iMac (27-inch Retina Early 2019) iMac (27-inch Retina Early 2019) Difference
OpenCL Score 63726 63726 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Geekbench 5.5.1 Geekbench 5.5.1

System Information

iMac (27-inch Retina Early 2019) iMac (27-inch Retina Early 2019)
Operating System macOS 14.3.1 (Build 23D60) macOS 14.3.1 (Build 23D60)
Model iMac (27-inch Retina Early 2019) iMac (27-inch Retina Early 2019)
Processor Intel Core i9-9900K @ 3.60 GHz
1 Processor, 8 Cores, 16 Threads
Intel Core i9-9900K @ 3.60 GHz
1 Processor, 8 Cores, 16 Threads
Processor ID GenuineIntel Family 6 Model 158 Stepping 13 GenuineIntel Family 6 Model 158 Stepping 13
Processor Codename
Processor Package
L1 Instruction Cache 32.0 KB x 8 32.0 KB x 8
L1 Data Cache 32.0 KB x 8 32.0 KB x 8
L2 Cache 256 KB x 8 256 KB x 8
L3 Cache 16.0 MB x 1 16.0 MB x 1
Motherboard Acidanthera Mac-AA95B1DDAB278B95 iMac19,1 Acidanthera Mac-AA95B1DDAB278B95 iMac19,1
Northbridge
Southbridge
BIOS Acidanthera 2020.40.3.0.0 Acidanthera 2020.40.3.0.0
Memory 64.00 GB DDR4 64.00 GB DDR4
OpenCL Information
Platform Vendor Apple Apple
Platform Name Apple Apple
Device Vendor AMD AMD
Device Name AMD Radeon RX 6600 XT Compute Engine AMD Radeon RX 6600 XT Compute Engine
Board Name
Compute Units 32 32
Maximum Frequency 2900 MHz 2900 MHz
Device Memory 7.98 GB 7.98 GB

OpenCL Performance

iMac (27-inch Retina Early 2019) iMac (27-inch Retina Early 2019) Difference
OpenCL Score 63726 63726 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Sobel 62514 62514 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Canny 41452 41452 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Stereo Matching 221136 221136 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Histogram Equalization 40610 40610 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Gaussian Blur 62215 62215 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Depth of Field 143521 143521 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Face Detection 21030 21030 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Horizon Detection 64118 64118 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Feature Matching 25336 25336 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
Particle Physics 271484 271484 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)
 
SFFT 36523 36523 100.0%
iMac (27-inch Retina Early 2019)
 
iMac (27-inch Retina Early 2019)