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Core i7-7020U vs i3-6100


Description
The i7-7020U is based on Kaby Lake architecture while the i3-6100 is based on Skylake.

Using the multithread performance as a reference, the i7-7020U gets a score of 73.1 k points while the i3-6100 gets 112.3 k points.

Summarizing, the i3-6100 is 1.5 times faster than the i7-7020U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806ea
506e3
Core
Kaby Lake-U
Skylake-S
Architecture
Base frecuency
2.3 GHz
3.7 GHz
Socket
BGA 1356
LGA 1151
Cores/Threads
2/4
2/2
TDP
15 W
51 W
Cache L1 (d+i)
2x32+2x32 kB
32+32 kB
Cache L2
2x256 kB
256 kB
Cache L3
3072 kB
4096 kB
Date
April 2018
September 2015
Mean monothread perf.
33.63k points
52.84k points
Mean multithread perf.
73.15k points
112.28k 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
i7-7020U
i3-6100
Test#1 (Integers)
2.3k
3.81k (x1.66)
Test#2 (FP)
8.36k
15.65k (x1.87)
Test#3 (Generic, ZIP)
2.75k
5.14k (x1.87)
Test#1 (Memory)
4.64k
4.28k (x0.92)
TOTAL
18.04k
28.89k (x1.6)

Multithread

i7-7020U

i3-6100
Test#1 (Integers)
4.74k
7.75k (x1.63)
Test#2 (FP)
17.96k
37.33k (x2.08)
Test#3 (Generic, ZIP)
6.95k
12.13k (x1.74)
Test#1 (Memory)
4.95k
3.56k (x0.72)
TOTAL
34.61k
60.77k (x1.76)

SSE3 optimized benchmark
The benchmark in mode I (SSE) is optimized for the use of SIMD instructions with 128 bits register and the SSE set up to version 3. Nearly every modern CPU has support for this mode.
Monothread
i7-7020U
i3-6100
Test#1 (Integers)
8.18k
13.76k (x1.68)
Test#2 (FP)
11.67k
19.96k (x1.71)
Test#3 (Generic, ZIP)
2.97k
5.44k (x1.83)
Test#1 (Memory)
4.68k
4.4k (x0.94)
TOTAL
27.5k
43.55k (x1.58)

Multithread

i7-7020U

i3-6100
Test#1 (Integers)
17.51k
28.99k (x1.66)
Test#2 (FP)
27.61k
45.75k (x1.66)
Test#3 (Generic, ZIP)
7.39k
12.72k (x1.72)
Test#1 (Memory)
4.78k
3.68k (x0.77)
TOTAL
57.3k
91.14k (x1.59)

AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i7-7020U
i3-6100
Test#1 (Integers)
8.17k
13.78k (x1.69)
Test#2 (FP)
12.42k
21.21k (x1.71)
Test#3 (Generic, ZIP)
2.87k
5.2k (x1.81)
Test#1 (Memory)
4.68k
3.73k (x0.8)
TOTAL
28.13k
43.92k (x1.56)

Multithread

i7-7020U

i3-6100
Test#1 (Integers)
17.65k
29.02k (x1.64)
Test#2 (FP)
30.44k
49.55k (x1.63)
Test#3 (Generic, ZIP)
7.19k
12.3k (x1.71)
Test#1 (Memory)
4.79k
3.28k (x0.68)
TOTAL
60.07k
94.15k (x1.57)

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
i7-7020U
i3-6100
Test#1 (Integers)
14.25k
22.89k (x1.61)
Test#2 (FP)
12.72k
21.04k (x1.65)
Test#3 (Generic, ZIP)
2.81k
4.9k (x1.75)
Test#1 (Memory)
3.86k
4.01k (x1.04)
TOTAL
33.63k
52.84k (x1.57)

Multithread

i7-7020U

i3-6100
Test#1 (Integers)
31.11k
50.05k (x1.61)
Test#2 (FP)
31.15k
47.13k (x1.51)
Test#3 (Generic, ZIP)
6.9k
11.38k (x1.65)
Test#1 (Memory)
3.99k
3.72k (x0.93)
TOTAL
73.15k
112.28k (x1.53)

Performance/W
i7-7020U
i3-6100
Test#1 (Integers)
2074 points/W
981 points/W
Test#2 (FP)
2076 points/W
924 points/W
Test#3 (Generic, ZIP)
460 points/W
223 points/W
Test#1 (Memory)
266 points/W
73 points/W
TOTAL
4877 points/W
2202 points/W

Performance/GHz
i7-7020U
i3-6100
Test#1 (Integers)
6196 points/GHz
6187 points/GHz
Test#2 (FP)
5528 points/GHz
5686 points/GHz
Test#3 (Generic, ZIP)
1221 points/GHz
1325 points/GHz
Test#1 (Memory)
1679 points/GHz
1084 points/GHz
TOTAL
14624 points/GHz
14282 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