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Core i7-11700K vs i9-12900K


Description
The i7-11700K is based on Rocket Lake architecture while the i9-12900K is based on Alder Lake.

Using the multithread performance as a reference, the i7-11700K gets a score of 742.2 k points while the i9-12900K gets 1131.6 k points.

Summarizing, the i9-12900K is 1.5 times faster than the i7-11700K. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0671
90672
Core
Rocket Lake-S
Alder Lake
Architecture
Base frecuency
3.6 GHz
2.4 GHz
Boost frecuency
5 GHz
5.2 GHz
Socket
LGA 1200
LGA 1700
Cores/Threads
8/16
16/24
TDP
125 W
241 W
Cache L1 (d+i)
8x32+8x48 kB
8x32/8x64+8x48/8x32 kB
Cache L2
8x512 kB
8x1280+8x2048 kB
Cache L3
16384 kB
30720 kB
Date
March 2021
November 2021
Mean monothread perf.
99.57k points
109.05k points
Mean multithread perf.
742.15k points
1131.59k 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
i7-11700K
i9-12900K
Test#1 (Integers)
36.24k
47.92k (x1.32)
Test#2 (FP)
28.87k
30.1k (x1.04)
Test#3 (Generic, ZIP)
12.76k
15.65k (x1.23)
Test#1 (Memory)
21.7k
15.38k (x0.71)
TOTAL
99.57k
109.05k (x1.1)

Multithread

i7-11700K

i9-12900K
Test#1 (Integers)
315.15k
502.11k (x1.59)
Test#2 (FP)
303.07k
414.67k (x1.37)
Test#3 (Generic, ZIP)
111.09k
192.52k (x1.73)
Test#1 (Memory)
12.85k
22.3k (x1.74)
TOTAL
742.15k
1131.59k (x1.52)

Performance/W
i7-11700K
i9-12900K
Test#1 (Integers)
2521 points/W
2083 points/W
Test#2 (FP)
2425 points/W
1721 points/W
Test#3 (Generic, ZIP)
889 points/W
799 points/W
Test#1 (Memory)
103 points/W
93 points/W
TOTAL
5937 points/W
4695 points/W

Performance/GHz
i7-11700K
i9-12900K
Test#1 (Integers)
7247 points/GHz
9216 points/GHz
Test#2 (FP)
5775 points/GHz
5789 points/GHz
Test#3 (Generic, ZIP)
2551 points/GHz
3009 points/GHz
Test#1 (Memory)
4341 points/GHz
2957 points/GHz
TOTAL
19914 points/GHz
20971 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