Oppo K13 (8GB RAM + 256GB) vs Samsung Galaxy M21 (6GB RAM + 128GB)
Here you can compare Oppo K13 (8GB RAM + 256GB) and Samsung Galaxy M21 (6GB RAM + 128GB). Comparing Oppo K13 (8GB RAM + 256GB) vs Samsung Galaxy M21 (6GB RAM + 128GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Oppo K13 (8GB RAM + 256GB) stands against Samsung Galaxy M21 (6GB RAM + 128GB) and which one should you buy The current lowest price found for Oppo K13 (8GB RAM + 256GB) is ₹24,980 and for Samsung Galaxy M21 (6GB RAM + 128GB) is ₹14,499. The details of both of these products were last updated on Jul 18, 2026.
| Specification | Oppo K13 (8GB RAM + 256GB) | Samsung Galaxy M21 (6GB RAM + 128GB) |
|---|---|---|
| RAM | 8 GB | 6 GB |
| Battery | 7000 mAh, Graphite Battery | 6000 mAh, Li-Po Battery |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Internal Memory | 256 GB | 128 GB |
| Rear Camera | 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 | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) |
| Price | ₹24,980 | ₹14,499 |
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Overview
| Specs Score | 63 / 100 Better Specs | 52 / 100 |
| Display Resolution | 1080 x 2400 pixels Better Resolution | 1080 x 2340 pixels |
| RAM | 8 GB More RAM | 6 GB |
| Storage | 256 GB More Storage | 128 GB |
| Front Camera | 16 MP | 20 MP Better Front Camera Resolution |
| Weight | 208 g | 188 g Lighter |
| Battery | 7000 mAh Bigger Battery | 6000 mAh |
| Unique Features | 5G No No No IR Blaster | No 3.5mm Audio Jack FM Radio Memory Card Support No |
General
| Model | CPH2729 | Galaxy M21 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | April 21, 2025 | March 18, 2020 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case |
Design
| Dimensions | 76.1 x 163.2 x 8.5 mm | 75.1 x 159 x 8.9 mm |
| Weight | 208 g | 188 g |
| Bezel less | No | |
| Colors | Icy Purple, Prism Black |
Display
| Type | Color AMOLED Screen (16.7 M) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.67 inches, 1080 x 2400 pixels, 120 Hz | 6.4 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 395 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 86.5% | ~ 84.2% |
| Glass Type | Corning Gorilla Glass 3 | |
| Brightness | Global Default Maximum Brightness: 600nit, Global Excitation Maximum Brightness: 1200nit | |
| Features | Contrast Ratio: Static: 6000000:1, Dynamic: 12000000:1 | 420 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Curved Display | No |
Memory
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 512 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), 802.11a/b/g/n | |
| Bluetooth | Yes, v5.2 | Yes, v5.0 |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | 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) | |
| 3DMark Score | 952 (Wild Life Extreme) (5.71 FPS) |
Extra
| GPS | GPS, AGPS, BDS, GLONASS, GALILEO, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing |
| 3.5mm Headphone Jack | No | Yes |
| AI Features | AI Clarity Enhancer, AI Unblur, AI Reflection Remover, AI Eraser, Screen Translator, AI Writer, AI Summary, AI Mobile | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Extra Features | 60cm² Graphite + 57cm² Ultra-large VC, GOAT Durablity 50+ Quality Checks |
Camera
| Rear Camera | 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 | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | Panorama, HDR |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 60 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2.5 (Wide Angle) Punch Hole | 20 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v15 | Android v10.0, upgradable to v11 |
| Custom UI | ColorOS 15 | |
| Chipset | Qualcomm Snapdragon 6 Gen4 | Samsung Exynos 9611 |
| CPU | 2.3 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 | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 |
| Fabrication Node | 4nm | |
| GPU | Adreno | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | MP3, AMR, APE, OGG, FLAC, WAV, MIDI, WMA | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM |
| FM Radio | No | Yes |
| Speaker Type | Dual Stereo | |
| Audio Features | An Immersive Surround Sound Experience | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Graphite Battery | 6000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W | Yes, 15W Fast Charging |
| Video Playback Time | 15 hours | |
| Music Playback Time | 32 hours |
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