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Core i5-1235U vs Engineering Sample 906EC


Description
The i5-1235U is based on Alder Lake architecture while the 906EC is based on Coffee Lake.

Using the multithread performance as a reference, the i5-1235U gets a score of 297.5 k points while the 906EC gets 494.2 k points.

Summarizing, the 906EC is 1.7 times faster than the i5-1235U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906a4
906ec
Core
Alder Lake-U
Coffee Lake-S
Architecture
Base frecuency
3.3 GHz
2.1 GHz
Boost frecuency
4.4 GHz
4.3 GHz
Socket
BGA 1700
LGA 1151
Cores/Threads
10/12
8/16
TDP
15 W
- W
Cache L1 (d+i)
2x32/8x64+2x48/8x32 kB
8x32+8x32 kB
Cache L2
1x1280+4x2048 kB
8x256 kB
Cache L3
12288 kB
16384 kB
Date
April 2022
January 2019
Mean monothread perf.
81.64k points
70.55k points
Mean multithread perf.
297.46k points
494.24k 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
i5-1235U
906EC
Test#1 (Integers)
36.73k
28.3k (x0.77)
Test#2 (FP)
22.09k
24.99k (x1.13)
Test#3 (Generic, ZIP)
11.24k
5.55k (x0.49)
Test#1 (Memory)
11.58k
11.71k (x1.01)
TOTAL
81.64k
70.55k (x0.86)

Multithread

i5-1235U

906EC
Test#1 (Integers)
130.18k
229.27k (x1.76)
Test#2 (FP)
110.21k
209.21k (x1.9)
Test#3 (Generic, ZIP)
50.76k
48.53k (x0.96)
Test#1 (Memory)
6.31k
7.23k (x1.15)
TOTAL
297.46k
494.24k (x1.66)

Performance/W
i5-1235U
906EC
Test#1 (Integers)
8679 points/W