Samsung Galaxy M31 (6GB RAM +128GB) vs OPPO K13x 5G
Quick Comparison
Samsung Galaxy M31 (6GB RAM +128GB) has better RAM than OPPO K13x 5G. In terms of display resolution, Samsung Galaxy M31 (6GB RAM +128GB) has better resolution of 2340 x 1080 than OPPO K13x 5G which has resolution of 1604 x 720. Both have the same amount of internal memory.
| Name | Samsung Galaxy M31 (6GB RAM +128GB) | OPPO K13x 5G |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.4 in | 6.67 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 6000 mAh |
| Camera | 64 MP Quad | 50 MP + 2 MP Dual |
| Price | Rs. 14999 | Rs. 10432 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is February 25, 2020. The cost of Samsung Galaxy M31 (6GB RAM +128GB) is Rs. 14999. The launch Date of the second phone is June 23, 2025. The cost of OPPO K13x 5G is Rs. 10432.
Display comparison
OPPO K13x 5G has larger screen size of 6.67 inches in comparison to Samsung Galaxy M31 (6GB RAM +128GB)'s 6.4 inch screen. Samsung Galaxy M31 (6GB RAM +128GB) has Super AMOLED Screen type where as OPPO K13x 5G has Screen type. Samsung's phone has display density of 403 PPI & OPPO's phone has only 264 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 89.9% than Samsung's phone ~ 84.1%. Samsung Galaxy M31 (6GB RAM +128GB) has 19.5:9 aspect ratio where as OPPO K13x 5G has 20:9 aspect ratio.
Memory comparison
Samsung Galaxy M31 (6GB RAM +128GB)'s larger 6 GB RAM is better for playing games and all with respect to OPPO K13x 5G's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Samsung Galaxy M31 (6GB RAM +128GB)'s 64 MP Quad Rear Camera outshines OPPO K13x 5G's 50 MP + 2 MP Dual Rear Camera in terms of resolution. Samsung Galaxy M31 (6GB RAM +128GB) will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to OPPO K13x 5G's 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 15 version.
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Full Comparison
| Name | Samsung Galaxy M31 (6GB RAM +128GB) | OPPO K13x 5G |
| General | ||
| Country of Origin | India | |
| Model | Galaxy M31 | K13x |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | February 25, 2020 | June 23, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | |
| Design | ||
| Dimensions | 75.1 x 159.2 x 8.9 mm | 76.2 x 165.7 x 7.9 mm |
| Weight | 191 g | 194 g |
| Colors | Midnight Violet, Sunset Peach | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color HD+ LCD (16.7 Million) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.4 inches, 1080 x 2340 pixels | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 403 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 84.1% | ~ 89.9% |
| Glass Type | Corning Gorilla Glass 3 | |
| Brightness | Brightness: 850nit (Normal), 1000nit (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 | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS | |
| Card Slot | Yes, upto 512 GB | Yes, (Hybrid Slot), upto 2 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | 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 | 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) | |
| Bluetooth | Yes, v5.0, A2DP, LE | 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 | yes with A-GPS | Yes, BEIDOU, GPS, GLONASS, GALILEO, QZSS, AGPS |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Sensor, Proximity sensor, Accelerometer, Gyro Sensor, Virtual Light Sensing, Compass | Proximity Sensor, Ambient Light Sensor, E-Compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | Yes |
| 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 | |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Extra Features | UFS 2.1 | Dual-view Video, Outdoor Mode and Glove Touch, Ultra-Volume Mode, Trinity Engine, Screen Translator, Google Gemini App |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Macro) Macro 5 MP ƒ/2.2 (Depth Sensor) | 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) |
| Auto Focus | Yes | Yes |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | 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 | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 60 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) Screen Flash | 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 |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| Technical | ||
| OS | Android v10.0, upgradable to v12 | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | Samsung Exynos 9611 | Mediatek Dimensity 6300 |
| CPU | 2.3 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| GPU | Mali-G72 MP3 | ARM Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | MP3, AAC, AMR, APE, OGG, FLAC, WAV, MIDI, WMA |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV, Webm, TS |
| FM Radio | Yes, with FM Recording | Yes, with FM Recording |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-Po Battery | 6000 mAh, Li-ion Battery |
| Fast Charging | Yes, 15W Fast Charging | Yes, 45W SUPERVOOCTM Flash Charging |
| Talk Time | 2 days | |
| Music Playback Time | 119 hours | |