How Much Faster?

iMac 21.5-inch (Mid 2011)

Core i5 2.5 GHz quad-core, May 2011

Scores

Single-core

No data

Multi-core

No data

GPU (Metal)

No data

Keynote claim, measured

“Starting at $1,199, the new iMac is up to 70 percent faster and new graphics deliver up to three times the performance of the previous generation.”

Compares CPU and GPU (Metal) with the Core i3 3.06 GHz in the iMac 21.5-inch (Mid 2010).

iMac 21.5-inch (Mid 2011) announcement, May 2011, Apple Newsroom, iMac 21.5-inch (Mid 2011) announcement, May 2011

CPU

Claimed up to +70%

No data

GPU (Metal): not measurable with Geekbench. Neither the Mid 2010 nor the Mid 2011 iMac GPU supports Metal (Metal on Mac starts with 2012 models).

iMac single-core, by generation

DeviceSingle-coreChange over the previous generation
iMac 20-inch (Mid 2007)No dataFirst in this line
iMac 20-inch (Early 2008)No data
iMac 20-inch (Early 2009)No data
iMac 21.5-inch (Late 2009)No data
iMac 21.5-inch (Mid 2010)No data
iMac 21.5-inch (Mid 2011), this deviceNo data
iMac 21.5-inch (Late 2012)No data
iMac 21.5-inch (Late 2013)No data
iMac 21.5-inch (Late 2015)No data
iMac 21.5-inch (2017)No data
iMac (Retina 4K, 21.5-inch, 2019)No data
iMac 24-inch (M1), 2021No data
iMac 24-inch (M3), 2023No data
iMac 24-inch (M4), 2024No data
iMac 24-inch (M6), 2026No data

Against other devices

The iMac 21.5-inch (Mid 2011) has no scores to compare.