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Core i7-7660U vs i5-12400F


Description
The i7-7660U is based on Kaby Lake architecture while the i5-12400F is based on Alder Lake.

Using the multithread performance as a reference, the i7-7660U gets a score of 132.8 k points while the i5-12400F gets 512.2 k points.

Summarizing, the i5-12400F is 3.9 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
90672
Core
Kaby Lake-U
Alder Lake-S
Architecture
Base frecuency
2.5 GHz
2.5 GHz
Boost frecuency
4 GHz
4.4 GHz
Socket
BGA 1356
LGA 1700
Cores/Threads
2/4
6/12
TDP
15 W
65 W
Cache L1 (d+i)
2x32+2x32 kB
6x32+6x48 kB
Cache L2
2x256 kB
6x1280 kB
Cache L3
4096 kB
18432 kB
Date
January 2017
January 2022
Mean monothread perf.
57.46k points
88.01k points
Mean multithread perf.
132.81k points
512.23k 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
i5-12400F
Test#1 (Integers)
22.46k
37.79k (x1.68)
Test#2 (FP)
19.29k
24.07k (x1.25)
Test#3 (Generic, ZIP)
4.77k
12.44k (x2.61)
Test#1 (Memory)
10.94k
13.71k (x1.25)
TOTAL
57.46k
88.01k (x1.53)

Multithread

i7-7660U

i5-12400F
Test#1 (Integers)
56.67k
212.6k (x3.75)
Test#2 (FP)
46.95k
197.81k (x4.21)
Test#3 (Generic, ZIP)
12.36k
84.35k (x6.82)
Test#1 (Memory)
16.84k
17.48k (x1.04)
TOTAL
132.81k
512.23k (x3.86)

Performance/W
i7-7660U
i5-12400F
Test#1 (Integers)
3778 points/W
3271 points/W
Test#2 (FP)
3130 points/W
3043 points/W
Test#3 (Generic, ZIP)
824 points/W
1298 points/W
Test#1 (Memory)
1122 points/W
269 points/W
TOTAL
8854 points/W
7881 points/W

Performance/GHz
i7-7660U
i5-12400F
Test#1 (Integers)
5614 points/GHz
8588 points/GHz
Test#2 (FP)
4823 points/GHz
5471 points/GHz
Test#3 (Generic, ZIP)
1193 points/GHz
2827 points/GHz
Test#1 (Memory)
2735 points/GHz
3116 points/GHz
TOTAL
14365 points/GHz
20003 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