Nothing Phone 3a (8GB RAM + 256GB) vs Xiaomi Redmi 15 5G (8GB RAM + 128GB)
Quick Comparison
Both Nothing Phone 3a (8GB RAM + 256GB) and Xiaomi Redmi 15 5G (8GB RAM + 128GB) comes with same RAM. In terms of display resolution, Nothing Phone 3a (8GB RAM + 256GB) has better resolution of 2392 x 1080 than Xiaomi Redmi 15 5G (8GB RAM + 128GB) which has resolution of 2340 x 1080. Nothing Phone 3a (8GB RAM + 256GB) has more internal memory than Xiaomi Redmi 15 5G (8GB RAM + 128GB)
| Name | Nothing Phone 3a (8GB RAM + 256GB) | Xiaomi Redmi 15 5G (8GB RAM + 128GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.77 in | 6.9 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 5000 mAh | 7000 mAh |
| Camera | 50 MP + 50 MP + 8 MP Triple | 50 MP Dual |
| Price | Rs. 25999 | Rs. 20498 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 04, 2025. The cost of Nothing Phone 3a (8GB RAM + 256GB) is Rs. 25999. The launch Date of the second phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G (8GB RAM + 128GB) is Rs. 20498.
Display comparison
Xiaomi Redmi 15 5G (8GB RAM + 128GB) has larger screen size of 6.9 inches in comparison to Nothing Phone 3a (8GB RAM + 256GB)'s 6.77 inch screen. Nothing Phone 3a (8GB RAM + 256GB) has AMOLED Screen type where as Xiaomi Redmi 15 5G (8GB RAM + 128GB) has IPS Screen type. Nothing's phone has display density of 387 PPI & Xiaomi's phone has only 374 PPI display density. In terms of screen to body ratio, Nothing's phone has better screen to body ratio of ~ 88% than Xiaomi's phone ~ 83.2%. Nothing Phone 3a (8GB RAM + 256GB) has 20:9 aspect ratio where as Xiaomi Redmi 15 5G (8GB RAM + 128GB) has 20.6:9 aspect ratio.
Memory comparison
Both phones come with 8 GB RAM Nothing Phone 3a (8GB RAM + 256GB) has more Internal Memory (256 GB) than Xiaomi Redmi 15 5G (8GB RAM + 128GB) (128 GB).
Camera comparison
They both have the same 50 MP + 50 MP + 8 MP Triple Rear Camera. Nothing Phone 3a (8GB RAM + 256GB) 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 15 5G (8GB RAM + 128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Nothing Phone 3a (8GB RAM + 256GB) | Xiaomi Redmi 15 5G (8GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | A059 | 15 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 3 years | 2 years |
| Security Updates | 6 years | 4 years |
| Release Date | March 04, 2025 | August 01, 2025 |
| In The Box | Nothing Phone (3a), Nothing Cable (c-c) 100 cm, Phone (3a) Screen Protector (pre-applied), SIM Tray Ejector Tool, Safety Card | 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 | 77.5 x 163.52 x 8.35 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 201 g | 217 g |
| Colors | Black, White, Blue | Sandy Purple, Frosted White, Midnight Black |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes, 288 Hz Touch Sampling Rate |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| PPI | ~ 387 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 88% | ~ 83.2% |
| Glass Type | Panda Glass | |
| Brightness | 850nits Peak Brightness | |
| Features | Contrast Ratio: 1,000,000:1, 1000 Hz Touch Sampling Rate, 2160 Hz Pwm Frequency, 3000 Nits Peak Brightness, 1300 Nits Outdoor Brightness, 800 Nits Typical Brightness | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78 | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WiFi 6,802.11a/b/g/n/ac/ax, 2.4G/5G, 2x2 MIMO, TWT, 8SS, MU-MIMO, OFDMA Wi-Fi Direct, Advanced Hotspot | |
| Bluetooth | Yes, v5.4, A2DP, BLE | Yes, v5.1, A2DP, LE |
| 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 |
| IR Blaster | Yes | |
| 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) | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| 3.5mm Headphone Jack | No | |
| NFC | Yes | |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | Yes |
| IP Rating | IP64 | IP64 |
| Dust Resistant | Yes | 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 | Hydro Touch |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.9 (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 | 50 MP ƒ/1.75 (Wide Angle) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | 2x Optical Zoom 4x in-sensor Zoom 30x Ultra Zoom | AI Sky, AI Erase, Classic Film Filters |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) 22mm (wide), 1/3.44" Punch Hole, Screen Flash | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Nothing OS 3.1 | HyperOS 2 |
| Chipset | Qualcomm Snapdragon 7s Gen3 | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2.5 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 1x Cortex-A720@2.5 GHz& 3x Cortex-A720@2.4 GHz& 4x Cortex-A520@1.8 GHz | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 |
| Fabrication Node | 4 nm | |
| GPU | Adreno 710 | Adreno 619 |
| 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 | Bottom Firing Loud Speaker |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 50W Fast Charging | Yes, 33W |
| Reverse Charging | Yes, 7.5W | Yes, 18W |