Tecno Spark 40C vs Xiaomi Poco X7
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PUBLISHED SPECIFICATIONS
Tecno Spark 40C vs Xiaomi Poco X7
| Specification |  Tecno Spark 40C4GB/8GB RAM · 128GB storage |  Xiaomi Poco X78GB/12GB RAM · 128GB storage |
|---|---|---|
| Basic details | ||
| Model number / SKU | KM4k | Xiaomi Poco X7 |
| Device type | Mobile phone | Mobile phone |
| Release year | 2025 | 2025 |
| Release date | 2025, October 01 | 2025, January 09 |
| Size and build | ||
| Dimensions | 165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in) | — |
| Available colours | Veil White, Ripple Blue, Titanium Grey, Ink Black | Green, White, Poco Yellow |
| Processor & generation | ||
| Chipset | Mediatek Helio G81 (12 nm) | Mediatek Dimensity 7300 Ultra (4 nm) |
| Display | ||
| Screen size | 6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~88.9% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~263 ppi density) | 1220 x 2712 pixels, 20:9 ratio (~446 ppi density) |
| Panel type | IPS LCD, 120Hz | AMOLED, 68B colors, 120Hz, HDR10+, Dolby Vision, 3000 nits (peak) |
| RAM & storage | ||
| Storage capacity | 128GB | 128GB |
| RAM capacity | 4GB/8GB | 8GB/12GB |
| Cameras | ||
| Rear camera | 13 MP, f/1.8, 27mm (wide), PDAF | 50 MP, f/1.5, 26mm (wide), 1/1.96", 0.8µm, PDAF, OIS |
| Front camera | 8MP | 20 MP, f/2.2, 25mm (wide), 1/4.0", 0.7µm |
| Battery and power | ||
| Battery capacity | 6000mAh | 5110 mAh |
| Charging | 18W wired | 45W wired, PD3.0 |
| Connections | ||
| Connector | USB Type-C, OTG | USB Type-C 2.0, OTG |
| Wi-Fi | Yes | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth | Yes | 5.4, A2DP, LE, LHDC |
| SIM support | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Catalogue price guide | ||
| Catalogue price guide | No current retail quotePublished price guidance; current prices may vary. | No current retail quotePublished price guidance; current prices may vary. |
| Catalogue price guide | Insufficient price or launch-year evidencePublished price guidance; current prices may vary. | Insufficient price or launch-year evidencePublished price guidance; current prices may vary. |
| Software | ||
| Operating system | Android 15, HIOS 15.1 | Android 15, up to 3 major Android upgrades, HyperOS 2 |
Tecno Spark 40C: Model source
Xiaomi Poco X7: Model source