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Core i7-6500U vs i5-4590


Description
The i7-6500U is based on Skylake architecture while the i5-4590 is based on Haswell.

Using the multithread performance as a reference, the i7-6500U gets a score of 97.5 k points while the i5-4590 gets 140 k points.

Summarizing, the i5-4590 is 1.4 times faster than the i7-6500U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
406e3
306c3
Core
Skylake-U
Haswell
Architecture
Base frecuency
2.5 GHz
3.3 GHz
Boost frecuency
3.1 GHz
3.7 GHz
Socket
BGA1356
LGA 1150
Cores/Threads
2/4
4/4
TDP
15 W
84 W
Cache L1 (d+i)
2x32+2x32 kB
4x32+4x32 kB
Cache L2
4096 kB
4x256 kB
Cache L3
kB
6144 kB
Date
September 2015
June 2014
Mean monothread perf.
46.25k points
40.93k points
Mean multithread perf.
97.52k points
139.99k 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
i7-6500U
i5-4590
Test#1 (Integers)
19.47k
20.88k (x1.07)
Test#2 (FP)
17.58k
11.12k (x0.63)
Test#3 (Generic, ZIP)
4.05k
4.75k (x1.17)
Test#1 (Memory)
5.15k
4.19k (x0.81)
TOTAL
46.25k
40.93k (x0.89)

Multithread

i7-6500U

i5-4590
Test#1 (Integers)
42.05k
75.76k (x1.8)
Test#2 (FP)
40.2k
40.42k (x1.01)
Test#3 (Generic, ZIP)
9.4k
16.97k (x1.81)
Test#1 (Memory)
5.86k
6.84k (x1.17)
TOTAL
97.52k
139.99k (x1.44)

Performance/W
i7-6500U
i5-4590
Test#1 (Integers)
2803 points/W
902 points/W
Test#2 (FP)
2680 points/W
481 points/W
Test#3 (Generic, ZIP)
626 points/W
202 points/W
Test#1 (Memory)
391 points/W
81 points/W
TOTAL
6501 points/W
1667 points/W

Performance/GHz
i7-6500U
i5-4590
Test#1 (Integers)
6279 points/GHz
5643 points/GHz
Test#2 (FP)
5672 points/GHz
3006 points/GHz
Test#3 (Generic, ZIP)
1305 points/GHz
1283 points/GHz
Test#1 (Memory)
1662 points/GHz
1132 points/GHz
TOTAL
14918 points/GHz
11063 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