Redmi K50 Pro vs Redmi K40 Pro: Performance, Battery, Display

In the ever-evolving world of smartphones, Xiaomi’s Redmi series has consistently delivered high-performance devices at competitive prices. The Redmi K50 Pro and Redmi K40 Pro are two such powerhouses that cater to tech enthusiasts and everyday users alike. Both devices boast impressive specs, but how do they stack up against each other? This article dives deep into their key features, performance, design, and more, helping you decide which one suits your needs better. Whether you’re a gamer, a photography enthusiast, or someone who values battery life, this comparison will guide you through the details. Let’s explore! 🚀


Key Specs 📋

FeatureRedmi K50 ProRedmi K40 Pro
ProcessorMediaTek Dimensity 9000Qualcomm Snapdragon 888
Display6.67-inch AMOLED, 120Hz6.67-inch AMOLED, 120Hz
RAM8GB/12GB LPDDR56GB/8GB LPDDR5
Storage128GB/256GB UFS 3.1128GB/256GB UFS 3.1
Battery5000mAh, 120W fast charging4520mAh, 33W fast charging
Camera108MP + 8MP + 2MP64MP + 8MP + 5MP
Price (INR)₹39,999 onwards₹29,999 onwards

Launch 🚀

The Redmi K50 Pro was launched in March 2022, while the Redmi K40 Pro made its debut in February 2021. Both devices were released in China initially, with global availability following shortly after.

FeatureRedmi K50 ProRedmi K40 Pro
Launch DateMarch 2022February 2021
AvailabilityGlobalGlobal

Performance ⚡

The Redmi K50 Pro is powered by the MediaTek Dimensity 9000 chipset, while the Redmi K40 Pro features the Qualcomm Snapdragon 888. Both processors are flagship-grade, but the Dimensity 9000 offers better power efficiency and performance in multitasking and gaming.

FeatureRedmi K50 ProRedmi K40 Pro
ChipsetMediaTek Dimensity 9000Qualcomm Snapdragon 888
CPUOcta-core (1×3.05 GHz Cortex-X2)Octa-core (2.84 GHz Cortex-X1)
Operating SystemAndroid 12, MIUI 13Android 11, MIUI 12
RAM8GB/12GB LPDDR56GB/8GB LPDDR5
GPUMali-G710 MC10Adreno 660
Fabrication4nm5nm

Display 🖥️

Both devices feature a 6.67-inch AMOLED display with a 120Hz refresh rate, ensuring smooth visuals and vibrant colors. However, the Redmi K50 Pro offers slightly better peak brightness and HDR10+ support.

FeatureRedmi K50 ProRedmi K40 Pro
Display TypeAMOLEDAMOLED
Screen Size6.67 inches6.67 inches
Resolution2400 x 1080 pixels2400 x 1080 pixels
Refresh Rate120Hz120Hz
HDR SupportHDR10+HDR10
Screen ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 5

Design and Dimensions 📏

The Redmi K50 Pro and Redmi K40 Pro share a similar design language, but the K50 Pro is slightly heavier due to its larger battery. Both devices feature a sleek, modern design with premium materials.

FeatureRedmi K50 ProRedmi K40 Pro
Height163.1 mm163.7 mm
Width76.2 mm76.4 mm
Thickness8.5 mm7.8 mm
Weight201g196g
Build MaterialGlass front, plastic frameGlass front, plastic frame
ColorsBlack, Blue, GreenBlack, White, Aurora

Camera 📸

The Redmi K50 Pro boasts a 108MP primary camera, while the Redmi K40 Pro features a 64MP main sensor. Both devices offer excellent photography capabilities, but the K50 Pro takes the lead with higher resolution and better low-light performance.

FeatureRedmi K50 ProRedmi K40 Pro
Main Camera108MP + 8MP + 2MP64MP + 8MP + 5MP
Front Camera20MP20MP
Video Recording8K@30fps, 4K@60fps8K@30fps, 4K@60fps
OISYesNo

Battery 🔋

The Redmi K50 Pro features a 5000mAh battery with 120W fast charging, while the Redmi K40 Pro has a 4520mAh battery with 33W fast charging. The K50 Pro clearly wins in terms of battery life and charging speed.

FeatureRedmi K50 ProRedmi K40 Pro
Battery Capacity5000mAh4520mAh
Charging Type120W fast charging33W fast charging
Charging Time17 minutes (0-100%)52 minutes (0-100%)

Storage 💾

Both devices offer ample storage options, but the Redmi K50 Pro provides faster UFS 3.1 storage compared to the UFS 3.0 in the K40 Pro.

FeatureRedmi K50 ProRedmi K40 Pro
Internal Memory128GB/256GB128GB/256GB
Expandable MemoryNoNo

Network & Connectivity 📶

Both smartphones support 5G connectivity, ensuring future-proof performance. They also come with dual SIM slots and a range of connectivity options.

FeatureRedmi K50 ProRedmi K40 Pro
SIM SlotsDual SIM (Nano + eSIM)Dual SIM (Nano)
5G SupportYesYes
Wi-FiWi-Fi 6Wi-Fi 6
Bluetooth5.35.2

Multimedia 🎧

Both devices offer excellent multimedia features, including stereo speakers and high-quality audio output.

FeatureRedmi K50 ProRedmi K40 Pro
Audio JackNoNo
Stereo SpeakersYesYes

Sensors 🛠️

The Redmi K50 Pro and Redmi K40 Pro come equipped with a range of sensors, including an in-display fingerprint scanner.

FeatureRedmi K50 ProRedmi K40 Pro
Fingerprint SensorIn-displayIn-display
Other SensorsAccelerometer, Gyro, ProximityAccelerometer, Gyro, Proximity

Price (INR) & Availability 💰

The Redmi K50 Pro is priced higher than the Redmi K40 Pro, reflecting its upgraded features.

FeatureRedmi K50 ProRedmi K40 Pro
Price (INR)₹39,999 onwards₹29,999 onwards
AvailabilityOnline & Offline StoresOnline & Offline Stores

Pros and Cons 👍👎

Redmi K50 Pro

Pros:

  • Better performance with Dimensity 9000
  • 120W fast charging
  • 108MP primary camera

Cons:

  • Slightly heavier
  • Higher price

Redmi K40 Pro

Pros:

  • Affordable price
  • Lightweight design
  • Good performance

Cons:

  • Slower charging speed
  • Lower camera resolution

Top Competitors 🥊

Both devices face stiff competition from other brands in the same price range.

| Competitors | OnePlus 9R, Realme GT Neo 3 | Poco F3, Samsung Galaxy S20 FE |


In conclusion, the Redmi K50 Pro is a clear upgrade over the Redmi K40 Pro, offering better performance, faster charging, and a superior camera. However, if you’re on a budget, the K40 Pro still holds its ground as a reliable and affordable option. Choose wisely! 😊

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