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Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →The Dimensity 9400+ has a larger all-big-core CPU layout and a 12-core GPU, while Apple’s A18 pairs six CPU cores with a five-core GPU and a 16-core Neural Engine. That spec sheet does not determine which phone is faster or better to buy: the chips run in different operating-system ecosystems, and the available AnTuTu figures are not directly comparable across iOS and Android. Compare the specific phones and workloads that matter to you, not just a single score.
How the specifications compare
Apple specifies A18 in the iPhone 16 context; it is not presented as a standalone retail processor. MediaTek describes Dimensity 9400+ as a platform whose capabilities may be implemented differently by each phone maker.
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| Specification | Apple A18 | MediaTek Dimensity 9400+ |
|---|---|---|
| CPU | 6 cores: 2 performance and 4 efficiency cores | 8 cores: 1 Arm Cortex-X925 up to 3.73 GHz, 3 Cortex-X4, and 4 Cortex-A720 |
| GPU | 5-core GPU | Arm Immortalis-G925 MC12, a 12-core GPU |
| AI processor | 16-core Neural Engine | NPU 890 |
| Process or cache details | Built on second-generation 3-nanometer technology, according to Apple’s September 9, 2024 announcement | 12 MB L3 cache and 10 MB system-level cache, according to MediaTek |
| Memory, storage and wireless platform features | Not stated on Apple’s cited A18 specification page | LPDDR5X, UFS 4 with MCQ, Wi-Fi 7 tri-band concurrency, Bluetooth 6.0, and a 3GPP Release 17 modem; phone makers determine implementation and availability |
Sources: Apple iPhone 16 technical specifications, Apple’s September 9, 2024 announcement, and MediaTek Dimensity 9400+ product page.
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What the benchmark numbers do—and do not—show
NanoReview’s comparison page displays AnTuTu 11 aggregate totals of 2,874,956 for Dimensity 9400+ from 171 tests and 1,972,476 for A18 from 29 tests. The counts and scores are the aggregator’s device samples, not results from a controlled test of otherwise identical phones. NanoReview explicitly warns that AnTuTu results from iOS and Android are not directly comparable, so the apparent gap should not be read as a reliable measure of how much faster one chip is.
#1 Best Overall
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- LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
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- NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
- BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.
NanoReview also presents Geekbench 6 comparisons and its own summary scores. Those results should be interpreted with their test version and device context, rather than as universal chip scores. The comparison page is a secondary aggregator, not a matched laboratory test. See NanoReview’s A18 versus Dimensity 9400+ comparison.
How to interpret each chip’s performance claims
Apple’s A18 claims use A16 Bionic as the baseline
In its 2024 iPhone 16 announcement, Apple said A18’s six-core CPU is 30% faster than A16 Bionic’s, its five-core GPU is up to 40% faster and 35% more efficient, and its 16-core Neural Engine runs machine-learning models up to 2x faster. These are Apple’s comparisons with A16 Bionic—not direct measurements against Dimensity 9400+.
Rank #2
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Source: Apple’s September 9, 2024 iPhone 16 announcement.
MediaTek’s feature claims are tied to specific technologies
MediaTek’s 2025 product materials claim 20% faster agentic AI performance with Speculative Decoding+ compared with Dimensity 9400; up to 40% greater power efficiency when MFRC 2.0+ is used compared with operation without MFRC; and 18% 5G power savings with UltraSave 4.0. These are MediaTek claims about named feature contexts, not independent head-to-head results against A18.
Rank #3
- YOUR CONTENT, SUPER SMOOTH: The ultra-clear 6.7" FHD+ Super AMOLED display of Galaxy A17 5G helps bring your content to life, whether you're scrolling through recipes or video chatting with loved ones.¹
- LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
- MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
- NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
- BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.
Sources: MediaTek Dimensity 9400+ product page and MediaTek’s April 10, 2025 announcement.
Which chip should you choose?
Choose between complete phones, not processor names in isolation. A18 is an option in Apple’s iPhone 16; the available official Dimensity 9400+ material describes a platform but does not establish a specific handset model. Phone design, firmware, cooling, battery capacity and software all affect what a chip delivers in daily use.
Rank #4
- PRIVACY DISPLAY: Automatically hide your screen from those beside you. The built-in privacy display can be preset¹ to turn on when receiving notifications, typing passwords, or using specific apps
- TYPE IT IN. TRANSFORM IT FAST: Enhance any shot in seconds on your smartphone by using Photo Assist² with Galaxy AI.³ Add objects, restore details, or apply new styles by simply typing or tapping
- NIGHTS, CAPTURED CLEARLY: From gigs to city lights, record and capture moments after dark with clarity using Nightography so your photos and videos stay crisp and clear on your Samsung Galaxy
- MAKE IT. EDIT IT. SHARE IT: Turn everyday moments into something personal with creative tools built right into your mobile phone, whether it’s a special contact photo, custom wallpaper, an invitation or more⁴
- HELP THAT KEEPS UP: Stay in the moment while Now Nudge with Galaxy AI helps you respond faster and stay organized with smart suggestions⁵ that appear exactly when you need them on your phone
- For app responsiveness and CPU workloads: look for single-core and multi-core results from the exact phone models you are considering. The core counts and architectures are different, so core count alone cannot settle this.
- For games and graphics: compare sustained frame rates, graphics settings, heat and game compatibility on the actual phones. A 12-core GPU versus a five-core GPU is not a cross-platform performance verdict by itself.
- For battery life: prioritize device-level battery tests under comparable workloads. The cited sources do not provide an independent, controlled A18-versus-Dimensity 9400+ efficiency test with matched phones, firmware, ambient temperature and workload.
- For AI features: check which on-device features the phone’s operating system and apps actually support. An AI processor label or a vendor performance claim does not guarantee the same capabilities across ecosystems.
- For connectivity and ownership: check the phone’s implemented modem and wireless features, update policy, app ecosystem, regional configuration and total price. A platform specification does not guarantee every feature appears in every handset.
Bottom line on A18 versus Dimensity 9400+
Dimensity 9400+ stands out on paper for its eight-core CPU, 12-core GPU and detailed connectivity feature list; A18 has a six-core CPU, five-core GPU and 16-core Neural Engine in Apple’s iPhone 16. The published AnTuTu 11 totals are not a sound direct ranking because they come from different operating-system samples and the aggregator warns against comparing them directly. For a purchase decision, matched reviews of the particular phones—and their sustained performance, battery behavior, software and price—matter more than the chip names alone.
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