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Core i7-8650U vs Engineering Sample 506E8 3GHz


Description
Both models i7-8650U and 506E8 3GHz are based on Kaby Lake architecture.

The first Kaby Lake CPU was released in August 2016. It uses a 14 nm process and was the first architecture in breaking the previous tick-tock model. Actually, it is not that different from the preceding Skylake: it has 64kB of L1 cache and 256kB L2 cache per core.

Using the multithread performance as a reference, the i7-8650U gets a score of 173.5 k points while the 506E8 3GHz gets 210.9 k points.

Summarizing, the 506E8 3GHz is 1.2 times faster than the i7-8650U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806ea
506e8
Core
Kaby Lake-R
Kaby Lake
Architecture
Base frecuency
1.9 GHz
3 GHz
Boost frecuency
4.2 GHz
3.5 GHz
Socket
BGA 1356
LGA 1151
Cores/Threads
4/8
4/8
TDP
15 W
- W
Cache L1 (d+i)
4x32+4x32 kB
4x32+4x32 kB
Cache L2
4x256 kB
4x256 kB
Cache L3
8192 kB
8192 kB
Date
August 2017
June 2016
Mean monothread perf.
55.86k points
58.05k points
Mean multithread perf.
173.49k points
210.91k 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
i7-8650U
506E8 3GHz
Test#1 (Integers)
21.61k
22.46k (x1.04)
Test#2 (FP)
19.69k
20.45k (x1.04)
Test#3 (Generic, ZIP)
4.61k
4.75k (x1.03)
Test#1 (Memory)
9.95k
10.39k (x1.04)
TOTAL
55.86k
58.05k (x1.04)

Multithread

i7-8650U

506E8 3GHz
Test#1 (Integers)
78.38k
92.69k (x1.18)
Test#2 (FP)
72.02k
90.45k (x1.26)
Test#3 (Generic, ZIP)
16.95k
22.02k (x1.3)
Test#1 (Memory)
6.15k
5.75k (x0.93)
TOTAL
173.49k
210.91k (x1.22)

Performance/W
i7-8650U
506E8 3GHz
Test#1 (Integers)
5225 points/W