Realme X
#1830
Xiaomi Redmi K20
#1502Category Breakdown
Realme X
Xiaomi Redmi K20
Performance
76.677.4
Camera
65.767.3
Display
80.283.7
Battery
27.128.1
Build
73.095.7
Connectivity
63.664.3
Audio
8.98.9
Overall
54.457.7
Summary
- The Realme X features a glass front and plastic back, while the Xiaomi Redmi K20 has a more premium build with glass on both the front and back and an aluminum frame.
- In terms of display, the Realme X has a 6.53-inch AMOLED screen, while the Redmi K20 offers a slightly smaller 6.39-inch Super AMOLED display with HDR support.
- Performance-wise, the Redmi K20 is powered by the Snapdragon 730 chipset, which is more advanced than the Snapdragon 710 in the Realme X.
- Both phones have a 48 MP main camera, but the K20 adds versatility with additional telephoto and ultrawide lenses.
- The Redmi K20 also has a larger 4000 mAh battery compared to the 3765 mAh in the Realme X, although both support wired charging.
- Both devices run Android 9.0 with upgrade options, but the Realme X uses Realme UI while the Redmi K20 utilizes MIUI 12.
Side-by-side Specification Comparison
Realme X
Xiaomi Redmi K20
General
Release Date
2019
2019
Announced
2019
2019
Description
Versions: RMX1901
N/A
Display
Size
6.53"
6.39"
Type
AMOLED
Super AMOLED, HDR
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~394 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✓
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SDM710 Snapdragon 710 (10 nm)
Qualcomm SDM730 Snapdragon 730 (8 nm)
CPU
Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU
Adreno 616
Adreno 618
Memory
64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
48 MP, f/1.7, (wide), 26mm (wide), 1/2.0", 0.8µm, PDAF5 MP, f/2.4, (depth)
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm
Main Camera Features
LED flash, HDR
Dual-LED flash, HDR, panorama
Front Camera
Motorized pop-up 16 MP, f/2.0, 25mm (wide), 1/3.06", 1.0µm
Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30fps (gyro-EIS), 1080p@120fps, 720p@960fps
4K@30fps, 1080p@30/120/240fps, 1080p@960fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3765 mAh
4000 mAh
Battery Details
3765 mAh, non-removable
Li-Po 4000 mAh, non-removable
Charging Details
20W wired, 55% in 30 min
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
161.2 x 76 x 9.4 mm (6.35 x 2.99 x 0.37 in)
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
Weight
191 g
191 g
Materials
Glass front (Gorilla Glass 5), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Colors
Steam white, Punk Blue
Carbon black, Red flame, Glacier blue, Pearl White
Foldable
✗
✗
SAR
N/A
1.07 W/kg (head) 0.72 W/kg (body)
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/75 Mbps
HSPA, LTE
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, aptX HD
5.0, A2DP, LE, aptX HD
NFC
✗
✓
USB
USB Type-C
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), upgradable to Android 10, Realme UI
Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass