Both Realme 13 5G (8GB RAM +256GB) and Nothing Phone 3a (8GB RAM + 256GB) comes with same RAM. In terms of display resolution, Realme 13 5G (8GB RAM +256GB) has better resolution of 2400 x 1080 than Nothing Phone 3a (8GB RAM + 256GB) which has resolution of 2392 x 1080. Both have the same amount of internal memory.
| Name | Realme 13 5G (8GB RAM +256GB) | Nothing Phone 3a (8GB RAM + 256GB) | 
| RAM | 8 GB | 8 GB | 
|---|---|---|
| Display | 6.72 in | 6.77 in | 
| Internal Memory | 256 GB | 256 GB | 
| Battery | 5000 mAh | 5000 mAh | 
| Camera | 50 MP + 2 MP Dual | 50 MP + 50 MP + 8 MP Triple | 
| Price | Rs. 16159 | Rs. 24194 | 
The launch Date of the first phone is August 29, 2024. The cost of Realme 13 5G (8GB RAM +256GB) is Rs. 16159. The launch Date of the second phone is March 04, 2025. The cost of Nothing Phone 3a (8GB RAM + 256GB) is Rs. 24194.
Nothing Phone 3a (8GB RAM + 256GB) has larger screen size of 6.77 inches in comparison to Realme 13 5G (8GB RAM +256GB)'s 6.72 inch screen. Realme 13 5G (8GB RAM +256GB) has IPS Screen type where as Nothing Phone 3a (8GB RAM + 256GB) has AMOLED Screen type. Realme's phone has display density of 392 PPI & Nothing's phone has only 387 PPI display density. In terms of screen to body ratio, Nothing's phone has better screen to body ratio of ~ 88% than Realme's phone ~ 86.5%. Realme 13 5G (8GB RAM +256GB) has 20.06:9 aspect ratio where as Nothing Phone 3a (8GB RAM + 256GB) has 20:9 aspect ratio.
Both phones come with 8 GB RAM and both have same Internal Memory of 256 GB.
They both have the same 50 MP + 2 MP Dual 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 Realme 13 5G (8GB RAM +256GB)'s 16 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 15 version.
| Name | Realme 13 5G (8GB RAM +256GB) | Nothing Phone 3a (8GB RAM + 256GB) | 
| General | ||
| Country of Origin | India | |
| Model | RMX3951 | A059 | 
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | 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 | August 29, 2024 | March 04, 2025 | 
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Safety Guide, Quick Guide, Protective Case | Nothing Phone (3a), Nothing Cable (c-c) 100 cm, Phone (3a) Screen Protector (pre-applied), SIM Tray Ejector Tool, Safety Card | 
| Design | ||
| Dimensions | 76.1 x 165.6 x 7.8 mm | 77.5 x 163.52 x 8.35 mm | 
| Weight | 190 g | 201 g | 
| Bezel less | No | |
| Colors | Speed Green, Dark Purple | Black, White, Blue | 
| Display | ||
| Type | Color IPS Screen (16.7M) | Color AMOLED Screen (1B Colors) | 
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes | 
| Size | 6.72 inches, 1080 x 2400 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 
| Aspect Ratio | 20.06:9 | 20:9 | 
| PPI | ~ 392 PPI | ~ 387 PPI | 
| Screen to Body Ratio | ~ 86.5% | ~ 88% | 
| Glass Type | Panda Glass | |
| Features | Screen Contrast: 1500:1, Brightness: 580nit typ, Screen Colours: 83% NTSC | 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, Punch Hole | Yes, Punch Hole | 
| Memory | ||
| RAM | 8 GB | 8 GB | 
| Expandable RAM | Upto 10 GB Extra Virtual RAM | |
| Storage | 256 GB | 256 GB | 
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB | |
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | Yes | 
| 5G Bands | n1/n3/n5/n8/n28B/n40/n41(2535-2655MHz)/n77/n78 | n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78 | 
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Wifi Version | Support Wi-Fi 4 / Wi-Fi 5 | 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, v5.3, A2DP, LE | Yes, v5.4, A2DP, BLE | 
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 | 
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | 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, with BDS, GPS, GLONASS, Galileo, QZSS | GPS (L1), GLONASS (G1), BDS (B1I), GALILEO (E1), QZSS (L1) | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Gyro,Proximity, Compass | Accelerometer, Gyro, Proximity, Compass | 
| 3.5mm Headphone Jack | Yes | No | 
| NFC | Yes | |
| Splash Resistant | Yes | Yes | 
| IP Rating | IP64 | IP64 | 
| Dust Resistant | Yes | Yes | 
| Extra Features | Stainless Steel VC | 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/1.8 (Wide Angle) 26mm, PDAF, OIS 2 MP  | 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  | 
| OIS | Yes | Yes | 
| Auto Focus | Yes | Yes | 
| Features | Photo, Video, Street, Portrait, Night, Pano, Dual-View Video, Time-Lapse, Pro, Slo-Mo, Hi-res, Tilt-Shift, Text Scanner, Movie | 2x Optical Zoom 4x in-sensor Zoom 30x Ultra Zoom | 
| Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30/60 fps FHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 16 MP ƒ/2.5 (Wide Angle) Punch Hole  | 32 MP ƒ/2.2 (Wide Angle) 22mm (wide), 1/3.44" Punch Hole, Screen Flash  | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Technical | ||
| OS | Android v14 | Android v15 | 
| Custom UI | realme UI 5 | Nothing OS 3.1 | 
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 7s Gen3 | 
| CPU | 2.4 GHz, Octa Core Processor | 2.5 GHz, Octa Core Processor | 
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 1x Cortex-A720@2.5 GHz& 3x Cortex-A720@2.4 GHz& 4x Cortex-A520@1.8 GHz | 
| Fabrication Node | 4 nm | |
| GPU | Mali-G57 MC2 | 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 | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 | 
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, FLV, WEBM | 
| FM Radio | No | No | 
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh, Li-Po Battery | 5000 mAh | 
| Fast Charging | Yes, 45W Fast Charging | Yes, 50W Fast Charging | 
| Reverse Charging | Yes | Yes, 7.5W |