iPhone 8 Plus

A11 Bionic, September 2017

Scores

Single-core

1,056

+30.0% over iPhone 7 Plus

  • Measured average
  • Sample size not stated
  • Retrieved 27 October 2026 from EveryMac, unsourced placeholder

Multi-core

2,269

+96.5% over iPhone 7 Plus

  • Measured average
  • Sample size not stated
  • Retrieved 27 October 2026 from EveryMac, unsourced placeholder

GPU (Metal)

No data

Keynote claims, measured

“A11 Bionic, the most powerful and smartest chip ever in a smartphone, features a six-core CPU design with two performance cores that are 25 percent faster and four efficiency cores that are 70 percent faster than the A10 Fusion, offering industry-leading performance and energy efficiency.”

Compares CPU single-core with the A10 Fusion in the iPhone 7 Plus.

iPhone 8 announcement, September 2017, Apple Newsroom, iPhone 8 announcement, September 2017

Single-core+30.0%

  • iPhone 7 Plus812
  • iPhone 8 Plus1,056
  • Claimed +25%

Matches

Not measurable with Geekbench. Geekbench does not score the efficiency cores alone.

“A new, second-generation performance controller can harness all six cores simultaneously, delivering up to 70 percent greater performance for multi-threaded workloads, giving customers more power while providing the same great battery life.”

Compares CPU multi-core with the A10 Fusion in the iPhone 7 Plus. No baseline named, read as the previous generation.

iPhone 8 announcement, September 2017, Apple Newsroom, iPhone 8 announcement, September 2017

Multi-core+96.5%

  • iPhone 7 Plus1,155
  • iPhone 8 Plus2,269
  • Claimed up to +70%

Exceeds

“A11 Bionic also integrates an Apple-designed GPU with a three-core design that delivers up to 30 percent faster graphics performance than the previous generation.”

Compares GPU (Metal) with the A10 Fusion in the iPhone 7 Plus.

iPhone 8 announcement, September 2017, Apple Newsroom, iPhone 8 announcement, September 2017

GPU

Claimed up to +30%

No data

iPhone flagship single-core, by generation

DeviceSingle-coreChange over the previous generation
iPhone, 2007about 22First in this line
iPhone 3G, 2008about 22about +0.0%
iPhone 3GS, 2009about 45about +107.4%
iPhone 4, 2010about 61about +35.0%
iPhone 4S, 2011about 68about +11%
iPhone 5, 2012about 181about +165.5%
iPhone 5s, 2013about 304about +67.9%
iPhone 6, 2014about 350about +15.2%
iPhone 6s Plus, 2015601about +71.7%
iPhone 7 Plus, 2016812+35.1%
iPhone 8 Plus, 2017, this device1,056+30.0%
iPhone XS, 20181,285+21.7%
iPhone 11 Pro, 20191,711+33.2%
iPhone 12 Pro, 20202,084+21.8%
iPhone 13 Pro, 20212,341+12.3%
iPhone 14 Pro, 20222,624+12.1%
iPhone 15 Pro, 20232,878+9.7%
iPhone 16 Pro, 20243,307+14.9%
iPhone 17 Pro, 20253,765+13.8%
iPhone 18 Pro, 2026about 4,695about +24.7%

Against other devices

  • iPhone 6s Plus

    1.76 timesslower

    Single-core 601 vs 1,056. Multi-core 2.64 times slower, 858 vs 2,269.

  • A20 Pro, September 2026

    about 4.45 timesfaster

    Single-core about 4,695 vs 1,056. Multi-core about 5.52 times faster, about 12,521 vs 2,269.

  • Samsung ARM11, June 2007

    about 48 timesslower

    Single-core about 22 vs 1,056. Multi-core about 100 times slower, about 22 vs 2,269.

  • M5, October 2025

    3.90 timesfaster

    Single-core 4,116 vs 1,056. Multi-core 6.73 times faster, 15,280 vs 2,269.

  • M5, March 2026

    3.95 timesfaster

    Single-core 4,168 vs 1,056. Multi-core 7.46 times faster, 16,934 vs 2,269.