iMac (27-inch Retina Mid 2017) vs iMac (27-inch Late 2012)

Geekbench Scores

iMac (27-inch Retina Mid 2017) iMac (27-inch Late 2012)
Single-Core Score 5584 3418
Multi-Core Score 18359 10521
Geekbench 4.1.1 Geekbench 4.3.0 Tryout

System Information

iMac (27-inch Retina Mid 2017) iMac (27-inch Late 2012)
Operating System macOS 10.12.6 (Build 16G29) macOS 10.13.6 (Build 17G65)
Model iMac (27-inch Retina Mid 2017) iMac (27-inch Late 2012)
Processor Intel Core i7-7700K @ 4.20 GHz
1 Processor, 4 Cores, 8 Threads 		Intel Core i5-3470 @ 3.19 GHz
1 Processor, 4 Cores
Processor ID GenuineIntel Family 6 Model 158 Stepping 9 GenuineIntel Family 6 Model 58 Stepping 9
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 6144 KB
Motherboard Apple Inc. Mac-BE088AF8C5EB4FA2 iMac18,3 Apple Inc. Mac-FC02E91DDD3FA6A4 iMac13,2
BIOS Apple Inc. IM183.88Z.0145.B09.1706181606 Apple Inc. IM131.88Z.0115.B00.1804091830
Memory 8.00 GB 2400 MHz DDR4 16.00 GB 1600 MHz DDR3

Single-Core Performance

iMac (27-inch Retina Mid 2017) iMac (27-inch Late 2012)
Single-Core Score 5584 3418
AES 4942
3.72 GB/sec 		2749
2.07 GB/sec
LZMA 5080
7.94 MB/sec 		3521
5.50 MB/sec
JPEG 5649
45.5 Mpixels/sec 		3619
29.1 Mpixels/sec
Canny 5209
72.2 Mpixels/sec 		3284
45.5 Mpixels/sec
Lua 5686
5.84 MB/sec 		2367
2.43 MB/sec
Dijkstra 5993
4.06 MTE/sec 		3890
2.63 MTE/sec
SQLite 4996
138.5 Krows/sec 		2623
72.7 Krows/sec
HTML5 Parse 4899
22.2 MB/sec 		2657
12.1 MB/sec
HTML5 DOM 6586
5.97 MElements/sec 		4272
3.87 MElements/sec
Histogram Equalization 5033
157.3 Mpixels/sec 		2975
93.0 Mpixels/sec
PDF Rendering 5298
140.8 Mpixels/sec 		3405
90.5 Mpixels/sec
LLVM 9525
654.9 functions/sec 		5486
377.2 functions/sec
Camera 5853
16.2 images/sec 		3666
10.2 images/sec
SGEMM 5909
124.9 Gflops 		1887
39.9 Gflops
SFFT 6318
15.8 Gflops 		3622
9.03 Gflops
N-Body Physics 5428
4.05 Mpairs/sec 		3018
2.25 Mpairs/sec
Ray Tracing 5067
739.9 Kpixels/sec 		2855
417.0 Kpixels/sec
Rigid Body Physics 6257
18319.3 FPS 		4045
11842.3 FPS
HDR 6687
24.2 Mpixels/sec 		3395
12.3 Mpixels/sec
Gaussian Blur 5947
104.2 Mpixels/sec 		3400
59.6 Mpixels/sec
Speech Recognition 6345
54.3 Words/sec 		3901
33.4 Words/sec
Face Detection 5595
1.63 Msubwindows/sec 		3232
944.3 Ksubwindows/sec
Memory Copy 4535
12.6 GB/sec 		3876
10.7 GB/sec
Memory Latency 6734
64.3 ns 		5531
78.3 ns
Memory Bandwidth 3916
20.9 GB/sec 		2938
15.7 GB/sec

Multi-Core Performance

iMac (27-inch Retina Mid 2017) iMac (27-inch Late 2012)
Multi-Core Score 18359 10521
AES 11877
8.94 GB/sec 		10218
7.70 GB/sec
LZMA 22361
34.9 MB/sec 		12342
19.3 MB/sec
JPEG 27240
219.2 Mpixels/sec 		14248
114.6 Mpixels/sec
Canny 20021
277.6 Mpixels/sec 		11904
165.1 Mpixels/sec
Lua 21985
22.6 MB/sec 		8901
9.15 MB/sec
Dijkstra 17656
11.9 MTE/sec 		12012
8.13 MTE/sec
SQLite 17488
484.8 Krows/sec 		9986
276.9 Krows/sec
HTML5 Parse 20368
92.5 MB/sec 		10071
45.7 MB/sec
HTML5 DOM 21458
19.4 MElements/sec 		15400
14.0 MElements/sec
Histogram Equalization 21031
657.1 Mpixels/sec 		11448
357.7 Mpixels/sec
PDF Rendering 19000
504.8 Mpixels/sec 		11243
298.7 Mpixels/sec
LLVM 43675
3.00 Kfunctions/sec 		20306
1.40 Kfunctions/sec
Camera 26294
72.9 images/sec 		14434
40.0 images/sec
SGEMM 13135
277.7 Gflops 		6960
147.1 Gflops
SFFT 25993
64.8 Gflops 		14372
35.8 Gflops
N-Body Physics 24509
18.3 Mpairs/sec 		12034
8.99 Mpairs/sec
Ray Tracing 23749
3.47 Mpixels/sec 		10675
1.56 Mpixels/sec
Rigid Body Physics 32842
96142.2 FPS 		15868
46453.9 FPS
HDR 25660
93.0 Mpixels/sec 		12447
45.1 Mpixels/sec
Gaussian Blur 23874
418.2 Mpixels/sec 		13215
231.5 Mpixels/sec
Speech Recognition 12889
110.3 Words/sec 		9869
84.4 Words/sec
Face Detection 25247
7.37 Msubwindows/sec 		12859
3.76 Msubwindows/sec
Memory Copy 4692
13.0 GB/sec 		4787
13.3 GB/sec
Memory Latency 6470
66.9 ns 		5602
77.3 ns
Memory Bandwidth 4084
21.8 GB/sec 		3533
18.9 GB/sec

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