Core i7-4790 vs i5-6400
Description
The i7-4790 is based on Haswell architecture while the i5-6400 is based on Skylake.
Using the multithread performance as a reference, the i7-4790 gets a score of 173.9 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i5-6400 is 1 times faster than the i7-4790 . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-4790 gets a score of 173.9 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i5-6400 is 1 times faster than the i7-4790 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306c3
506e3
Core
Haswell
Skylake-S
Base frecuency
3.6 GHz
2.7 GHz
Boost frecuency
4 GHz
3.3 GHz
Socket
LGA 1150
LGA 1151
Cores/Threads
4/8
4/4
TDP
84 W
65 W
Cache L1 (d+i)
32+32 kB
4x32+4x32 kB
Cache L2
256 kB
4x256 kB
Cache L3
8192 kB
6144 kB
Date
May 2014
September 2015
Mean monothread perf.
44.73k points
48.05k points
Mean multithread perf.
173.89k 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
i7-4790
i5-6400
Test#1 (Integers)
4.51k
3.2k (x0.71)
Test#2 (FP)
11.24k
12.81k (x1.14)
Test#3 (Generic, ZIP)
5.03k
4.18k (x0.83)
Test#1 (Memory)
5.02k
4.3k (x0.86)
TOTAL
25.8k
24.49k (x0.95)
Multithread
i7-4790
i5-6400
Test#1 (Integers)
15.72k
11.45k (x0.73)
Test#2 (FP)
54.99k
46.67k (x0.85)
Test#3 (Generic, ZIP)
23.87k
14.69k (x0.62)
Test#1 (Memory)
5.48k
5.92k (x1.08)
TOTAL
100.06k
78.73k (x0.79)
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
i7-4790
i5-6400
Test#1 (Integers)
13.52k
11.56k (x0.86)
Test#2 (FP)
11.94k
16.53k (x1.38)
Test#3 (Generic, ZIP)
4.96k
4.3k (x0.87)
Test#1 (Memory)
4.84k
3.97k (x0.82)
TOTAL
35.25k
36.36k (x1.03)
Multithread
i7-4790
i5-6400
Test#1 (Integers)
54.7k
43.01k (x0.79)
Test#2 (FP)
52.41k
64.46k (x1.23)
Test#3 (Generic, ZIP)
24.5k
16.14k (x0.66)
Test#1 (Memory)
6.77k
5.91k (x0.87)
TOTAL
138.37k
129.51k (x0.94)
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
i7-4790
i5-6400
Test#1 (Integers)
14.07k
11.82k (x0.84)
Test#2 (FP)
12.63k
18.36k (x1.45)
Test#3 (Generic, ZIP)
5.35k
4.43k (x0.83)
Test#1 (Memory)
4.98k
4.95k (x0.99)
TOTAL
37.03k
39.56k (x1.07)
Multithread
i7-4790
i5-6400
Test#1 (Integers)
57.88k
46.04k (x0.8)
Test#2 (FP)
60.83k
69.47k (x1.14)
Test#3 (Generic, ZIP)
24.4k
16.33k (x0.67)
Test#1 (Memory)
6.95k
7.74k (x1.11)
TOTAL
150.07k
139.58k (x0.93)
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
i7-4790
i5-6400
Test#1 (Integers)
22.19k
21.1k (x0.95)
Test#2 (FP)
12.45k
18.28k (x1.47)
Test#3 (Generic, ZIP)
5.11k
4.22k (x0.83)
Test#1 (Memory)
4.98k
4.45k (x0.89)
TOTAL
44.73k
48.05k (x1.07)
Multithread
i7-4790
i5-6400
Test#1 (Integers)
87.14k
80.03k (x0.92)
Test#2 (FP)
58k
71.1k (x1.23)
Test#3 (Generic, ZIP)
22.75k
16.19k (x0.71)
Test#1 (Memory)
6k
6.73k (x1.12)
TOTAL
173.89k
174.05k (x1)
Performance/W
i7-4790
i5-6400
Test#1 (Integers)
1037 points/W
1231 points/W
Test#2 (FP)
691 points/W
1094 points/W
Test#3 (Generic, ZIP)
271 points/W
249 points/W
Test#1 (Memory)
71 points/W
104 points/W
TOTAL
2070 points/W
2678 points/W
Performance/GHz
i7-4790
i5-6400
Test#1 (Integers)
5547 points/GHz
6394 points/GHz
Test#2 (FP)
3113 points/GHz
5539 points/GHz
Test#3 (Generic, ZIP)
1279 points/GHz
1279 points/GHz
Test#1 (Memory)
1244 points/GHz
1348 points/GHz
TOTAL
11183 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