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Core i7-7660U vs Ryzen 5 4500U


Description
The i7-7660U is based on Kaby Lake architecture while the 4500U is based on Zen 2.

Using the multithread performance as a reference, the i7-7660U gets a score of 132.8 k points while the 4500U gets 194.3 k points.

Summarizing, the 4500U is 1.5 times faster than the i7-7660U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806e9
860f01
Core
Kaby Lake-U
Renoir
Architecture
Base frecuency
2.5 GHz
2.3 GHz
Boost frecuency
4 GHz
4 GHz
Socket
BGA 1356
BGA 1140
Cores/Threads
2/4
6/6
TDP
15 W
15 W
Cache L1 (d+i)
2x32+2x32 kB
6x32+6x32 kB
Cache L2
2x256 kB
6x512 kB
Cache L3
4096 kB
2x4096 kB
Date
January 2017
January 2020
Mean monothread perf.
57.46k points
52.44k points
Mean multithread perf.
132.81k points
194.34k 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
i7-7660U
4500U
Test#1 (Integers)
22.46k
15.37k (x0.68)
Test#2 (FP)
19.29k
23.02k (x1.19)
Test#3 (Generic, ZIP)
4.77k
7.74k (x1.62)
Test#1 (Memory)
10.94k
6.32k (x0.58)
TOTAL
57.46k
52.44k (x0.91)

Multithread

i7-7660U

4500U
Test#1 (Integers)
56.67k
52.52k (x0.93)
Test#2 (FP)
46.95k
99.84k (x2.13)
Test#3 (Generic, ZIP)
12.36k
36.42k (x2.95)
Test#1 (Memory)
16.84k
5.56k (x0.33)
TOTAL
132.81k
194.34k (x1.46)

Performance/W
i7-7660U
4500U
Test#1 (Integers)
3778 points/W
3502 points/W
Test#2 (FP)
3130 points/W
6656 points/W
Test#3 (Generic, ZIP)
824 points/W
2428 points/W
Test#1 (Memory)
1122 points/W
370 points/W
TOTAL
8854 points/W
12956 points/W

Performance/GHz
i7-7660U
4500U
Test#1 (Integers)
5614 points/GHz
3842 points/GHz
Test#2 (FP)
4823 points/GHz
5755 points/GHz
Test#3 (Generic, ZIP)
1193 points/GHz
1935 points/GHz
Test#1 (Memory)
2735 points/GHz
1579 points/GHz
TOTAL
14365 points/GHz
13111 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