Core i5-6400 vs i5-8259U
Description
The i5-6400 is based on Skylake architecture while the i5-8259U is based on Coffee Lake.
Using the multithread performance as a reference, the i5-6400 gets a score of 174.1 k points while the i5-8259U gets 229 k points.
Summarizing, the i5-8259U is 1.3 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 i5-6400 gets a score of 174.1 k points while the i5-8259U gets 229 k points.
Summarizing, the i5-8259U is 1.3 times faster than the i5-6400 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
506e3
806ea
Core
Skylake-S
Coffee Lake-U
Base frecuency
2.7 GHz
2.3 GHz
Boost frecuency
3.3 GHz
3.8 GHz
Socket
LGA 1151
BGA 1528
Cores/Threads
4/4
4/8
TDP
65 W
28 W
Cache L1 (d+i)
4x32+4x32 kB
4x32+x4x32 kB
Cache L2
4x256 kB
4x256 kB
Cache L3
6144 kB
6144 kB
Date
September 2015
March 2018
Mean monothread perf.
48.05k points
54.55k points
Mean multithread perf.
174.05k points
229k 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
i5-6400
i5-8259U
Test#1 (Integers)
21.1k
21.06k (x1)
Test#2 (FP)
18.28k
19.79k (x1.08)
Test#3 (Generic, ZIP)
4.22k
4.72k (x1.12)
Test#1 (Memory)
4.45k
8.98k (x2.02)
TOTAL
48.05k
54.55k (x1.14)
Multithread
i5-6400
i5-8259U
Test#1 (Integers)
80.03k
96.43k (x1.2)
Test#2 (FP)
71.1k
85.46k (x1.2)
Test#3 (Generic, ZIP)
16.19k
22.31k (x1.38)
Test#1 (Memory)
6.73k
24.81k (x3.68)
TOTAL
174.05k
229k (x1.32)
Performance/W
i5-6400
i5-8259U
Test#1 (Integers)
1231 points/W
3444 points/W
Test#2 (FP)
1094 points/W
3052 points/W
Test#3 (Generic, ZIP)
249 points/W
797 points/W
Test#1 (Memory)
104 points/W
886 points/W
TOTAL
2678 points/W
8179 points/W
Performance/GHz
i5-6400
i5-8259U
Test#1 (Integers)
6394 points/GHz
5543 points/GHz
Test#2 (FP)
5539 points/GHz
5208 points/GHz
Test#3 (Generic, ZIP)
1279 points/GHz
1241 points/GHz
Test#1 (Memory)
1348 points/GHz
2363 points/GHz
TOTAL
14560 points/GHz
14355 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