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Core i7-7560U vs i5-7400


Description
Both models i7-7560U and i5-7400 are based on Kaby Lake architecture.

The first Kaby Lake CPU was released in August 2016. It uses a 14 nm process and was the first architecture in breaking the previous tick-tock model. Actually, it is not that different from the preceding Skylake: it has 64kB of L1 cache and 256kB L2 cache per core.

Using the multithread performance as a reference, the i7-7560U gets a score of 97.3 k points while the i5-7400 gets 173.7 k points.

Summarizing, the i5-7400 is 1.8 times faster than the i7-7560U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806e9
906e9
Core
Kaby Lake-U
Kaby Lake-S
Architecture
Base frecuency
2.4 GHz
3 GHz
Boost frecuency
3.8 GHz
3.5 GHz
Socket
BGA 1356
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
January 2017
September 2016
Mean monothread perf.
48.16k points
52.69k points
Mean multithread perf.
97.27k points
173.7k 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
i7-7560U
i5-7400
Test#1 (Integers)
12.88k
12.72k (x0.99)
Test#2 (FP)
20.02k
19.3k (x0.96)
Test#3 (Generic, ZIP)
4.15k
4.76k (x1.15)
Test#1 (Memory)
8.97k
8.73k (x0.97)
TOTAL
46.02k
45.52k (x0.99)

Multithread

i7-7560U

i5-7400
Test#1 (Integers)
23k
47.95k (x2.09)
Test#2 (FP)
41.21k
71.98k (x1.75)
Test#3 (Generic, ZIP)
9.92k
17.22k (x1.74)
Test#1 (Memory)
14.9k
8.03k (x0.54)
TOTAL
89.03k
145.18k (x1.63)

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
i7-7560U
i5-7400
Test#1 (Integers)
19.37k
22.37k (x1.16)
Test#2 (FP)
17.26k
19.46k (x1.13)
Test#3 (Generic, ZIP)
3.78k
4.44k (x1.17)
Test#1 (Memory)
7.75k
6.41k (x0.83)
TOTAL
48.16k
52.69k (x1.09)

Multithread

i7-7560U

i5-7400
Test#1 (Integers)
39.17k
79.57k (x2.03)
Test#2 (FP)
38.24k
71.41k (x1.87)
Test#3 (Generic, ZIP)
8.9k
16.44k (x1.85)
Test#1 (Memory)
10.97k
6.27k (x0.57)
TOTAL
97.27k
173.7k (x1.79)

Performance/W
i7-7560U
i5-7400
Test#1 (Integers)
2611 points/W
1224 points/W
Test#2 (FP)
2549 points/W
1099 points/W
Test#3 (Generic, ZIP)
593 points/W
253 points/W
Test#1 (Memory)
731 points/W
96 points/W
TOTAL
6485 points/W
2672 points/W

Performance/GHz
i7-7560U
i5-7400
Test#1 (Integers)
5097 points/GHz
6392 points/GHz
Test#2 (FP)
4543 points/GHz
5561 points/GHz
Test#3 (Generic, ZIP)
994 points/GHz
1267 points/GHz
Test#1 (Memory)
2041 points/GHz
1832 points/GHz
TOTAL
12674 points/GHz
15053 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.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

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.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.11.4