Xiaomi Redmi Note 9 Pro (128GB) vs Samsung Galaxy A40 (SM-A405FN/DS)
Side by side comparison between Xiaomi Redmi Note 9 Pro vs Samsung Galaxy A40 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
IPS
IPS
1080x2400
64
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
vs
5.9"
AMOLED
AMOLED
1080x2340
16
MP
MP
25mp
4GB
RAM
RAM
Octa-core
3100
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 9 Pro (128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
13 Advantages 
8 Advantages | 28 Common items in both devices |
| Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC |
| Plastic body, glass front/back / Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +21 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Model | Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) |
| Other model names | Xiaomi Note 9 Pro (M2003J6B2G Global version) 6GB RAM | Galaxy A40 SM-A405FN/Dual-Sim |
| Country or region available |  (Global, International) |  (Europe), (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 5/5/2020, Announced: 4/30/2020 | 4/10/2019 |
| Depth | 8.8 millimeters (0.35 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) | 69.2 x 144.4 millimeters (2.72 x 5.69 in) |
| Weight | 209 grams (7.32 ounces) | 140 grams (4.9 ounces) |
| Build, materials | Plastic body, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.67" inches | 5.9" inches |
| Screen-to-body ratio | ~84.5% (screen-to-body ratio) | ~85.5% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 437 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 450nits[typ] | feature not registered |
🤖 Operating System | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| System version | Android 10 | Android 9.0 Pie |
| Firmware update | Android 11 | feature not registered |
| User Interface | MIUI 11 / 12 | feature not registered |
⚙️ Processor | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Chipset | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) | 64bit: Samsung Exynos 7 Octa 7885 (14nm) |
| CPU | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) | Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 618 (750MHz) | ARM Mali-G71 MP2 |
| Performance (benchmark) | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 128GB (106GB available) UFS 2.1 | 64GB (49GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 800/150 Mbps | 600/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | LTE Cat12/13 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Back camera (main camera) | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 | (dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF |
| Main camera resolution | 10120x6328 pixels | 4608x3456 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) | feature not registered |
📸 Front camera | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Front camera (secondary) | 16 megapixels | 25 megapixels |
| Front camera resolution | 4608x3456 pixels | 5760x4320 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 25mm lens |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5020 mAh | 3100 mAh |
| Charger, watts | 30W Wired fast charging | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 18 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Tropical Green, Glacier White, Interstellar Gray • 33W charger (30W phone support) | • Colors: Black, White, Blue, Coral • 19.5:9 display ratio FHD+ • One UI |
☢️ Radiation rate | ||
| Redmi Note 9 Pro (128GB) | Galaxy A40 (SM-A405FN/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.87W/kg (head), 0.71W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.66W/kg (head), 1.02W/kg (body) | 0.49W/kg (head), 1.34W/kg (body) |