Nothing Phone 3a vs Xiaomi Redmi K20 Pro
Here you can compare Nothing Phone 3a and Xiaomi Redmi K20 Pro. Comparing Nothing Phone 3a vs Xiaomi Redmi K20 Pro on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Nothing Phone 3a stands against Xiaomi Redmi K20 Pro and which one should you buy The current lowest price found for Nothing Phone 3a is ₹24,999 and for Xiaomi Redmi K20 Pro is ₹28,999. The details of both of these products were last updated on Aug 22, 2026.
| Specification | Nothing Phone 3a | Xiaomi Redmi K20 Pro |
|---|---|---|
| Display | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.39 inches, 1080 x 2340 pixels |
| Rear Camera | 50 MP ƒ/1.88 (Wide Angle) 24mm (wide), 1/1.57", 1.0µm, PDAF, OIS, 84.5° FOV 50 MP ƒ/2 (Telephoto) 50mm, 1/2.74", 0.64µm, PDAF (25cm - ∞), 2x optical zoom, 49.5° FOV 8 MP ƒ/2.2 (Ultra Wide) 15mm, 120° FOV, 1/4.0", 1.12µm | 48 MP ƒ/1.75 (Main) 13 MP ƒ/2.4 (Ultra Wide) 8 MP ƒ/2.4 (Telephoto) |
| CPU | 2.5 GHz, Octa Core Processor | 2.8 GHz, Octa Core Processor |
| OS | Android v15 | Android v9.0 (Pie) |
| Battery | 5000 mAh | 4000 mAh, Li-ion Battery |
| Price | ₹24,999 | ₹28,999 |
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Overview
| Specs Score | 66 / 100 Better Specs | 54 / 100 |
| Display Size | 6.77 in Bigger Display | 6.39 in |
| Display Resolution | 1080 x 2392 pixels Better Resolution | 1080 x 2340 pixels |
| RAM | 8 GB More RAM | 6 GB |
| CPU Clock Speed | 2.5 GHz | 2.8 GHz Faster Clock Speed |
| Front Camera | 32 MP Better Front Camera Resolution | 20 MP |
| Weight | 208 g | 191 g Lighter |
| Thickness | 8.35 mm Slimmer | 8.8 mm |
| Battery | 5000 mAh Bigger Battery | 4000 mAh |
| Unique Features | 5G No No NFC Reverse Charging | No 3.5mm Audio Jack FM Radio No No |
General
| Model | A059 | Redmi K20 Pro |
| 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 |
| OS Updates | 3 years | |
| Security Updates | 6 years | |
| Release Date | March 04, 2025 | July 17, 2019 |
| In The Box | Nothing Phone (3a), Nothing Cable (c-c) 100 cm, Phone (3a) Screen Protector (pre-applied), SIM Tray Ejector Tool, Safety Card |
Design
| Dimensions | 77.5 x 163.52 x 8.35 mm | 74.3 x 156.7 x 8.8 mm |
| Weight | 208 g | 191 g |
| Colors | Black, White, Blue |
Display
| Type | Color AMOLED Screen (1B Colors) | Color Horizon AMOLED (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.39 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 387 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 88% | ~ 91.9% |
| Glass Type | Panda Glass | |
| Brightness | 3000 Nits Peak Brightness, 1300 Nits Outdoor Brightness, 800 Nits Typical Brightness | |
| Adaptive Refresh Rate | Yes | |
| Display Dimming | 2160 Hz Pwm Frequency, | |
| Features | Contrast Ratio: 1,000,000:1, 1000 Hz Touch Sampling Rate | Corning Gorilla Glass 5, Always On Display, Dark Mode, Reading Mode 2.0 |
| Notch | Yes, Punch Hole | No |
Memory
| RAM | 8 GB | 6 GB |
| Storage | 128 GB | 128 GB |
| Card Slot | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N28 / N38 / N40 / N41 / N48 / N66 / N77 / N78 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WI-FI 6 | |
| Bluetooth | Yes, v5.4 | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
Performance
| AnTuTu Score | 790,126 (Total) (v10) 257,748 (CPU) 199,042 (GPU) 167,388 (Memory) 161,948 (UX) | |
| Geekbench Score | 3,246 (Multi Core) (v6) 1,167 (Single Core) 3,297 (OpenCL) 4,449 (Vulkan) | |
| 3DMark Score | 1,056 (Wild Life Extreme) | |
| Speaker Score | 84 (Very Good) | |
| Battery Test Result | 13.75 hours |
Extra
| GPS | GPS (L1), GLONASS (G1), BDS (B1I), GALILEO (E1), QZSS (L1) | Dual Frequency GPS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Vibration motor, Proximity, Ambient light, Electronic compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | No | Yes, Hi-Res Audio |
| NFC | Yes | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | 2 High-definition Mics Qualcomm Spectra Image Signal Processor, Glyph Interface: 26 Individually Addressable Zones, 10 New Ringtones and Notification Sounds, Glyph Timer, Essential Notifications, Volume Indicator, Glyph Composer, Glyph Torch, Glyph Progress (Now Supports Google Calendar), Flip to Glyph, Bedtime Schedule, Music Visualisation, Camera Countdown, Glyph Fill Light |
Camera
| Rear Camera | 50 MP ƒ/1.88 (Wide Angle) 24mm (wide), 1/1.57", 1.0µm, PDAF, OIS, 84.5° FOV 50 MP ƒ/2 (Telephoto) 50mm, 1/2.74", 0.64µm, PDAF (25cm - ∞), 2x optical zoom, 49.5° FOV 8 MP ƒ/2.2 (Ultra Wide) 15mm, 120° FOV, 1/4.0", 1.12µm | 48 MP ƒ/1.75 (Main) 13 MP ƒ/2.4 (Ultra Wide) 8 MP ƒ/2.4 (Telephoto) |
| OIS | Yes | |
| Auto Focus | Yes | Yes, Lase AutoFocus |
| Features | 2x Optical Zoom 4x in-sensor Zoom 30x Ultra Zoom | HDR, Panorama, Digital Zoom, Auto Flash, Face detection, Slow Motion, Google Lens |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) 22mm (wide), 1/3.44" Punch Hole, Screen Flash | 20 MP ƒ/2 Front Camera Popup |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
Technical
| OS | Android v15 | Android v9.0 (Pie) |
| Custom UI | Nothing OS 3.1 | |
| Chipset | Qualcomm Snapdragon 7s Gen3 | Qualcomm Snapdragon 855 |
| CPU | 2.5 GHz, Octa Core Processor | 2.8 GHz, Octa Core Processor |
| Core Details | 1x Cortex-A720@2.5 GHz& 3x Cortex-A720@2.4 GHz& 4x Cortex-A520@1.8 GHz | 1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485 |
| Fabrication Node | 4 nm | |
| GPU | Adreno 710 | Adreno 640 |
| NPU | Qualcomm Hexagon NPU | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
Multimedia
| Supports | JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG | |
| Yes | Yes | |
| Music | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 | Yes |
| Video | MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, FLV, WEBM | Yes |
| FM Radio | No | Yes |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh | 4000 mAh, Li-ion Battery |
| Fast Charging | Yes, 50W Fast Charging | Yes, 27W Sonic Charge |
| Reverse Charging | Yes, 7.5W |
Discuss
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