Trezor Safe 7 vs Safe 5: Is the Upgrade Worth It?
This comparison answers whether the upgrade from the Safe 5 to the Safe 7 is worth the extra cost. I also made a video specifically comparing these two models if you prefer to watch.
Screen
Safe 5 has a 1.54-inch color touchscreen. Safe 7 has a 2.5-inch color touchscreen, 62% more area, 700 nit brightness (readable outdoors).
Build materials
Safe 5: plastic body that feels rigid, Gorilla Glass front, anodized aluminum back plate. Safe 7: single solid piece of aluminum unibody, Gorilla Glass on both front and back.
Water and dust resistance
Safe 7 is IP67 rated. Safe 5 has no official rating.
Wireless charging
Safe 7 has wireless Qi2 charging. After years of use the device still works through USB-C if the battery wears out. Safe 5 is USB-C only.
MicroSD card slot
Safe 5 has it for an optional extra security layer: PIN plus physical card to unlock. Safe 7 does not. In practice, few people use the MicroSD feature.
Security chips
Safe 5: one EAL6+ certified secure element chip. Safe 7: three independent chips. TROPIC01 (world's first fully open and auditable secure element), standard EAL6+ chip, and main microcontroller. Three layers of defense.
Safe 7 also includes post-quantum cryptography for firmware updates, so future quantum computer threats cannot trick the device into installing malicious firmware. Safe 5 does not.
Connectivity
Safe 5 is USB-C only. Safe 7 adds Bluetooth. Bluetooth on the Safe 7 is faster and more reliable in my experience. Less unplugging and replugging to get a connection.
iPhone compatibility
This is the biggest practical difference for most people.
Safe 5 is basically read-only on iPhone. You can check balances and receive crypto, but cannot send, swap, set up, or manage. You need desktop or Android for that.
Safe 7 solves this completely. Bluetooth makes it fully compatible with iPhone. Full experience including sending and managing directly from iPhone.
Bluetooth security
Trezor physically separated the Bluetooth module from the secure element chips inside the Safe 7. No way to access the chip holding your private key through Bluetooth. Trezor also uses their own encrypted Trezor Host Protocol on top of standard Bluetooth, encrypting every message. Bluetooth can also be turned off entirely in settings to use the Safe 7 as a cable-only device.
My conclusion
If you are an iPhone user, get the Safe 7. The Safe 5 does not really work with iPhone for anything beyond checking balances.
If you want the most verifiable security right now, the Safe 7 with its triple-chip design and TROPIC01 chip is the best wallet for that purpose.
The Safe 5 works very well and is cheaper. But for a serious holder, the Safe 7 has meaningful upgrades that matter for future threats, including post-quantum security that no other competing wallet currently has.