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The A18 Pro leads the A16 Bionic in the available CPU and Neural Engine benchmark results, but those figures compare specific iPhones and submitted benchmark data—not a universal speed difference between chips. Apple lists both processors with six-core CPUs and 16-core Neural Engines; the A18 Pro has a six-core GPU, compared with five GPU cores for the A16 Bionic.
How the chips differ on paper
Apple identifies the A18 Pro with iPhone 16 Pro models and the A16 Bionic with the iPhone 14 Pro generation. The A16 Bionic also appears in other Apple devices, so a chip name alone does not identify one exact device configuration. Apple’s specifications list these core counts:
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| Specification | A18 Pro | A16 Bionic |
|---|---|---|
| CPU | Six cores: two performance and four efficiency cores | Six cores: two performance and four efficiency cores |
| GPU | Six cores | Five cores |
| Neural Engine | 16 cores | 16 cores |
These are Apple’s listed configurations, not measurements of performance or power use. Apple’s iPhone comparison provides the device associations and specifications.
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Geekbench’s iOS CPU table, checked October 7, 2026, lists these results:
#1 Best Overall
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| Phone and chip | Geekbench 7 CPU score |
|---|---|
| iPhone 16 Pro with A18 Pro | 2,898 |
| iPhone 14 Pro with A16 Bionic | 2,368 |
The iPhone 16 Pro result is about 22% higher in this table. Geekbench says that a score twice as high indicates twice the performance. These are device scores, not a promise that every app or task will run 22% faster. The table aggregates submitted results and changes as results accrue. Geekbench 7 iOS CPU results
Geekbench AI results: Neural Engine tests
Geekbench AI’s Core ML Neural Engine table, checked October 7, 2026, reports the following scores. The figures are specific to these test configurations and are not direct measurements of every on-device AI feature.
Rank #2
- Titanium frame combines strength and lightness, giving the iPhone 16 Pro a premium feel while reducing weight for prolonged daily use. The polished edges and textured back enhance grip and handling, making it easier to use during long calls, gaming sessions, or when capturing photos and videos on the move.
| Phone and chip | Single precision | Half precision | Quantized |
|---|---|---|---|
| iPhone 16 Pro with A18 Pro | 4,581 | 32,968 | 45,442 |
| iPhone 14 Pro with A16 Bionic | 3,330 | 20,202 | 23,003 |
PassMark offers a second, differently measured comparison
PassMark’s snapshot dated September 19, 2026, lists CPU Mark and Single Thread Rating scores for the two chips:
| PassMark measure | A18 Pro | A16 Bionic |
|---|---|---|
| CPU Mark | 12,803 | 10,881 |
| Single Thread Rating | 4,075 | 3,975 |
PassMark says these values are tabulated from 1,978 combined submitted PerformanceTest benchmarks and updated daily. They are a second database’s submitted-result comparison, not a controlled test of matched devices. Do not combine PassMark and Geekbench scores into one percentage: the suites use different scoring systems. PassMark’s A18 Pro and A16 Bionic comparison
Rank #3
- Titanium frame combines strength and lightness, giving the iPhone 16 Pro a premium feel while reducing weight for prolonged daily use. The polished edges and textured back enhance grip and handling, making it easier to use during long calls, gaming sessions, or when capturing photos and videos on the move.
What the benchmarks can—and cannot—tell you
Across the cited CPU and AI tables, the A18 Pro-equipped iPhone 16 Pro scores higher than the A16 Bionic-equipped iPhone 14 Pro. That supports a benchmark lead in these results; it does not establish a fixed performance gain in ordinary use.
- Scores are tied to devices and benchmark suites, and can vary with configuration, software, and accumulated submissions.
- The GPU core counts show a specification difference, but the available results here do not establish gaming performance.
- CPU scores do not establish battery life, heat, sustained performance, or power efficiency.
- AI benchmark scores do not predict the speed or quality of every AI feature or app.
Is the A18 Pro a reason to replace an A16 Bionic phone?
Not on benchmark scores alone. These results show that the newer chip leads in the listed tests, but deciding whether to replace a phone also depends on its display, cameras, battery condition, storage, software support, and current price. Those whole-phone factors are not measured by the processor comparisons above.
Quick Recap
Best Value
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Rank #4
- This pre-owned product is not Apple certified, but has been professionally inspected, tested and cleaned by Amazon-qualified suppliers.
- There will be no visible cosmetic imperfections when held at an arm’s length. There will be no visible cosmetic imperfections when held at an arm’s length.
- This product will have a battery which exceeds 80% capacity relative to new.
- Accessories will not be original, but will be compatible and fully functional. Product may come in generic Box.
- This product is eligible for a replacement or refund within 90 days of receipt if you are not satisfied.
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