Core i7-6600U vs Xeon E5-2651 v2
Description
The i7-6600U is based on Skylake architecture while the E5-2651 v2 is based on Ivy Bridge.
Using the multithread performance as a reference, the i7-6600U gets a score of 45.1 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 9.5 times faster than the i7-6600U. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-6600U gets a score of 45.1 k points while the E5-2651 v2 gets 426.2 k points.
Summarizing, the E5-2651 v2 is 9.5 times faster than the i7-6600U. 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
2.6 GHz
1.8 GHz
Boost frecuency
3.4 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
2x256 kB
12x256 kB
Cache L3
4096 kB
30720 kB
Date
September 2015
October 2013
Mean monothread perf.
39.73k points
17.75k points
Mean multithread perf.
79.22k 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
i7-6600U
E5-2651 v2
Test#1 (Integers)
6.76k
6.75k (x1)
Test#2 (FP)
9.58k
6.05k (x0.63)
Test#3 (Generic, ZIP)
2.46k
2.61k (x1.06)
Test#1 (Memory)
4.18k
2.26k (x0.54)
TOTAL
22.99k
17.68k (x0.77)
Multithread
i7-6600U
E5-2651 v2
Test#1 (Integers)
14.37k
168.18k (x11.7)
Test#2 (FP)
23.79k
159.6k (x6.71)
Test#3 (Generic, ZIP)
5.71k
77.04k (x13.5)
Test#1 (Memory)
4.29k
10.19k (x2.37)
TOTAL
48.16k
415.01k (x8.62)
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
i7-6600U
E5-2651 v2
Test#1 (Integers)
8.49k
6.69k (x0.79)
Test#2 (FP)
10.92k
6.35k (x0.58)
Test#3 (Generic, ZIP)
2.76k
2.54k (x0.92)
Test#1 (Memory)
4.93k
2.17k (x0.44)
TOTAL
27.1k
17.75k (x0.65)
Multithread
i7-6600U
E5-2651 v2
Test#1 (Integers)
14.11k
165.17k (x11.71)
Test#2 (FP)
20.05k
176.85k (x8.82)
Test#3 (Generic, ZIP)
6.17k
73.91k (x11.98)
Test#1 (Memory)
4.73k
10.25k (x2.17)
TOTAL
45.05k
426.18k (x9.46)
Performance/W
i7-6600U
E5-2651 v2
Test#1 (Integers)
940 points/W