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Core i5-12400 vs i7-12700K


Description
Both models i5-12400 and i7-12700K are based on Alder Lake architecture.

Alder Lake is the 12th generation of Intel Core. It uses the 10nm proccess and was the first to introduce a hybrid architecture with Performance cores and Efficiency cores.

Using the multithread performance as a reference, the i5-12400 gets a score of 544.6 k points while the i7-12700K gets 1034.1 k points.

Summarizing, the i7-12700K is 1.9 times faster than the i5-12400. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
90672
90672
Core
Arder Lake-S
Alder Lake
Architecture
Base frecuency
2.5 GHz
2.7 GHz
Boost frecuency
4.4 GHz
5 GHz
Socket
LGA 1700
LGA 1700
Cores/Threads
6/12
12/20
TDP
65 W
190 W
Cache L1 (d+i)
6x32+6x48 kB
8x32/4x64+8x48/4x32 kB
Cache L2
6x1280 kB
8x1280+4x2048 kB
Cache L3
18432 kB
25600 kB
Date
January 2022
November 2021
Mean monothread perf.
102.51k points
110.2k points
Mean multithread perf.
544.64k points
1034.06k 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
i5-12400
i7-12700K
Test#1 (Integers)
7.51k
8.44k (x1.12)
Test#2 (FP)
18.66k
21.1k (x1.13)
Test#3 (Generic, ZIP)
13.32k
14.52k (x1.09)
Test#1 (Memory)
14.8k
12.87k (x0.87)
TOTAL
54.29k
56.92k (x1.05)

Multithread

i5-12400

i7-12700K
Test#1 (Integers)
35.52k
70.7k (x1.99)
Test#2 (FP)
138.43k
251.29k (x1.82)
Test#3 (Generic, ZIP)
85.55k
159.92k (x1.87)
Test#1 (Memory)
21.72k
32.47k (x1.49)
TOTAL
281.22k
514.38k (x1.83)

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
i5-12400
i7-12700K
Test#1 (Integers)
48.08k
52.13k (x1.08)
Test#2 (FP)
25.6k
28.97k (x1.13)
Test#3 (Generic, ZIP)
14.02k
15.04k (x1.07)
Test#1 (Memory)
14.81k
14.07k (x0.95)
TOTAL
102.51k
110.2k (x1.08)

Multithread

i5-12400

i7-12700K
Test#1 (Integers)
230.14k
458.8k (x1.99)
Test#2 (FP)
198.07k
377.45k (x1.91)
Test#3 (Generic, ZIP)
94.78k
171.31k (x1.81)
Test#1 (Memory)
21.64k
26.51k (x1.22)
TOTAL
544.64k
1034.06k (x1.9)

Performance/W
i5-12400
i7-12700K
Test#1 (Integers)
3541 points/W
2415 points/W
Test#2 (FP)
3047 points/W
1987 points/W
Test#3 (Generic, ZIP)
1458 points/W
902 points/W
Test#1 (Memory)
333 points/W
140 points/W
TOTAL
8379 points/W
5442 points/W

Performance/GHz
i5-12400
i7-12700K
Test#1 (Integers)
10927 points/GHz
10425 points/GHz
Test#2 (FP)
5819 points/GHz
5794 points/GHz
Test#3 (Generic, ZIP)
3186 points/GHz
3008 points/GHz
Test#1 (Memory)
3365 points/GHz
2813 points/GHz
TOTAL
23298 points/GHz
22040 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