Realme 15 5G (Global) vs Nothing Phone (3a)
68
out of 100
VS
66
out of 100
Here we compared two mid-range smartphones: the 6.77-inch Realme 15 5G (Global) (with MediaTek Dimensity 7300 Plus) that was released on September 18, 2025, against the Nothing Phone (3a), which is powered by Qualcomm Snapdragon 7s Gen 3 and came out 7 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Select the amount of RAM to evaluate performance and value for money more precisely
Key differences
Reasons to consider the Realme 15 5G (Global)
- Comes with 2000 mAh larger battery capacity: 7000 vs 5000 mAh
- Higher display refresh rate β 144 Hz
- Has 50% more RAM: 12GB versus 8GB
- Waterproof body (IP69 classification)
- Supports higher wattage charging (80W versus 50W)
- Faster storage type - UFS 3.1 versus UFS 2.2
- Weighs 16 grams less
- The phone is 7 months newer
- The front-facing camera can record video at 4K
- Has a built-in infrared port
Reasons to consider the Nothing Phone (3a)
- The rear camera has a 2x optical zoom
- More recent OS version: Android 16 versus 15
- 14% faster in single-core GeekBench 6 test: 1158 and 1012 points
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
Select your primary usage scenario to get a more accurate NanoReview Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.77 inches | 6.77 inches |
| Resolution | 1080 x 2392 pixels | 1080 x 2392 pixels |
| Aspect ratio | 19.5:9 | 19.9:9 |
| PPI | 388 ppi | 387 ppi |
| Refresh rate | 144 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes (60-120 Hz) |
| Max rated brightness | 1600 nits | 1300 nits |
| Max rated brightness in HDR | 4500 nits | 3000 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10+ |
| Touch sampling rate | 240 Hz | - |
| Screen protection | Tempered glass | Panda Glass |
| Screen-to-body ratio | 90.8% | 87.7% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | - | 99.8% |
| PWM | - | 90 Hz |
| Response time | - | 1 ms |
| Contrast | - | β Infinity |
Peak brightness test (auto)
Design and build
| Height | 163.34 mm (6.43 inches) | 163.52 mm (6.44 inches) |
| Width | 75.88 mm (2.99 inches) | 77.5 mm (3.05 inches) |
| Thickness | 7.66 mm (0.3 inches) | 8.35 mm (0.33 inches) |
| Weight | 185 g (6.53 oz) | 201 g (7.09 oz) |
| Waterproof | IP69 | IP64 |
| Advanced cooling | - | Vapor chamber |
| Rear material | - | Glass |
| Frame material | Plastic | Plastic |
| Colors | Gray, Pink, Purple | White, Black, Blue |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | - | Average (2.84/5) |
| Drop resistance | - | Good (C) Β· 90 drops |
Screen-to-body ratio
Performance
| Chipset | MediaTek Dimensity 7300 Plus | Qualcomm Snapdragon 7s Gen 3 |
| Max clock | 2600 MHz | 2500 MHz |
| CPU cores | 8 (4 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4 cores at 2 GHz: Cortex-A55 - 4 cores at 2.5 GHz: Cortex-A78 |
- 4 cores at 1.8 GHz: Kryo Silver (Cortex-A520) - 3 cores at 2.4 GHz: Kryo Gold (Cortex-A720) - 1 core at 2.5 GHz: Kryo Prime (Cortex-A720) |
| L3 cache | 4 MB | - |
| Manufacturing | TSMC | TSMC |
| Lithography process | 4 nanometers | 4 nanometers |
| Neural processor (NPU) | MediaTek APU 655 | Yes |
| Graphics | Mali-G615 MP2 | Adreno 810 |
| GPU shading units | 256 | 256 |
| GPU clock | 1047 MHz | 1050 MHz |
| FLOPS | ~536.1 GFLOPS | ~537.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | - | 4435 |
| Single-core score | 1012 | 1158 |
| Multi-core score | 2976 | 3276 |
AnTuTu Benchmark 11
| CPU | 347408 | 402549 |
| GPU | 127344 | 179108 |
| Memory | 222686 | 194640 |
| UX | 279220 | 274304 |
| Total score | 976658 | 1050601 |
| Samples | [3 tests] | [38 tests] |
3DMark Steel Nomad Light
| Stability | - | 98% |
| Graphics test | - | 3 FPS |
| Graphics score | - | 379 |
PCMark 3.0
| Web score | 16211 | 11533 |
| Video editing | 7055 | 6290 |
| Photo editing | 33918 | 20294 |
