Core i7-6700K vs Xeon E5-2670 v3
Description
The i7-6700K is based on Skylake architecture while the E5-2670 v3 is based on Haswell.
Using the multithread performance as a reference, the i7-6700K gets a score of 254.6 k points while the E5-2670 v3 gets 452.9 k points.
Summarizing, the E5-2670 v3 is 1.8 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 254.6 k points while the E5-2670 v3 gets 452.9 k points.
Summarizing, the E5-2670 v3 is 1.8 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
306f2
Core
Skylake-S
Haswell-EP
Base frecuency
4 GHz
2.3 GHz
Boost frecuency
4.2 GHz
3.1 GHz
Socket
LGA 1151
LGA 2011-3
Cores/Threads
4/8
12/24
TDP
95 W
120 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
September 2014
Mean monothread perf.
63.22k points
36.41k points
Mean multithread perf.
254.56k points
452.9k points
Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
i7-6700K
E5-2670 v3
Test#1 (Integers)
4.07k
3.52k (x0.86)
Test#2 (FP)
16.62k
8.68k (x0.52)
Test#3 (Generic, ZIP)
5.23k
2.83k (x0.54)
Test#1 (Memory)
6.28k
3.13k (x0.5)
TOTAL
32.2k
18.17k (x0.56)
Multithread
i7-6700K
E5-2670 v3
Test#1 (Integers)
16.37k
32.7k (x2)
Test#2 (FP)
77.34k
105.18k (x1.36)
Test#3 (Generic, ZIP)
25.65k
35.18k (x1.37)
Test#1 (Memory)
10.21k
9.54k (x0.93)
TOTAL
129.57k
182.59k (x1.41)
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
E5-2670 v3
Test#1 (Integers)
14.73k
11.08k (x0.75)
Test#2 (FP)
21.27k
9.57k (x0.45)
Test#3 (Generic, ZIP)
5.52k
3.18k (x0.58)
Test#1 (Memory)
6.32k
3.28k (x0.52)
TOTAL
47.84k
27.11k (x0.57)
Multithread
i7-6700K
E5-2670 v3
Test#1 (Integers)
61.09k
139.07k (x2.28)
Test#2 (FP)
99.17k
133.47k (x1.35)
Test#3 (Generic, ZIP)
26.57k
46.6k (x1.75)
Test#1 (Memory)
10.26k
6.65k (x0.65)
TOTAL
197.09k
325.78k (x1.65)
AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
i7-6700K
E5-2670 v3
Test#1 (Integers)
25.78k
18.62k (x0.72)
Test#2 (FP)
23.08k
10.49k (x0.45)
Test#3 (Generic, ZIP)
5.32k
4.04k (x0.76)
Test#1 (Memory)
9.03k
3.26k (x0.36)
TOTAL
63.22k
36.41k (x0.58)
Multithread
i7-6700K
E5-2670 v3
Test#1 (Integers)
112.83k
236.25k (x2.09)
Test#2 (FP)
106.86k
151.05k (x1.41)
Test#3 (Generic, ZIP)
25.76k
58.9k (x2.29)
Test#1 (Memory)
9.12k
6.7k (x0.74)
TOTAL
254.56k
452.9k (x1.78)
Performance/W
i7-6700K
E5-2670 v3
Test#1 (Integers)
1188 points/W
1969 points/W
Test#2 (FP)
1125 points/W
1259 points/W
Test#3 (Generic, ZIP)
271 points/W
491 points/W
Test#1 (Memory)
96 points/W
56 points/W
TOTAL
2680 points/W
3774 points/W
Performance/GHz
i7-6700K
E5-2670 v3
Test#1 (Integers)
6139 points/GHz
6006 points/GHz
Test#2 (FP)
5495 points/GHz
3385 points/GHz
Test#3 (Generic, ZIP)
1268 points/GHz
1303 points/GHz
Test#1 (Memory)
2150 points/GHz
1052 points/GHz
TOTAL
15052 points/GHz
11745 points/GHz
Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.
Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.
Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.
Test#1 (Integers) [points vs time]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.
If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.
If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.
Test#1 (Integers) [points vs time]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4