| | | | | | |

Core i3-8130U vs i7-7660U


Description
Both models i3-8130U and i7-7660U are based on Kaby Lake architecture.

The first Kaby Lake CPU was released in August 2016. It uses a 14 nm process and was the first architecture in breaking the previous tick-tock model. Actually, it is not that different from the preceding Skylake: it has 64kB of L1 cache and 256kB L2 cache per core.

Using the multithread performance as a reference, the i3-8130U gets a score of 88.3 k points while the i7-7660U gets 132.8 k points.

Summarizing, the i7-7660U is 1.5 times faster than the i3-8130U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806ea
806e9
Core
Kaby Lake-R
Kaby Lake-U
Architecture
Base frecuency
2.2 GHz
2.5 GHz
Boost frecuency
3.4 GHz
4 GHz
Socket
BGA 1356
BGA 1356
Cores/Threads
2/4
2/4
TDP
15 W
15 W
Cache L1 (d+i)
2x32+2x32 kB
2x32+2x32 kB
Cache L2
2x256 kB
2x256 kB
Cache L3
4096 kB
4096 kB
Date
February 2018
January 2017
Mean monothread perf.
47.35k points
57.46k points
Mean multithread perf.
88.35k points
132.81k points

AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
i3-8130U
i7-7660U
Test#1 (Integers)
21.09k
22.46k (x1.06)
Test#2 (FP)
19.41k
19.29k (x0.99)
Test#3 (Generic, ZIP)
4.05k
4.77k (x1.18)
Test#1 (Memory)
2.8k
10.94k (x3.91)
TOTAL
47.35k
57.46k (x1.21)

Multithread

i3-8130U

i7-7660U
Test#1 (Integers)
38.23k
56.67k (x1.48)
Test#2 (FP)
38.89k
46.95k (x1.21)
Test#3 (Generic, ZIP)
8.75k
12.36k (x1.41)
Test#1 (Memory)
2.47k
16.84k (x6.82)
TOTAL
88.35k
132.81k (x1.5)

Performance/W
i3-8130U
i7-7660U
Test#1 (Integers)
2549 points/W
3778 points/W
Test#2 (FP)
2593 points/W
3130 points/W
Test#3 (Generic, ZIP)
584 points/W
824 points/W
Test#1 (Memory)
165 points/W
1122 points/W
TOTAL
5890 points/W
8854 points/W

Performance/GHz
i3-8130U
i7-7660U
Test#1 (Integers)
6204 points/GHz
5614 points/GHz
Test#2 (FP)
5708 points/GHz
4823 points/GHz
Test#3 (Generic, ZIP)
1190 points/GHz
1193 points/GHz
Test#1 (Memory)
823 points/GHz
2735 points/GHz
TOTAL
13925 points/GHz
14365 points/GHz

Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.11.4