How Much Faster?

iPhone 4S

A5, October 2011

Scores

Single-core

about 68

about +11% over iPhone 4

  • Converted from Geekbench 4 score 284
  • Sample size not stated
  • Retrieved 27 October 2026 from EveryMac, unsourced placeholder

Multi-core

about 100

about +64% over iPhone 4

  • Converted from Geekbench 4 score 491
  • Sample size not stated
  • Retrieved 27 October 2026 from EveryMac, unsourced placeholder

GPU (Metal)

No data

Keynote claim, measured

“Apple's dual-core A5 chip delivers up to twice the processing power and up to seven times faster graphics than iPhone 4, all while maintaining incredible battery life—now up to 8 hours of 3G talk time.”

Compares CPU and GPU (Metal) with the A4 in the iPhone 4.

iPhone 4S announcement, October 2011, Apple Newsroom, iPhone 4S announcement, October 2011

Single-coreabout 1.1 times

  • iPhone 4about 61
  • iPhone 4Sabout 68
  • Claimed up to 2×

Multi-coreabout 1.6 times

  • iPhone 4about 61
  • iPhone 4Sabout 100
  • Claimed up to 2×

Falls short on multi-core, estimated

GPU (Metal): not measurable with Geekbench. No Metal on A4 or A5, so neither phone has a Geekbench 6 GPU score.

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, 2011, this deviceabout 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, 20171,056+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

    about 8.84 timesfaster

    Single-core 601 vs about 68. Multi-core about 8.58 times faster, 858 vs about 100.

  • iPhone 18 Pro

    A20 Pro, September 2026

    about 69 timesfaster

    Single-core about 4,695 vs about 68. Multi-core about 125 times faster, about 12,521 vs about 100.

  • Original iPhone

    Samsung ARM11, June 2007

    about 3.1 timesslower

    Single-core about 22 vs about 68. Multi-core about 4.5 times slower, about 22 vs about 100.

  • iPad Pro 11-inch (M5)

    M5, October 2025

    about 61 timesfaster

    Single-core 4,116 vs about 68. Multi-core about 153 times faster, 15,280 vs about 100.

  • MacBook Air (M5)

    M5, March 2026

    about 61 timesfaster

    Single-core 4,168 vs about 68. Multi-core about 169 times faster, 16,934 vs about 100.