Core i7-6700K vs Xeon E5-2651 v2
Description
The i7-6700K is based on Skylake architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the i7-6700K gets a score of 197.1 k points while the E5-2651 v2 gets 415 k points.
Summarizing, the E5-2651 v2 is 2.1 times faster than the i7-6700K . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-6700K gets a score of 197.1 k points while the E5-2651 v2 gets 415 k points.
Summarizing, the E5-2651 v2 is 2.1 times faster than the i7-6700K . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
506e3
306e4
Core
Skylake-S
Ivy Bridge-EP
Base frecuency
4 GHz
1.8 GHz
Boost frecuency
4.2 GHz
2.2 GHz
Socket
LGA 1151
LGA 2011
Cores/Threads
4/8
12/24
TDP
95 W
W
Cache L1 (d+i)
4x32+4x32 kB
12x32+12x32 kB
Cache L2
256 kB
12x256 kB
Cache L3
8192 kB
30720 kB
Date
May 2015
October 2013
Mean monothread perf.
63.22k points
17.75k points
Mean multithread perf.
254.56k 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
i7-6700K
E5-2651 v2
Test#1 (Integers)
14.73k
6.75k (x0.46)
Test#2 (FP)
21.27k
6.05k (x0.28)
Test#3 (Generic, ZIP)
5.52k
2.61k (x0.47)
Test#1 (Memory)
6.32k
2.26k (x0.36)
TOTAL
47.84k
17.68k (x0.37)
Multithread
i7-6700K
E5-2651 v2
Test#1 (Integers)
61.09k
168.18k (x2.75)
Test#2 (FP)
99.17k
159.6k (x1.61)
Test#3 (Generic, ZIP)
26.57k
77.04k (x2.9)
Test#1 (Memory)
10.26k
10.19k (x0.99)
TOTAL
197.09k
415.01k (x2.11)
Performance/W
i7-6700K
E5-2651 v2
Test#1 (Integers)
643 points/W