The Realme 6 and Samsung Galaxy A51 5G UW represent distinct approaches to the budget 5G market. The Realme 6 prioritizes raw performance and fast charging, while the A51 5G UW leverages Samsung’s brand recognition and 5G connectivity. This comparison dissects their key differences to help you choose the right phone for your needs.
🏆 Quick Verdict
For most users, the Realme 6 emerges as the stronger choice. Its significantly faster 30W charging and more powerful Helio G90T chipset deliver a superior user experience, especially for gaming and power users, despite the A51 5G UW’s 5G capabilities.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - Global | 2, 4, 5, 13, 66 |
| 5G bands | - | 260, 261 mmWave |
| Speed | HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/75 Mbps | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE / 5G |
| | 1, 3, 5, 8, 38, 40, 41 - India | - |
| Launch |
|---|
| Announced | 2020, March 05. Released 2020, March 11 | 2020, August 14 |
| Status | Discontinued | Available. Released 2020, August 14 |
| Body |
|---|
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front (Gorilla Glass 3), plastic back, aluminum frame |
| Dimensions | 162.1 x 74.8 x 8.9 mm (6.38 x 2.94 x 0.35 in) | 158.8 x 73.4 x 8.6 mm (6.25 x 2.89 x 0.34 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM (pre-installed) |
| Weight | 191 g (6.74 oz) | 188.8 g (6.67 oz) |
| Display |
|---|
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
| Size | 6.5 inches, 102.0 cm2 (~84.1% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~87.5% screen-to-body ratio) |
| Type | IPS LCD, 90Hz, 480 nits (typ) | Super AMOLED |
| Platform |
|---|
| CPU | Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) |
| Chipset | Mediatek MT6785 Helio G90T (12 nm) | Qualcomm SM7250 Snapdragon 765G 5G (7 nm) |
| GPU | Mali-G76 MC4 | Adreno 620 |
| OS | Android 10, upgradable to Android 11, Realme UI 2.0 | Android 10, One UI 2 |
| Memory |
|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
| Internal | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 128GB 6GB RAM |
| | UFS 2.1 | UFS 2.1 |
| Main Camera |
|---|
| Features | LED flash, HDR, panorama | LED flash, panorama, HDR |
| Quad | 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.3, 13mm (ultrawide), 1/4.0", 1.12µm
2 MP (macro)
Auxiliary lens | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP (macro)
Auxiliary lens |
| Single | - | 5 MP, AF |
| Video | 4K@30fps, 1080p@30/60/120fps, gyro-EIS | 4K@30fps, 1080p@30/120fps; gyro-EIS |
| Selfie camera |
|---|
| Features | HDR, panorama | HDR |
| Single | 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| NFC | Yes (market/region dependent) | Yes |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio | FM radio, RDS, recording |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| | - | ANT+ |
| Battery |
|---|
| Charging | 30W wired, 100% in 55 min | 15W wired |
| Stand-by | - | Up to 672 h |
| Talk time | - | Up to 5 h |
| Type | 4300 mAh | Li-Po 4500 mAh |
| Misc |
|---|
| Colors | Comet Blue, Comet White | Prism Bricks Blue |
| Models | RMX2001 | SM-A516V |
| Price | About 190 EUR | About 470 EUR |
| SAR | 1.14 W/kg (head) 0.59 W/kg (body) | 0.70 W/kg (head) 1.25 W/kg (body) |
| SAR EU | 0.71 W/kg (head) 0.57 W/kg (body) | 0.59 W/kg (head) 1.32 W/kg (body) |
| Tests |
|---|
| Battery life |
Endurance rating 106h
| - |
| Camera |
Photo / Video | - |
| Display |
Contrast ratio: 1315:1 (nominal) | - |
| Loudspeaker |
-28.7 LUFS (Average)
| - |
| Performance |
AnTuTu: 288931 (v8)
GeekBench: 7815 (v4.4), 1726 (v5.1)
GFXBench: 16fps (ES 3.1 onscreen) | - |
Realme 6
- Faster 30W charging significantly reduces downtime.
- More powerful Helio G90T chipset for gaming and demanding tasks.
- Excellent battery endurance (106h)
- Lacks 5G connectivity.
- Camera performance details are limited.
Samsung Galaxy A51 5G UW
- Supports 5G connectivity for faster data speeds.
- Benefits from Samsung’s brand recognition and software support.
- Potentially more power-efficient chipset (Snapdragon 765G)
- Slower 15W charging.
- Less powerful chipset compared to the Helio G90T.
Display Comparison
The Realme 6 boasts a contrast ratio of 1315:1 and a measured peak brightness of 451 nits. While the A51 5G UW’s display specifications aren’t provided, Samsung typically employs Super AMOLED panels known for vibrant colors. However, the Realme 6’s contrast ratio suggests deeper blacks and a more visually striking image. The lack of detailed display specs for the A51 5G UW makes a direct comparison difficult, but the Realme 6’s measured brightness provides a concrete benchmark.
Camera Comparison
Both phones feature photo and video capabilities, but detailed camera specs are limited. Without sensor size or aperture information, a direct comparison is challenging. The A51 5G UW benefits from Samsung’s image processing expertise, often delivering pleasing, if sometimes over-processed, images. The Realme 6’s camera performance will likely rely more heavily on the capabilities of its sensor and the efficiency of its image processing algorithms. The absence of specific details necessitates relying on brand reputation and general expectations within this price segment.
Performance
The core difference lies in the chipsets. The Realme 6 utilizes the Mediatek Helio G90T (12nm), featuring an octa-core CPU with two high-performance Cortex-A76 cores clocked at 2.05 GHz. The Samsung Galaxy A51 5G UW employs the Qualcomm Snapdragon 765G (7nm). The 7nm process node of the Snapdragon 765G generally offers better power efficiency than the 12nm Helio G90T, potentially leading to improved sustained performance and thermal management. However, the G90T’s Cortex-A76 cores provide a performance edge in bursty workloads. The Snapdragon 765G’s Kryo CPU architecture is designed for balanced performance across all cores, making it well-suited for multitasking.
Battery Life
The Realme 6 achieves an impressive endurance rating of 106 hours, indicating excellent battery life. It also supports 30W wired charging, reaching 100% charge in just 55 minutes. The Samsung Galaxy A51 5G UW, with its 15W charging, will take considerably longer to fully charge. While the A51 5G UW’s battery capacity isn’t specified, the Realme 6’s combination of endurance and rapid charging provides a significant advantage for users who prioritize minimizing downtime.
Buying Guide
Buy the Realme 6 if you prioritize gaming performance, fast charging, and maximizing value for your money. It’s ideal for users who frequently play mobile games or need a phone that can quickly top up its battery. Buy the Samsung Galaxy A51 5G UW if 5G connectivity is paramount and you prefer the Samsung ecosystem, accepting a trade-off in processing power and charging speed.
Frequently Asked Questions
❓ Does the Realme 6’s Helio G90T chipset throttle under sustained gaming loads?
The Helio G90T is known to generate heat under prolonged stress. While the Realme 6 incorporates cooling solutions, some throttling is possible during extended gaming sessions. However, the chipset’s raw performance still provides a noticeable advantage over the Snapdragon 765G in many gaming scenarios.
❓ How does the 5G connectivity of the Samsung Galaxy A51 5G UW impact real-world speeds?
The A51 5G UW’s 5G performance is heavily dependent on network availability and coverage. In areas with robust 5G infrastructure, users can experience significantly faster download and upload speeds compared to 4G LTE. However, in areas with limited 5G coverage, the phone will fall back to 4G, negating the 5G benefit.
❓ Is the difference in charging speed between the Realme 6 and A51 5G UW noticeable in daily use?
Absolutely. The Realme 6’s 30W charging can add a substantial amount of battery life in just a short period – enough for several hours of use. The A51 5G UW’s 15W charging is considerably slower, requiring significantly more time to reach a full charge, which can be inconvenient for users who frequently need to top up their battery.
