iMac (27-inch Retina Late 2015) vs Hewlett-Packard HP Z820 Workstation
Geekbench Scores
| iMac (27-inch Retina Late 2015) | Hewlett-Packard HP Z820 Workstation | |||
|---|---|---|---|---|
| Single-Core Score | 5098 | 3086 | ||
| Multi-Core Score | 17429 | 33484 | ||
| Geekbench 4.1.0 Tryout | Geekbench 4.4.1 Tryout | |||
System Information
| iMac (27-inch Retina Late 2015) | Hewlett-Packard HP Z820 Workstation | |
|---|---|---|
| Operating System | macOS 10.12.5 (Build 16F73) | Microsoft Windows 10 Pro (64-bit) |
| Model | iMac (27-inch Retina Late 2015) | Hewlett-Packard HP Z820 Workstation |
| Processor |
Intel Core i7-6700K @ 4.00 GHz
1 Processor, 4 Cores, 8 Threads |
Intel Xeon E5-2670 v2 @ 2.49 GHz
2 Processors, 20 Cores, 40 Threads |
| Processor ID | GenuineIntel Family 6 Model 94 Stepping 3 | GenuineIntel Family 6 Model 62 Stepping 4 |
| Processor Codename | Ivy Bridge-EP/EX | |
| Processor Package | Socket 2011 LGA | |
| L1 Instruction Cache | 32 KB x 4 | 32 KB x 10 |
| L1 Data Cache | 32 KB x 4 | 32 KB x 10 |
| L2 Cache | 256 KB x 4 | 256 KB x 10 |
| L3 Cache | 8192 KB | 25600 KB |
| Motherboard | Apple Inc. Mac-B809C3757DA9BB8D iMac17,1 | Hewlett-Packard 158B |
| Northbridge | Intel Ivy Bridge-E 04 | |
| Southbridge | Intel C602 05 | |
| BIOS | Apple Inc. IM171.88Z.0105.B20.1702221516 | Hewlett-Packard J63 v03.95 |
| Memory | 24.00 GB 1867 MHz DDR3 | 63.93 GB DDR3 SDRAM 799MHz |
Single-Core Performance
| iMac (27-inch Retina Late 2015) | Hewlett-Packard HP Z820 Workstation | |||
|---|---|---|---|---|
| Single-Core Score | 5098 | 3086 | ||
| AES |
3349
2.52 GB/sec |
2898
2.18 GB/sec |
||
| LZMA |
4661
7.28 MB/sec |
3623
5.66 MB/sec |
||
| JPEG |
5235
42.1 Mpixels/sec |
3357
27.0 Mpixels/sec |
||
| Canny |
4755
65.9 Mpixels/sec |
3129
43.4 Mpixels/sec |
||
| Lua |
5100
5.24 MB/sec |
2563
2.63 MB/sec |
||
| Dijkstra |
5262
3.56 MTE/sec |
4463
3.02 MTE/sec |
||
| SQLite |
4547
126.1 Krows/sec |
3003
83.3 Krows/sec |
||
| HTML5 Parse |
4353
19.8 MB/sec |
2979
13.5 MB/sec |
||
| HTML5 DOM |
5986
5.42 MElements/sec |
3637
3.30 MElements/sec |
||
| Histogram Equalization |
4481
140.0 Mpixels/sec |
3188
99.6 Mpixels/sec |
||
| PDF Rendering |
5203
138.2 Mpixels/sec |
3362
89.3 Mpixels/sec |
||
| LLVM |
8577
589.7 functions/sec |
4763
327.5 functions/sec |
||
| Camera |
5467
15.2 images/sec |
3493
9.69 images/sec |
||
| SGEMM |
5464
115.5 Gflops |
1919
40.6 Gflops |
||
| SFFT |
5642
14.1 Gflops |
3305
8.24 Gflops |
||
| N-Body Physics |
4946
3.69 Mpairs/sec |
2970
2.22 Mpairs/sec |
||
| Ray Tracing |
4544
663.7 Kpixels/sec |
2833
413.8 Kpixels/sec |
||
| Rigid Body Physics |
5696
16674.4 FPS |
3441
10075.2 FPS |
||
| HDR |
5771
20.9 Mpixels/sec |
3736
13.5 Mpixels/sec |
||
| Gaussian Blur |
5227
91.6 Mpixels/sec |
3222
56.4 Mpixels/sec |
||
| Speech Recognition |
5542
47.4 Words/sec |
3937
33.7 Words/sec |
||
| Face Detection |
4880
1.43 Msubwindows/sec |
3120
911.5 Ksubwindows/sec |
||
| Memory Copy |
4861
13.5 GB/sec |
2009
5.57 GB/sec |
||
| Memory Latency |
5681
76.2 ns |
5574
77.7 ns |
||
| Memory Bandwidth |
4517
24.1 GB/sec |
1172
6.26 GB/sec |
||
Multi-Core Performance
| iMac (27-inch Retina Late 2015) | Hewlett-Packard HP Z820 Workstation | |||
|---|---|---|---|---|
| Multi-Core Score | 17429 | 33484 | ||
| AES |
11937
8.99 GB/sec |
15788
11.9 GB/sec |
||
| LZMA |
20830
32.5 MB/sec |
69481
108.5 MB/sec |
||
| JPEG |
24491
197.1 Mpixels/sec |
70668
568.6 Mpixels/sec |
||
| Canny |
19331
268.1 Mpixels/sec |
31828
441.4 Mpixels/sec |
||
| Lua |
19489
20.0 MB/sec |
52789
54.3 MB/sec |
||
| Dijkstra |
19281
13.0 MTE/sec |
24195
16.4 MTE/sec |
||
| SQLite |
16084
445.9 Krows/sec |
36426
1.01 Mrows/sec |
||
| HTML5 Parse |
18490
83.9 MB/sec |
35691
162.0 MB/sec |
||
| HTML5 DOM |
21473
19.5 MElements/sec |
63684
57.7 MElements/sec |
||
| Histogram Equalization |
19228
600.8 Mpixels/sec |
39826
1.24 Gpixels/sec |
||
| PDF Rendering |
19872
527.9 Mpixels/sec |
22588
600.1 Mpixels/sec |
||
| LLVM |
40148
2.76 Kfunctions/sec |
66371
4.56 Kfunctions/sec |
||
| Camera |
24669
68.4 images/sec |
60566
167.9 images/sec |
||
| SGEMM |
14345
303.2 Gflops |
16398
346.6 Gflops |
||
| SFFT |
23852
59.5 Gflops |
58556
146.0 Gflops |
||
| N-Body Physics |
22080
16.5 Mpairs/sec |
59428
44.4 Mpairs/sec |
||
| Ray Tracing |
20535
3.00 Mpixels/sec |
19999
2.92 Mpixels/sec |
||
| Rigid Body Physics |
29828
87318.8 FPS |
38517
112755.3 FPS |
||
| HDR |
23782
86.2 Mpixels/sec |
46988
170.3 Mpixels/sec |
||
| Gaussian Blur |
20972
367.4 Mpixels/sec |
51994
910.8 Mpixels/sec |
||
| Speech Recognition |
13027
111.5 Words/sec |
32977
282.1 Words/sec |
||
| Face Detection |
23195
6.77 Msubwindows/sec |
58967
17.2 Msubwindows/sec |
||
| Memory Copy |
5388
14.9 GB/sec |
6092
16.9 GB/sec |
||
| Memory Latency |
5775
75.0 ns |
4892
88.5 ns |
||
| Memory Bandwidth |
4224
22.6 GB/sec |
3999
21.4 GB/sec |
||
