Xiaomi Redmi K20 (6GB RAM + 128GB) vs Xiaomi 15
Quick Comparison
Xiaomi 15 has better RAM than Xiaomi Redmi K20 (6GB RAM + 128GB). In terms of display resolution, Xiaomi 15 has better resolution of 2670 x 1200 than Xiaomi Redmi K20 (6GB RAM + 128GB) which has resolution of 2340 x 1080. Xiaomi 15 has more internal memory than Xiaomi Redmi K20 (6GB RAM + 128GB)
| Name | Xiaomi Redmi K20 (6GB RAM + 128GB) | Xiaomi 15 |
| RAM | 6 GB | 12 GB |
|---|---|---|
| Display | 6.39 in | 6.36 in |
| Internal Memory | 128 GB | 512 GB |
| Battery | 4000 mAh | 5240 mAh |
| Camera | 48 MP + 13 MP + 8 MP Triple | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 17989 (Buy Now) | Rs. 64999 (Buy Now) |
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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. 17989. The launch Date of the second phone is March 11, 2025. The cost of Xiaomi 15 is Rs. 64999.
Display comparison
Xiaomi Redmi K20 (6GB RAM + 128GB) has larger screen size of 6.39 inches in comparison to Xiaomi 15's 6.36 inch screen. Xiaomi Redmi K20 (6GB RAM + 128GB) has AMOLED Screen type where as Xiaomi 15 has OLED Screen type. Xiaomi 15 has display density of 460 PPI & Xiaomi Redmi K20 (6GB RAM + 128GB) has only 403 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 15's ~ 90%. Xiaomi Redmi K20 (6GB RAM + 128GB) has 19.5:9 aspect ratio where as Xiaomi 15 has 20.5:9 aspect ratio.
Memory comparison
Xiaomi 15's larger 12 GB RAM is better for playing games and all with respect to Xiaomi Redmi K20 (6GB RAM + 128GB)'s lower 6 GB RAM. Xiaomi 15 has more Internal Memory (512 GB) than Xiaomi Redmi K20 (6GB RAM + 128GB) (128 GB).
Camera comparison
Xiaomi 15's 50 MP + 50 MP + 50 MP Triple Rear Camera outshines Xiaomi Redmi K20 (6GB RAM + 128GB)'s 48 MP + 13 MP + 8 MP Triple Rear Camera in terms of resolution. Xiaomi 15 will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Redmi K20 (6GB RAM + 128GB)'s 20 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 15 |
| General | ||
| Model | Redmi K20 | 15 |
| 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 |
| Release Date | July 17, 2019 | March 11, 2025 |
| In The Box | Mobile Phone, Adapter, USB Type-C Cable, SIM Eject Tool, Protective Case, Safety Information, Quick Start Guide and Warranty Card, Desiccant | |
| Design | ||
| Dimensions | 74.3 x 156.7 x 8.8 mm | 71.2 x 152.3 x 8.08 mm |
| Weight | 191 g | 191 g |
| Colors | White, Black, Green | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color OLED Screen (68B) |
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate |
| Size | 6.39 inches, 1080 x 2340 pixels | 6.36 inches, 1200 x 2670 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20.5:9 |
| PPI | ~ 403 PPI | ~ 460 PPI |
| Screen to Body Ratio | ~ 91.9% | ~ 90% |
| Features | Corning Gorilla Glass 5, Always On Display, Dark Mode, Reading Mode 2.0 | Peak Brightness: 3200 Nits Covering 25% Display Area, Dimming: DC Dimming, Original Color Pro, Pro HDR, Wet Touch Technology, HDR10, HDR10+, Dolby Vision, TÜV Rheinland Low Blue Light (Hardware Solution) Certified, TÜV Rheinland Flicker Free Certified, TÜV Rheinland Circadian Friendly Certified |
| Notch | No | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 12 GB |
| Storage | 128 GB | 512 GB |
| Storage Type | UFS 4.0 | |
| Card Slot | No | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | SA: n1/2/3/5/7/8/12/20/25/26/28/38/40/41/48/66/75/77/78, NSA: n1/3/5/7/8/20/28/38/40/41/66/75/77/78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 | |
| Bluetooth | Yes, v5.0 | Yes, v6.0, A2DP, LE, aptX HD, aptX Adaptive |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| 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 | GPS: L1+L5, Galileo: E1+E5a, GLONASS: G1, Beidou, QZSS: L1 + L5, NavIC: L5, A-GPS Supplementary Positioning, Electronic Compass, Wireless Network, Data Network, SAP |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Vibration moto,r Proximity, Ambient light, Electronic compass, Accelerometer, Gyroscope | Proximity Sensor, Ambient Light Sensor, Accelerometer, Gyroscope, Electronic Compass, IR Blaster, Laser Focus Sensor, Barometer, Flicker Sensor, X-Axis Linear Vibration Motor |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Extra Features | UFS2.1 | RAM: LPDDR5X 8533 Mbps, Xiaomi HyperAI, AI Writing, AI Speech Recognition, AI Interpreter, AI Creativity Assistant, And More, Circle to Search With Google, Google Gemini, Xiaomi Wing-type IceLoop system, Dolby Atmos |
| 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/1.6 (Wide Angle) 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP ƒ/2 (Telephoto) 60mm, PDAF (10cm - ∞), OIS, 3x optical zoom 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ |
| Camera Sensor | Light Fusion 900 | |
| Auto Focus | Yes | Yes |
| Features | Triple camera zoom, PDAF Focus mode, Monochrome Dual Flash, Slow Motion | Laser AF, Leica lens, dual-tone, Two Leica Photographic Styles (Leica Authentic Look, Leica Vibrant Look), Leica Filters, Leica Classic Shutter Sound, Leica Watermark, Xiaomi ProFocus (Motion Tracking Focus, Eye Tracking Focus and Motion Capture), Lightning Burst, Digital Zoom Up to 60x, HDR, Dynamic Shot, Portrait Mode, Master-Lens System (23mm, 35mm, 60mm, 75mm), Night Mode (Wide/Ultra Wide/Telephoto), 50MP Mode (Wide/Ultra Wide/Telephoto), Super Macro, Panorama, Long Exposure, Documents, Fastshot Mode, Supermoon, Pro Mode, Image Formats Captured: DNG, HEIF, JPEG, RAW Mode |
| Video Recording | 1080p @ 120/30/60 fps FHD, 720p @ 30 fps HD | 8K @ 24/30 fps UHD, 4K @ 24/30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 20 MP ƒ/2.2 Popup | 32 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD |
| Technical | ||
| OS | Android v9.0 (Pie), upgradable to v11 | Android v15 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 730 | Qualcomm Snapdragon 8 Elite |
| CPU | 2.2 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Core Details | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz |
| GPU | Adreno 618 | Adreno 830 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, FLAC, APE, AAC, OGG, WAV, AMR, AWB |
| Video | Yes | MP4, MKV, WEBM, 3GP, TS, Supports HDR Display When Playing HDR10+, Dolby Vision, HDR Vivid Video Content |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 5240 mAh, Si/C |
| Fast Charging | Yes, 18W Fast Charging | Yes, 90W HyperCharge |
| Wireless Charging | Yes, 50W HyperCharge | |
| Reverse Charging | Yes | |