Apple A19 vs Apple A12 Bionic
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.
Apple A12 Bionic
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The Apple A12 Bionic is a System on a Chip (SoC) from Apple that is found in the iPhone Xs and Xr. It was announced late 2018 and offers 6 cores divided in 2 performance cores and four power efficiency cores. Compared to the previous A11 Bionic, the A12 should offer a 15% improved CPU performance for the performance cores and a 50% lower power consumption for the efficiency cores (both according to Apple).
The chip also includes a new GPU that is advertised as 50% faster, the M12 Motion co-processor and a Neural Engine with 8 cores for up to 5 trillion operations per second.
With 6.9 billion transistors, the A12 Bionic is a big chip especially compared to the Snapdragon 835 (3 Billion) or a Skylake desktop quad-core Soc (1.75 Billion). Compared to the A11, the A12 integrates 60% more transistors.
| Model | Apple A19 | Apple A12 Bionic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series | Apple Apple A-Series | Apple Apple A-Series | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series: Apple A-Series |
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| Clock | 2600 - 4260 MHz | <=2490 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 1.4 MB | 256 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 12 MB | 8 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L3 Cache | 12 MB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cores / Threads | 6 / 6 2 x 4.3 GHz Apple A19 P-Core 4 x 2.6 GHz Apple A19 E-Core | 6 / 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Technology | 3 nm | 7 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | 16-core Neural Engine, USB 3.2 Gen 2 (10 Gbps) | ARMv8 Instruction Set | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| iGPU | Apple A19 GPU ( - 1600 MHz) | Apple A12 Bionic GPU | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | ARM | ARM | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announced | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transistors | 6900 Million | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| NPU / AI | 5 TOPS INT8 |
Benchmarks
Average Benchmarks Apple A19 → 100% n=7
Average Benchmarks Apple A12 Bionic → 38% n=7
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
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