Core i5-8250U vs i7-4720HQ

Description

The i5-8250U is based on Kaby Lake architecture while the i7-4720HQ is based on Haswell.

Using the multithread performance as a reference, the i5-8250U gets a score of 161.3 k points while the i7-4720HQ gets 132.3 k points.

Summarizing, the i5-8250U is 1.2 times faster than the i7-4720HQ. To get a proper comparison between both models, take a look to the data shown below.

Specs

i5-8250U

i7-4720HQ

CPUID

806ea

306c3

Core

Kaby Lake-R

Haswell

Architecture

Kaby Lake

Haswell

Base frecuency

1.6 GHz

2.6 GHz

Boost frecuency

3.4 GHz

3.6 GHz

Socket

BGA1356

BGA1364

Cores/Threads

4/8

TDP

15 W

47 W

Cache L1 (d+i)

4x32+4x32 kB

Cache L2

4x256 kB

Cache L3

6144 kB

Date

August 2017

January 2015

Mean monothread perf.

54.31k points

40.12k points

Mean multithread perf.

161.26k points

132.35k 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

i5-8250U

i7-4720HQ

Test#1 (Integers)

3.32k

3.79k (x1.14)

Test#2 (FP)

13.5k

9.64k (x0.71)

Test#3 (Generic, ZIP)

4.11k

4.34k (x1.06)

Test#1 (Memory)

7.42k

3.76k (x0.51)

TOTAL

28.34k

21.53k (x0.76)

Multithread

i5-8250U

i7-4720HQ

Test#1 (Integers)

13.97k

11.66k (x0.83)

Test#2 (FP)

50.8k

37.71k (x0.74)

Test#3 (Generic, ZIP)

14.71k

16.38k (x1.11)

Test#1 (Memory)

4.76k

5.94k (x1.25)

TOTAL

84.24k

71.69k (x0.85)

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

i5-8250U

i7-4720HQ

Test#1 (Integers)

22.11k

20.68k (x0.94)

Test#2 (FP)

19.64k

10.28k (x0.52)

Test#3 (Generic, ZIP)

4.54k

4.87k (x1.07)

Test#1 (Memory)

8.03k

4.29k (x0.53)

TOTAL

54.31k

40.12k (x0.74)

Multithread

i5-8250U

i7-4720HQ

Test#1 (Integers)

74.19k

66.84k (x0.9)

Test#2 (FP)

66.27k

42.85k (x0.65)

Test#3 (Generic, ZIP)

15.97k

16.77k (x1.05)

Test#1 (Memory)

4.83k

5.88k (x1.22)

TOTAL

161.26k

132.35k (x0.82)

Performance/W

i5-8250U

i7-4720HQ

Test#1 (Integers)

4946 points/W

1422 points/W

Test#2 (FP)

4418 points/W

912 points/W

Test#3 (Generic, ZIP)

1065 points/W

357 points/W

Test#1 (Memory)

322 points/W

125 points/W

TOTAL

10751 points/W

2816 points/W

Performance/GHz

i5-8250U

i7-4720HQ

Test#1 (Integers)

6503 points/GHz

5745 points/GHz

Test#2 (FP)

5777 points/GHz

2856 points/GHz

Test#3 (Generic, ZIP)

1334 points/GHz

1352 points/GHz

Test#1 (Memory)

2361 points/GHz

1191 points/GHz

TOTAL

15975 points/GHz

11143 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]

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.

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