

- FIREFOX WINDOWS 8.1 64 BIT 720P
- FIREFOX WINDOWS 8.1 64 BIT WINDOWS 10
- FIREFOX WINDOWS 8.1 64 BIT ANDROID
- FIREFOX WINDOWS 8.1 64 BIT PRO

FIREFOX WINDOWS 8.1 64 BIT WINDOWS 10
Tested with prerelease Safari 15.0 on macOS, and Chrome v.61, Microsoft Edge v94.0.992.31, and Firefox v92.0.1 on macOS and Windows 10 Pro, with WPA2 Wi-Fi network connection.
FIREFOX WINDOWS 8.1 64 BIT PRO
Tested on production 13-inch MacBook Pro systems with Apple M1, 8GB RAM, 256GB SSD, and prerelease macOS Monterey, and Intel Core i7-based PC systems with Intel Iris Xe Graphics and the latest version of Windows 10 Pro available at the time of testing. Performance comparisons are rounded values Safari scored higher than other browsers across these benchmarks at the time of testing. Testing conducted by Apple in September 2021 using JetStream 2, MotionMark 1.2, and Speedometer 2.0 performance benchmarks.Performance will vary based on system configuration, application workload, and other factors. Not all features are available on all devices.
FIREFOX WINDOWS 8.1 64 BIT 720P
Prerelease Safari 15.0 tested with HD 1080p content Chrome v.61, Microsoft Edge v94.0.992.31, and Firefox v92.0.1 tested with HD 720p content. Systems tested with WPA2 Wi-Fi network connection while running on battery power, with display brightness set to 8 clicks from bottom or 50%.

Devices tested with a WPA2 Wi-Fi network connection.
FIREFOX WINDOWS 8.1 64 BIT ANDROID
Tested with prerelease Safari 15 and latest stable versions of Chrome, Microsoft Edge, and Firefox at the time of testing on: 13-inch MacBook Pro systems with Apple M1 and prerelease macOS Monterey, and Intel Core i7-based PC systems with Intel Iris Xe Graphics and Windows 10 Pro iPad Pro 12.9-inch (5th generation) units with prerelease iPadOS 15, and Intel Core i7-based PC systems with Intel Iris Xe Graphics and Windows 10 Pro and iPhone 12 Pro Max with prerelease iOS 15, and Qualcomm Snapdragon 888-based smartphones with Android 11.
