iMac (27-inch Retina Late 2015) vs HP Z420 Workstation

Geekbench Scores

iMac (27-inch Retina Late 2015) HP Z420 Workstation
Single-Core Score 6183 2647
Multi-Core Score 22039 8444
Geekbench 4.3.1 Geekbench 4.2.0

System Information

iMac (27-inch Retina Late 2015) HP Z420 Workstation
Operating System macOS 10.14.1 (Build 18B75) Microsoft Windows 10 Enterprise 2016 LTSB (64-bit)
Model iMac (27-inch Retina Late 2015) Hewlett-Packard HP Z420 Workstation
Processor Intel Core i7-6700K @ 4.01 GHz
1 Processor, 4 Cores, 8 Threads 		Intel Xeon E5-1603 @ 2.79 GHz
1 Processor, 4 Cores
Processor ID GenuineIntel Family 6 Model 94 Stepping 3 GenuineIntel Family 6 Model 45 Stepping 7
Processor Codename Sandy Bridge-EP/EX
Processor Package Socket 2011 LGA
L1 Instruction Cache 32 KB x 4 32 KB x 2
L1 Data Cache 32 KB x 4 32 KB x 2
L2 Cache 256 KB x 4 256 KB x 2
L3 Cache 8192 KB 10240 KB
Motherboard Apple Inc. Mac-B809C3757DA9BB8D 1.0 Hewlett-Packard 1589
Northbridge Intel Sandy Bridge-E 07
Southbridge Intel C602 05
BIOS Apple Inc. 161.0.0.0.0 Hewlett-Packard J61 v03.91
Memory 64.00 GB 3000 MHz DDR4 11.93 GB DDR3 SDRAM 532MHz

Single-Core Performance

iMac (27-inch Retina Late 2015) HP Z420 Workstation
Single-Core Score 6183 2647
AES 3869
2.91 GB/sec 		2426
1.83 GB/sec
LZMA 5300
8.28 MB/sec 		3093
4.83 MB/sec
JPEG 5948
47.9 Mpixels/sec 		2680
21.6 Mpixels/sec
Canny 5580
77.4 Mpixels/sec 		2673
37.1 Mpixels/sec
Lua 5757
5.92 MB/sec 		2071
2.13 MB/sec
Dijkstra 7044
4.77 MTE/sec 		3094
2.09 MTE/sec
SQLite 5112
141.7 Krows/sec 		2551
70.7 Krows/sec
HTML5 Parse 5182
23.5 MB/sec 		2166
9.83 MB/sec
HTML5 DOM 6700
6.07 MElements/sec 		3022
2.74 MElements/sec
Histogram Equalization 5535
172.9 Mpixels/sec 		2580
80.6 Mpixels/sec
PDF Rendering 7301
194.0 Mpixels/sec 		2780
73.9 Mpixels/sec
LLVM 9740
669.7 functions/sec 		4075
280.2 functions/sec
Camera 6299
17.5 images/sec 		2726
7.56 images/sec
SGEMM 6283
132.8 Gflops 		1284
27.1 Gflops
SFFT 6613
16.5 Gflops 		2459
6.13 Gflops
N-Body Physics 5651
4.22 Mpairs/sec 		2194
1.64 Mpairs/sec
Ray Tracing 5227
763.3 Kpixels/sec 		2094
305.8 Kpixels/sec
Rigid Body Physics 6502
19035.9 FPS 		2520
7378.5 FPS
HDR 7096
25.7 Mpixels/sec 		2941
10.7 Mpixels/sec
Gaussian Blur 6443
112.9 Mpixels/sec 		2606
45.7 Mpixels/sec
Speech Recognition 6587
56.4 Words/sec 		3272
28.0 Words/sec
Face Detection 5615
1.64 Msubwindows/sec 		2514
734.3 Ksubwindows/sec
Memory Copy 6765
18.7 GB/sec 		2813
7.79 GB/sec
Memory Latency 7518
57.6 ns 		4643
93.2 ns
Memory Bandwidth 6010
32.1 GB/sec 		1852
9.89 GB/sec

Multi-Core Performance

iMac (27-inch Retina Late 2015) HP Z420 Workstation
Multi-Core Score 22039 8444
AES 19022
14.3 GB/sec 		9142
6.88 GB/sec
LZMA 24930
38.9 MB/sec 		11241
17.6 MB/sec
JPEG 28622
230.3 Mpixels/sec 		11150
89.7 Mpixels/sec
Canny 24437
338.9 Mpixels/sec 		9539
132.3 Mpixels/sec
Lua 22913
23.5 MB/sec 		8069
8.29 MB/sec
Dijkstra 24963
16.9 MTE/sec 		8821
5.97 MTE/sec
SQLite 21484
595.6 Krows/sec 		9903
274.6 Krows/sec
HTML5 Parse 22398
101.7 MB/sec 		9149
41.5 MB/sec
HTML5 DOM 27754
25.1 MElements/sec 		12035
10.9 MElements/sec
Histogram Equalization 24070
752.1 Mpixels/sec 		9253
289.1 Mpixels/sec
PDF Rendering 30514
810.7 Mpixels/sec 		8078
214.6 Mpixels/sec
LLVM 46293
3.18 Kfunctions/sec 		15697
1.08 Kfunctions/sec
Camera 29228
81.0 images/sec 		10879
30.2 images/sec
SGEMM 20291
428.9 Gflops 		5680
120.1 Gflops
SFFT 26600
66.3 Gflops 		8537
21.3 Gflops
N-Body Physics 25312
18.9 Mpairs/sec 		8720
6.51 Mpairs/sec
Ray Tracing 24091
3.52 Mpixels/sec 		8071
1.18 Mpixels/sec
Rigid Body Physics 34244
100245.7 FPS 		10326
30229.1 FPS
HDR 29648
107.5 Mpixels/sec 		10843
39.3 Mpixels/sec
Gaussian Blur 26892
471.1 Mpixels/sec 		9712
170.1 Mpixels/sec
Speech Recognition 18390
157.3 Words/sec 		9466
81.0 Words/sec
Face Detection 25651
7.49 Msubwindows/sec 		10248
2.99 Msubwindows/sec
Memory Copy 7993
22.1 GB/sec 		3583
9.93 GB/sec
Memory Latency 7389
58.6 ns 		4760
90.9 ns
Memory Bandwidth 6815
36.4 GB/sec 		3038
16.2 GB/sec

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