iPhone 12 Pro Max vs iPhone 15 Pro Max
iOS
iPhone 12 Pro Max
84.4%speed held · 5 min · multi-threadVS
iOS
iPhone 15 Pro Max
82.5%speed held · 5 min · multi-threadiPhone 12 Pro Max holds its speed better under sustained load
84.4% against 82.5% of full speed
Under sustained load
iPhone 12 Pro Max keeps 84.4% of its speed, iPhone 15 Pro Max 82.5%.
Throughput ribbonshare of full speed over time
| iPhone 12 Pro Max | Measure | iPhone 15 Pro Max |
|---|---|---|
| 5 min · multi-thread | Test | 5 min · multi-thread |
| 1.14 GIPS | Fastest sample | 1.90 GIPS |
| 0.96 GIPS | Second-half average | 1.57 GIPS |
| 69% | Lowest 5-second average | 79% |
| Serious | Hottest state reported | Nominal |
The devices
| iPhone 12 Pro Max | Measure | iPhone 15 Pro Max |
|---|---|---|
| iOS | Platform | iOS |
| – | Chip | – |
| – | GPU | – |
| iOS 27.0 | OS | iOS 26.6.1 |
More matchups
iPad mini (5th generation)84.6%
vs
iPhone 12 Pro Max84.4%
Dead heat: both hold their speed equally well
HONOR X7b84.9%
vs
iPhone 12 Pro Max84.4%
Dead heat: both hold their speed equally well
iPad (A16)85.4%
vs
iPhone 12 Pro Max84.4%
iPad (A16) holds its speed better under sustained load
iPhone 12 Pro Max84.4%
vs
iPhone 16 Pro85.5%
iPhone 16 Pro holds its speed better under sustained load
iPhone 15 Pro Max82.5%
vs
Xiaomi POCO X6 Pro 5G82.3%
Dead heat: both hold their speed equally well
iPhone 14 Pro81.3%
vs
iPhone 15 Pro Max82.5%
iPhone 15 Pro Max holds its speed better under sustained load
Where does yours land?
Run the benchmark on your own device and compare it with either of these in the app.