Apple A19 Pro vs Apple A18 Pro
Apple A19 Pro
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The Apple A19 Pro (codenamed Thera) 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 16 MB L2 cache and four efficiency cores with up to 2.6 GHz and 6 MB L2 cache. Together, the CPU cores can access the 32 MB system level cache (SLC). L2 and SLC cache size is the main difference to the cheaper Apple A19.
The integrated GPU can offer 5 cores (iPhone Air) or all 6 cores (iPhone 17 Pro) depending on the model and clocks with up to 1620 MHz (via @faridofanani96).
The integrated AI unit called Neural Engine still offers 16 cores, but with improved memory bandwidth according to Apple. Furthermore, the engine can work together with the new AI units in the GPU.
The integrated LPDDR5X memory controller in the iPhones supports 12 GB LPDDR5X-9600 (resp. 8533 in the Air) with up to 75.8 GB/s memory bandwidth.
The CPU performance is improved compared to the Apple A18 Pro by approx. 15% (single core) or 20% (multi-core) and thanks to the new vapor-chamber cooling in the iPhones, sustained performance in particular has been improved.
The chip is manufactured in the modern N3P process at TSMC.
Apple A18 Pro
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The Apple A18 Pro is a powerful smartphone processor and formal successor to the A17 Pro. This new member of the Apple A processor series debuted in September 2024 alongside the iPhone 16 Pro and iPhone 16 Pro Max; it features 2 performance cores and 4 efficient cores along with a 35 TOPS NPU and the 6-core A18 Pro GPU.
The chip is said to be in large part based on the v9.2A ARM microarchitecture for near-Apple M4 IPC. 5G, Wi-Fi 7, Bluetooth 5.3, various satellite navigation systems and NFC are all supported here.
The more affordable A18 SoC has the same 2 P-cores and 4 E-cores running at slightly lower clock speeds along with a significantly slower graphics adapter. The Pro version of the chip also boasts USB 3.x support whereas devices powered by the A18 are limited to USB 2.0 speeds.
Performance
Its multi-thread benchmark scores leave the Dimensity 9300 as well as the Apple A17 Pro and the Apple A18 pretty far behind with at least a 10% advantage. Overall, Apple M1-like performance is to be expected in short-term workloads.
In the meantime, its single-thread performance comes dangerously close to the M3 and M4 chips despite their higher clocks speeds and slightly more advanced architectures. (The A18 Pro's performance cores can run at just slightly over 4.0 GHz, as far as we know.)
Performance drops are inevitable when under longer-term stress since there is no active cooling solution of any kind here.
Graphics
Like any modern graphics adapter, the 6-core A18 Pro GPU is RT-enabled. It delivers benchmark scores that are most comparable to the Immortalis-G720 MP12, Adreno 740 and Adreno 750; as a matter of fact, it even manages to beat the 7-core M1 GPU in many tests which is rather impressive. Any 2024 and 2025 iOS game will be happy with such an iGPU.
Power consumption
It appears the chip is able to briefly consume up to about 10 W when under high load, with average sustained power consumption figures hovering around 4 W.
The pretty modern TSMC N3E manufacturing process makes the A-series chip very power-efficient, as of late 2024.
| Model | Apple A19 Pro | Apple A18 Pro | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series | Apple Apple A-Series | Apple Apple A-Series | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series: Apple A-Series |
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| Clock | 2600 - 4260 MHz | <=4000 MHz | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 1.4 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 22 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L3 Cache | 32 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 2 x 4.0 GHz Apple A18 P-Core 4 x 2.2 GHz Apple A18 E-Core | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Technology | 3 nm | 3 nm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | 16-core Neural Engine, USB 3.2 Gen 2 (10 Gbps) | 16-core Neural Engine, USB 3.2 Gen 2 (10 Gbps) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| iGPU | Apple A19 Pro 6-Core GPU ( - 1600 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | ARM | ARM | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announced | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TDP Turbo PL2 | 10 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| NPU / AI | 35 TOPS INT8 |
Benchmarks
Average Benchmarks Apple A19 Pro → 0% n=0
Average Benchmarks Apple A18 Pro → 0% n=0
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
