Xiaomi Redmi K20 (6GB RAM + 128GB) vs Xiaomi Redmi 15 5G
Quick Comparison
Both Xiaomi Redmi K20 (6GB RAM + 128GB) and Xiaomi Redmi 15 5G comes with same RAM. Both have the same amount of internal memory.
| Name | Xiaomi Redmi K20 (6GB RAM + 128GB) | Xiaomi Redmi 15 5G |
| RAM | 6 GB | 6 GB |
|---|---|---|
| Display | 6.39 in | 6.9 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 4000 mAh | 7000 mAh |
| Camera | 48 MP + 13 MP + 8 MP Triple | 50 MP Dual |
| Price | Rs. 16990 | Rs. 14999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 17, 2019. The cost of Xiaomi Redmi K20 (6GB RAM + 128GB) is Rs. 16990. The launch Date of the second phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G is Rs. 14999.
Display comparison
Xiaomi Redmi 15 5G has larger screen size of 6.9 inches in comparison to Xiaomi Redmi K20 (6GB RAM + 128GB)'s 6.39 inch screen. Xiaomi Redmi K20 (6GB RAM + 128GB) has AMOLED Screen type where as Xiaomi Redmi 15 5G has IPS Screen type. Xiaomi Redmi K20 (6GB RAM + 128GB) has display density of 403 PPI & Xiaomi Redmi 15 5G has only 374 PPI display density. In terms of screen to body ratio, Xiaomi Redmi K20 (6GB RAM + 128GB) has better screen to body ratio of ~ 91.9% than Xiaomi Redmi 15 5G's ~ 83.2%. Xiaomi Redmi K20 (6GB RAM + 128GB) has 19.5:9 aspect ratio where as Xiaomi Redmi 15 5G has 20.6:9 aspect ratio.
Memory comparison
Both phones come with 6 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Xiaomi Redmi 15 5G's 50 MP Dual Rear Camera outshines Xiaomi Redmi K20 (6GB RAM + 128GB)'s 48 MP + 13 MP + 8 MP Triple Rear Camera in terms of resolution. Xiaomi Redmi K20 (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Xiaomi Redmi 15 5G's 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 9.0 and the second one on 15 version.
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Full Comparison
| Name | Xiaomi Redmi K20 (6GB RAM + 128GB) | Xiaomi Redmi 15 5G |
| General | ||
| Model | Redmi K20 | 15C 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 2 years | |
| Security Updates | 4 years | |
| Release Date | July 17, 2019 | August 01, 2025 |
| In The Box | Mobile Phone * 1, Adapter * 1, USB Type-C cable * 1, SIM Eject Tool * 1, Quick Start Guide, & Warranty Card * 1, Safety Information * 1 | |
| Design | ||
| Dimensions | 74.3 x 156.7 x 8.8 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 191 g | 217 g |
| Colors | Sandy Purple, Frosted White, Midnight Black | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes, 288 Hz Touch Sampling Rate |
| Size | 6.39 inches, 1080 x 2340 pixels | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Aspect Ratio | 19.5:9 | 20.6:9 |
| PPI | ~ 403 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 91.9% | ~ 83.2% |
| Brightness | 850nits Peak Brightness | |
| Features | Corning Gorilla Glass 5, Always On Display, Dark Mode, Reading Mode 2.0 | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light |
| Notch | No | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | No | Yes, upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 | |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Vibration moto,r Proximity, Ambient light, Electronic compass, Accelerometer, Gyroscope | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | Yes |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | UFS2.1 | Hydro Touch |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.8 (Main) 13 MP ƒ/2.4 (Wide Angle) 8 MP ƒ/2.4 (Telephoto) | 50 MP ƒ/1.75 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Triple camera zoom, PDAF Focus mode, Monochrome Dual Flash, Slow Motion | AI Sky, AI Erase, Classic Film Filters |
| Video Recording | 1080p @ 120/30/60 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP ƒ/2.2 Popup | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v9.0 (Pie), upgradable to v11 | Android v15 |
| Custom UI | HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 730 | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 |
| GPU | Adreno 618 | Adreno 619 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Speaker Type | Bottom Firing Loud Speaker | |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 18W Fast Charging | Yes, 33W |
| Reverse Charging | Yes, 18W | |