Samsung Galaxy M55
#740
Xiaomi Redmi K40 Gaming
#755Category Breakdown
Samsung Galaxy M55
Xiaomi Redmi K40 Gaming
Performance
87.689.9
Camera
84.066.7
Display
90.791.9
Battery
33.736.0
Build
17.680.4
Connectivity
82.483.9
Audio
87.687.6
Overall
70.770.4
Summary
- The Samsung Galaxy M55 features a Super AMOLED+ display at 6.7 inches with a peak brightness of 1000 nits, while the Xiaomi Redmi K40 Gaming has a slightly smaller 6.67-inch OLED display with HDR10+ support and a typical brightness of 500 nits.
- In terms of performance, the M55 is powered by the Snapdragon 7 Gen 1 chipset, whereas the K40 Gaming utilizes the Mediatek Dimensity 1200.
- The camera setup on the M55 includes a 50 MP main sensor with OIS, compared to the K40 Gaming's 64 MP main sensor without OIS, and the M55 offers a higher resolution selfie camera at 50 MP versus 16 MP on the K40.
- Battery capacity is slightly higher on the K40 Gaming at 5065 mAh, with faster charging at 67W, while the M55 has a 5000 mAh battery with 45W charging.
- The M55 runs on Android 14 with One UI 6.1, while the K40 Gaming operates on Android 11 with MIUI 12.5, indicating a more updated software experience on the M55.
Side-by-side Specification Comparison
Samsung Galaxy M55
Xiaomi Redmi K40 Gaming
General
Release Date
2024, March 28
2021, April 27
Announced
2024, March 28
2021, April 27
Description
N/A
Also known as Xiaomi Redmi K40 Gaming Edition
Display
Size
6.7"
6.67"
Type
Super AMOLED+, 120Hz, 1000 nits (HBM)
OLED, 1B colors, 120Hz, HDR10+, 500 nits (typ)
Resolution
1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
PPI
1080
1080
Refresh Rate
120Hz
120Hz
HDR Support
✗
✓
Protection
N/A
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
Mediatek Dimensity 1200 (6 nm)
CPU
Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Adreno 644
Mali-G77 MC9
Memory
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
No
Camera
Main Camera
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS8 MP, f/2.2, 123˚ (ultrawide)2 MP, f/2.4, (macro)
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF8 MP, f/2.2, 120˚ (ultrawide)2 MP, f/2.4, (macro)
Main Camera Features
LED flash, panorama, HDR
Color spectrum sensor, Dual-LED flash, HDR, panorama
Front Camera
50 MP, f/2.4, (wide)
16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Front Camera Features
N/A
HDR
Video Recording
4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
Selfie Video
4K@30fps, 1080p@30/60fps
1080p@30fps, 720p@120fps, HDR
Optical Stabilization
✓
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
5065 mAh
Battery Details
5000 mAh
Li-Po 5065 mAh
Charging Details
45W wired
67W wired, PD3.0, QC3, 100% in 42 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in)
Weight
180 g
205 g
Materials
N/A
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
Colors
Dark Blue, Light Green
Black, Gray, Silver, Bruce Lee Yellow
Foldable
✗
✗
SAR
0.93 W/kg (head)
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
5.2, A2DP, LE
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
No
Software & Security
Operating System
Android 14, One UI 6.1
Android 11, MIUI 12.5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, compass, barometer