Core i7-7500U vs i5-6400
Description
The i7-7500U is based on Kaby Lake architecture while the i5-6400 is based on Skylake.
Using the multithread performance as a reference, the i7-7500U gets a score of 86.9 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i5-6400 is 2 times faster than the i7-7500U. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-7500U gets a score of 86.9 k points while the i5-6400 gets 174.1 k points.
Summarizing, the i5-6400 is 2 times faster than the i7-7500U. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
806e9
506e3
Core
Kaby Lake-U
Skylake-S
Base frecuency
2.7 GHz
2.7 GHz
Boost frecuency
3.5 GHz
3.3 GHz
Socket
BGA1356
LGA 1151
Cores/Threads
2/4
4/4
TDP
15 W
65 W
Cache L1 (d+i)
2x32+2x32 kB
4x32+4x32 kB
Cache L2
2x256 kB
4x256 kB
Cache L3
4096 kB
6144 kB
Date
August 2016
September 2015
Mean monothread perf.
48.67k points
48.05k points
Mean multithread perf.
86.94k 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
i7-7500U
i5-6400
Test#1 (Integers)
3.53k
3.2k (x0.91)
Test#2 (FP)
14.67k
12.81k (x0.87)
Test#3 (Generic, ZIP)
4.84k
4.18k (x0.86)
Test#1 (Memory)
6.26k
4.3k (x0.69)
TOTAL
29.29k
24.49k (x0.84)
Multithread
i7-7500U
i5-6400
Test#1 (Integers)
7.26k
11.45k (x1.58)
Test#2 (FP)
35.04k
46.67k (x1.33)
Test#3 (Generic, ZIP)
11.28k
14.69k (x1.3)
Test#1 (Memory)
5.69k
5.92k (x1.04)
TOTAL
59.27k
78.73k (x1.33)
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
i7-7500U
i5-6400
Test#1 (Integers)
12.93k
11.56k (x0.89)
Test#2 (FP)
18.63k
16.53k (x0.89)
Test#3 (Generic, ZIP)
5.03k
4.3k (x0.85)
Test#1 (Memory)
6.16k
3.97k (x0.64)
TOTAL
42.75k
36.36k (x0.85)
Multithread
i7-7500U
i5-6400
Test#1 (Integers)
27.13k
43.01k (x1.59)
Test#2 (FP)
43.19k
64.46k (x1.49)
Test#3 (Generic, ZIP)
11.7k
16.14k (x1.38)
Test#1 (Memory)
4.99k
5.91k (x1.18)
TOTAL
87.02k
129.51k (x1.49)
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
i7-7500U
i5-6400
Test#1 (Integers)
12.71k
11.82k (x0.93)
Test#2 (FP)
18.61k
18.36k (x0.99)
Test#3 (Generic, ZIP)
4.78k
4.43k (x0.93)
Test#1 (Memory)
6.63k
4.95k (x0.75)
TOTAL
42.72k
39.56k (x0.93)
Multithread
i7-7500U
i5-6400
Test#1 (Integers)
27.27k
46.04k (x1.69)
Test#2 (FP)
44.7k
69.47k (x1.55)
Test#3 (Generic, ZIP)
11.33k
16.33k (x1.44)
Test#1 (Memory)
5.55k
7.74k (x1.39)
TOTAL
88.86k
139.58k (x1.57)
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
i7-7500U
i5-6400
Test#1 (Integers)
20.74k
21.1k (x1.02)
Test#2 (FP)
18.41k
18.28k (x0.99)
Test#3 (Generic, ZIP)
3.98k
4.22k (x1.06)
Test#1 (Memory)
5.54k
4.45k (x0.8)
TOTAL
48.67k
48.05k (x0.99)
Multithread
i7-7500U
i5-6400
Test#1 (Integers)
37.34k
80.03k (x2.14)
Test#2 (FP)
35.79k
71.1k (x1.99)
Test#3 (Generic, ZIP)
8.34k
16.19k (x1.94)
Test#1 (Memory)
5.48k
6.73k (x1.23)
TOTAL
86.94k
174.05k (x2)
Performance/W
i7-7500U
i5-6400
Test#1 (Integers)
2489 points/W
1231 points/W
Test#2 (FP)
2386 points/W
1094 points/W
Test#3 (Generic, ZIP)
556 points/W
249 points/W
Test#1 (Memory)
365 points/W
104 points/W
TOTAL
5796 points/W
2678 points/W
Performance/GHz
i7-7500U
i5-6400
Test#1 (Integers)
5926 points/GHz
6394 points/GHz
Test#2 (FP)
5260 points/GHz
5539 points/GHz
Test#3 (Generic, ZIP)
1137 points/GHz
1279 points/GHz
Test#1 (Memory)
1584 points/GHz
1348 points/GHz
TOTAL
13907 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