Intel Core i3-8121U vs Intel Core i7-6660U

What is the difference between Intel Core i3-8121U and Intel Core i7-6660U. Find out which CPU has better performance.

Performance (Benchmarks)

799Geekbench 5 Single-Core Score741
1858Geekbench 5 Multi-Core Score1753
4369PassMark CPU Mark Rating3879
1921PassMark Single Thread Rating1973
3DMark Time Spy Physics Score2065

Processor Specs

Intel Core i3-8121UProcessorIntel Core i7-6660U
2200 MHzFrequency2400 MHz
3200 MHzMaximum Frequency3400 MHz
2Cores2
4Threads4
15 WTDP15 W
GPUIntel Iris Graphics 540
Cannon LakeCodenameSkylake
PackageFCBGA1356

Geekbench 5 Benchmark

788Single-Core Score748
1851Multi-Core Score1873
Geekbench 5.2.3 Tryout for Windows x86 (64-bit)BenchmarkGeekbench 5.4.1 Tryout for macOS x86 (64-bit)

System Information

Microsoft Windows 10 Home (64-bit)Operating SystemmacOS 11.3.1 (Build 20E241)
Intel(R) Client Systems NUC8i3CYSModelMacBook Pro (13-inch Late 2016)
Model IDMacBookPro13,1
Intel Corporation NUC8CYBMotherboardApple Inc. Mac-473D31EABEB93F9B MacBookPro13,1
BalancedPower Plan

CPU Specifications

Intel Core i3-8121UNameIntel Core i7-6660U
1 Processor, 2 Cores, 4 ThreadsTopology1 Processor, 2 Cores, 4 Threads
GenuineIntel Family 6 Model 102 Stepping 3IdentifierGenuineIntel Family 6 Model 78 Stepping 3
2.21 GHzBase Frequency2.40 GHz
3.19 GHzMaximum Frequency
SkylakeCodename
32.0 KB x 2L1 Instruction Cache32.0 KB x 2
32.0 KB x 2L1 Data Cache32.0 KB x 2
256 KB x 2L2 Cache256 KB x 2
4.00 MB x 1L3 Cache4.00 MB x 1

Memory Information

7.94 GBSize8.00 GB
Transfer Rate1867 MT/s
TypeLPDDR3

Geekbench 5 result (single)

788Single-Core Score748
1418Crypto Score841
698Integer Score728
877Floating Point Score 776
1418
2.42 GB/sec
AES-XTS841
1.43 GB/sec
555
2.81 MB/sec
Text Compression (LZMA)727
3.68 MB/sec
674
31.9 Mpixels/sec
Image Compression825
39.0 Mpixels/sec
654
1.84 MTE/sec
Navigation (using Dijkstra's algorithm)765
2.16 MTE/sec
617
725.0 KElements/sec
HTML5470
552.3 KElements/sec
672
210.6 Krows/sec
SQLite744
233.0 Krows/sec
807
43.8 Mpixels/sec
PDF Rendering791
42.9 Mpixels/sec
786
250.3 KB/sec
Text Rendering787
250.8 KB/sec
786
6.12 Klines/sec
Clang722
5.62 Klines/sec
778
9.02 images/sec
Camera800
9.27 images/sec
585
731.3 Kpairs/sec
N-Body Physics660
825.7 Kpairs/sec
842
5219.3 FPS
Rigid Body Physics956
5920.4 FPS
783
43.1 Mpixels/sec
Gaussian Blur237
13.0 Mpixels/sec
801
6.17 images/sec
Face Detection495
3.81 images/sec
770
19.0 Mpixels/sec
Horizon Detection809
19.9 Mpixels/sec
1314
64.5 Mpixels/sec
Image Inpainting1499
73.5 Mpixels/sec
1545
21.1 Mpixels/sec
HDR1492
20.3 Mpixels/sec
1030
827.4 Kpixels/sec
Ray Tracing867
696.5 Kpixels/sec
752
6.73 Kpixels/sec
Structure from Motion787
7.05 Kpixels/sec
681
21.8 Words/sec
Speech Recognition706
22.6 Words/sec
924
35.7 images/sec
Machine Learning948
36.6 images/sec

Geekbench 5 result (multi)

1851Multi-Core Score1873
3973Crypto Score2796
1706Integer Score1734
1810Floating Point Score 2019
3973
6.77 GB/sec
AES-XTS2796
4.77 GB/sec
1538
7.78 MB/sec
Text Compression (LZMA)1948
9.85 MB/sec
2053
97.1 Mpixels/sec
Image Compression1910
90.3 Mpixels/sec
1733
4.89 MTE/sec
Navigation (using Dijkstra's algorithm)2083
5.87 MTE/sec
1386
1.63 MElements/sec
HTML51382
1.62 MElements/sec
1726
540.7 Krows/sec
SQLite1613
505.5 Krows/sec
1905
103.4 Mpixels/sec
PDF Rendering1750
95.0 Mpixels/sec
1737
553.4 KB/sec
Text Rendering1656
527.5 KB/sec
1761
13.7 Klines/sec
Clang1719
13.4 Klines/sec
1608
18.6 images/sec
Camera1649
19.1 images/sec
1476
1.85 Mpairs/sec
N-Body Physics1650
2.06 Mpairs/sec
2142
13268.0 FPS
Rigid Body Physics2616
16205.4 FPS
1391
76.5 Mpixels/sec
Gaussian Blur1577
86.7 Mpixels/sec
1456
11.2 images/sec
Face Detection1923
14.8 images/sec
1727
42.6 Mpixels/sec
Horizon Detection1899
46.8 Mpixels/sec
2630
129.0 Mpixels/sec
Image Inpainting2900
142.3 Mpixels/sec
3254
44.3 Mpixels/sec
HDR3240
44.2 Mpixels/sec
2175
1.75 Mpixels/sec
Ray Tracing2721
2.18 Mpixels/sec
1604
14.4 Kpixels/sec
Structure from Motion1637
14.7 Kpixels/sec
1338
42.8 Words/sec
Speech Recognition1331
42.6 Words/sec
1544
59.7 images/sec
Machine Learning1641
63.4 images/sec