Xiaomi Redmi 9

Here is the full review for Xiaomi Redmi 9, including full specifications, advantages, disadvantages, as well as match analysis and the ability to play popular games such as Genshin Impact, Mobile Legends, Free Fire, Block Blast, Minecraft, and PUBG Mobile.
Review Lengkap Xiaomi Redmi 9
Xiaomi Redmi 9 is an entry-level smartphone released in 2020 by Xiaomi, offering a combination of capable specifications at an affordable price, starting from IDR 1.7 million for the 3GB/32GB variant and IDR 1.9 million for the 4GB/64GB variant. The Smartphone is designed for users looking for a cost-effective device with good enough performance for everyday needs, including light to medium gaming, multimedia, and basic productivity. Here is an in-depth review of the main aspects of Redmi 9.
Desain dan Build Quality
Redmi 9 has a modern design for the entry-level class. The body uses plastic material with a design 3D Unibody and the anti-slip corrugated texture is comfortable to grip and reduces fingerprint marks. Lapisan nano-coating memberikan ketahanan terhadap percikan air (bukan waterproof). Its dimensions are 162.3 x 77.2 x 8.9 mm with a weight of 198 grams, it is quite ergonomic despite being a little thick. The available color variants are Midnight Black, Carbon Grey, and Ocean Blue.
The screen is sized 6.53 inches with panel IPS LCD, resolution Full HD+ (1080 x 2340 piksel), a ratio of 19.5: 9, and a density of 395 ppi. The screen is protected by Corning Gorilla Glass 3, which is rarely found in this price class. The screen quality is sharp enough to watch videos and play games, although the refresh rate is only 60Hz, which is standard for its class.
Complete Specifications
Here are the complete technical specifications of Xiaomi Redmi 9:
  • Processor: MediaTek Helio G80 (12nm), Octa-core (2×2.0 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55)
  • GPU: Mali-G52 MC2
  • RAM: 3GB atau 4GB LPDDR4X
  • Penyimpanan Internal: 32GB atau 64GB eMMC 5.1 (dapat diperluas hingga 512GB via microSD, dedicated slot)
  • Operating System: Android 10 with MIUI 11 interface (can be upgraded to MIUI 12)
  • Screen: 6,53 inci, IPS LCD, Full HD+ (1080 x 2340 piksel), 395 ppi, Gorilla Glass 3
  • Rear Camera:
    • 13 MP (f/2.2, wide, 28mm, PDAF)
    • 8 MP (f/2.2, ultrawide, 118°)
    • 5 MP (f/2.4, macro)
    • 2 MP (f/2.4, depth)
    • Fitur: LED flash, HDR, video 1080p@30fps
  • Front Camera: 8 MP (f/2.0, wide), video 1080p@30fps
  • Battery: 5020mah battery, support fast charging 18W (built-in 10W charger)
  • Connectivity: Dual SIM (Nano), 4G LTE, Wi-Fi 802.11 b/g/n, Bluetooth 5.0, GPS, IR Blaster, USB Type-C, jack audio 3.5mm
  • Other Features: Sensor sidik jari (belakang), Face Unlock, accelerometer, proximity, compass
  • Dimensions and weight: 162.3 x 77.2 x 8.9 mm, 198 gram
  • Color Variants: Midnight Black, Carbon Grey, Ocean Blue
Performance
Redmi 9 powered by chipset MediaTek Helio G80, which is designed for gaming performance in the entry-level to mid-range class. The processor has two Cortex-A75 cores at 2.0 GHz for heavy duty and six Cortex-A55 cores for power efficiency. GPU Mali-G52 MC2 provides quite good graphics capabilities for light to medium games. In Tests, the Helio G80 offered better performance than the Snapdragon 665 used in competitors such as the Redmi Note 8.
3GB or 4GB of RAM is enough for light multitasking, although the 4GB variant is more recommended for gaming and heavy application use. EMMC 5.1 storage has standard speeds, and a dedicated microSD slot is a plus for storage expansion.
Camera
The Redmi 9 quad-camera system is one of the advantages in its class. The 13 MP main camera produces pretty good photos in bright light conditions, with decent detail for social media needs. The 8 MP ultrawide lens is suitable for landscape photos, while the 5 MP macro lens (higher resolution than the Standard 2 MP in its class) provides good detail for close-up photography. Lensa depth 2 MP membantu efek bokeh pada mode potret. The 8 MP front camera is enough for selfies and video calls.
However, the performance of the camera decreases in low light conditions due to the absence of Night mode. Video recording is limited to 1080p@30fps without advanced stabilization, so results are standard.
Battery
Battery 5020mah this is one of the main advantages of Redmi 9. Under normal use (social media, streaming, and light gaming), the battery can last up to 1.5–2 days. Tests showed durability of up to 185 hours for music playback or 31 hours for the phone. Support fast charging 18W allows fast charging, although the built-in charger is only 10W, so users need to purchase an 18W charger separately for maximum speed.
Connectivity and additional features
Redmi 9 support Bluetooth 5.0, which is rarely found in the entry-level class, offers further range and power efficiency. Features such as IR Blaster allows use as a remote control, while USB Type-C improved ease of use compared to micro-USB. The 3.5 mm audio Jack is still available for wired earphone users. Unfortunately, there is no support NFC, which may be a drawback for users who need digital payments.
