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iPhone 12 Pro Max vs iPhone 17 Pro Max

iOS

iPhone 12 Pro Max

84.4%speed held · 5 min · multi-thread
VS
iOS

iPhone 17 Pro Max

75.7%speed held · 15 min · multi-thread

iPhone 12 Pro Max holds its speed better under sustained load

84.4% against 75.7% of full speed · different test settings, see below

Under sustained load

iPhone 12 Pro Max keeps 84.4% of its speed, iPhone 17 Pro Max 75.7%. The runs used different settings (5 min · multi-thread against 15 min · multi-thread), so read the gap with care.

Throughput ribbonshare of full speed over time
Throughput over time: iPhone 12 Pro Max against iPhone 17 Pro Max25%50%75%100%0:005:0010:0015:00Throughput over time: iPhone 12 Pro Max against iPhone 17 Pro Max25%50%75%100%0:005:0010:0015:00
iPhone 12 Pro MaxMeasureiPhone 17 Pro Max
5 min · multi-threadTest15 min · multi-thread
1.14 GIPSFastest sample2.19 GIPS
0.96 GIPSSecond-half average1.66 GIPS
69%Lowest 5-second average70%
SeriousHottest state reportedSerious

The devices

iPhone 12 Pro MaxMeasureiPhone 17 Pro Max
iOSPlatformiOS
–Chip–
–GPU–
iOS 27.0OSiOS 27.0

iPhone 12 Pro Max iPhone 17 Pro Max

Where does yours land?

Run the benchmark on your own device and compare it with either of these in the app.

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