Apple A11 Bionic vs Qualcomm Snapdragon 821 Full Specs

Summary

6 Cores(2P+4E) 6 Threads(2P+4E) 2.39GHz	4 Cores(2P+2E) 4 Threads(2P+2E) 2.15GHz
TDP 5W	TDP 5W
Bandwidth 34.1GB/s LPDDR4X	Bandwidth 29.9GB/s LPDDR4
iGPU 3-Core A11	iGPU Adreno 530+
Peak·FP32·FP16 437.8 GFLOPSFP16	Peak·FP32·FP16 639 GFLOPSFP16

Highlights

Geekbench 6 Single

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

A11 Bionic1,121

x3.71

Snapdragon 821302

x1

Show Top Score

Core Config

6 Cores 2P 4E	4 Cores 2P 2E
6 Threads 2P 4E	4 Threads 2P 2E

Clocks

Base Clock 2.39GHz	Base Clock 2.15GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 64KB P 32KB E	L1i 32KB P 32KB E
L1d 64KB P 32KB E	L1d 32KB P 32KB E
L2 8MB P shared 1MB E shared	L2 1MB P shared 512KB E shared
SLC Cache 4MB	SLC Cache -

Memory

Type LPDDR4X	Type LPDDR4
Max Memory 3GB	Max Memory 8GB
ECC No	ECC No
Channels 1	Channels 4
Bus Width 64-bit	Bus Width 64-bit
Speed 4266MT/s	Speed 3733MT/s
Bandwidth 34.1GB/s	Bandwidth 29.9GB/s
Bandwidth Calculator Channels Transfer Rate4266MT/s Calculated Bandwidth 34.1GB/s	Bandwidth Calculator Channels Transfer Rate3733MT/s Calculated Bandwidth 29.9GB/s

Power & Thermals

TDP 5W

TDP 5W

Expansion

PCIe PCIe 3.0 x4 3.9GB/sBandwidth

-

iGPU

iGPU 3-Core A11	iGPU Adreno 530+
Shaders 192	Shaders 256
Boost Clock 1.14GHz	Boost Clock 624MHz
Peak·FP32·FP16 437.8 GFLOPSFP16	Peak·FP32·FP16 639 GFLOPSFP16

NPU

NPU Model -	NPU Model Hexagon 680
NPU Cores 2	NPU Cores -
NPU Clock -	NPU Clock 1GHz
Performance 600 GOPSFP16	Performance -

Cellular

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

Chip

Manufacturer Apple	Manufacturer Qualcomm
ISA AArch64	ISA AArch64
Architecture Apple Silicon 7ARMv8.2-A	Architecture KryoARMv8.0-A
Family A Series	Family 8 Series
Branding	Branding
Codename Skye A11Variant MonsoonP-Core MistralE-Core	Codename - Snapdragon 821Variant - -
Market Segment Smartphone	Market Segment Smartphone
Release Date Sep 22, 2017	Release Date Sep 9, 2016

Fabrication

Foundry TSMC	Foundry Samsung
Fabrication Node 10FF	Fabrication Node 14LPP
Die Size 88mm²	Die Size -
Transistor Count 4.3 Billion	Transistor Count -
Transistor Density 49 MTr/mm²	Transistor Density -

Images

No images available

No images available

Used In

Smartphones iPhone 8iPhone 8 PlusiPhone X

Smartphones PixelPixel XL

Competitors

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QualcommSnapdragon 821 vs CPU QualcommSnapdragon 8 Elite Gen 5 QualcommSnapdragon 821 vs CPU AppleA16 (iPad) QualcommSnapdragon 821 vs CPU QualcommSnapdragon 8 Elite Galaxy Show 12 more