Redmi K40 Gaming vs. Samsung Galaxy A52s 5G: A Deep Dive into Mid-Range Champions
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🏆 Quick Verdict
For users prioritizing gaming performance and rapid charging, the Xiaomi Redmi K40 Gaming is the clear winner. However, the Samsung Galaxy A52s 5G offers a more refined, all-around experience with comparable battery life and a potentially more consistent software experience, making it ideal for everyday users.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi K40 Gaming | Samsung Galaxy A52s 5G |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66 |
| 5G bands | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA/Sub6 |
| Speed | HSPA, LTE, 5G | HSPA 42.2/5.76 Mbps, LTE Cat18 1200/150 Mbps, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / HSPA / LTE / 5G |
| CDMA2000 1x | - | |
| Launch | ||
|---|---|---|
| Announced | 2021, April 27 | 2021, August 17 |
| Status | Available. Released 2021, April 30 | Available. Released 2021, September 01 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5) | Glass front (Gorilla Glass 5), plastic back |
| Dimensions | 161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in) | 159.9 x 75.1 x 8.4 mm (6.30 x 2.96 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM· Nano-SIM + Nano-SIM |
| Weight | 205 g (7.23 oz) | 189 g (6.67 oz) |
| Physical pop-up gaming triggers IP53, dust and splash resistant | IP67 dust/water resistant (up to 1m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~86.3% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~84.9% screen-to-body ratio) |
| Type | OLED, 1B colors, 120Hz, HDR10+, 500 nits (typ) | Super AMOLED, 120Hz, 800 nits (HBM) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) | Octa-core (1x2.4 GHz Cortex-A78 & 3x2.2 GHz Cortex-A78 & 4x1.9 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 1200 (6 nm) | Qualcomm SM7325 Snapdragon 778G 5G (6 nm) |
| GPU | Mali-G77 MC9 | Adreno 642L |
| OS | Android 11, MIUI 12.5 | Android 11, upgradable to Android 14, One UI 6 |
| Memory | ||
|---|---|---|
| Card slot | No | microSDXC (uses shared SIM slot) |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
| UFS 3.1 | - | |
| Main Camera | ||
|---|---|---|
| Features | Color spectrum sensor, Dual-LED flash, HDR, panorama | LED flash, panorama, HDR |
| Quad | - | 64 MP, f/1.8, 26mm (wide), 1/1.7", 0.8µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1.12µm 5 MP (macro) Auxiliary lens |
| Single | 16 MP, f/2.5, (wide), 1/3.06" 1.0µm | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
| Triple | 64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide) 2 MP (macro) | - |
| Video | 4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR | 4K@30fps, 1080p@30/60fps; gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 16 MP, f/2.5, (wide), 1/3.06" 1.0µm | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
| Video | 1080p@30fps, 720p@120fps, HDR | 4K@30fps, 1080p@30/60fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | Yes |
| 35mm jack | No | Yes |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 24-bit/192kHz audio Tuned by JBL | - | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | 5.0, A2DP, LE |
| Infrared port | Yes | - |
| NFC | Yes | Yes (market/region dependent) |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass, barometer | Fingerprint (under display, optical), accelerometer, gyro, compass |
| - | Virtual Proximity Sensing | |
| Battery | ||
|---|---|---|
| Charging | 67W wired, PD3.0, QC3, 100% in 42 min | 25W wired |
| Type | Li-Po 5065 mAh | Li-Ion 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Gray, Silver, Bruce Lee Yellow | Awesome Black, Awesome White, Awesome Purple, Awesome Mint |
| Models | M2012K10C, M2104K10AC | SM-A528B, SM-A528B/DS, SM-A528N |
| Price | About 260 EUR | £ 112.98 / € 249.47 |
| SAR | - | 0.72 W/kg (head) |
| SAR EU | - | 0.88 W/kg (head) 0.84 W/kg (body) |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 113h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -27.5 LUFS (Good) |
| Performance | - | AnTuTu: 429675 (v8), 506432(v9) GeekBench: 11060 (v4.4), 2801 (v5.1) GFXBench: 28fps (ES 3.1 onscreen) |
Xiaomi Redmi K40 Gaming
- Significantly faster 67W charging
- More powerful Dimensity 1200 chipset for gaming
- Potentially better cooling for sustained performance
- MIUI software can be polarizing
- Display specifications are less detailed
Samsung Galaxy A52s 5G
- Balanced performance with the Snapdragon 778G
- Samsung’s One UI offers a refined software experience
- 800 nits peak brightness for excellent outdoor visibility
- Slower 25W charging
- Less powerful chipset for demanding games
Display Comparison
The Samsung Galaxy A52s 5G boasts a measured peak brightness of 800 nits, providing excellent visibility outdoors. While the Redmi K40 Gaming’s display specifications aren’t provided, it’s likely to be comparable, but without the measured data, we can’t confirm. Both devices likely utilize AMOLED panels given their market segment, offering vibrant colors and deep blacks. The A52s 5G’s ‘Infinite’ contrast ratio (nominal) is typical of AMOLED technology. The lack of information on the K40 Gaming’s refresh rate or PWM dimming frequency makes it difficult to assess its suitability for users sensitive to flicker, a potential advantage for the A52s 5G if it employs a higher frequency.
Camera Comparison
Both devices are described as having 'Photo / Video' capabilities, lacking specific details. However, the camera experience is likely a key differentiator. Samsung’s image processing is generally known for its vibrant and saturated colors, while Xiaomi often aims for a more natural look. Without sensor size or aperture information, it’s difficult to make a definitive judgment. The A52s 5G likely benefits from Samsung’s established camera algorithms and potentially better low-light performance. The presence of OIS (Optical Image Stabilization) on either device would be a significant advantage, but is not specified in the provided data.
Performance
The core difference lies in the chipsets: the Redmi K40 Gaming features the Mediatek Dimensity 1200 (6nm) with a more aggressive CPU configuration (1x3.0 GHz Cortex-A78, 3x2.6 GHz Cortex-A78, 4x2.0 GHz Cortex-A55) compared to the Samsung Galaxy A52s 5G’s Qualcomm Snapdragon 778G 5G (6nm) (1x2.4 GHz Cortex-A78, 3x2.2 GHz Cortex-A78, 4x1.9 GHz Cortex-A55). This translates to a noticeable performance advantage for the K40 Gaming in demanding tasks like gaming and video editing. While both are built on a 6nm process, the Dimensity 1200’s higher clock speeds and core configuration provide a theoretical edge. The A52s 5G’s Snapdragon 778G, however, is known for its efficiency and stable performance, potentially leading to less thermal throttling during sustained workloads. The K40 Gaming’s focus on gaming suggests it may have more aggressive cooling solutions.
Battery Life
Interestingly, both phones share an endurance rating of 113 hours, suggesting comparable real-world battery life despite the K40 Gaming’s focus on power. However, the charging speeds are drastically different. The Redmi K40 Gaming’s 67W wired charging, supporting PD3.0 and QC3, can fully charge the device in just 42 minutes. The A52s 5G’s 25W charging is significantly slower. This means the K40 Gaming offers a much more convenient charging experience, allowing users to quickly top up their battery when needed. The comparable endurance ratings suggest the Dimensity 1200’s power consumption is well-managed, offsetting its higher performance demands.
Buying Guide
Buy the Xiaomi Redmi K40 Gaming if you need uncompromising gaming performance, demand the fastest possible charging speeds, and are comfortable with Xiaomi’s MIUI software. Buy the Samsung Galaxy A52s 5G if you prefer a more balanced smartphone experience, value a reliable camera system, and appreciate Samsung’s One UI software and long-term software support.