89% SPEC SCORE
$388
The Redmi K40 Pro comes with Android 11, ensuring enhanced functionality and smooth multitasking. It features a big 6.67-inches Crystal-clear Full HD+ display, perfect for both work and entertainment. Experience smooth transitions and quick responsive performance for everyday use. With a Average 4520 mAh battery life, you can stay powered throughout the day without frequent charging. Price starting at $387 this device is Entry-level and it’s offers incredible value, blending performance, style, and affordability.
Redmi K40 Pro Key Features
Display
6.67 inches (1080x2400 pixels) FHD
120Hz Refresh rate
Camera
64+8+5 MP (Triple Camera)
20 MP Selfie 8K Video
Hardware
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
OS
Android 11
MIUI 12
Ram & Storage
6GB + 128GB
8GB + 128GB
Battery
Li-Po 4520mAh
wired, PD3.0, 33W, QC3, 100% in 52 min (advertised)
Data Updated on: 21 Aug, 2026
Redmi K40 Pro Pros & Cons
By Amit Dubey | on 16 September 2026
6.5
/ 10
TSI Score
Design
Display
Performance
Battery
Camera
Software
Sound
Usage
Pros
Snapdragon 888 at an unusually aggressive launch price.
120Hz OLED-class display spec for the segment.
4520mAh battery is not small for a performance-focused phone.
5G support baked into the flagship chipset.
Cons
No official camera, charging, IP rating, or software-support details provided.
128GB base storage leaves less room than newer mid-range rivals.
Snapdragon 888 is known for heat under sustained load.
No evidence here of wireless charging or expandable storage.
Redmi K40 Pro Price and Full Specifications
Launch Date
| Announced Date | 25 Feb, 2021 |
| Released Date | 04 Mar, 2021 |
| Status | Available |
Network
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 / CDMA 800 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 / CDMA2000 1x |
| 4G bands | LTE |
| 5G bands | 1, 3, 28, 41, 77, 78, SA/NSA/Sub6 |
| Speed | HSPA / LTE / 5G |
Display
| Screen Size | 6.67 inches, 107.4 cm² (~85.9% screen-to-body ratio) |
| Display Type | Super AMOLED |
| Resolution | 1080 × 2400 pixels (FHD) |
| Aspect Ratio | 20:9 |
| PPI | 395 ppi |
| Refresh Rate | 120Hz |
| Brightness | 1300 nits (peak) |
| HDR Support | HDR10+ |
| Protection | Corning Gorilla Glass 5 |
Performance
| Processor (SoC) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| Fabrication process | 5nm |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| CPU cores | 8 |
| GPU | Adreno 660 |
Benchmarking
System Performance
Redmi K40 Pro
Overall Score
...
AnTuTu
Geekbench 6 Single-Core
Storage
| Memory | 6GB + 128GB, 8GB + 128GB, 8GB + 256GB, 12GB + 256GB |
| Storage type | UFS 3.1 |
| Memory Card Slot | No |
Camera
REAR CAMERA | |
| Type | Triple camera |
| Primary | 64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF |
| Secondary | 8 MP, f/2.2, 119˚ (ultrawide) |
| Tertiary | 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm |
| Features | LED flash, HDR, panorama |
| Video Recording | 4K @30fps 4K @30/60fps 1080p @30/60/120/240/960fps gyro-EIS, HDR10+ |
FRONT CAMERA | |
| Type | Single camera |
| Primary | 20 MP, f/2.5, (wide), 0.8µm |
| Features | HDR |
| Video Recording | 1080p @30fps |
Battery
| Battery Capacity | Li-Po 4520mAh |
| Battery Removable | No |
| Charging | 33W wired (PD3.0, QC3) — 100% in 52 min (advertised) |
Software & OS
| Operating System | Android 11 |
| OS UI | MIUI 12 |
Design
| Dimensions | 163.7 x 76.4 x 7.8 mm (3.01 x 0.31 in) |
| Weight | 196g (6.91 oz) |
| Color Options | Black, White, Aurora |
| Water & Dust Resistance | IP53 dust and splash resistant |
| Sim Card Types | Dual SIM (Nano-SIM, dual stand-by) |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, Wi-Fi Direct |
| Bluetooth | 5.2, A2DP, LE, aptX Adaptive |
| Positioning | GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| NFC | Yes |
| Radio | No |
| Infrared-port | Yes |
| USB Version | USB Type-C 2.0, OTG |
Sound
| Loudspeaker | Yes, with stereo speakers |
| Sound Jack | No 3.5mm jack |
Sensors & Features
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer |
Additional Info
| Models | M2012K11C |
| Pricing | $387.9 / R$ 2.005.68 / ₹32,384 / £309.82 / €360 / C$534.76 |
What's in the Box
| Redmi K40 Pro | Handset, USB-C cable, SIM ejector tool, and quick start guide |
Disclaimer: Information here may not be 100% accurate; please verify specs and prices on the retailer's website before buying. This page contains affiliate links. We may earn a commission if you make a purchase through them, at no extra cost to you. Thanks for your support!
Redmi K40 Pro Comparisons
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Frequently Asked Questions
Is the Redmi K40 Pro good for gaming?
The Redmi K40 Pro is well suited for gaming thanks to its Qualcomm Snapdragon 888 5G processor and 120Hz display. The SM8350 Snapdragon 888 is a 5 nm flagship-class chipset, and the high refresh rate screen can make supported games feel smoother than standard 60Hz panels. With 6GB of RAM and 128GB of storage, it has enough core hardware for demanding Android games, though performance can vary by game settings and thermal conditions.
How good is the Redmi K40 Pro display?
The Redmi K40 Pro has a 6.67-inch display with a 120Hz refresh rate and 1080 x 2400 resolution. This combination gives buyers a large, sharp screen with smoother scrolling and animations than a typical 60Hz phone. The search context also highlights the Redmi K40 and K40 Pro review focus on the 120Hz FHD+ OLED display, making the screen one of the device’s key selling points.
How long does the Redmi K40 Pro battery last?
The Redmi K40 Pro has a 4520mAh battery, which is a solid capacity for a phone with a large 6.67-inch 120Hz display. Battery life will depend heavily on screen brightness, 120Hz usage, gaming, mobile data, and background apps. For buyers comparing specs, the 4520mAh capacity is larger than the 4000mAh figure mentioned in search context for the Redmi K40 Pro+ video, but the provided Redmi K40 Pro specification is 4520mAh.
What is the price of the Redmi K40 Pro?
The Redmi K40 Pro is listed at about USD 387.90, EUR 360, GBP 309.82, or INR 32,384 based on the provided pricing data. For that price, the device offers a Snapdragon 888 5G chipset, 120Hz 6.67-inch display, 6GB of RAM, and 128GB of storage. Actual market pricing may vary by region, seller, taxes, and availability, especially because Redmi K-series models are often priced differently across import markets.
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