iMac (27-inch Late 2013) vs iMac (27-inch Retina Late 2015)

Geekbench Scores

iMac (27-inch Late 2013) iMac (27-inch Retina Late 2015)
Single-Core Score 4442 6088
Multi-Core Score 15023 21497
Geekbench 4.4.2 Tryout Geekbench 4.1.1

System Information

iMac (27-inch Late 2013) iMac (27-inch Retina Late 2015)
Operating System macOS 10.12.6 (Build 16G29) macOS 10.12.6 (Build 16G29)
Model iMac (27-inch Late 2013) iMac (27-inch Retina Late 2015)
Processor Intel Core i7-4771 @ 3.50 GHz
1 Processor, 4 Cores, 8 Threads 		Intel Core i7-6700K @ 4.01 GHz
1 Processor, 4 Cores, 8 Threads
Processor ID GenuineIntel Family 6 Model 60 Stepping 3 GenuineIntel Family 6 Model 94 Stepping 3
L1 Instruction Cache 32 KB x 4 32 KB x 4
L1 Data Cache 32 KB x 4 32 KB x 4
L2 Cache 256 KB x 4 256 KB x 4
L3 Cache 8192 KB 8192 KB
Motherboard Apple Inc. Mac-27ADBB7B4CEE8E61 iMac14,2 Apple Inc. Mac-65CE76090165799A iMac17,1
BIOS Apple Inc. 139.0.0.0.0 Apple Inc. IM171.88Z.0110.B00.1708080012
Memory 32.00 GB 1600 MHz DDR3 64.00 GB 2666 MHz DDR4

Single-Core Performance

iMac (27-inch Late 2013) iMac (27-inch Retina Late 2015)
Single-Core Score 4442 6088
AES 3776
2.84 GB/sec 		5173
3.90 GB/sec
LZMA 4499
7.03 MB/sec 		5286
8.26 MB/sec
JPEG 4786
38.5 Mpixels/sec 		5982
48.1 Mpixels/sec
Canny 4321
59.9 Mpixels/sec 		5536
76.8 Mpixels/sec
Lua 4463
4.59 MB/sec 		5892
6.06 MB/sec
Dijkstra 4598
3.11 MTE/sec 		6335
4.29 MTE/sec
SQLite 4155
115.2 Krows/sec 		5240
145.3 Krows/sec
HTML5 Parse 4052
18.4 MB/sec 		5094
23.1 MB/sec
HTML5 DOM 4870
4.41 MElements/sec 		6731
6.10 MElements/sec
Histogram Equalization 4022
125.7 Mpixels/sec 		5525
172.6 Mpixels/sec
PDF Rendering 4483
119.1 Mpixels/sec 		5942
157.9 Mpixels/sec
LLVM 7964
547.6 functions/sec 		9824
675.5 functions/sec
Camera 4835
13.4 images/sec 		6278
17.4 images/sec
SGEMM 3810
80.5 Gflops 		6170
130.4 Gflops
SFFT 4177
10.4 Gflops 		6467
16.1 Gflops
N-Body Physics 3955
2.95 Mpairs/sec 		5632
4.21 Mpairs/sec
Ray Tracing 3490
509.7 Kpixels/sec 		5250
766.7 Kpixels/sec
Rigid Body Physics 4753
13913.8 FPS 		6548
19169.6 FPS
HDR 4442
16.1 Mpixels/sec 		7116
25.8 Mpixels/sec
Gaussian Blur 4472
78.3 Mpixels/sec 		6424
112.6 Mpixels/sec
Speech Recognition 4925
42.1 Words/sec 		6612
56.6 Words/sec
Face Detection 4268
1.25 Msubwindows/sec 		5613
1.64 Msubwindows/sec
Memory Copy 4297
11.9 GB/sec 		6409
17.8 GB/sec
Memory Latency 5242
82.6 ns 		6666
64.9 ns
Memory Bandwidth 3784
20.2 GB/sec 		5812
31.0 GB/sec

Multi-Core Performance

iMac (27-inch Late 2013) iMac (27-inch Retina Late 2015)
Multi-Core Score 15023 21497
AES 11919
8.98 GB/sec 		19691
14.8 GB/sec
LZMA 18506
28.9 MB/sec 		24661
38.5 MB/sec
JPEG 22449
180.6 Mpixels/sec 		28559
229.8 Mpixels/sec
Canny 17228
238.9 Mpixels/sec 		24254
336.3 Mpixels/sec
Lua 16260
16.7 MB/sec 		23303
23.9 MB/sec
Dijkstra 17325
11.7 MTE/sec 		24025
16.3 MTE/sec
SQLite 12892
357.4 Krows/sec 		19028
527.5 Krows/sec
HTML5 Parse 15398
69.9 MB/sec 		21432
97.3 MB/sec
HTML5 DOM 20218
18.3 MElements/sec 		26978
24.4 MElements/sec
Histogram Equalization 17348
542.1 Mpixels/sec 		22670
708.3 Mpixels/sec
PDF Rendering 15802
419.8 Mpixels/sec 		25019
664.7 Mpixels/sec
LLVM 33484
2.30 Kfunctions/sec 		46771
3.22 Kfunctions/sec
Camera 21511
59.6 images/sec 		29317
81.3 images/sec
SGEMM 13282
280.8 Gflops 		19415
410.4 Gflops
SFFT 18864
47.0 Gflops 		27205
67.8 Gflops
N-Body Physics 16774
12.5 Mpairs/sec 		25759
19.2 Mpairs/sec
Ray Tracing 16152
2.36 Mpixels/sec 		24624
3.60 Mpixels/sec
Rigid Body Physics 23177
67847.7 FPS 		34172
100034.8 FPS
HDR 18476
67.0 Mpixels/sec 		29927
108.5 Mpixels/sec
Gaussian Blur 18122
317.5 Mpixels/sec 		25972
455.0 Mpixels/sec
Speech Recognition 13425
114.9 Words/sec 		17790
152.2 Words/sec
Face Detection 19386
5.66 Msubwindows/sec 		26751
7.81 Msubwindows/sec
Memory Copy 5173
14.3 GB/sec 		7693
21.3 GB/sec
Memory Latency 5254
82.4 ns 		6619
65.4 ns
Memory Bandwidth 3623
19.4 GB/sec 		6377
34.1 GB/sec

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