Advantages
  1. Affordable Prices: Mulai dari Rp 1,7 jutaan, menawarkan value for money tinggi.
  2. Full HD + screen: High resolution and Gorilla Glass 3 is rarely found in this class.
  3. Jumbo Battery: 5020 mAh with exceptional durability.
  4. Versatile Camera: Quad-camera with a superior 5 MP macro lens.
  5. Gaming Performance Is Quite Good: Helio G80 is suitable for light to medium games.
  6. Modern Connectivity: Bluetooth 5.0, USB Type-C, dan IR Blaster.
Disadvantages
  1. No NFC: Restrict use for digital payments.
  2. Slow Built-In Charger: Only 10W, although it supports 18W.
  3. Material Plastic: Less noticeably premium than glass design.
  4. Camera performance in low light: There is no night mode, the photo result is less than optimal.
  5. Refresh Rate Standar: Only 60Hz, less smooth for competitive gaming.
Compatibility and ability to Gaming
Here is an analysis of the Xiaomi Redmi 9's ability to play popular games on demand, based on specifications and tests from reliable sources as well as general evaluations for the Helio G80 chipset:
1. Genshin Impact
  • Matches: Sufficient, but limited (Setting Lowest, 20–30 FPS)
  • Explanation: Genshin Impact adalah game open-world yang berat, membutuhkan chipset minimal Snapdragon 845 atau setara untuk performa optimal. Helio G80 on Redmi 9 is only able to run this game on graphics settings Lowest dengan frame rate rata-rata 20–30 FPS. The gaming experience is playable enough for light exploration, but often experience frame drop during intense battles or in areas with many visual effects. The temperature of the device also tends to increase after playing 15-30 minutes, although it does not overheat. To play more smoothly, lowering the resolution and closing background applications is recommended.
2. Mobile Legends
  • Matches: Very Good (Setting High/Ultra, 50–60 FPS)
  • Explanation: Mobile Legends adalah game MOBA yang relatif ringan. Redmi 9 can run this game on graphics settings High up to Ultra dengan frame rate stabil di kisaran 50–60 FPS, bahkan selama team fight. There is no significant lag or frame drop, and the temperature of the device is maintained during a 15-30 minute play session. Features Game Turbo on MIUI it helps improve screen responsiveness and performance. Ini menjadikan Redmi 9 pilihan ideal untuk pemain Mobile Legends di kelas entry-level.
3. Free Fire
  • Matches: Very Good (Setting Ultra, 50–60 FPS)
  • Explanation: Free Fire adalah game battle royale yang dioptimalkan untuk perangkat low-end. Redmi 9 can play Free Fire on graphics settings Ultra dengan frame rate stabil 50–60 FPS. There is no lag or snapping, and the device temperature remains cool even after playing for 15-30 minutes. The Helio G80's performance and Full HD+ display provide a satisfying visual experience for the game, making it a perfect fit for Free Fire players.
4. Block Blast
  • Matches: Very Good (Setting Maksimal, 60 FPS)
  • Explanation: Block Blast is a lightweight puzzle game that does not require high specifications. Redmi 9 can run this game smoothly at maximum settings with a frame rate of 60 FPS. No lag, and very low battery consumption, perfect for long play sessions. The large 6.53-inch display also increases comfort when playing puzzle games like this.
5. Minecraft
  • Matches: Good (Setting Medium, 30–50 FPS)
  • Explanation: Minecraft (Pocket Edition) has moderate specification needs, depending on the graphics settings and the size of the world. Redmi 9 can run Minecraft on graphics settings Medium dengan render distance 8–10 chunks, menghasilkan frame rate 30–50 FPS. The game runs smoothly for simple exploration and building, but the frame rate can drop in a world with many entities or redstone effects. Using low graphics settings is recommended for more stable performance in complex worlds.
6. PUBG Mobile
  • Matches: Good (Setting HD/High, 25–30 FPS)
  • Explanation: PUBG Mobile adalah game battle royale yang cukup berat untuk perangkat entry-level. Redmi 9 can play this game on graphics settings HD with frame rate High (25-30 FPS), providing a fairly smooth gaming experience for casual matches. Features Game Turbo helps maintain frame rate stability. However, the setting cannot be “right aligned” (Ultra), and frame drops may occur in crowded areas or when there are many visual effects. The temperature of the device remains reasonable during 30 minutes of play, making it a viable option for PUBG Mobile players in this price class.
Conclusion
Xiaomi Redmi 9 is an entry-level smartphone that offers value for money incredible with prices starting at Rp 1.7 million. Its main strengths lie in its sharp Full HD+ display, long-lasting 5020 mAh battery, versatile camera and gaming performance that is competitive in its class thanks to the chipset MediaTek Helio G80. Fitur seperti USB Type-C, Bluetooth 5.0, dan IR Blaster menambah daya tariknya.
For gaming, Redmi 9 is perfect for light to medium games such as Mobile Legends, Free Fire, and Block Blast, with stable performance at high settings. Games like Minecraft and PUBG Mobile can be played well on medium settings, while Genshin Impact only playable at the lowest settings with limited frame rates. Disadvantages such as the absence of NFC, a built-in 10W charger, and plastic materials do not greatly reduce its attractiveness in this price segment.
Recommendation: Redmi 9 is highly recommended for users on a budget who need an all-round smartphone for everyday needs, casual gaming and multimedia. Untuk gaming berat seperti Genshin Impact, pertimbangkan perangkat dengan chipset lebih kuat seperti Snapdragon 720G atau Helio G95.
Overall Score: 8/10
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