A20 Pro vs A19 Pro
Apple's first 2nm iPhone chip against the one it replaces
Overview
A20 Pro
Process: 2nm
Announced: Sep 2026
A19 Pro
Process: 3nm
Announced: Sep 2025
Benchmarks
AnTuTu v11
A20 Pro
34,02,829
A19 Pro
23,81,751
Geekbench 6 Single
A20 Pro
4,732
A19 Pro
3,846
Geekbench 6 Multi
A20 Pro
12,641
A19 Pro
9,923
3DMark Wild Life Extreme
A20 Pro
7,942
A19 Pro
5,933
Scores from the iPhone 18 Pro (A20 Pro) and the iPhone 17 Pro (A19 Pro), run on retail units.
At A Glance | ||
| Specification | A20 Pro  | A19 Pro  |
|---|---|---|
| Vendor | Apple | Apple |
| Announced | Sep 2026 | Sep 2025 |
| Process node | 2nmTSMC N2 | 3nmTSMC N3P |
| Found in | iPhone 18 ProiPhone 18 Pro Max, iPhone Duo | iPhone 17 ProiPhone 17 Pro Max, iPhone Air |
Apple's Claimed Gains | ||
| CPU performance | Up to +20%vs A19 Pro | Baseline |
| GPU performance | Up to +40%vs A19 Pro | Baseline |
| AI processing | 2xvs A19 Pro | Baseline |
| Memory bandwidth | +50%vs A19 Pro | Baseline |
CPU | ||
| Layout | 2 super + 4 efficiency | 2 performance + 4 efficiency |
| Cores | 2x super core4x efficiency core | 2x performance core4x efficiency core |
| Peak clock | 4.93GHzEfficiency cores at 2.64GHz | 4.26GHzEfficiency cores at 2.6GHz |
| L3 cache | NoneShared system level cache instead | NoneUses a 32MB system cache |
| Efficiency clock | 2.64GHz | 2.6GHz |
GPU and gaming | ||
| GPU | 7-core GPUNeural Accelerators in each core | 6-core GPU5-core GPU in iPhone Air |
| Ray tracing | Hardware | Hardware |
| Graphics APIs | Metal 4 | Metal 4 |
| GPU Neural Accelerators | In each GPU core | In each GPU core |
AI and NPU | ||
| NPU | Dual 16-core Neural Engine32 cores in total | 16-core Neural Engine |
Memory and storage | ||
| Memory | LPDDR5X96-bit bus | LPDDR5X |
| Max RAM | 12GB | 12GB |
| Storage | NVMeApple storage controller, not UFS | NVMeApple storage controller, not UFS |
| Memory packaging | Memory side by side with the dieWafer-level multi-chip module | Package on packageMemory stacked on the SoC |
Camera and ISP | ||
| ISP | Apple ISP | Apple ISP |
| Max sensor | 48MPFusion Main, Ultra Wide and Telephoto, iPhone 18 Pro | 48MPFusion Main, Ultra Wide and Telephoto, iPhone 17 Pro |
| Video capture | 4K at 120fpsDolby Vision, Fusion Main camera | 4K at 120fpsDolby Vision, Fusion Main camera |
| Slow motion | 4K at 120fpsDolby Vision; 1080p at 240fps | 4K at 120fpsDolby Vision; 1080p at 240fps |
| Pro video formats | ProRes, ProRes RAW, Apple Log 2Genlock; ProRes 4K120 needs external recording | ProRes, ProRes RAW, Apple Log 2Genlock; ProRes 4K120 needs external recording |
Display and video | ||
| On-device display | 2670 x 1878 at 120HziPhone Duo inner display; 2868 x 1320 on iPhone 18 Pro Max | 2868 x 1320 at 120HziPhone 17 Pro Max |
| External display | 4K HDRDisplayPort over USB-C, iPhone 18 Pro | 4K HDRDisplayPort over USB-C, iPhone 17 Pro |
| Video decode | AV1, HEVC, H.264Plus ProRes | AV1, HEVC, H.264Plus ProRes |
Cellular | ||
| Modem | Separate chipApple C2 in iPhone 18 Pro and iPhone Duo; Snapdragon X80 in US iPhone 18 Pro Max | Separate chipSnapdragon X80 in iPhone 17 Pro; Apple C1X in iPhone Air |
| mmWave | SupportedUS models of iPhone 18 Pro | SupportedUS models of iPhone 17 Pro; not on iPhone Air |
| Satellite | SupportedEmergency SOS, Messages, Find My and Roadside Assistance via satellite | SupportedEmergency SOS, Messages, Find My and Roadside Assistance via satellite |
Wi-Fi and connectivity | ||
| Wi-Fi | Wi-Fi 7Apple N1, separate chip in iPhone 18 Pro | Wi-Fi 7Apple N1, separate chip in iPhone 17 Pro |
| Bluetooth | 6.0Apple N1, separate chip in iPhone 18 Pro | 6.0Apple N1, separate chip in iPhone 17 Pro |
| UWB | SupportedApple second-generation UWB chip in iPhone 18 Pro | SupportedApple second-generation UWB chip in iPhone 17 Pro |
| USB | USB 3, 10GbpsUSB-C on iPhone 18 Pro | USB 3, 10GbpsiPhone 17 Pro; USB 2 on iPhone Air |
| Navigation | GPS, GLONASS, Galileo, QZSS, BeiDou, NavICDual-frequency GPS, iPhone 18 Pro | GPS, GLONASS, Galileo, QZSS, BeiDou, NavICDual-frequency GPS, iPhone 17 Pro |
| Thread | SupportedApple N1 | SupportedApple N1 |
Specifications from the manufacturers’ official spec sheets · Updated 2026-10-20