Sony A7 IV vs Canon EOS RP: Which Full-Frame Camera Is Worth It?

Display

The Sony Alpha A7 Mark IV wins on screen quality and usability. It uses a 3.0-inch vari-angle touchscreen with 1.03 million dots, which is not just flexible for vlogging and low-angle shooting, but also more useful for stills and video than Canon’s older 3.0-inch vari-angle touchscreen with 1.04 million dots. On paper the resolution is similar, but Sony’s newer interface, better live-view responsiveness, and more modern menu system make the overall experience stronger. The Canon EOS RP is perfectly usable, but its display feels more like an older-generation mirrorless camera. Winner: Sony A7 IV.

Performance

This is where the Sony pulls away decisively. The A7 IV has a 33-megapixel full-frame sensor, significantly higher than the Canon EOS RP’s 26.2-megapixel sensor, giving more room for cropping and stronger detail for large prints. Sony’s autofocus system is also in a different league: it uses 759 phase-detect AF points and real-time tracking/eye AF that is excellent for people, animals, and moving subjects. The Canon EOS RP relies on Dual Pixel CMOS AF, which is reliable for single-subject work and portraits, but it is not as sticky or confident when subjects move unpredictably. For burst shooting, the Sony is also much faster and better suited to action, events, and hybrid photo/video work. Winner: Sony A7 IV.

Build quality and design

The Sony A7 IV has a more robust, weather-sealed body, a larger grip, dual card slots, and a layout aimed at serious enthusiasts and professionals. It feels like a camera designed to be used all day with heavier lenses, and the controls are more direct once you learn them. The Canon EOS RP is smaller, lighter, and easier to carry, which is a real advantage for travel and casual use, but it also feels more compact and less substantial in the hand. Its single card slot and lighter-duty construction make it less reassuring for paid work or critical shoots. If portability is your priority, Canon is nicer to carry; if confidence and versatility matter more, Sony wins. Winner: Sony A7 IV.

Battery life

Sony takes this category comfortably. The A7 IV uses the larger NP-FZ100 battery, which is a major strength for long shoots, weddings, events, and video sessions; it is one of Sony’s best-selling points across the Alpha line. The Canon EOS RP uses a smaller LP-E17 battery, and battery life is one of its weakest points, especially when using the EVF, rear screen, or 4K video. For anyone working away from chargers, the Sony is simply more dependable. Winner: Sony A7 IV.

Price and value for money

The Canon EOS RP is the clear winner on upfront cost. At £818.99 with the RF 24-105mm F4-7.1 IS STM lens included, it is £831.01 cheaper than the Sony body-only price of £1650.00. That makes Canon far better value if you want a full-frame starter kit and need a lens immediately. However, value is not just about the sticker price: the Sony body brings a much newer sensor, superior autofocus, better video tools, stronger build, and far more headroom for growth. If you are buying for occasional use or want the cheapest full-frame route, Canon wins. If you want long-term capability, Sony’s higher price is easier to justify. Winner: Canon EOS RP.

Game library/features

For this category, interpreted as feature set and ecosystem support rather than literal gaming, the Sony A7 IV wins. Sony’s E-mount lens system is one of the strongest in mirrorless photography, with a huge range of native lenses from Sony, Sigma, Tamron, Samyang, and others. The A7 IV also offers more advanced video features, including 4K recording with stronger oversampling options, 10-bit colour, and better codec support for grading and professional workflows. Canon’s RF system is growing, but the EOS RP is limited by its entry-level positioning and less ambitious video implementation; its 4K mode is notably more compromised than Sony’s. If you care about future lens choice, hybrid shooting, or editing latitude, Sony is ahead. Winner: Sony A7 IV.

Overall user experience

The Canon EOS RP is the easier camera to recommend to absolute beginners who want full-frame image quality without spending a fortune. It is light, simple, and the included RF 24-105mm lens makes it a complete ready-to-shoot package for travel, family, portraits, and everyday photography. But the Sony A7 IV is the more satisfying camera to live with once you start demanding more from your gear. Its autofocus, battery life, dynamic range, video tools, and lens ecosystem all make it a much more capable long-term investment. In real-world use, Sony feels like a serious do-it-all camera, while Canon feels like a budget-friendly entry into full-frame. Overall summary: the Canon wins on affordability and package value, but the Sony wins on almost everything that affects image-making quality and long-term ownership. If your budget stretches, the A7 IV is the better camera; if not, the EOS RP remains an excellent low-cost full-frame starter kit.