Xeon E5-2651 v2 vs Core i7-8700k
Description
The E5-2651 v2 is based on Ivy Bridge architecture while the i7-8700k is based on Coffee Lake.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the i7-8700k gets 339.8 k points.
Summarizing, the E5-2651 v2 is 1.3 times faster than the i7-8700k. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the i7-8700k gets 339.8 k points.
Summarizing, the E5-2651 v2 is 1.3 times faster than the i7-8700k. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306e4
906ea
Core
Ivy Bridge-EP
Coffee Lake-S
Base frecuency
1.8 GHz
3.7 GHz
Boost frecuency
2.2 GHz
4.7 GHz
Socket
LGA 2011
LGA 1151
Cores/Threads
12/24
6/12
TDP
W
95 W
Cache L1 (d+i)
12x32+12x32 kB
6x32+6x32 kB
Cache L2
12x256 kB
6x256 kB
Cache L3
30720 kB
12288 kB
Date
October 2013
October 2017
Mean monothread perf.
17.75k points
80.6k points
Mean multithread perf.
426.18k points
443.77k points
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
E5-2651 v2
i7-8700k
Test#1 (Integers)
6.75k
12.92k (x1.91)
Test#2 (FP)
6.05k
20.68k (x3.42)
Test#3 (Generic, ZIP)
2.61k
5.3k (x2.03)
Test#1 (Memory)
2.26k
12.59k (x5.56)
TOTAL
17.68k
51.48k (x2.91)
Multithread
E5-2651 v2
i7-8700k
Test#1 (Integers)
168.18k
94.26k (x0.56)
Test#2 (FP)
159.6k
152.55k (x0.96)
Test#3 (Generic, ZIP)
77.04k
39.74k (x0.52)
Test#1 (Memory)
10.19k
8.53k (x0.84)
TOTAL
415.01k
295.07k (x0.71)
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
E5-2651 v2
i7-8700k
Test#1 (Integers)
6.69k
16.87k (x2.52)
Test#2 (FP)
6.35k
26.12k (x4.11)
Test#3 (Generic, ZIP)
2.54k
6.33k (x2.49)
Test#1 (Memory)
2.17k
13.71k (x6.31)
TOTAL
17.75k
63.03k (x3.55)
Multithread
E5-2651 v2
i7-8700k
Test#1 (Integers)
165.17k
105.74k (x0.64)
Test#2 (FP)
176.85k
180.52k (x1.02)
Test#3 (Generic, ZIP)
73.91k
44.99k (x0.61)
Test#1 (Memory)
10.25k
8.51k (x0.83)
TOTAL
426.18k
339.77k (x0.8)
Performance/W
E5-2651 v2
i7-8700k
Test#1 (Integers)