Samsung Galaxy J2 (2017) vs Xiaomi Redmi 4X
A spec-by-spec comparison of the Samsung Galaxy J2 (2017) and the Xiaomi Redmi 4X, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Our rating | 5/10 | 7/10 |
| Battery | 2,000 mAh | 4,100 mAh |
| Wired charging | — | 10W |
| RAM (max) | — | 4 GB |
| Storage (max) | 128 GB | 256 GB |
| Screen size | 4.7 in | 5 in |
| Main camera | 5 MP | 13 MP |
| Weight (lower is lighter) | 130 g | 150 g |
| Released | Oct 2017 | Feb 2017 |
Summary: Samsung Galaxy J2 (2017) is ahead on weight (lower is lighter). Xiaomi Redmi 4X is ahead on our rating, battery, storage (max), screen size.
★ Which should you buy? Xiaomi Redmi 4X is the stronger overall pick on the measured specs.
Researched with AI assistance by infozme.com from manufacturer and retailer sources — see how we research & rate phones.
Display
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Type | Super AMOLED | IPS LCD |
| Size | 4.7 inches | 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio) |
| Resolution | 540 x 960 pixels | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) |
| Protection | Undefined | Corning Gorilla Glass (unspecified version) |
| Features | — | 2.5D curved glass, 450 nits brightness, 1000:1 contrast ratio, 72% NTSC color gamut |
Platform
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Chipset | Exynos 3475 Quad | Qualcomm MSM8940 Snapdragon 435 (28 nm) |
| CPU | Quad-core 1.3 GHz ARM Cortex-A7 | Octa-core 1.4 GHz Cortex-A53 |
| GPU | Mali-T720 | Adreno 505 |
| OS | Android 7.0 (Nougat) | Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 8 (initial), up to MIUI 11 |
Memory
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Internal Storage | 8GB | — |
| RAM | 1GB | — |
| Card slot | microSDXC (dedicated slot), up to 128 GB | microSDXC (uses shared SIM slot), up to 128GB (some variants up to 256GB) |
| Internal | — | 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM (eMMC 5.1) |
Main Camera
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Megapixels | 5 MP | — |
| Features | f/2.2, autofocus, LED flash | LED flash, HDR, panorama |
| Video | 720p | 1080p@30fps |
| Single | — | 13 MP, f/2.0, PDAF |
Selfie Camera
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Megapixels | 2 MP | — |
| Features | f/2.2 | — |
| Single | — | 5 MP, f/2.2 |
| Video | — | 1080p@30fps |
Battery
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Type | Removable Li-Ion | Li-Po 4100 mAh, non-removable |
| Capacity | 2000 mAh | — |
| Charging | — | 10W wired |
| Stand-by | — | Up to 432 h (3G) |
| Talk time | — | Up to 36 h (3G) |
| Music play | — | Up to 87 h |
Body
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Dimensions | 136.5 x 69 x 8.4 mm | 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in) |
| Weight | 130 g | 150 g (5.29 oz) |
| SIM | Single SIM (Micro-SIM) or Dual SIM (Micro-SIM) | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Build | — | Glass front (Gorilla Glass, unspecified version), aluminum back, aluminum frame, plastic ends |
Comms
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth | 4.1, A2DP | 4.2, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS | — |
| NFC | Yes (market dependent) | No |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0 |
| Positioning | — | GPS, GLONASS, BDS |
| Infrared port | — | Yes |
Launch
| Samsung Galaxy J2 (2017) | Xiaomi Redmi 4X |
| Announced | October 2017 | 2017, February 14 |
| Status | Available. Released 2017, October | Discontinued |
| OS at launch | Android 7.0 (Nougat) | — |
Frequently asked questions
Which has the better battery, Samsung Galaxy J2 (2017) or Xiaomi Redmi 4X?
Xiaomi Redmi 4X — 2,000 mAh for the Samsung Galaxy J2 (2017) versus 4,100 mAh for the Xiaomi Redmi 4X.
Which is lighter, Samsung Galaxy J2 (2017) or Xiaomi Redmi 4X?
Samsung Galaxy J2 (2017) — 130 g for the Samsung Galaxy J2 (2017) versus 150 g for the Xiaomi Redmi 4X.
Which is newer, Samsung Galaxy J2 (2017) or Xiaomi Redmi 4X?
Samsung Galaxy J2 (2017) — Oct 2017 for the Samsung Galaxy J2 (2017) versus Feb 2017 for the Xiaomi Redmi 4X.
Is the Samsung Galaxy J2 (2017) or the Xiaomi Redmi 4X rated higher?
We rate the Samsung Galaxy J2 (2017) 5/10 and the Xiaomi Redmi 4X 7/10.
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