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Core i7-6560U vs i3-8100


Description
The i7-6560U is based on Skylake architecture while the i3-8100 is based on Coffee Lake.

Using the multithread performance as a reference, the i7-6560U gets a score of 107 k points while the i3-8100 gets 200.4 k points.

Summarizing, the i3-8100 is 1.9 times faster than the i7-6560U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
406e3
906eb
Core
Skylake-U
Coffee Lake-S
Architecture
Base frecuency
2.2 GHz
3.6 GHz
Boost frecuency
3.2 GHz
3.6 GHz
Socket
BGA1356
LGA 1151
Cores/Threads
2/4
4/4
TDP
15 W
65 W
Cache L1 (d+i)
2x32+2x32 kB
4x32+4x32 kB
Cache L2
2x256 kB
4x256 kB
Cache L3
4096 kB
6144 kB
Date
September 2015
October 2017
Mean monothread perf.
52.96k points
59.18k points
Mean multithread perf.
107.01k points
200.4k points

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
i7-6560U
i3-8100
Test#1 (Integers)
3.29k
3.72k (x1.13)
Test#2 (FP)
13.52k
15.33k (x1.13)
Test#3 (Generic, ZIP)
4.24k
4.71k (x1.11)
Test#1 (Memory)
7.08k
6.76k (x0.95)
TOTAL
28.14k
30.52k (x1.08)

Multithread

i7-6560U

i3-8100
Test#1 (Integers)
6.49k
14.48k (x2.23)
Test#2 (FP)
31.11k
59.59k (x1.92)
Test#3 (Generic, ZIP)
10.25k
18.07k (x1.76)
Test#1 (Memory)
6.16k
4.3k (x0.7)
TOTAL
54.01k
96.43k (x1.79)

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
i7-6560U
i3-8100
Test#1 (Integers)
22.21k
24.47k (x1.1)
Test#2 (FP)
19.25k
21.52k (x1.12)
Test#3 (Generic, ZIP)
4.41k
4.95k (x1.12)
Test#1 (Memory)
7.09k
8.24k (x1.16)
TOTAL
52.96k
59.18k (x1.12)

Multithread

i7-6560U

i3-8100
Test#1 (Integers)
44.94k
92.86k (x2.07)
Test#2 (FP)
44.98k
83.05k (x1.85)
Test#3 (Generic, ZIP)
10.83k
18.55k (x1.71)
Test#1 (Memory)
6.26k
5.93k (x0.95)
TOTAL
107.01k
200.4k (x1.87)

Performance/W
i7-6560U
i3-8100
Test#1 (Integers)
2996 points/W
1429 points/W
Test#2 (FP)
2998 points/W
1278 points/W
Test#3 (Generic, ZIP)
722 points/W
285 points/W
Test#1 (Memory)
418 points/W
91 points/W
TOTAL
7134 points/W
3083 points/W

Performance/GHz
i7-6560U
i3-8100
Test#1 (Integers)
6941 points/GHz
6797 points/GHz
Test#2 (FP)
6017 points/GHz
5977 points/GHz
Test#3 (Generic, ZIP)
1377 points/GHz
1374 points/GHz
Test#1 (Memory)
2214 points/GHz
2290 points/GHz
TOTAL
16550 points/GHz
16438 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