iMac (27-inch Retina Late 2015) vs iMac (27-inch Retina Mid 2020)

iMac (27-inch Retina Late 2015) iMac (27-inch Retina Mid 2020) Difference
Single-Core Score 1083 1319 82.1%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Multi-Core Score 3983 8302 48.0%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Geekbench 5.4.1 Tryout Geekbench 5.3.1

System Information

iMac (27-inch Retina Late 2015) iMac (27-inch Retina Mid 2020)
Operating System macOS 10.14 (Build 18A391) macOS 11.0.1 (Build 20B29)
Model iMac (27-inch Retina Late 2015) iMac (27-inch Retina Mid 2020)
Processor Intel Core i7-6700K @ 4.00 GHz
1 Processor, 4 Cores, 8 Threads 		Intel Core i7-10700K @ 3.80 GHz
1 Processor, 8 Cores, 16 Threads
Processor ID GenuineIntel Family 6 Model 94 Stepping 3 GenuineIntel Family 6 Model 165 Stepping 5
Processor Codename
Processor Package
L1 Instruction Cache 32.0 KB x 4 32.0 KB x 8
L1 Data Cache 32.0 KB x 4 32.0 KB x 8
L2 Cache 256 KB x 4 256 KB x 8
L3 Cache 8.00 MB x 1 16.0 MB x 1
Motherboard Apple Inc. Mac-B809C3757DA9BB8D iMac17,1 Apple Inc. Mac-CFF7D910A743CAAF iMac20,1
Northbridge
Southbridge
BIOS Apple Inc. IM171.88Z.0157.B00.1806261148 Apple Inc. 1554.50.3.0.0 (iBridge: 18.16.12561.0.0,0)
Memory 32.00 GB DDR3 40.00 GB DDR4

Single-Core Performance

iMac (27-inch Retina Late 2015) iMac (27-inch Retina Mid 2020) Difference
Single-Core Score 1083 1319 82.1%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
AES-XTS 1487 1657 89.7%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Text Compression 1001 1395 71.8%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Image Compression 1036 1260 82.2%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Navigation 987 1191 82.9%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
HTML5 842 1176 71.6%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
SQLite 932 1163 80.1%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
PDF Rendering 1052 1230 85.5%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Text Rendering 1036 1248 83.0%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Clang 951 1170 81.3%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Camera 1037 1242 83.5%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
N-Body Physics 947 1221 77.6%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Rigid Body Physics 1238 1496 82.8%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Gaussian Blur 1068 1077 99.2%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Face Detection 1050 1329 79.0%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Horizon Detection 1023 1211 84.5%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Image Inpainting 2054 2288 89.8%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
HDR 2018 2350 85.9%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Ray Tracing 1403 1649 85.1%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Structure from Motion 1044 1223 85.4%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Speech Recognition 1034 1396 74.1%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Machine Learning 1162 1307 88.9%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 

Multi-Core Performance

iMac (27-inch Retina Late 2015) iMac (27-inch Retina Mid 2020) Difference
Multi-Core Score 3983 8302 48.0%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
AES-XTS 4308 4752 90.7%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Text Compression 4418 10675 41.4%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Image Compression 4768 10866 43.9%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Navigation 2709 3784 71.6%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
HTML5 3182 8627 36.9%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
SQLite 3637 9760 37.3%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
PDF Rendering 4025 7823 51.5%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Text Rendering 3478 6881 50.5%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Clang 4107 10269 40.0%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Camera 3983 8177 48.7%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
N-Body Physics 4450 9667 46.0%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Rigid Body Physics 6027 15353 39.3%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Gaussian Blur 4020 9231 43.5%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Face Detection 4727 11453 41.3%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Horizon Detection 4152 8432 49.2%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Image Inpainting 6050 11953 50.6%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
HDR 7841 16183 48.5%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Ray Tracing 6352 14746 43.1%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Structure from Motion 3934 9212 42.7%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Speech Recognition 2392 4379 54.6%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 
Machine Learning 2026 2391 84.7%
iMac (27-inch Retina Late 2015)
 
iMac (27-inch Retina Mid 2020)
 

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