Poco C31 vs Redmi 8A Dual
A spec-by-spec comparison of the Poco C31 and the Redmi 8A Dual, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Poco C31 | Redmi 8A Dual |
|---|
| Price | $495 | $90 |
| Our rating | 6/10 | 7/10 |
| Battery | 5,000 mAh | 5,000 mAh |
| Wired charging | 10W | 18W |
| RAM (max) | — | 3 GB |
| Storage (max) | 512 GB | 64 GB |
| Screen size | 6.53 in | 6.22 in |
| Main camera | 13 MP | 13 MP |
| Weight (lower is lighter) | 194 g | 188 g |
| Released | Oct 2021 | Feb 2020 |
Summary: Poco C31 is ahead on storage (max), screen size. Redmi 8A Dual is ahead on our rating, wired charging, weight (lower is lighter).
★ Which should you buy? Redmi 8A Dual is the stronger overall pick on the measured specs.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Poco C31 | Redmi 8A Dual |
|---|
| Type | IPS LCD | IPS LCD, 400 nits (typ) |
| Size | 6.53 inches | 6.22 inches, 96.6 cm2 (~81.8% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels | 720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
| Aspect Ratio | 20:9 | — |
| Pixel Density | ~269 ppi | — |
| Protection | Panda Glass | Corning Gorilla Glass 5 |
| Features | Capacitive touchscreen, multi-touch, 1500:1 Contrast Ratio, 70.8% NTSC Ratio, TUV Rheinland low blue light certification | Supports Sunlight mode, Night mode, Reading mode, Color temperature adjustment, Standard mode |
Platform
| Poco C31 | Redmi 8A Dual |
|---|
| Chipset | MediaTek Helio G35 (12 nm) | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) |
| GPU | PowerVR GE8320 | Adreno 505 |
| OS | Android 10, upgradable to Android 11 and MIUI 12.5 | Android 9.0 (Pie), upgradable to Android 10, MIUI 12 |
| UI | MIUI 12 | — |
Memory
| Poco C31 | Redmi 8A Dual |
|---|
| RAM | 3GB, 4GB | — |
| Internal Storage | 32GB, 64GB | — |
| Expandable Storage | Yes, via microSDXC (dedicated slot), up to 512GB | — |
| Storage Type | eMMC 5.1 | — |
| Card slot | — | microSDXC (dedicated slot) |
| Internal | — | 32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM (eMMC 5.1) |
Main Camera
| Poco C31 | Redmi 8A Dual |
|---|
| Triple | 13 MP, f/2.2, 1.0µm, PDAF (wide); 2 MP, f/2.4 (macro); 2 MP, f/2.4 (depth) | — |
| Features | LED flash, HDR, AI Portrait Mode, Face Recognition, AI Scene Detection, Night Mode | LED flash, HDR, panorama, AI Scene Detection |
| Video | 1080p@30fps | 1080p@30fps |
| Dual | — | 13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF |
| Depth Sensor | — | 2 MP, f/2.4 |
Selfie Camera
| Poco C31 | Redmi 8A Dual |
|---|
| Single | 5 MP, f/2.2, 1.12µm | 8 MP, f/2.0, 1/4", 1.12µm |
| Features | HDR, Portrait Selfies, Palm Shutter, Face Recognition, AI Portrait Mode, Screen Flash, Selfie Timer | HDR |
| Video | 1080p@30fps | 1080p@30fps |
Battery
| Poco C31 | Redmi 8A Dual |
|---|
| Type | Li-Po 5000 mAh, non-removable | Li-Po 5000 mAh, non-removable |
| Charging | 10W wired | 18W fast charging supported (10W charger in box) |
| Features | — | Reverse charging support |
Body
| Poco C31 | Redmi 8A Dual |
|---|
| Dimensions | 164.9 x 77.1 x 9 mm | 156.5 x 75.4 x 9.4 mm (6.16 x 2.97 x 0.37 in) |
| Weight | 194 g | 188 g (6.63 oz) |
| Build | Plastic body | Glass front (Gorilla Glass 5), plastic back, plastic frame |
| Colors | Royal Blue, Shadow Grey | — |
| Protection | P2i certification (splash resistant), Panda Glass (display) | — |
| Water Resistance | — | Splash-resistant nano-coating |
Comms
| Poco C31 | Redmi 8A Dual |
|---|
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| USB | Micro-USB 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| NFC | — | No |
Launch
| Poco C31 | Redmi 8A Dual |
|---|
| Announced | September 2021 | 2020, February 11 |
| Status | Available. Released 2021, October 02 | Available. Released 2020, February 18 |
| OS at launch | Android 10 | — |
| UI | MIUI 12 | — |
Frequently asked questions
Which is lighter, Poco C31 or Redmi 8A Dual?
Redmi 8A Dual — 194 g for the Poco C31 versus 188 g for the Redmi 8A Dual.
Which is newer, Poco C31 or Redmi 8A Dual?
Poco C31 — Oct 2021 for the Poco C31 versus Feb 2020 for the Redmi 8A Dual.
Is the Poco C31 or the Redmi 8A Dual rated higher?
We rate the Poco C31 6/10 and the Redmi 8A Dual 7/10.
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