Core i7-6500U vs Xeon E5-2651 v2
Description
The i7-6500U is based on Skylake architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the i7-6500U gets a score of 78.7 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 5.4 times faster than the i7-6500U. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-6500U gets a score of 78.7 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 5.4 times faster than the i7-6500U. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
406e3
306e4
Core
Skylake-U
Ivy Bridge-EP
Base frecuency
2.5 GHz
1.8 GHz
Boost frecuency
3.1 GHz
2.2 GHz
Socket
BGA1356
LGA 2011
Cores/Threads
2/4
12/24
TDP
15 W
W
Cache L1 (d+i)
2x32+2x32 kB
12x32+12x32 kB
Cache L2
4096 kB
12x256 kB
Cache L3
kB
30720 kB
Date
September 2015
October 2013
Mean monothread perf.
46.25k points
17.75k points
Mean multithread perf.
97.52k 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
i7-6500U
E5-2651 v2
Test#1 (Integers)
11.11k
6.75k (x0.61)
Test#2 (FP)
15.97k
6.05k (x0.38)
Test#3 (Generic, ZIP)
4.25k
2.61k (x0.61)
Test#1 (Memory)
5.66k
2.26k (x0.4)
TOTAL
36.99k
17.68k (x0.48)
Multithread
i7-6500U
E5-2651 v2
Test#1 (Integers)
23.1k
168.18k (x7.28)
Test#2 (FP)
36.73k
159.6k (x4.35)
Test#3 (Generic, ZIP)
9.99k
77.04k (x7.71)
Test#1 (Memory)
7k
10.19k (x1.46)
TOTAL
76.82k
415.01k (x5.4)
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
i7-6500U
E5-2651 v2
Test#1 (Integers)
11.09k
6.69k (x0.6)
Test#2 (FP)
17.1k
6.35k (x0.37)
Test#3 (Generic, ZIP)
4.12k
2.54k (x0.62)
Test#1 (Memory)
5.58k
2.17k (x0.39)
TOTAL
37.9k
17.75k (x0.47)
Multithread
i7-6500U
E5-2651 v2
Test#1 (Integers)
23.3k
165.17k (x7.09)
Test#2 (FP)
38.52k
176.85k (x4.59)
Test#3 (Generic, ZIP)
9.95k
73.91k (x7.43)
Test#1 (Memory)
6.95k
10.25k (x1.48)
TOTAL
78.72k
426.18k (x5.41)
Performance/W
i7-6500U
E5-2651 v2
Test#1 (Integers)
1553 points/W