Samsung Galaxy M21s
#1611
Samsung Galaxy S9+
#541Category Breakdown
Samsung Galaxy M21s
Samsung Galaxy S9+
Performance
76.582.2
Camera
62.796.5
Display
76.283.3
Battery
37.787.2
Build
89.196.9
Connectivity
54.274.2
Audio
8.987.6
Overall
56.674.8
Summary
- The Samsung Galaxy M21s features a plastic build with a glass front, while the Galaxy S9+ has a premium glass and aluminum design, enhancing its build quality.
- The M21s offers a 6.4-inch Super AMOLED display with a resolution of 1080 x 2340 pixels, whereas the S9+ has a sharper 6.2-inch Super AMOLED display with a resolution of 1440 x 2960 pixels and HDR10 support.
- In terms of performance, the M21s is powered by the Exynos 9611 chipset, while the S9+ utilizes the more powerful Exynos 9810 or Snapdragon 845, providing superior processing capabilities.
- The M21s boasts a 64 MP main camera, but the S9+ offers dual 12 MP cameras with optical image stabilization and better low-light performance.
- Battery capacity is significantly higher in the M21s at 6000 mAh compared to the S9+'s 3500 mAh, although the S9+ supports wireless charging.
- Both devices run Android 10 with One UI 2.5, but the S9+ has stereo speakers and NFC, enhancing its software experience.
Side-by-side Specification Comparison
Samsung Galaxy M21s
Samsung Galaxy S9+
General
Release Date
2020, November 06
2018
Announced
2020, November 06
2018, February 25
Description
N/A
Versions: G965F (Europe, Global Single-SIM); G965F/DS (Europe, Global Dual-SIM); G965U (USA); G965W (Canada); G9650 (China, LATAM)
Display
Size
6.4"
6.2"
Type
Super AMOLED, 420 nits (peak)
Super AMOLED, HDR10
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
1440 x 2960 pixels, 18.5:9 ratio (~529 ppi density)
PPI
1080
1440
Refresh Rate
60Hz
60Hz
HDR Support
✗
✓
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 5
Performance
Chipset
Exynos 9611 (10 nm)
Exynos 9810 (10 nm) - EMEAQualcomm SDM845 Snapdragon 845 (10 nm) - USA/LATAM, China
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEAOcta-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
GPU
Mali-G72 MP3
Mali-G72 MP18 - EMEAAdreno 630 - USA/LATAM, China
Memory
64GB 4GB RAM, 128GB 6GB RAM
64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 256GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot) - dual SIM model only
Camera
Main Camera
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS12 MP, f/2.4, 52mm (telephoto), 1/3.6", 1.0µm, AF, OIS, 2x optical zoom
Main Camera Features
LED flash, panorama, HDR
LED flash, auto-HDR, panorama
Front Camera
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
N/A
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30fps, gyro-EIS
4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR, stereo sound rec., gyro-EIS & OIS (30fps)
Selfie Video
1080p@30fps
1440p@30fps
Optical Stabilization
✗
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
6000 mAh
3500 mAh
Battery Details
Li-Po 6000 mAh
Li-Ion 3500 mAh, non-removable (13.48 Wh)
Charging Details
15W wired
15W wired, QC2Wireless (Qi) (market dependent)
Fast Charging
✗
✗
Wireless Charging
✗
✓
Build & Safety
Dimensions
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
158.1 x 73.8 x 8.5 mm (6.22 x 2.91 x 0.33 in)
Weight
191 g
189 g
Materials
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Colors
Blue, Black
Midnight Black, Coral Blue, Titanium Gray, Lilac Purple, Burgundy Red, Sunrise Gold, Ice Blue, Polaris Blue
Foldable
✗
✗
SAR
0.38 W/kg (head)
0.78 W/kg (head) 0.79 W/kg (body)
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Nano-SIMNano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE (6CA) Cat18 1200/200 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE, aptX
NFC
✗
✓
USB
USB Type-C 2.0
USB Type-C 3.1
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, BDS, GALILEO
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, One UI 2.5
Android 8.0 (Oreo), upgradable to Android 10, One UI 2.5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2