HONOR 400 Pro vs Motorola Signature
Our Verdict: The HONOR 400 Pro has a far higher-resolution main camera, 200MP against the Motorola Signature's 50MP, and the Motorola Signature is the lighter phone at 186g against 205g. The HONOR 400 Pro is the one to have if you want what it adds, but the Motorola Signature is the smarter buy if you'd rather keep the money.
The Motorola Signature is the cheaper one to own: around £821 over a typical contract, £174 less than the HONOR 400 Pro.
7 reviews 4.1
10 reviews
Prices updated 10 July 2026
HONOR 400 Pro
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Motorola Signature
|
|
|---|---|---|
| Expert Rating | 4.2 7 reviews |
4.1 10 reviews |
| Screen | 6.7" | 6.8" |
| Display | AMOLED | LTPO AMOLED |
| Resolution | 1224 x 2700 | 1264 x 2780 |
| Pixels Per Inch | 442 | 449 |
| Rear Camera | 200 Megapixels | 50 Megapixels |
| Front Camera | 16 Megapixels | 50 Megapixels |
| Chipset | Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) | Qualcomm SM8845 Snapdragon 8 Gen 5 (3 nm) |
| Battery | 5,300 mAh | 5,200 mAh |
| Storage | 512GB | 512GB |
| OS | Android | Android 16 |
| SIM Type | Nano SIM + Nano SIM | nano-SIM and e-SIM |
| Connectivity | Up to 5G | Up to 5G |
| Wi-Fi | 802.11 a/b/g/n/ac/6/7 | 802.11 a/b/g/n/ac/6/7 |
| Bluetooth | 5.4, A2DP, LE | 6.0, A2DP, LE |
| Dimensions | 161 x 74.6 x 7.3 mm | 162.1 x 76.4 x 7 mm |
| Weight | 205 grams | 186 grams |
| Water Resistance | IP68/IP69 dust/water resistant (up to 1.5m for 30 min) | IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 30 min |
| Contracts |
£79.83/mo
£30.00 upfront |
£19.99/mo
£319.00 upfront |
| SIM-free | - | £897.00 |
| Prices updated 10 July 2026 | ||
| Deals | Deals | |
Cheapest Deals
Frequently Asked Questions
Is the HONOR 400 Pro or Motorola Signature cheaper on contract?
Based on total cost of ownership, the Motorola Signature is cheaper on contract at £821.16 over the life of the deal from £19.99 per month with £319.00 upfront.
Which has the better screen, the HONOR 400 Pro or Motorola Signature?
Both phones have a similar screen size at around 6.7", both screens are similarly sharp at around 442 pixels per inch, and the HONOR 400 Pro uses a AMOLED panel while the Motorola Signature has a LTPO AMOLED.
Which has the better camera, the HONOR 400 Pro or Motorola Signature?
The HONOR 400 Pro features a 200 Megapixels rear camera, while the Motorola Signature has a 50 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.
What storage options are available for the HONOR 400 Pro and Motorola Signature?
The HONOR 400 Pro is available in 512GB, while the Motorola Signature comes in 512GB.
What processors do the HONOR 400 Pro and Motorola Signature use?
The HONOR 400 Pro is powered by the Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm), while the Motorola Signature uses the Qualcomm SM8845 Snapdragon 8 Gen 5 (3 nm).
Which is easier to carry and hold, the HONOR 400 Pro or Motorola Signature?
It's a trade-off: the Motorola Signature is lighter but the HONOR 400 Pro is more compact. It's 19g lighter at 186 grams, though the HONOR 400 Pro is actually the more compact phone at 161 x 74.6 x 7.3 mm.
Which is more water resistant, the HONOR 400 Pro or Motorola Signature?
The HONOR 400 Pro is rated IP68/IP69 dust/water resistant (up to 1.5m for 30 min), while the Motorola Signature is rated IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 30 min.
What operating system do the HONOR 400 Pro and Motorola Signature run?
The HONOR 400 Pro runs Android and the Motorola Signature runs Android 16. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.