Xeon E5-2651 v2 vs Core i7-4820K
Description
Both models E5-2651 v2 and i7-4820K are based on Ivy Bridge architecture.
"Ivy Bridge is the last Intel microarchitecture for which there is official driver support for Windows XP . It is made under 22 nm Tri-Gate transistor (""3D"") technology and is basically a Sandy Bridge shrink. It has PCI Express 3.0 support and RdRand instruction for security tasks."
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the i7-4820K gets 134.1 k points.
Summarizing, the E5-2651 v2 is 3.2 times faster than the i7-4820K . To get a proper comparison between both models, take a look to the data shown below.
"Ivy Bridge is the last Intel microarchitecture for which there is official driver support for Windows XP . It is made under 22 nm Tri-Gate transistor (""3D"") technology and is basically a Sandy Bridge shrink. It has PCI Express 3.0 support and RdRand instruction for security tasks."
Using the multithread performance as a reference, the E5-2651 v2 gets a score of 426.2 k points while the i7-4820K gets 134.1 k points.
Summarizing, the E5-2651 v2 is 3.2 times faster than the i7-4820K . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
306e4
306e4
Core
Ivy Bridge-EP
Ivy Bridge -E
Base frecuency
1.8 GHz
3.7 GHz
Boost frecuency
2.2 GHz
3.9 GHz
Socket
LGA 2011
LGA 1155
Cores/Threads
12/24
4/8
TDP
W
130 W
Cache L1 (d+i)
12x32+12x32 kB
32+32 kB
Cache L2
12x256 kB
256 kB
Cache L3
30720 kB
8192 kB
Date
October 2013
September 2013
Mean monothread perf.
17.75k points
32.49k points
Mean multithread perf.
426.18k points
134.08k points
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
E5-2651 v2
i7-4820K
Test#1 (Integers)
6.69k
11.85k (x1.77)
Test#2 (FP)
6.35k
11.84k (x1.86)
Test#3 (Generic, ZIP)
2.54k
4.69k (x1.85)
Test#1 (Memory)
2.17k
4.12k (x1.9)
TOTAL
17.75k
32.49k (x1.83)
Multithread
E5-2651 v2
i7-4820K
Test#1 (Integers)
165.17k
47.65k (x0.29)
Test#2 (FP)
176.85k
54.81k (x0.31)
Test#3 (Generic, ZIP)
73.91k
21.56k (x0.29)
Test#1 (Memory)
10.25k
10.05k (x0.98)
TOTAL
426.18k
134.08k (x0.31)
Performance/W
E5-2651 v2
i7-4820K
Test#1 (Integers)