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Core i7-8700k vs Ryzen 5 2400G


Description
The i7-8700k is based on Coffee Lake architecture while the 2400G is based on Zen.

Using the multithread performance as a reference, the i7-8700k gets a score of 443.8 k points while the 2400G gets 197.5 k points.

Summarizing, the i7-8700k is 2.2 times faster than the 2400G. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
810f10
Core
Coffee Lake-S
Raven Ridge
Architecture
Base frecuency
3.7 GHz
3.6 GHz
Boost frecuency
4.7 GHz
3.9 GHz
Socket
LGA 1151
AM4
Cores/Threads
6/12
4/8
TDP
95 W
65 W
Cache L1 (d+i)
6x32+6x32 kB
4x64+4x32 kB
Cache L2
6x256 kB
4x512 kB
Cache L3
12288 kB
4096 kB
Date
October 2017
January 2018

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
i7-8700k
2400G
Test#1 (Integers)
4127
3800 (-7.93%)
Test#2 (FP)
16959
17383 (2.50%)
Test#3 (Generic, ZIP)
5564
5170 (-7.07%)
Test#1 (Memory)
12845
3164 (-75.37%)
TOTAL
39495
29517 (-25.26%)

Multithread

i7-8700k

2400G
Test#1 (Integers)
24011
15275 (-36.38%)
Test#2 (FP)
108690
76437 (-29.67%)
Test#3 (Generic, ZIP)
36616
27476 (-24.96%)
Test#1 (Memory)
9327
3015 (-67.67%)
TOTAL
178644
122203 (-31.59%)

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
i7-8700k
2400G
Test#1 (Integers)
12920
13950 (7.97%)
Test#2 (FP)
20678
20702 (0.12%)
Test#3 (Generic, ZIP)
5295
5331 (0.67%)
Test#1 (Memory)
12587
3026 (-75.96%)
TOTAL
51480
43009 (-16.46%)

Multithread

i7-8700k

2400G
Test#1 (Integers)
94259
58562 (-37.87%)
Test#2 (FP)
152549
92948 (-39.07%)
Test#3 (Generic, ZIP)
39735
28553 (-28.14%)
Test#1 (Memory)
8527
2975 (-65.11%)
TOTAL
295071
183039 (-37.97%)

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
i7-8700k
2400G
Test#1 (Integers)
16874
13039 (-22.72%)
Test#2 (FP)
26119
22350 (-14.43%)
Test#3 (Generic, ZIP)
6329
5366 (-15.21%)
Test#1 (Memory)
13708
3398 (-75.21%)
TOTAL
63030
44153 (-29.95%)

Multithread

i7-8700k

2400G
Test#1 (Integers)
105740
56494 (-46.57%)
Test#2 (FP)
180520
100740 (-44.19%)
Test#3 (Generic, ZIP)
44994
28212 (-37.30%)
Test#1 (Memory)
8512
3041 (-64.28%)
TOTAL
339766
188486 (-44.52%)

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
i7-8700k
2400G
Test#1 (Integers)
31204
14155 (-54.64%)
Test#2 (FP)
27821
23408 (-15.86%)
Test#3 (Generic, ZIP)
6568
5335 (-18.77%)
Test#1 (Memory)
15004
4691 (-68.73%)
TOTAL
80598
47589 (-40.95%)

Multithread

i7-8700k

2400G
Test#1 (Integers)
202422
58145 (-71.28%)
Test#2 (FP)
186332
105393 (-43.44%)
Test#3 (Generic, ZIP)
44958
28910 (-35.70%)
Test#1 (Memory)
10054
5008 (-50.19%)
TOTAL
443765
197457 (-55.50%)

Performance/W
i7-8700k
2400G
Test#1 (Integers)
2131 points/W
895 points/W
Test#2 (FP)
1961 points/W
1621 points/W
Test#3 (Generic, ZIP)
473 points/W
445 points/W
Test#1 (Memory)
106 points/W
77 points/W
TOTAL
4671 points/W
3038 points/W

Performance/GHz
i7-8700k
2400G
Test#1 (Integers)
6639 points/GHz
3629 points/GHz
Test#2 (FP)
5919 points/GHz
6002 points/GHz
Test#3 (Generic, ZIP)
1397 points/GHz
1368 points/GHz
Test#1 (Memory)
3192 points/GHz
1203 points/GHz
TOTAL
17148 points/GHz
12202 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. 3.7.9