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Engineering Sample 906EC vs Core i7-6900K


Description
The 906EC is based on Coffee Lake architecture while the i7-6900K is based on Broadwell.

Using the multithread performance as a reference, the 906EC gets a score of 494.2 k points while the i7-6900K gets 427.5 k points.

Summarizing, the 906EC is 1.2 times faster than the i7-6900K . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ec
406f1
Core
Coffee Lake-S
Broadwell-E
Architecture
Base frecuency
2.1 GHz
3.2 GHz
Boost frecuency
4.3 GHz
3.7 GHz
Socket
LGA 1151
LGA 2011-3
Cores/Threads
8/16
8/16
TDP
- W
140 W
Cache L1 (d+i)
8x32+8x32 kB
8x32+8x32 kB
Cache L2
8x256 kB
8x256 kB
Cache L3
16384 kB
20480 kB
Date
January 2019
September 2016
Mean monothread perf.
70.55k points
49.76k points
Mean multithread perf.
494.24k points
427.51k points

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
906EC
i7-6900K
Test#1 (Integers)
28.3k
23.11k (x0.82)
Test#2 (FP)
24.99k
17.84k (x0.71)
Test#3 (Generic, ZIP)
5.55k
5.34k (x0.96)
Test#1 (Memory)
11.71k
3.47k (x0.3)
TOTAL
70.55k
49.76k (x0.71)

Multithread

906EC

i7-6900K
Test#1 (Integers)
229.27k
184.19k (x0.8)
Test#2 (FP)
209.21k
181.2k (x0.87)
Test#3 (Generic, ZIP)
48.53k
47.44k (x0.98)
Test#1 (Memory)
7.23k
14.69k (x2.03)
TOTAL
494.24k
427.51k (x0.86)

Performance/W
906EC
i7-6900K
Test#1 (Integers)