Core i5-8500 vs i5-9600KF

Description

Both models i5-8500 and i5-9600KF are based on Coffee Lake architecture.

Coffee Lake is the second refinement of Intel’s 14nm (Tri-Gate) technology. While it uses LGA1151 socket, it is incompatible with previous generations due to electrical changes in socket’s pins so these CPUs require Z370 chipset. This kind of generation introduced more cores in every range to compete with new AMD’s architecture. Coffee Lake uses DDR4 memory at 2400MHz for i3 and at 2666MHz for i5, i7 CPUs plus iGPU frequency has been increased 50MHz with respect to previous generation.

Using the multithread performance as a reference, the i5-8500 gets a score of 307.5 k points while the i5-9600KF gets 371.1 k points.

Summarizing, the i5-9600KF is 1.2 times faster than the i5-8500. To get a proper comparison between both models, take a look to the data shown below.

Specs

i5-8500

i5-9600KF

CPUID

906ea

906ec

Core

Coffee Lake-S

Architecture

Coffee Lake

Base frecuency

3 GHz

3.7 GHz

Boost frecuency

4.1 GHz

4.6 GHz

Socket

LGA 1151

Cores/Threads

6/6

TDP

65 W

95 W

Cache L1 (d+i)

6x32+6x32 kB

Cache L2

6x256 kB

Cache L3

9216 kB

Date

March 2018

January 2019

Mean monothread perf.

69.09k points

77.34k points

Mean multithread perf.

307.52k points

371.08k 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

i5-8500

i5-9600KF

Test#1 (Integers)

4.19k

4.63k (x1.1)

Test#2 (FP)

17.38k

19.43k (x1.12)

Test#3 (Generic, ZIP)

5.46k

6.17k (x1.13)

Test#1 (Memory)

11.92k

13.82k (x1.16)

TOTAL

38.96k

44.04k (x1.13)

Multithread

i5-8500

i5-9600KF

Test#1 (Integers)

27.67k

26.64k (x0.96)

Test#2 (FP)

94.07k

110.11k (x1.17)

Test#3 (Generic, ZIP)

29.05k

33.07k (x1.14)

Test#1 (Memory)

4.39k

8.3k (x1.89)

TOTAL

155.18k

178.11k (x1.15)

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

i5-8500

i5-9600KF

Test#1 (Integers)

15.22k

16.5k (x1.08)

Test#2 (FP)

22.02k

24.35k (x1.11)

Test#3 (Generic, ZIP)

5.75k

6.54k (x1.14)

Test#1 (Memory)

12.17k

13.59k (x1.12)

TOTAL

55.17k

60.98k (x1.11)

Multithread

i5-8500

i5-9600KF

Test#1 (Integers)

87.78k

93.78k (x1.07)

Test#2 (FP)

126.73k

134.47k (x1.06)

Test#3 (Generic, ZIP)

32.93k

32.24k (x0.98)

Test#1 (Memory)

4.22k

8.22k (x1.95)

TOTAL

251.65k

268.71k (x1.07)

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

i5-8500

i5-9600KF

Test#1 (Integers)

15.21k

16.92k (x1.11)

Test#2 (FP)

22.94k

25.44k (x1.11)

Test#3 (Generic, ZIP)

5.54k

6.36k (x1.15)

Test#1 (Memory)

11.39k

13.25k (x1.16)

TOTAL

55.07k

61.97k (x1.13)

Multithread

i5-8500

i5-9600KF

Test#1 (Integers)

79.52k

95.51k (x1.2)

Test#2 (FP)

107.78k

143.19k (x1.33)

Test#3 (Generic, ZIP)

31.89k

33.85k (x1.06)

Test#1 (Memory)

13.37k

8.21k (x0.61)

TOTAL

232.55k

280.77k (x1.21)

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

i5-8500

i5-9600KF

Test#1 (Integers)

27.36k

30.52k (x1.12)

Test#2 (FP)

24.27k

26.54k (x1.09)

Test#3 (Generic, ZIP)

5.69k

6.41k (x1.13)

Test#1 (Memory)

11.77k

13.87k (x1.18)

TOTAL

69.09k

77.34k (x1.12)

Multithread

i5-8500

i5-9600KF

Test#1 (Integers)

144.77k

174.66k (x1.21)

Test#2 (FP)

129.04k

154.06k (x1.19)

Test#3 (Generic, ZIP)

29.53k

34.11k (x1.16)

Test#1 (Memory)

4.18k

8.24k (x1.97)

TOTAL

307.52k

371.08k (x1.21)

Performance/W

i5-8500

i5-9600KF

Test#1 (Integers)

2227 points/W

1839 points/W

Test#2 (FP)

1985 points/W

1622 points/W

Test#3 (Generic, ZIP)

454 points/W

359 points/W

Test#1 (Memory)

64 points/W

87 points/W

TOTAL

4731 points/W

3906 points/W

Performance/GHz

i5-8500

i5-9600KF

Test#1 (Integers)

6673 points/GHz

6635 points/GHz

Test#2 (FP)

5920 points/GHz

5769 points/GHz

Test#3 (Generic, ZIP)

1388 points/GHz

1394 points/GHz

Test#1 (Memory)

2870 points/GHz

3015 points/GHz

TOTAL

16850 points/GHz

16813 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