Detailed comparison and review of Xiaomi Redmi 6 and Samsung Galaxy A40. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi Redmi 6 | Samsung Galaxy A40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A405FN/DS | |
| Form Factor | Touch | Touch | |
| Height | 147.5 mm | 144.4 mm | Xiaomi Redmi 6 has greater height than Samsung Galaxy A40. |
| Width | 71.5 mm | 69.2 mm | Xiaomi Redmi 6 has greater width than Samsung Galaxy A40. |
| Depth | 8.3 mm | 7.9 mm | Samsung Galaxy A40 is narrower than Xiaomi Redmi 6. |
| Weight | 146 g | 140 g | Samsung Galaxy A40 is lighter than Xiaomi Redmi 6. |
| Body Colour | Gold | Black | Blue | Dark grey | Blue | Coral | White | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.417 W/kg (body), 0.55 W/kg (head) | 1.34 W/kg (body), 0.49 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi 6 | Samsung Galaxy A40 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 5.45" | 5.9" | Samsung Galaxy A40 has larger screen size than Xiaomi Redmi 6. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2340 x 1080 pixels | Samsung Galaxy A40 has better screen resolution than Xiaomi Redmi 6. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 295 ppi | 439 ppi | Samsung Galaxy A40 has better pixel density than Xiaomi Redmi 6. |
| Aspect Ratio | 18:9 | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1000:1 | - | |
| Display Enhancement Technology | - | Blue light filter | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | Always-on display, Infinity Display, Edge-to-Edge screen |
| PROCESSOR | Xiaomi Redmi 6 | Samsung Galaxy A40 |
|---|
| Processor Type (CPU) | MediaTek Helio P22 | Samsung Exynos | |
|---|---|---|---|
| Processor Number | - | 7904 | |
| Clock Speed | 2 GHz | 1.8 GHz | Xiaomi Redmi 6 has higher clock speed than Samsung Galaxy A40. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 6 has 64-bit architecture. |
| MEMORY | Xiaomi Redmi 6 | Samsung Galaxy A40 |
|---|
| RAM | 3 GB | 4 GB | Samsung Galaxy A40 has more RAM than Xiaomi Redmi 6. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Samsung Galaxy A40 has more internal memory than Xiaomi Redmi 6. |
| User Memory | - | 49.4 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Xiaomi Redmi 6 | Samsung Galaxy A40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 16 Megapixel | Samsung Galaxy A40 has better camera resolution than Xiaomi Redmi 6. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.7 | Samsung Galaxy A40 has better lens aperture than Xiaomi Redmi 6. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | Portrait, HDR, low light enhancement | - | |
| Camera Modes | Burst mode, realtime Beautify | Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 640 x 480 (VGA) at 30 fps, Slo-mo video 640 x 480 (480p) at 120 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | - | 123 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 25 Megapixel | Samsung Galaxy A40 has better front camera resolution than Xiaomi Redmi 6. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Samsung Galaxy A40 has better front lens aperture than Xiaomi Redmi 6. |
| Focus Adjustment | - | Automatic | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Beauty mode, portrait mode | Portrait mode, AR Emoji, Motion Photos | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 6 has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | Selfie countdown, age recognition | Floating camera button |
| BATTERY AND CHARGING | Xiaomi Redmi 6 | Samsung Galaxy A40 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3100 mAh | Samsung Galaxy A40 has larger battery capacity than Xiaomi Redmi 6. |
|---|---|---|---|
| Fast Charging Technology | - | Samsung Fast Charging | Samsung Galaxy A40 has fast charging technology. |
| Talk Time | - | 1080 minutes | |
| Run Time Details | - | Active online usage (3G): up to 9 hrs Active online usage (4G): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (video): up to 14 hrs Playback (audio): up to 62 hrs Talk (3G): up to 1080 min |
| CELLULAR | Xiaomi Redmi 6 | Samsung Galaxy A40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 8.1 Oreo | Android 9.0 Pie | |
| User Interface | MIUI 9 | Samsung One UI | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 6 | Samsung Galaxy A40 |
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| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy A40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 6 | Samsung Galaxy A40 |
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| Supported Digital Audio Standards | AAC, PCM, Ogg Vorbis, MP3, AAC +, OPUS, AMR-WB, AMR-NB, WAVE | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | FLV, AVC, XviD, MPEG-4, H.264, M4V, HEVC, H.265, MPEG-4 SP | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Xiaomi Redmi 6 | Samsung Galaxy A40 |
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| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | AI face unlock | Alarm Clock, Fast Charging |
| OTHERS | Xiaomi Redmi 6 | Samsung Galaxy A40 |
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| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter |
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