| Data manipulation | 8815 | 10511 |
| Writing score | 15660 | 16899 |
Recent User Tests
Realme 15 5G (Global)
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-17 -> Astrofox 33 | AnTuTu | 971969 |
| π 2026-06-15 -> BHHDoA | AnTuTu | 976658 |
| π 2026-05-30 (NAguib) | AnTuTu | 985294 |
Nothing Phone (3a)
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-10 -> ratulislam-55 | CPU Throttle | 82% |
| π 2026-07-10 -> ratulislam-55 | GeekBench GPU | 3328 |
| π 2026-07-10 -> ratulislam-55 | GeekBench CPU | 1158 / 3276 |
| π 2026-06-07 (Aames Ng) | AnTuTu | 1069149 |
| π 2026-06-03 (xperz3650) | AnTuTu | 1065584 |
Memory
| RAM size | 12 GB | 8 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 2133 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 256 GB | 128 GB |
| Storage type | UFS 3.1 | UFS 2.2 |
| Memory card | No | No |
Software
| Operating system | Android 15 | Android 15 (Can be upgraded to Android 16) |
| ROM | Realme UI 6.0 | Nothing OS 4.0 |
| OS updates | - | 3 years |
| Security updates | - | 4 years |
Battery
| Capacity | 7000 mAh | 5000 mAh |
| Max charge power | 80 W | 50 W |
| Battery type | Silicon-Carbon (Si/C) | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Bypass charging | - | No |
| Fast charging | Yes (50% in 26 min) | Yes (61% in 30 min) |
| Full charging time | 0:62 hr | 1:06 hr |
| Battery cycles | - | 1400 cycles |
| Web browsing | - | 08:06 hr |
| Watching video | - | 16:25 hr |
| Gaming | - | 05:49 hr |
| Standby | - | 131 hr |
General battery life
Main camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8192 x 6144 | 8192 x 6144 |
| Zoom | Digital | Optical, 2x |
| Flash | Dual LED | LED |
| Stabilization | Optical | Optical |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 240 FPS (720p) | 240 FPS (720p) |
| Angle of widest lens | 112Β° | 120Β° |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 8 MP |
1) Standard: 50 MP 2) Telephoto: 50 MP 3) Ultrawide: 8 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.8 | f/1.9 |
| Focal length | 26 mm | 24 mm |
| Sensor | Sony IMX882 | Samsung ISOCELL S5KGN9 |
| Sensor size | 1/1.95" (β 0.51 inch) | 1/1.57" (β 0.64 inch) |
| Pixel size | - | 1 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Optical |
| Image resolution | - | 50 MP |
| Aperture | - | f/2.6 |
| Focal length | - | 50 mm |
| Sensor | - | Samsung ISOCELL |
| Sensor size | - | 1/2.74" (β 0.36 inch) |
| Pixel size | - | 0.64 micron |
| Stabilization | - | Optical |
| Image resolution | 8 MP | 8 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 16 mm | 15 mm |
| Sensor | - | Sony IMX355 |
| Sensor size | - | 1/4.0" (β 0.25 inch) |
| Pixel size | - | 1.12 micron |
| Stabilization | Digital | Digital |
Selfie camera
| Megapixels | 50 megapixels | 32 megapixels |
| Image resolution | 8192 x 6144 | 6560 x 4928 |
| Aperture | f/2.4 | f/2.2 |
| Focal length | 23 mm | 22 mm |
| Sensor | CMOS | Samsung ISOCELL |
| Sensor size | - | 1/3.44" (β 0.29 inch) |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 FPS | 1080p (Full HD) at 60 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | No | No |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Galileo, QZSS |
| NFC* | No | Yes |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | No | No |
Speakers test
Max loudness
Other
| Category | Mid-range | Mid-range |
| Announced | September 2025 | March 2025 |
| Release date | November 2025 | March 2025 |
| Launch price (MSRP) | $350 | $329 |
| Successor | - Realme 16 Pro | - Nothing Phone (4a) |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 80 W | Not included |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the battery life and design are more important to you, then choose the Realme 15 5G (Global). But if the camera, gaming, and sound are more of a priority β go for the Nothing Phone (3a).
Cast your vote
Total votes: 6