Core i7-10870H vs i5-6400
Description
The i7-10870H is based on Comet Lake architecture while the i5-6400 is based on Skylake.
Using the multithread performance as a reference, the i7-10870H gets a score of 487 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i7-10870H is 2.8 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 i7-10870H gets a score of 487 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i7-10870H is 2.8 times faster than the i5-6400 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
a0652
506e3
Core
Comet Lake-H
Skylake-S
Base frecuency
2.2 GHz
2.7 GHz
Boost frecuency
5 GHz
3.3 GHz
Socket
FC-BGA 1440
LGA 1151
Cores/Threads
8/16
4/4
TDP
45 W
65 W
Cache L1 (d+i)
8x32+8x32 kB
4x32+4x32 kB
Cache L2
8x256 kB
4x256 kB
Cache L3
16384 kB
6144 kB
Date
September 2020
September 2015
Mean monothread perf.
79.2k points
48.05k points
Mean multithread perf.
487.05k points
174.05k 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
i7-10870H
i5-6400
Test#1 (Integers)
4.77k
3.2k (x0.67)
Test#2 (FP)
19.81k
12.81k (x0.65)
Test#3 (Generic, ZIP)
6.29k
4.18k (x0.66)
Test#1 (Memory)
14.03k
4.3k (x0.31)
TOTAL
44.9k
24.49k (x0.55)
Multithread
i7-10870H
i5-6400
Test#1 (Integers)
31.21k
11.45k (x0.37)
Test#2 (FP)
151.01k
46.67k (x0.31)
Test#3 (Generic, ZIP)
50.13k
14.69k (x0.29)
Test#1 (Memory)
8.37k
5.92k (x0.71)
TOTAL
240.71k
78.73k (x0.33)
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
i7-10870H
i5-6400
Test#1 (Integers)
17.17k
11.56k (x0.67)
Test#2 (FP)
25.26k
16.53k (x0.65)
Test#3 (Generic, ZIP)
6.7k
4.3k (x0.64)
Test#1 (Memory)
13.81k
3.97k (x0.29)
TOTAL
62.95k
36.36k (x0.58)
Multithread
i7-10870H
i5-6400
Test#1 (Integers)
116.68k
43.01k (x0.37)
Test#2 (FP)
187.28k
64.46k (x0.34)
Test#3 (Generic, ZIP)
51.52k
16.14k (x0.31)
Test#1 (Memory)
8.39k
5.91k (x0.7)
TOTAL
363.87k
129.51k (x0.36)
AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i7-10870H
i5-6400
Test#1 (Integers)
16.14k
11.82k (x0.73)
Test#2 (FP)
24.74k
18.36k (x0.74)
Test#3 (Generic, ZIP)
5.98k
4.43k (x0.74)
Test#1 (Memory)
12.7k
4.95k (x0.39)
TOTAL
59.55k
39.56k (x0.66)
Multithread
i7-10870H
i5-6400
Test#1 (Integers)
117.03k
46.04k (x0.39)
Test#2 (FP)
199.88k
69.47k (x0.35)
Test#3 (Generic, ZIP)
50.64k
16.33k (x0.32)
Test#1 (Memory)
8.23k
7.74k (x0.94)
TOTAL
375.77k
139.58k (x0.37)
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
i7-10870H
i5-6400
Test#1 (Integers)
30.38k
21.1k (x0.69)
Test#2 (FP)
27.95k
18.28k (x0.65)
Test#3 (Generic, ZIP)
6.51k
4.22k (x0.65)
Test#1 (Memory)
14.37k
4.45k (x0.31)
TOTAL
79.2k
48.05k (x0.61)
Multithread
i7-10870H
i5-6400
Test#1 (Integers)
216.18k
80.03k (x0.37)
Test#2 (FP)
210.82k
71.1k (x0.34)
Test#3 (Generic, ZIP)
51.57k
16.19k (x0.31)
Test#1 (Memory)
8.47k
6.73k (x0.8)
TOTAL
487.05k
174.05k (x0.36)
Performance/W
i7-10870H
i5-6400
Test#1 (Integers)
4804 points/W
1231 points/W
Test#2 (FP)
4685 points/W
1094 points/W
Test#3 (Generic, ZIP)
1146 points/W
249 points/W
Test#1 (Memory)
188 points/W
104 points/W
TOTAL
10823 points/W
2678 points/W
Performance/GHz
i7-10870H
i5-6400
Test#1 (Integers)
6075 points/GHz
6394 points/GHz
Test#2 (FP)
5589 points/GHz
5539 points/GHz
Test#3 (Generic, ZIP)
1302 points/GHz
1279 points/GHz
Test#1 (Memory)
2873 points/GHz
1348 points/GHz
TOTAL
15840 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