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A9 9425 vs Core i7-8665U


Description
The 9425 is based on Excavator architecture while the i7-8665U is based on Whiskey Lake.

Using the multithread performance as a reference, the 9425 gets a score of 41.7 k points while the i7-8665U gets 109.7 k points.

Summarizing, the i7-8665U is 2.6 times faster than the 9425. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
670f00
806ec
Core
Stoney Ridge
Whiskey Lake-U
Architecture
Base frecuency
3.1 GHz
1.9 GHz
Boost frecuency
3.7 GHz
4.8 GHz
Socket
BGA-FP4
BGA 1528
Cores/Threads
2/2
4/8
TDP
15 W
15 W
Cache L1 (d+i)
96+2x32 kB
4x32+4x32 kB
Cache L2
1024 kB
4x256 kB
Cache L3
0 kB
8192 kB
Date
May 2018
April 2019
Mean monothread perf.
31.31k points
35.19k points
Mean multithread perf.
41.73k points
109.72k 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
9425
i7-8665U
Test#1 (Integers)
11.23k
14.38k (x1.28)
Test#2 (FP)
14.7k
13.43k (x0.91)
Test#3 (Generic, ZIP)
3.15k
2.87k (x0.91)
Test#1 (Memory)
2.24k
4.49k (x2.01)
TOTAL
31.31k
35.19k (x1.12)

Multithread

9425

i7-8665U
Test#1 (Integers)
16.58k
47.22k (x2.85)
Test#2 (FP)
17.84k
46.99k (x2.63)
Test#3 (Generic, ZIP)
5.09k
10.08k (x1.98)
Test#1 (Memory)
2.23k
5.42k (x2.43)
TOTAL
41.73k
109.72k (x2.63)

Performance/W
9425
i7-8665U
Test#1 (Integers)
1105 points/W
3148 points/W
Test#2 (FP)
1189 points/W
3133 points/W
Test#3 (Generic, ZIP)
339 points/W
672 points/W
Test#1 (Memory)
148 points/W
361 points/W
TOTAL
2782 points/W
7314 points/W

Performance/GHz
9425
i7-8665U
Test#1 (Integers)
3034 points/GHz
2996 points/GHz
Test#2 (FP)
3972 points/GHz
2799 points/GHz
Test#3 (Generic, ZIP)
850 points/GHz
599 points/GHz
Test#1 (Memory)
605 points/GHz
936 points/GHz
TOTAL
8461 points/GHz
7330 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