Two different processors for the new iPhones! Here are the differences

Both processors are produced using TSMC's 3nm (N3P) process. Both have the same CPU configuration: two high-performance + four efficiency cores, capable of reaching 4.26GHz. This means there is no difference in architecture or power efficiency.
However, when we look at the GPU, we see the real difference. The A19 comes with a 5-core GPU, while the A19 Pro has a 6-core GPU. The iPhone 17 Air uses a stripped-down 5-core GPU version of the Pro chip. Thanks to their graphics power, the iPhone 17 Pro and Pro Max stand out in gaming and graphics-intensive applications. Both processors also offer hardware-accelerated ray tracing support.
PERFORMANCE AND MEMORY
Apple's A19 Pro processors are using a vapor chamber cooling system for the first time. This improves performance under long-term loads. While the difference isn't significant in daily use, the Pro models offer an advantage in scenarios like intensive gaming or 4K/8K video editing, according to tests.
There's also a difference in memory. The A19 processor comes with 8GB of LPDDR5X RAM and 4MB of L2 cache, while the A19 Pro comes with 12GB of LPDDR5X RAM and 6MB of L2 cache. Furthermore, some professional features like ProRes RAW video recording are only supported in hardware on the Pro chip. The improved ISP (Image Signal Processor) is also noteworthy in image processing.
ARTIFICIAL INTELLIGENCE ABILITIES
Both processors feature a revamped 16-core Neural Engine, which powers many of the AI features in iOS 26 directly on the device. Features like live photo enhancement, real-time translation, and text prediction are both faster and more discreet.
CONNECTION AND MODEM DIFFERENCES
For the A19 series, Apple developed the new N1 wireless networking chip. This brings support for WiFi 7 and Bluetooth 6. The iPhone 17 Pro uses Qualcomm's high-end 5G modem. The iPhone 17 Air comes with Apple's own C1X 5G modem. While it's more efficient, it only supports sub-6GHz frequencies.
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