Realme C21 (4GB RAM + 64GB) vs Nothing Phone 3a
Quick Comparison
Nothing Phone 3a has better RAM than Realme C21 (4GB RAM + 64GB). In terms of display resolution, Nothing Phone 3a has better resolution of 2392 x 1080 than Realme C21 (4GB RAM + 64GB) which has resolution of 720 x 1600. Nothing Phone 3a has more internal memory than Realme C21 (4GB RAM + 64GB)
| Name | Realme C21 (4GB RAM + 64GB) | Nothing Phone 3a |
| RAM | 4 GB | 8 GB |
|---|---|---|
| Display | 6.5 in | 6.77 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 5000 mAh | 5000 mAh |
| Camera | 13 MP + 2 MP + 2 MP Triple | 50 MP + 50 MP + 8 MP Triple |
| Price | Rs. 9999 | Rs. 24999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is April 8, 2021. The cost of Realme C21 (4GB RAM + 64GB) is Rs. 9999. The launch Date of the second phone is March 04, 2025. The cost of Nothing Phone 3a is Rs. 24999.
Display comparison
Nothing Phone 3a has larger screen size of 6.77 inches in comparison to Realme C21 (4GB RAM + 64GB)'s 6.5 inch screen. Realme C21 (4GB RAM + 64GB) has IPS LCD Screen type where as Nothing Phone 3a has AMOLED Screen type. Nothing's phone has display density of 387 PPI & Realme's phone has only 269 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 89.5% than Nothing's phone ~ 88%. Realme C21 (4GB RAM + 64GB) has 20:09 aspect ratio where as Nothing Phone 3a has 20:9 aspect ratio.
Memory comparison
Nothing Phone 3a's larger 8 GB RAM is better for playing games and all with respect to Realme C21 (4GB RAM + 64GB)'s lower 4 GB RAM. Nothing Phone 3a has more Internal Memory (128 GB) than Realme C21 (4GB RAM + 64GB) (64 GB).
Camera comparison
Nothing Phone 3a's 50 MP + 50 MP + 8 MP Triple Rear Camera outclasses Realme C21 (4GB RAM + 64GB)'s 13 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Nothing Phone 3a will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Realme C21 (4GB RAM + 64GB)'s 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 15 version.
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Full Comparison
| Name | Realme C21 (4GB RAM + 64GB) | Nothing Phone 3a |
| General | ||
| Model | RMX3201, C21 | A059 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 3 years | |
| Security Updates | 6 years | |
| Release Date | April 8, 2021 | March 04, 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 | |
| Design | ||
| Dimensions | 76.4 x 165.2 x 8.9 mm | 77.5 x 163.52 x 8.35 mm |
| Weight | 190 g | 201 g |
| Colors | Black, White, Blue | |
| Display | ||
| Type | Color IPS LCD Screen (16.7M) | Color AMOLED Screen (1B Colors) |
| Touch | Yes, 120 Hz Touch Sampling Rate | Yes |
| Size | 6.5 inches, 1600 x 720 pixels, 60 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:09 | 20:9 |
| PPI | ~ 269 PPI | ~ 387 PPI |
| Screen to Body Ratio | ~ 89.5% | ~ 88% |
| Glass Type | Panda Glass | |
| Features | 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3 | 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 |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 4 GB | 8 GB |
| Storage | 64 GB | 128 GB |
| Card Slot | Yes, upto 256 GB | |
| 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 | Yes, Dual Stand-By |
| 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, v5.0 | Yes, v5.4, A2DP, BLE |
| USB | Yes, microUSB | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| 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 | Yes | GPS (L1), GLONASS (G1), BDS (B1I), GALILEO (E1), QZSS (L1) |
| Fingerprint Sensor | Yes, Rear | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Night Shield, Step Tracker, Game Space, APP Market, Theme Store, Clone Phone, Phone Manager, Telephone Number Identification, TUV Rheinland Certified | 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 | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono | 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 |
| Camera Sensor | CMOS Sensor | |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Supports 20 Continuous Shooting, Photograph Functions: Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, Ultra Macro, AI Beauty, Filter, Chroma Boost, Video Recording Functions: Filter, Slow Motion, HDR | 2x Optical Zoom 4x in-sensor Zoom 30x Ultra Zoom |
| Video Recording | 720p, 720P | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP | 32 MP ƒ/2.2 (Wide Angle) 22mm (wide), 1/3.44" Punch Hole, Screen Flash |
| Front Video Recording | 720p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10, upgradable to v11 | Android v15 |
| Custom UI | Nothing OS 3.1 | |
| Chipset | MediaTek Helio G35 | Qualcomm Snapdragon 7s Gen3 |
| CPU | 2.3 GHz, Octa Core Processor | 2.5 GHz, Octa Core Processor |
| Core Details | Arm Cortex-A53 | 1x Cortex-A720@2.5 GHz& 3x Cortex-A720@2.4 GHz& 4x Cortex-A520@1.8 GHz |
| Fabrication Node | 4 nm | |
| GPU | IMG GE8320 | Adreno 710 |
| NPU | Qualcomm Hexagon NPU | |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Supports | JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG | |
| Yes | Yes | |
| Music | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 |
| Video | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV | MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, FLV, WEBM |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5000 mAh |
| Fast Charging | Yes, 50W Fast Charging | |
| Reverse Charging | Yes | Yes, 7.5W |