Design and Build

The Google Pixel 9 Pro Fold is the latest premium foldable phone in the UK, featuring a sleek stainless steel hinge, durable aluminium frame, and ultra-slim 10.5mm folded profile (just 5.1mm when unfolded). Weighing 257g, it’s available in stunning Obsidian and Porcelain finishes. Built with Gorilla Glass Victus 2 and rated IPX8 water-resistant, it offers protection against splashes and submersion up to 1.5m for 30 minutes. The side-mounted fingerprint sensor built into the power button adds convenience, alongside a responsive volume rocker. Known as the best AI foldable phone 2025, the Pixel 9 Pro Fold impresses with its slim design, though users note it's slightly heavier than standard flagship phone.

• Stainless steel hinge, aluminum frame
• 10.5mm folded, 5.1mm unfolded
• Gorilla Glass Victus 2 front and back
• IPX8 water resistance
• No dust resistance rating

Pixel 9 Pro Fold Display

The Google Pixel 9 Pro Fold features a 6.3-inch Actua OLED cover display (1080 x 2424, 422 PPI, 120Hz refresh rate) and a stunning 8-inch Super Actua OLED main display (2076 x 2152, 373 PPI, 120Hz), both protected by Gorilla Glass Victus 2 and supporting HDR10+. With up to 2700 nits peak brightness and a main screen 20% brighter than the original Pixel Fold, it's ideal for vibrant viewing in any lighting. UK users searching for the best foldable phone 2025 with brightest display love its immersive main screen, though some find the cover display’s narrow aspect ratio slightly limiting.

• 6.3-inch Actua OLED cover, 8-inch Super Actua OLED main
• 1080 x 2424 (cover), 2076 x 2152 (main)
• Up to 2700 nits, 60–120Hz
• Gorilla Glass Victus 2 protection
• HDR10+ support

Performance and Software

The Google Pixel 9 Pro Fold is powered by the advanced Google Tensor G4 (8-core, 3.1GHz, 4nm), delivering up to 17% faster performance than the previous Tensor G3. Paired with 16GB RAM and 256GB or 512GB storage, it runs Android 14 and is upgradable to Android 15. This AI foldable phone supports cutting-edge Gemini AI features, Pixel Screenshots, and seamless split-screen multitasking. UK users love its smooth foldable interface, making it one of the best foldable smartphones 2025, though it's slightly less powerful than Snapdragon 8 Gen 3 alternatives.

• Google Tensor G4, 8-core, 4nm
• 16GB RAM, 256GB/512GB storage
• Android 14 (up to Android 15)
• Gemini AI, split-screen multitasking
• No microSD slot

The Tensor G4 ensures fluid performance, with Android 14 optimizing foldable apps, but gaming lags behind competitors.

Pixel 9 Pro Fold Sensors and Health

The Google Pixel 9 Pro Fold is packed with essential sensors including an accelerometer, gyroscope, proximity sensor, ambient light sensor, barometer, and a secure side-mounted fingerprint sensor. While it supports Google Fit for fitness tracking, it lacks dedicated health features like heart rate and SpO2 monitoring, which are common in smartwatches. UK users searching for the best foldable phone with security features appreciate the fast and reliable fingerprint unlock, though some note it’s not a full replacement for advanced health-focused wearables.

• Accelerometer, gyroscope
• Proximity, ambient light sensor
• Barometer, fingerprint sensor
• Google Fit support
• No heart rate or SpO2 sensor

Battery and Charging

The Pixel 9 Pro Fold offers ~24 hours of battery life with a 4650mAh battery. It supports 45W wired charging (0–100% in ~80min) and 15W wireless charging. Real-world use yields 18–20 hours with mixed use. Users appreciate the battery endurance but note slower charging than rivals.

• 4650mAh battery
• ~24h (normal use)
• 45W wired, 15W wireless charging
• Charging: 0–100% in ~80min
• No charger included

Connectivity

The Pixel 9 Pro Fold supports Wi-Fi 6E (2.4GHz/5GHz/6GHz), Bluetooth 5.3, dual-band GPS (GPS, GLONASS, Galileo, QZSS), 5G (sub-6GHz, mmWave), NFC, and USB-C 3.2 Gen 2. It includes stereo speakers and three microphones. Connectivity is robust, with improved 5G range over the Pixel Fold. Users praise call quality but note no eSIM-only option.

• Wi-Fi 6E, Bluetooth 5.3
• Dual-band GPS, 5G
• NFC, Google Pay
• Stereo speakers, three microphones
• USB-C 3.2 Gen 2

Pricing and Availability

Launched at $1799 (256GB), the Pixel 9 Pro Fold began sales on September 4, 2024, via Google, carriers, and retailers. The 512GB model costs $1919. Available in Obsidian and Porcelain, it remains on sale. Users find the price premium steep but value the foldable form factor.