Core i9-10900K vs i5-6400
Description
The i9-10900K is based on Comet Lake architecture while the i5-6400 is based on Skylake.
Using the multithread performance as a reference, the i9-10900K gets a score of 685.6 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i9-10900K is 3.9 times faster than the i5-6400 . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i9-10900K gets a score of 685.6 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i9-10900K is 3.9 times faster than the i5-6400 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
a0655
506e3
Core
Comet Lake-S
Skylake-S
Base frecuency
3.7 GHz
2.7 GHz
Boost frecuency
5.2 GHz
3.3 GHz
Socket
LGA 1200
LGA 1151
Cores/Threads
10/20
4/4
TDP
125 W
65 W
Cache L1 (d+i)
10x32+10x32 kB
4x32+4x32 kB
Cache L2
10x256 kB
4x256 kB
Cache L3
20480 kB
6144 kB
Date
April 2020
September 2015
Mean monothread perf.
80.41k points
48.05k points
Mean multithread perf.
685.65k points
174.05k points
SSE3 optimized benchmark
The benchmark in mode I (SSE) is optimized for the use of SIMD instructions with 128 bits register and the SSE set up to version 3. Nearly every modern CPU has support for this mode.
Monothread
i9-10900K
i5-6400
Test#1 (Integers)
19.5k
11.56k (x0.59)
Test#2 (FP)
28.01k
16.53k (x0.59)
Test#3 (Generic, ZIP)
7.45k
4.3k (x0.58)
Test#1 (Memory)
15.82k
3.97k (x0.25)
TOTAL
70.79k
36.36k (x0.51)
Multithread
i9-10900K
i5-6400
Test#1 (Integers)
194.49k
43.01k (x0.22)
Test#2 (FP)
312.59k
64.46k (x0.21)
Test#3 (Generic, ZIP)
89.14k
16.14k (x0.18)
Test#1 (Memory)
12.58k
5.91k (x0.47)
TOTAL
608.81k
129.51k (x0.21)
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
i9-10900K
i5-6400
Test#1 (Integers)
32.67k
21.1k (x0.65)
Test#2 (FP)
28.49k
18.28k (x0.64)
Test#3 (Generic, ZIP)
6.53k
4.22k (x0.65)
Test#1 (Memory)
12.72k
4.45k (x0.35)
TOTAL
80.41k
48.05k (x0.6)
Multithread
i9-10900K
i5-6400
Test#1 (Integers)
307.39k
80.03k (x0.26)
Test#2 (FP)
298.47k
71.1k (x0.24)
Test#3 (Generic, ZIP)
72.94k
16.19k (x0.22)
Test#1 (Memory)
6.85k
6.73k (x0.98)
TOTAL
685.65k
174.05k (x0.25)
Performance/W
i9-10900K
i5-6400
Test#1 (Integers)
2459 points/W
1231 points/W
Test#2 (FP)
2388 points/W
1094 points/W
Test#3 (Generic, ZIP)
583 points/W
249 points/W
Test#1 (Memory)
55 points/W
104 points/W
TOTAL
5485 points/W
2678 points/W
Performance/GHz
i9-10900K
i5-6400
Test#1 (Integers)
6282 points/GHz
6394 points/GHz
Test#2 (FP)
5479 points/GHz
5539 points/GHz
Test#3 (Generic, ZIP)
1257 points/GHz
1279 points/GHz
Test#1 (Memory)
2445 points/GHz
1348 points/GHz
TOTAL
15463 points/GHz
14560 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4