Google Pixel 4a
#877
Xiaomi Redmi K20
#1502Category Breakdown
Google Pixel 4a
Xiaomi Redmi K20
Performance
82.577.4
Camera
93.767.3
Display
83.883.7
Battery
25.528.1
Build
71.895.7
Connectivity
73.464.3
Audio
87.68.9
Overall
67.357.7
Summary
- The Google Pixel 4a features a compact build with a plastic back and frame, weighing 143g, while the Xiaomi Redmi K20 has a more premium feel with its glass front and back, aluminum frame, and a weight of 191g.
- In terms of display, the Pixel 4a has a smaller 5.81-inch OLED screen with a higher pixel density of 443 ppi, compared to the K20's 6.39-inch Super AMOLED display at 403 ppi.
- Both phones share similar performance specs, utilizing the Snapdragon 730 chipset and 6GB of RAM, but the K20 offers more storage options.
- The Pixel 4a's camera excels with a 12.2 MP sensor featuring OIS, while the K20 boasts a versatile triple-camera setup with a 48 MP main sensor but lacks OIS.
- Battery capacity is also higher in the K20 at 4000 mAh versus the Pixel's 3140 mAh, although both support 18W charging.
- Software-wise, the Pixel 4a runs a cleaner Android experience with timely updates, while the K20 operates on MIUI, which may include additional features and customizations.
Side-by-side Specification Comparison
Google Pixel 4a
Xiaomi Redmi K20
General
Release Date
2020, August 03
2019
Announced
2020, August 03
2019
Description
Not to be confused with Google Pixel 4a 5G
N/A
Display
Size
5.81"
6.39"
Type
OLED, HDR
Super AMOLED, HDR
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~443 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 3
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SDM730 Snapdragon 730G (8 nm)
Qualcomm SDM730 Snapdragon 730 (8 nm)
CPU
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU
Adreno 618
Adreno 618
Memory
128GB 6GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
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, Pixel Shift, Auto-HDR, panorama
Dual-LED flash, HDR, panorama
Front Camera
8 MP, f/2.0, 24mm (wide), 1.12µm
Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30/60/120fps; gyro-EIS
4K@30fps, 1080p@30/120/240fps, 1080p@960fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✓
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3140 mAh
4000 mAh
Battery Details
Li-Po 3140 mAh
Li-Po 4000 mAh, non-removable
Charging Details
18W wired, PD2.0
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in)
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
Weight
143 g
191 g
Materials
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Colors
Just Black, Barely 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 +eSIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/75 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
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 3.1
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, QZSS, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, upgradable to Android 13
Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass