The Xiaomi Redmi 10X 4G and Samsung Galaxy A51 5G UW represent compelling options in the crowded mid-range smartphone market. While both aim to deliver a balanced experience, they diverge significantly in their core hardware – particularly in their chipsets and connectivity. This comparison dissects these differences to determine which device best suits your needs, focusing on performance, battery life, and the benefits of 5G.
🏆 Quick Verdict
For the average user prioritizing future-proofing and smoother multitasking, the Samsung Galaxy A51 5G UW is the better choice. Its Snapdragon 765G, built on a more efficient 7nm process, offers a noticeable performance advantage and 5G connectivity. However, the Redmi 10X 4G remains a strong contender for budget-conscious users who don't require 5G.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 | 2, 4, 5, 13, 66 |
| 5G bands | - | 260, 261 mmWave |
| Speed | HSPA, LTE | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / LTE | GSM / HSPA / LTE / 5G |
| | CDMA 800 & TD-SCDMA | - |
| Launch |
|---|
| Announced | 2020, May 26 | 2020, August 14 |
| Status | Available. Released 2020, May 26 | Available. Released 2020, August 14 |
| Body |
|---|
| Build | - | Glass front (Gorilla Glass 3), plastic back, aluminum frame |
| Dimensions | 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 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 | 199 g (7.02 oz) | 188.8 g (6.67 oz) |
| | Water-repellent coating | - |
| Display |
|---|
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
| Size | 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~87.5% screen-to-body ratio) |
| Type | IPS LCD, 450 nits (typ) | Super AMOLED |
| Platform |
|---|
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 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 MT6769Z Helio G85 (12 nm) | Qualcomm SM7250 Snapdragon 765G 5G (7 nm) |
| GPU | Mali-G52 MC2 | Adreno 620 |
| OS | Android 10, MIUI 11 | Android 10, One UI 2 |
| Memory |
|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
| Internal | 128GB 4GB RAM, 128GB 6GB RAM | 128GB 6GB RAM |
| | - | UFS 2.1 |
| Main Camera |
|---|
| Features | LED flash, HDR, panorama | LED flash, panorama, HDR |
| Quad | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 118˚ (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 | 1080p@30fps | 4K@30fps, 1080p@30/120fps; gyro-EIS |
| Selfie camera |
|---|
| Features | Panorama | HDR |
| Single | 13 MP, f/2.3, (wide), 1/3.1", 1.12µm | 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 |
| Infrared port | Yes | - |
| NFC | No | Yes |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio; built-in antenna | 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 (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| | - | ANT+ |
| Battery |
|---|
| Charging | 18W wired, QC3
9W reverse wired | 15W wired |
| Stand-by | - | Up to 672 h |
| Talk time | - | Up to 5 h |
| Type | Li-Po 5020 mAh | Li-Po 4500 mAh |
| Misc |
|---|
| Colors | Blue, Green, White | Prism Bricks Blue |
| Models | M2003J15SC | SM-A516V |
| Price | About 130 EUR | About 470 EUR |
| SAR | - | 0.70 W/kg (head) 1.25 W/kg (body) |
| SAR EU | - | 0.59 W/kg (head) 1.32 W/kg (body) |
Xiaomi Redmi 10X 4G
- Faster charging (18W vs 15W)
- Reverse wired charging for accessories
- Potentially lower price point
- Less powerful chipset (Helio G85)
- Less efficient 12nm process
- No 5G connectivity
Samsung Galaxy A51 5G UW
- More powerful chipset (Snapdragon 765G)
- 5G connectivity for faster data speeds
- More efficient 7nm process
- Slower charging (15W)
- No reverse wired charging
- Generally higher price
Display Comparison
Neither device boasts a particularly standout display. While specific panel details (like peak brightness or color gamut coverage) are unavailable, the focus here is on the underlying processing power impacting UI smoothness. The A51 5G UW's Snapdragon 765G will contribute to a more fluid user interface and potentially better image processing for display output, even if the panels themselves are similar in resolution and refresh rate (assumed 60Hz for both).
Camera Comparison
Without detailed camera specs beyond the chipsets, it's difficult to make definitive claims. However, the Snapdragon 765G includes a more powerful Image Signal Processor (ISP) than the Helio G85. This ISP is crucial for image processing tasks like noise reduction, dynamic range optimization, and autofocus speed. While both phones likely feature multi-camera setups, the A51 5G UW will likely deliver superior image quality, particularly in challenging lighting conditions, due to its more advanced image processing capabilities. The Redmi 10X 4G will likely rely more heavily on software algorithms to compensate for hardware limitations.
Performance
The core difference lies in the chipsets. The Samsung Galaxy A51 5G UW’s Qualcomm Snapdragon 765G (7nm) is a significant step up from the Xiaomi Redmi 10X 4G’s MediaTek Helio G85 (12nm). The 7nm process node inherently offers better power efficiency and thermal performance, meaning the Snapdragon 765G can sustain higher clock speeds for longer periods without throttling. The Snapdragon’s CPU configuration – a 1x2.4 GHz Kryo 475 Prime core, 1x2.2 GHz Kryo 475 Gold, and 6x1.8 GHz Kryo 475 Silver – provides a more balanced and powerful architecture compared to the Redmi’s 2x2.0 GHz Cortex-A75 and 6x1.8 GHz Cortex-A55. This translates to faster app loading times, smoother multitasking, and a more enjoyable gaming experience on the Samsung.
Battery Life
The Redmi 10X 4G features 18W charging with Quick Charge 3 support, while the A51 5G UW is limited to 15W. While the Redmi has a charging wattage advantage, the Snapdragon 765G’s superior power efficiency could offset this difference in real-world usage. The 7nm process allows the A51 5G UW to perform tasks with less energy consumption, potentially resulting in comparable or even better battery life despite the slower charging speed. The Redmi 10X 4G also offers 9W reverse wired charging, a feature absent on the A51 5G UW, which could be useful for topping up accessories.
Buying Guide
Buy the Xiaomi Redmi 10X 4G if you need a reliable, affordable smartphone primarily for everyday tasks like calling, texting, and social media, and 5G isn't a priority. Buy the Samsung Galaxy A51 5G UW if you prefer a more responsive experience for gaming and multitasking, and want the benefit of 5G connectivity for faster download speeds and lower latency, even if it comes at a slightly higher price.
Frequently Asked Questions
❓ Will the Snapdragon 765G in the Galaxy A51 5G UW overheat during extended gaming sessions?
The Snapdragon 765G, built on a 7nm process, is generally well-managed in terms of thermals. While some throttling is possible during prolonged, demanding gaming, it's less likely to occur compared to the Redmi 10X 4G's Helio G85 due to the more efficient manufacturing process and Qualcomm's thermal management technologies.
❓ Is the 5G connectivity on the Galaxy A51 5G UW worth the extra cost if 5G isn't widely available in my area?
That depends on your future outlook. Even if 5G coverage is limited now, purchasing the A51 5G UW future-proofs your investment. The Snapdragon 765G also supports sub-6GHz 5G, which is the most common type of 5G deployment. Furthermore, the phone will still function perfectly well on 4G LTE networks.
❓ Does the Redmi 10X 4G have enough processing power for popular games like PUBG Mobile or Call of Duty Mobile?
The Helio G85 can handle PUBG Mobile and Call of Duty Mobile, but you'll likely need to lower the graphics settings to achieve a smooth frame rate. Expect some stuttering or frame drops during intense action sequences, especially compared to the smoother experience offered by the Snapdragon 765G.
