Qualcomm Snapdragon 821 vs Apple A16 (iPad) Full Specs

Summary

4 Cores(2P+2E) 4 Threads(2P+2E) 2.15GHz	5 Cores(2P+3E) 5 Threads(2P+3E) 3.44GHz
TDP 5W	TDP 5W
Bandwidth 29.9GB/s LPDDR4	Bandwidth 51.2GB/s LPDDR5
iGPU Adreno 530+	iGPU 4-Core A16
Peak·FP32·FP16 639 GFLOPSFP16	Peak·FP32·FP16 1.37 TFLOPSFP16

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 NPU TOPS TDP

Snapdragon 821302

x1

A16 (iPad)2,586

x8.56

Show Top Score

Core Config

4 Cores 2P 2E	5 Cores 2P 3E
4 Threads 2P 2E	5 Threads 2P 3E

Clocks

Base Clock 2.15GHz	Base Clock 3.44GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB P 32KB E	L1i 192KB P 128KB E
L1d 32KB P 32KB E	L1d 128KB P 64KB E
L2 1MB P shared 512KB E shared	L2 16MB P shared 4MB E shared
SLC Cache -	SLC Cache 24MB

Memory

Type LPDDR4	Type LPDDR5
Max Memory 8GB	Max Memory 8GB
ECC No	ECC No
Channels 4	Channels 1
Bus Width 64-bit	Bus Width 64-bit
Speed 3733MT/s	Speed 6400MT/s
Bandwidth 29.9GB/s	Bandwidth 51.2GB/s
Bandwidth Calculator Channels Transfer Rate3733MT/s Calculated Bandwidth 29.9GB/s	Bandwidth Calculator Channels Transfer Rate6400MT/s Calculated Bandwidth 51.2GB/s

Power & Thermals

TDP 5W

TDP 5W

Expansion

-	PCIe PCIe 4.0 x4 7.9GB/sBandwidth

iGPU

iGPU Adreno 530+	iGPU 4-Core A16
Shaders 256	Shaders 512
Boost Clock 624MHz	Boost Clock 1.34GHz
Peak·FP32·FP16 639 GFLOPSFP16	Peak·FP32·FP16 1.37 TFLOPSFP16

NPU

NPU Model Hexagon 680	NPU Model H15 Themis
NPU Cores -	NPU Cores 16
NPU Clock 1GHz	NPU Clock 2.06GHz
Performance -	Performance 17 TOPSFP16

Cellular

Modem Model X12	Modem Model -
Peak Down Up to 600Mbps	Peak Down -
Peak Up Up to 150Mbps	Peak Up -

Chip

Manufacturer Qualcomm	Manufacturer Apple
ISA AArch64	ISA AArch64
Architecture KryoARMv8.0-A	Architecture Apple Silicon 12ARMv8.6-A
Family 8 Series	Family A Series
Branding	Branding
Codename - Snapdragon 821Variant - -	Codename Crete A16Variant EverestP-Core Sawtooth E-Core
Market Segment Smartphone	Market Segment Smartphone
Release Date Sep 9, 2016	Release Date Mar 4, 2025

Fabrication

Foundry Samsung	Foundry TSMC
Fabrication Node 14LPP	Fabrication Node N4P
Die Size -	Die Size 115mm²
Transistor Count -	Transistor Count 16 Billion
Transistor Density -	Transistor Density 139 MTr/mm²

Images

No images available

No images available

Used In

Smartphones PixelPixel XL	Smartphones -
Tablets -	Tablets iPad 11(A16, Early 2025)

Competitors

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