Core i5-6400 vs i7-6700HQ
Description
Both models i5-6400 and i7-6700HQ are based on Skylake architecture.
Sky Lake is also known as 6th generation Core. Include Thunderbolt 3.0, SATA Express and Iris Pro graphics with DirectX 12. It uses LGA 1151 socket for mainstream models and LGA 2066 for X-Series. Sky Lake comes with AVX2 support in all mainstreams CPUs and AVX-512 in some high end models.
Using the multithread performance as a reference, the i5-6400 gets a score of 174.1 k points while the i7-6700HQ gets 205.2 k points.
Summarizing, the i7-6700HQ is 1.2 times faster than the i5-6400 . To get a proper comparison between both models, take a look to the data shown below.
Sky Lake is also known as 6th generation Core. Include Thunderbolt 3.0, SATA Express and Iris Pro graphics with DirectX 12. It uses LGA 1151 socket for mainstream models and LGA 2066 for X-Series. Sky Lake comes with AVX2 support in all mainstreams CPUs and AVX-512 in some high end models.
Using the multithread performance as a reference, the i5-6400 gets a score of 174.1 k points while the i7-6700HQ gets 205.2 k points.
Summarizing, the i7-6700HQ is 1.2 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
506e3
Core
Skylake-S
Skylake-H
Base frecuency
2.7 GHz
2.6 GHz
Boost frecuency
3.3 GHz
3.5 GHz
Socket
LGA 1151
BGA1440
Cores/Threads
4/4
4/8
TDP
65 W
45 W
Cache L1 (d+i)
4x32+4x32 kB
4x32+4x32 kB
Cache L2
4x256 kB
4x256 kB
Cache L3
6144 kB
6144 kB
Date
September 2015
Mean monothread perf.
48.05k points
50.54k points
Mean multithread perf.
174.05k points
205.24k points
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
i5-6400
i7-6700HQ
Test#1 (Integers)
11.82k
11.23k (x0.95)
Test#2 (FP)
18.36k
16.98k (x0.93)
Test#3 (Generic, ZIP)
4.43k
4.21k (x0.95)
Test#1 (Memory)
4.95k
7.07k (x1.43)
TOTAL
39.56k
39.49k (x1)
Multithread
i5-6400
i7-6700HQ
Test#1 (Integers)
46.04k
44.59k (x0.97)
Test#2 (FP)
69.47k
75.02k (x1.08)
Test#3 (Generic, ZIP)
16.33k
20.15k (x1.23)
Test#1 (Memory)
7.74k
5.92k (x0.76)
TOTAL
139.58k
145.68k (x1.04)
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
i7-6700HQ
Test#1 (Integers)
21.1k
21.33k (x1.01)
Test#2 (FP)
18.28k
18.34k (x1)
Test#3 (Generic, ZIP)
4.22k
4.44k (x1.05)
Test#1 (Memory)
4.45k
6.44k (x1.45)
TOTAL
48.05k
50.54k (x1.05)
Multithread
i5-6400
i7-6700HQ
Test#1 (Integers)
80.03k
91.89k (x1.15)
Test#2 (FP)
71.1k
87.87k (x1.24)
Test#3 (Generic, ZIP)
16.19k
20.61k (x1.27)
Test#1 (Memory)
6.73k
4.87k (x0.72)
TOTAL
174.05k
205.24k (x1.18)
Performance/W
i5-6400
i7-6700HQ
Test#1 (Integers)
1231 points/W
2042 points/W
Test#2 (FP)
1094 points/W
1953 points/W
Test#3 (Generic, ZIP)
249 points/W
458 points/W
Test#1 (Memory)
104 points/W
108 points/W
TOTAL
2678 points/W
4561 points/W
Performance/GHz
i5-6400
i7-6700HQ
Test#1 (Integers)
6394 points/GHz
6094 points/GHz
Test#2 (FP)
5539 points/GHz
5240 points/GHz
Test#3 (Generic, ZIP)
1279 points/GHz
1267 points/GHz
Test#1 (Memory)
1348 points/GHz
1840 points/GHz
TOTAL
14560 points/GHz
14441 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