Core i9-9900K vs Xeon E5-2651 v2
Description
The i9-9900K is based on Coffee Lake architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the i9-9900K gets a score of 402.4 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 1.1 times faster than the i9-9900K. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i9-9900K gets a score of 402.4 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 1.1 times faster than the i9-9900K. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
906ed
306e4
Core
Coffee Lake-S
Ivy Bridge-EP
Base frecuency
3.6 GHz
1.8 GHz
Boost frecuency
5 GHz
2.2 GHz
Socket
LGA 1151
LGA 2011
Cores/Threads
8/16
12/24
TDP
95 W
W
Cache L1 (d+i)
8x32+8x32 kB
12x32+12x32 kB
Cache L2
8x256 kB
12x256 kB
Cache L3
16384 kB
30720 kB
Date
October 2018
October 2013
Mean monothread perf.
81.91k points
17.75k points
Mean multithread perf.
529.32k points
426.18k 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
i9-9900K
E5-2651 v2
Test#1 (Integers)
18.03k
6.75k (x0.37)
Test#2 (FP)
25.98k
6.05k (x0.23)
Test#3 (Generic, ZIP)
6.86k
2.61k (x0.38)
Test#1 (Memory)
14.5k
2.26k (x0.16)
TOTAL
65.37k
17.68k (x0.27)
Multithread
i9-9900K
E5-2651 v2
Test#1 (Integers)
131.34k
168.18k (x1.28)
Test#2 (FP)
204.76k
159.6k (x0.78)
Test#3 (Generic, ZIP)
55.74k
77.04k (x1.38)
Test#1 (Memory)
8.99k
10.19k (x1.13)
TOTAL
400.83k
415.01k (x1.04)
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
i9-9900K
E5-2651 v2
Test#1 (Integers)
17.98k
6.69k (x0.37)
Test#2 (FP)
27.04k
6.35k (x0.23)
Test#3 (Generic, ZIP)
6.63k
2.54k (x0.38)
Test#1 (Memory)
13.6k
2.17k (x0.16)
TOTAL
65.24k
17.75k (x0.27)
Multithread
i9-9900K
E5-2651 v2
Test#1 (Integers)
130.88k
165.17k (x1.26)
Test#2 (FP)
208.5k
176.85k (x0.85)
Test#3 (Generic, ZIP)
54.12k
73.91k (x1.37)
Test#1 (Memory)
8.91k
10.25k (x1.15)
TOTAL
402.41k
426.18k (x1.06)
Performance/W
i9-9900K
E5-2651 v2
Test#1 (Integers)
1378 points/W