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Core i7-7020U vs i7-5500U


Description
The i7-7020U is based on Kaby Lake architecture while the i7-5500U is based on Broadwell.

Using the multithread performance as a reference, the i7-7020U gets a score of 73.1 k points while the i7-5500U gets 82.9 k points.

Summarizing, the i7-5500U is 1.1 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
306d4
Core
Kaby Lake-U
Broadwell-U
Architecture
Base frecuency
2.3 GHz
2.4 GHz
Boost frecuency
2.3 GHz
3 GHz
Socket
BGA 1356
BGA 1168
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
256 kB
Cache L3
3072 kB
4096 kB
Date
April 2018
March 2015
Mean monothread perf.
33.63k points
40.41k points
Mean multithread perf.
73.15k points
82.89k 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
i7-5500U
Test#1 (Integers)
2.3k
3.31k (x1.44)
Test#2 (FP)
8.36k
11.61k (x1.39)
Test#3 (Generic, ZIP)
2.75k
3.94k (x1.43)
Test#1 (Memory)
4.64k
3.24k (x0.7)
TOTAL
18.04k
22.1k (x1.23)

Multithread

i7-7020U

i7-5500U
Test#1 (Integers)
4.74k
5.97k (x1.26)
Test#2 (FP)
17.96k
25.54k (x1.42)
Test#3 (Generic, ZIP)
6.95k
8.8k (x1.27)
Test#1 (Memory)
4.95k
3.36k (x0.68)
TOTAL
34.61k
43.67k (x1.26)

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
i7-5500U
Test#1 (Integers)
8.18k
10.59k (x1.29)
Test#2 (FP)
11.67k
13.72k (x1.18)
Test#3 (Generic, ZIP)
2.97k
4.22k (x1.42)
Test#1 (Memory)
4.68k
3.64k (x0.78)
TOTAL
27.5k
32.16k (x1.17)

Multithread

i7-7020U

i7-5500U
Test#1 (Integers)
17.51k
20.8k (x1.19)
Test#2 (FP)
27.61k
30.44k (x1.1)
Test#3 (Generic, ZIP)
7.39k
9.1k (x1.23)
Test#1 (Memory)
4.78k
3.35k (x0.7)
TOTAL
57.3k
63.69k (x1.11)

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
i7-5500U
Test#1 (Integers)
8.17k
10.37k (x1.27)
Test#2 (FP)
12.42k
14.25k (x1.15)
Test#3 (Generic, ZIP)
2.87k
4.07k (x1.42)
Test#1 (Memory)
4.68k
3.12k (x0.67)
TOTAL
28.13k
31.81k (x1.13)

Multithread

i7-7020U

i7-5500U
Test#1 (Integers)
17.65k
20.93k (x1.19)
Test#2 (FP)
30.44k
33.87k (x1.11)
Test#3 (Generic, ZIP)
7.19k
8.98k (x1.25)
Test#1 (Memory)
4.79k
3.35k (x0.7)
TOTAL
60.07k
67.13k (x1.12)

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
i7-5500U
Test#1 (Integers)
14.25k
17.76k (x1.25)
Test#2 (FP)
12.72k
14.9k (x1.17)
Test#3 (Generic, ZIP)
2.81k
4.17k (x1.49)
Test#1 (Memory)
3.86k
3.58k (x0.93)
TOTAL
33.63k
40.41k (x1.2)

Multithread

i7-7020U

i7-5500U
Test#1 (Integers)
31.11k
34.9k (x1.12)
Test#2 (FP)
31.15k
35.07k (x1.13)
Test#3 (Generic, ZIP)
6.9k
9.28k (x1.34)
Test#1 (Memory)
3.99k
3.64k (x0.91)
TOTAL
73.15k
82.89k (x1.13)

Performance/W
i7-7020U
i7-5500U
Test#1 (Integers)
2074 points/W
2327 points/W
Test#2 (FP)
2076 points/W
2338 points/W
Test#3 (Generic, ZIP)
460 points/W
619 points/W
Test#1 (Memory)
266 points/W
243 points/W
TOTAL
4877 points/W
5526 points/W

Performance/GHz
i7-7020U
i7-5500U
Test#1 (Integers)
6196 points/GHz
5920 points/GHz
Test#2 (FP)
5528 points/GHz
4966 points/GHz
Test#3 (Generic, ZIP)
1221 points/GHz
1390 points/GHz
Test#1 (Memory)
1679 points/GHz
1193 points/GHz
TOTAL
14624 points/GHz
13469 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