural Mode), Contrast Ratio: 1500:1 (Typical), Supports Dark Mode, DC Dimming, Supports Eye Comfort, Supports Sunlight Screen |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB | Yes, upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G NR: n1/3/5/8/28B/40/41/77/78 | n1/n3/n5/n8/n28B/n40/n41/n77/n78 |
| VoLTE | Yes, Dual Stand-By | Yes |
| 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 2.4G, Wi-Fi 5G, Wi-Fi 5 (802.11ac), 802.11b/g/a/n, WLAN Display, WLAN tethering |
| Bluetooth | Yes, v5.3 | Yes, v5.4, SBC, AAC, aptX, aptX HD, and LDAC |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1), QZSS(L1) | Yes, with BeiDou: B1I; GPS: L1; GLONASS: G1; Galileo: E1; QZSS: L1 |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity Sensor, Light Sensor, Acceleration Sensor, Flicker Sensor, Side Capacitive Fingerprint Sensor | Proximity Sensor, Ambient Light Sensor, E-Compass, Accelerometer, Side Fingerprint Sensor |
| 3.5mm Headphone Jack | Yes | Yes |
| AI Features | AI Smart Signal Adjustment, AI Clear Face, Google Gemini, AI Smart Loop | |
| Water Resistance | 1.18 m upto 1.05 min | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP64 | IP65 |
| Dust Resistant | Yes | Yes |
| Extra Features | Free Call (Through Bluetooth) | |
| Camera | ||
| Rear Camera | 32 MP ƒ/1.8 (Wide Angle) GALAXYCORE GC32E2, 27mm, FOV: 76°, Lens: 5P | 50 MP ƒ/1.8 (Wide Angle) 2 MP (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Photo Mode, Video Mode, Night Mode, Professional Mode, Portrait Mode, HighDefinition Mode, Street Mode, Panorama, Slow Motion, Time-lapse, SuperText Mode, Dual-view Video, Google Lens, Digital Zoom 10X | Photo, Video, Portrait, Night, Pro, Panorama, Slo-Mo, Dual View Video, Timelapse, Sticker, Hypertext, Hi-Res, Google Lens, Supports Fill Light for Video Shooting |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 60 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 8 MP (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Realme UI 6 | ColorOS 15 |
| 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 | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| Fabrication Node | 6nm | |
| GPU | Arm Mali-G57 MC2 | Arm Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA | Yes |
| Video | H.264, MPEG4, DIVX/XVID, H.263, SORENSEN SPARK, VP8, VP9, H.265, AV1 | Yes |
| FM Radio | No | No |
| Speaker Type | Super Linear Speaker | |
| Audio Features | Supports OReality Audio effect, Hi-Res Audio Certification | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, BLPB47 Lithium Ion Battery | 6000 mAh, Li-ion Battery |
| Fast Charging | Yes, 15W Fast Charging | Yes, 45W Fast charging |
| Reverse Charging | Yes, 5W | |