Apple M1 vs Apple A12Z Bionic vs Apple M1 Pro

Apple M1

The Apple M1 is a System on a Chip (SoC) from Apple that is found in the late 2020 MacBook Air, MacBook Pro 13, and Mac Mini. It offers 8 cores divided in four performance cores and four power-efficiency cores. The big cores offer 192 KB instruction cache, 128 KB data cache, and 12 MB shared L2 cache. According to Apple the performance of these cores should be better than anything on the market (in late 2020). The four efficiency cores are a lot smaller and offer only 128 KB instruction cache, 64 KB data cache, and 4 MB shared cache. The efficiency cores (E cluster) clock with 600 - 2064 MHz, the performance cores (P cluster) with 600 - 3204 MHz.

The M1 is available in two TDP variants, a passive cooled 10 Watt variant for the MacBook Air and an active cooled faster variant for the MacBook Pro 13 and Mac Mini. Those should offer a better-sustained performance according to Apple.

The integrated graphics card in the M1 offers 8 cores (7 cores in the entry MacBook Air) and a peak performance of 2.6 teraflops. Apple claims that it is faster than any other iGPU at the time of announcement.

Furthermore, the SoC integrates a fast 16 core neural engine with a peak performance of 11 TOPS (for AI hardware acceleration), a secure enclave (e.g., for encryption), a unified memory architecture, Thunderbolt / USB 4 controller, an ISP, and media de- and encoders.

The Apple M1 includes 16 billion transistors (up from the 10 billion of the A12Z Bionic and therefore double the amount of a Tiger Lake-U chip like the i7-1185G7) and is manufactured in 5nm at TSMC.

Apple A12Z Bionic

The Apple A12Z Bionic is a System on a Chip (SoC) from Apple that is found in the iPad Pro 11 and 12.5-inch from 2020. It offers 8 cores divided in four performance cores and four power efficiency cores (up from the 6 cores in the A12 of the iPhone XS). The difference to the older Apple A12X Bionic in the iPad Pro 2018 models seems to be an additional GPU core. Regarding CPU Apple noted: "Enhanced thermal design means higher peak and longer sustained performance". More details were not published by Apple, so it may be even the same chip with an additional enabled GPU core. On the other hand, it could be also manufactured in an improved 7nm (EUV?) process and offer higher clock rates. As Apple states no performance improvements on the CPU side, we don't expect big gains. However, the A12X was a very fast ARM based SoC and currently there is no competitor in the Android space that should beat the performance.

The chip also includes the M12 Motion co-processor and a Neural Engine with 8 cores for up to 5 trillion operations per second (unverified, numbers from the A12X).

The Apple A12X included 10 billion transistors (A12 6.9 billion) and the A12Z should be therefore offer a similar amount. This makes it a quite big chip, especially compared to the Snapdragon 835 (3 Billion) or a Skylake desktop quad-core SoC (1.75 Billion).

Apple M1 Pro

The Apple M1 Pro is a System on a Chip (SoC) from Apple that is found in the late 2021 MacBook Pro 14 and 16-inch models. It offers  all 10 cores available in the chip divided in eight performance cores (P-cores with 600 - 3220 MHz) and two power-efficiency cores (E-cores with 600 - 2064 MHz). There is no Turbo Boost for single cores or short burst periods. The cores are similar to the cores in the Apple M1. The entry level model offers only 8 cores.

The big cores (codename Firestorm) offer 192 KB instruction cache, 128 KB data cache, and 24 MB shared L2 cache (up from 12 MB in the M1). The four efficiency cores (codename Icestorm) are a lot smaller and offer only 128 KB instruction cache, 64 KB data cache, and 4 MB shared cache. CPU and GPU can both use the 24 MB SLC (System Level Cache). The efficiency cores (E cluster) clock with 600 - 2064 MHz, the performance cores (P cluster) with 600 - 3228 MHz.

The unified memory (16 or 32 GB LPDDR5-6400) next to the chip is connected by a 256 bit memory controller (200 GB/s bandwidth) and can be used by the GPU and CPU.

The integrated graphics card in the M1 Pro offers all 16 cores.

Furthermore, the SoC integrates a fast 16 core neural engine, a secure enclave (e.g., for encryption), a unified memory architecture, Thunderbolt 4 controller, an ISP, and media de- and encoders (including ProRes).

The M1 Pro is manufactured in 5 nm at TSMC and integrates 33.7 billion transistors. The peak power consumption of the chip was advertised around 30W for CPU intensive tasks. In the Prime95 benchmark the chip uses in our tests (with a MBP16) 33.6W package power and 31W for the CPU part. In idle the SoC only reports 1W package power.