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Core i9-11900KB vs Engineering Sample 506E8


Description
The i9-11900KB is based on Tiger Lake architecture while the 506E8 is based on Kaby Lake.

Using the multithread performance as a reference, the i9-11900KB gets a score of 537.2 k points while the 506E8 gets 211.6 k points.

Summarizing, the i9-11900KB is 2.5 times faster than the 506E8. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806d1
506e8
Core
Tiger Lake-H
Kaby Lake
Architecture
Base frecuency
3.3 GHz
2.4 GHz
Boost frecuency
4.9 GHz
3.7 GHz
Socket
BGA 1787
LGA 1151
Cores/Threads
8/16
4/8
TDP
65 W
- W
Cache L1 (d+i)
8x32+8x48 kB
4x32+4x32 kB
Cache L2
8x1280 kB
4x256 kB
Cache L3
24576 kB
8192 kB
Date
July 2021
June 2016
Mean monothread perf.
63.79k points
56.39k points
Mean multithread perf.
537.18k points
211.6k 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
i9-11900KB
506E8
Test#1 (Integers)
24.09k
23.91k (x0.99)
Test#2 (FP)
19.54k
21.03k (x1.08)
Test#3 (Generic, ZIP)
8.48k
5.05k (x0.6)
Test#1 (Memory)
11.68k
6.4k (x0.55)
TOTAL
63.79k
56.39k (x0.88)

Multithread

i9-11900KB

506E8
Test#1 (Integers)
220.79k
95.3k (x0.43)
Test#2 (FP)
225.98k
91.94k (x0.41)
Test#3 (Generic, ZIP)
79.1k
22.06k (x0.28)
Test#1 (Memory)
11.32k
2.3k (x0.2)
TOTAL
537.18k
211.6k (x0.39)

Performance/W
i9-11900KB
506E8
Test#1 (Integers)
3397 points/W