Apple A15 Bionic vs Apple A19
Apple A15 Bionic
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The Apple A15 Bionic is a System on a Chip (SoC) from Apple that is found in the iPhone 13 and iPad Mini (2021) models. It was announced late 2021 and offers 6 cores divided in 2 performance cores and four power efficiency cores. The CPU performance increases only slightly compared to the A14, but GPU (in the higher end models) offers higher gains.
The chip is manufactured in 5nm and integrates 15.8 billion transistors (compared to the 11.8 of the A14).
Apple A19
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The Apple A19 (codenamed Tilos) is a smartphone chip from Apple that was launched in 2025. It integrates 6 CPU cores divided into two performance cores with up to 4.26 GHz and 8 MB L2 cache and four efficiency cores with up to 2.6 GHz and 4 MB L2 cache. Together, the CPU cores can access the 12 MB system level cache (SLC). L2 and SLC cache size is the main difference to the more expensive Apple A19 Pro.
The integrated GPU offers 5 cores with up to 1620 MHz (via @faridofanani96).
The AI engine is called Neural Engine still offers 16 cores, but according to Apple with improved memory bandwidth. Furthermore, the engine can work together with the new AI units in the GPU.
The integrated LPDDR5X memory controller in the iPhones supports 8 GB LPDDR5X-8533 with up to 68.26 GB/s memory bandwidth.
The CPU performance is only slightly lower than the A19 Pro (due to the smaller caches) and therefore still faster than last year's A18 Pro.
The chip is manufactured in the modern N3P process at TSMC.
| Model | Apple A15 Bionic | Apple A19 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series | Apple Apple A-Series | Apple Apple A-Series | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series: Apple A-Series |
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| Clock | 2020 - 3230 MHz | 2600 - 4260 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 16 MB | 12 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L3 Cache | 32 MB | 12 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cores / Threads | 6 / 6 | 6 / 6 2 x 4.3 GHz Apple A19 P-Core 4 x 2.6 GHz Apple A19 E-Core | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transistors | 15800 Million | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Technology | 5 nm | 3 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | ARMv8 Instruction Set, Machine Learning Controller, 16-Core Neural Engine, Secure Enclave, Advanced Image Signal Processor | 16-core Neural Engine, USB 3.2 Gen 2 (10 Gbps) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| iGPU | Apple A15 GPU 5-Core | Apple A19 GPU ( - 1600 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| NPU / AI | 15.8 TOPS INT8 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | ARM | ARM | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announced | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 1.4 MB |
Benchmarks
Average Benchmarks Apple A15 Bionic → 100% n=8
Average Benchmarks Apple A19 → 161% n=8
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
