iMac (27-inch Retina Late 2015) vs iMac Pro (Late 2017)

Geekbench Scores

iMac (27-inch Retina Late 2015) iMac Pro (Late 2017)
Single-Core Score 6114 5505
Multi-Core Score 21904 50603
Geekbench 4.3.0 Geekbench 4.3.4 Tryout

System Information

iMac (27-inch Retina Late 2015) iMac Pro (Late 2017)
Operating System macOS 10.14 (Build 18A391) macOS 10.14.3 (Build 18D42)
Model iMac (27-inch Retina Late 2015) iMac Pro (Late 2017)
Processor Intel Core i7-6700K @ 4.01 GHz
1 Processor, 4 Cores, 8 Threads 		Intel Xeon W-2191B @ 2.30 GHz
1 Processor, 18 Cores, 36 Threads
Processor ID GenuineIntel Family 6 Model 94 Stepping 3 GenuineIntel Family 6 Model 85 Stepping 4
L1 Instruction Cache 32 KB x 4 32 KB x 18
L1 Data Cache 32 KB x 4 32 KB x 18
L2 Cache 256 KB x 4 1024 KB x 18
L3 Cache 8192 KB 25344 KB
Motherboard Apple Inc. Mac-B809C3757DA9BB8D 1.0 Apple Inc. Mac-7BA5B2D9E42DDD94 iMacPro1,1
BIOS Apple Inc. IM171.88Z.0157.B00.1806261148 Apple Inc. 220.240.2.0.0 (iBridge: 16.16.3133.0.0,0)
Memory 64.00 GB 3000 MHz DDR4 64.00 GB 2666 MHz DDR4

Single-Core Performance

iMac (27-inch Retina Late 2015) iMac Pro (Late 2017)
Single-Core Score 6114 5505
AES 3776
2.84 GB/sec 		4631
3.49 GB/sec
LZMA 5196
8.12 MB/sec 		4841
7.56 MB/sec
JPEG 5855
47.1 Mpixels/sec 		5533
44.5 Mpixels/sec
Canny 5520
76.6 Mpixels/sec 		5001
69.4 Mpixels/sec
Lua 5683
5.84 MB/sec 		5422
5.57 MB/sec
Dijkstra 6826
4.62 MTE/sec 		7218
4.88 MTE/sec
SQLite 4966
137.7 Krows/sec 		4799
133.1 Krows/sec
HTML5 Parse 5080
23.1 MB/sec 		4839
22.0 MB/sec
HTML5 DOM 6508
5.90 MElements/sec 		6262
5.67 MElements/sec
Histogram Equalization 5405
168.9 Mpixels/sec 		5024
157.0 Mpixels/sec
PDF Rendering 7132
189.5 Mpixels/sec 		6657
176.9 Mpixels/sec
LLVM 9471
651.2 functions/sec 		9241
635.4 functions/sec
Camera 6114
17.0 images/sec 		5765
16.0 images/sec
SGEMM 6162
130.3 Gflops 		9704
205.1 Gflops
SFFT 6442
16.1 Gflops 		6401
16.0 Gflops
N-Body Physics 5558
4.15 Mpairs/sec 		5246
3.92 Mpairs/sec
Ray Tracing 5156
752.9 Kpixels/sec 		4917
718.1 Kpixels/sec
Rigid Body Physics 6359
18617.1 FPS 		6086
17817.9 FPS
HDR 6969
25.3 Mpixels/sec 		6538
23.7 Mpixels/sec
Gaussian Blur 6377
111.7 Mpixels/sec 		5585
97.9 Mpixels/sec
Speech Recognition 6441
55.1 Words/sec 		5590
47.8 Words/sec
Face Detection 5621
1.64 Msubwindows/sec 		5239
1.53 Msubwindows/sec
Memory Copy 6811
18.9 GB/sec 		4208
11.7 GB/sec
Memory Latency 7418
58.4 ns 		5596
77.4 ns
Memory Bandwidth 6447
34.4 GB/sec 		3508
18.7 GB/sec

Multi-Core Performance

iMac (27-inch Retina Late 2015) iMac Pro (Late 2017)
Multi-Core Score 21904 50603
AES 20668
15.6 GB/sec 		31362
23.6 GB/sec
LZMA 24278
37.9 MB/sec 		74426
116.2 MB/sec
JPEG 28809
231.8 Mpixels/sec 		79849
642.5 Mpixels/sec
Canny 24329
337.4 Mpixels/sec 		62250
863.2 Mpixels/sec
Lua 22806
23.4 MB/sec 		70926
72.9 MB/sec
Dijkstra 26541
18.0 MTE/sec 		55037
37.2 MTE/sec
SQLite 21235
588.7 Krows/sec 		48878
1.36 Mrows/sec
HTML5 Parse 21841
99.2 MB/sec 		51470
233.7 MB/sec
HTML5 DOM 28213
25.6 MElements/sec 		66407
60.2 MElements/sec
Histogram Equalization 23362
730.0 Mpixels/sec 		52322
1.63 Gpixels/sec
PDF Rendering 29584
786.0 Mpixels/sec 		55104
1.46 Gpixels/sec
LLVM 45176
3.11 Kfunctions/sec 		118337
8.14 Kfunctions/sec
Camera 28650
79.4 images/sec 		82136
227.7 images/sec
SGEMM 19979
422.3 Gflops 		65946
1.39 Tflops
SFFT 25505
63.6 Gflops 		79513
198.2 Gflops
N-Body Physics 24773
18.5 Mpairs/sec 		80728
60.3 Mpairs/sec
Ray Tracing 23958
3.50 Mpixels/sec 		27780
4.06 Mpixels/sec
Rigid Body Physics 33546
98202.0 FPS 		56313
164849.9 FPS
HDR 29382
106.5 Mpixels/sec 		68882
249.7 Mpixels/sec
Gaussian Blur 26285
460.5 Mpixels/sec 		63374
1.11 Gpixels/sec
Speech Recognition 18390
157.3 Words/sec 		47551
406.8 Words/sec
Face Detection 25306
7.39 Msubwindows/sec 		78334
22.9 Msubwindows/sec
Memory Copy 8030
22.2 GB/sec 		7421
20.6 GB/sec
Memory Latency 7397
58.5 ns 		4970
87.1 ns
Memory Bandwidth 6807
36.4 GB/sec 		6281
33.5 GB/sec

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