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Core i3-6100 vs i7-7820HQ


Description
The i3-6100 is based on Skylake architecture while the i7-7820HQ is based on Kaby Lake.

Using the multithread performance as a reference, the i3-6100 gets a score of 112.3 k points while the i7-7820HQ gets 196.6 k points.

Summarizing, the i7-7820HQ is 1.8 times faster than the i3-6100 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
506e3
906e9
Core
Skylake-S
Kaby Lake-H
Architecture
Base frecuency
3.7 GHz
2.9 GHz
Boost frecuency
3.7 GHz
3.9 GHz
Socket
LGA 1151
BGA 1440
Cores/Threads
2/2
4/8
TDP
51 W
45 W
Cache L1 (d+i)
32+32 kB
4x32+x4x32 kB
Cache L2
256 kB
4x256 kB
Cache L3
4096 kB
8192 kB
Date
September 2015
January 2017
Mean monothread perf.
52.84k points
55.85k points
Mean multithread perf.
112.28k points
196.55k 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
i3-6100
i7-7820HQ
Test#1 (Integers)
22.89k
23.23k (x1.01)
Test#2 (FP)
21.04k
20.13k (x0.96)
Test#3 (Generic, ZIP)
4.9k
4.57k (x0.93)
Test#1 (Memory)
4.01k
7.92k (x1.97)
TOTAL
52.84k
55.85k (x1.06)

Multithread

i3-6100

i7-7820HQ
Test#1 (Integers)
50.05k
85.54k (x1.71)
Test#2 (FP)
47.13k
87.07k (x1.85)
Test#3 (Generic, ZIP)
11.38k
20.37k (x1.79)
Test#1 (Memory)
3.72k
3.57k (x0.96)
TOTAL
112.28k
196.55k (x1.75)

Performance/W
i3-6100
i7-7820HQ
Test#1 (Integers)
981 points/W
1901 points/W
Test#2 (FP)
924 points/W
1935 points/W
Test#3 (Generic, ZIP)
223 points/W
453 points/W
Test#1 (Memory)
73 points/W
79 points/W
TOTAL
2202 points/W
4368 points/W

Performance/GHz
i3-6100
i7-7820HQ
Test#1 (Integers)
6187 points/GHz
5956 points/GHz
Test#2 (FP)
5686 points/GHz
5163 points/GHz
Test#3 (Generic, ZIP)
1325 points/GHz
1172 points/GHz
Test#1 (Memory)
1084 points/GHz
2030 points/GHz
TOTAL
14282 points/GHz
14321 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