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Apple A13 Bionic
General information
Launched	September 10, 2019
Designed by	Apple Inc.
Common manufacturer	TSMC;
Max. CPU clock rate	to 2.65 GHz
Cache
L2 cache	8 MB (performance cores); 4 MB (efficient cores);
Last level cache	16 MB (system cache)
Architecture and classification
Application	Mobile
Technology node	7 nm+ (N7P)
Microarchitecture	"Lightning" and "Thunder"
Instruction set	A64 ARMv8.4-A
Physical specifications
Transistors	8.5 billion;
Cores	6 (ARM big.LITTLE: 2 "big" Lightning + 4 "little" Thunder);
GPU	Apple-designed 4 core
Products, models, variants
Variant	Apple S6/S7/S8 SiP (cut-down version that utilizes high efficiency cores from A13);
History
Predecessors	Apple A12 Bionic (iPhone) ; Apple A12X/A12Z Bionic (iPad)
Successor	Apple A14 Bionic

The Apple A13 Bionic is a 64-bit ARM-based system on a chip (SoC), designed by Apple Inc., part of the Apple silicon series.^[2] It appears in the iPhone 11, 11 Pro/Pro Max, the iPad (9th generation),^[3] the iPhone SE (2nd generation)^[4] and the Studio Display.^[5] Apple states that the two high performance cores are 20% faster with 30% lower power consumption than the Apple A12's, and the four high efficiency cores are 20% faster with 30% lower power consumption than the A12's.^[6]

Design

The Apple A13 Bionic features an Apple-designed 64-bit six-core CPU implementing ARMv8.4-A^[1] ISA, with two high-performance cores running at 2.65 GHz^[7] called Lightning and four energy-efficient cores called Thunder. The Lightning cores feature machine learning accelerators called AMX blocks. Apple claims the AMX blocks are six times faster at matrix multiplication than the Apple A12's Vortex cores. The AMX blocks are capable of up to one trillion single-precision operations per second.^[7] The Lightning cores have access to 8 MB pL2 and the Thunder cores share 4 MB L2. The SLC is 16 MB.^[8]

The A13 integrates an Apple-designed four-core graphics processing unit (GPU) with 20% faster graphics performance and 40% lower power consumption than the A12's. Apple claims their A13's eight-core Neural Engine dedicated neural network hardware is 20% faster and consumes 15% less power than the A12's.^[3]^[7]^[9]

It is manufactured by TSMC on their 2nd generation 7 nm N7P (not to be confused with '7 nm+' or 'N7+'),^[10] and contains 8.5 billion transistors.^[11]^[12]

The A13 has video codec encoding support for HEVC and H.264. It has decoding support for HEVC, H.264, MPEG‑4 Part 2, and Motion JPEG.^[13]

Die block comparison (mm²)^[14]
SoC	A13 (7 nm enhanced)	A12 (7 nm)
Process node	TSMC N7P	TSMC N7
Total die	98.48	83.27
Big core	2.61	2.07
Small core	0.58	0.43
CPU complex (incl. cores)	13.47	11.16
GPU core	3.25	3.23
GPU total	15.28	14.88
NPU	4.64	5.79