iMac (27-inch Retina Late 2015) vs iMac (21.5-inch Retina Mid 2017)

Geekbench Scores

iMac (27-inch Retina Late 2015) iMac (21.5-inch Retina Mid 2017)
Single-Core Score 4941 4459
Multi-Core Score 14458 13565
Geekbench 4.4.4 Tryout Geekbench 4.4.4 Tryout

System Information

iMac (27-inch Retina Late 2015) iMac (21.5-inch Retina Mid 2017)
Operating System macOS 15.0.1 (Build 24A348) macOS 13.0.1 (Build 22A400)
Model iMac (27-inch Retina Late 2015) iMac (21.5-inch Retina Mid 2017)
Processor Intel Core i5-6600 @ 3.31 GHz
1 Processor, 4 Cores 		Intel Core i5-7400 @ 3.00 GHz
1 Processor, 4 Cores
Processor ID GenuineIntel Family 6 Model 94 Stepping 3 GenuineIntel Family 6 Model 158 Stepping 9
L1 Instruction Cache 32 KB x 2 32 KB x 2
L1 Data Cache 32 KB x 2 32 KB x 2
L2 Cache 256 KB x 2 256 KB x 2
L3 Cache 6144 KB 6144 KB
Motherboard Acidanthera Mac-DB15BD556843C820 iMac17,1 Apple Inc. Mac-77F17D7DA9285301 iMac18,2
BIOS Acidanthera 529.120.1.0.0 Apple Inc. 499.40.2.0.0
Memory 16.00 GB 2133 MHz DDR4 8.00 GB 2400 MHz DDR4

Single-Core Performance

iMac (27-inch Retina Late 2015) iMac (21.5-inch Retina Mid 2017)
Single-Core Score 4941 4459
AES 3149
2.37 GB/sec 		2652
2.00 GB/sec
LZMA 4161
6.50 MB/sec 		3453
5.39 MB/sec
JPEG 4890
39.3 Mpixels/sec 		4460
35.9 Mpixels/sec
Canny 4292
59.5 Mpixels/sec 		3623
50.3 Mpixels/sec
Lua 4973
5.11 MB/sec 		3983
4.09 MB/sec
Dijkstra 5411
3.66 MTE/sec 		4303
2.91 MTE/sec
SQLite 4344
120.4 Krows/sec 		3611
100.1 Krows/sec
HTML5 Parse 4275
19.4 MB/sec 		3588
16.3 MB/sec
HTML5 DOM 6396
5.80 MElements/sec 		5316
4.82 MElements/sec
Histogram Equalization 4485
140.1 Mpixels/sec 		3818
119.3 Mpixels/sec
PDF Rendering 6455
171.5 Mpixels/sec 		5537
147.1 Mpixels/sec
LLVM 8528
586.4 functions/sec 		7842
539.2 functions/sec
Camera 4451
12.3 images/sec 		4522
12.5 images/sec
SGEMM 5138
108.6 Gflops 		4719
99.8 Gflops
SFFT 5296
13.2 Gflops 		4876
12.2 Gflops
N-Body Physics 4656
3.48 Mpairs/sec 		4185
3.13 Mpairs/sec
Ray Tracing 4236
618.7 Kpixels/sec 		3815
557.1 Kpixels/sec
Rigid Body Physics 5376
15738.8 FPS 		4926
14422.7 FPS
HDR 5322
19.3 Mpixels/sec 		4824
17.5 Mpixels/sec
Gaussian Blur 5181
90.8 Mpixels/sec 		4755
83.3 Mpixels/sec
Speech Recognition 5266
45.1 Words/sec 		4816
41.2 Words/sec
Face Detection 4795
1.40 Msubwindows/sec 		4336
1.27 Msubwindows/sec
Memory Copy 4572
12.7 GB/sec 		4325
12.0 GB/sec
Memory Latency 6321
68.5 ns 		6503
66.6 ns
Memory Bandwidth 4142
22.1 GB/sec 		4270
22.8 GB/sec

Multi-Core Performance

iMac (27-inch Retina Late 2015) iMac (21.5-inch Retina Mid 2017)
Multi-Core Score 14458 13565
AES 13029
9.81 GB/sec 		12505
9.42 GB/sec
LZMA 13963
21.8 MB/sec 		13032
20.4 MB/sec
JPEG 17975
144.6 Mpixels/sec 		16780
135.0 Mpixels/sec
Canny 14530
201.5 Mpixels/sec 		13406
185.9 Mpixels/sec
Lua 16355
16.8 MB/sec 		16097
16.5 MB/sec
Dijkstra 14419
9.76 MTE/sec 		13390
9.06 MTE/sec
SQLite 15534
430.6 Krows/sec 		14684
407.1 Krows/sec
HTML5 Parse 14862
67.5 MB/sec 		13844
62.9 MB/sec
HTML5 DOM 22322
20.2 MElements/sec 		20384
18.5 MElements/sec
Histogram Equalization 16337
510.5 Mpixels/sec 		15122
472.5 Mpixels/sec
PDF Rendering 18821
500.0 Mpixels/sec 		17041
452.7 Mpixels/sec
LLVM 30116
2.07 Kfunctions/sec 		28428
1.95 Kfunctions/sec
Camera 18339
50.9 images/sec 		16931
46.9 images/sec
SGEMM 13612
287.7 Gflops 		12828
271.2 Gflops
SFFT 19973
49.8 Gflops 		18420
45.9 Gflops
N-Body Physics 17103
12.8 Mpairs/sec 		15995
11.9 Mpairs/sec
Ray Tracing 14188
2.07 Mpixels/sec 		13267
1.94 Mpixels/sec
Rigid Body Physics 19456
56956.2 FPS 		18325
53643.9 FPS
HDR 17432
63.2 Mpixels/sec 		16208
58.8 Mpixels/sec
Gaussian Blur 19251
337.2 Mpixels/sec 		17753
311.0 Mpixels/sec
Speech Recognition 12153
104.0 Words/sec 		11472
98.2 Words/sec
Face Detection 17321
5.06 Msubwindows/sec 		16457
4.81 Msubwindows/sec
Memory Copy 5380
14.9 GB/sec 		4708
13.0 GB/sec
Memory Latency 6279
68.9 ns 		6315
68.6 ns
Memory Bandwidth 4187
22.4 GB/sec 		4475
23.9 GB/sec

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