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Core i5-8265U vs i5-12500H


Description
The i5-8265U is based on Whiskey Lake architecture while the i5-12500H is based on Alder Lake.

Using the multithread performance as a reference, the i5-8265U gets a score of 149.5 k points while the i5-12500H gets 225.7 k points.

Summarizing, the i5-12500H is 1.5 times faster than the i5-8265U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806eb
906a3
Core
Whiskey Lake-U
Alder Lake-H
Architecture
Base frecuency
1.6 GHz
2.5 GHz
Boost frecuency
3.9 GHz
4.5 GHz
Socket
BGA 1528
BGA 1744
Cores/Threads
4/8
12/16
TDP
15 W
45 W
Cache L1 (d+i)
4x32+4x32 kB
4x32/8X64+4x48/8X32 kB
Cache L2
4x256 kB
4x1280/2x2048 kB
Cache L3
6144 kB
18432 kB
Date
August 2018
February 2022
Mean monothread perf.
57.57k points
58.37k points
Mean multithread perf.
149.48k points
225.65k 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
i5-8265U
i5-12500H
Test#1 (Integers)
24.32k
22.61k (x0.93)
Test#2 (FP)
20.35k
17.73k (x0.87)
Test#3 (Generic, ZIP)
4.38k
9.63k (x2.2)
Test#1 (Memory)
8.52k
8.4k (x0.99)
TOTAL
57.57k
58.37k (x1.01)

Multithread

i5-8265U

i5-12500H
Test#1 (Integers)
65.17k
85.49k (x1.31)
Test#2 (FP)
63.6k
94.93k (x1.49)
Test#3 (Generic, ZIP)
14.4k
39.15k (x2.72)
Test#1 (Memory)
6.31k
6.08k (x0.96)
TOTAL
149.48k
225.65k (x1.51)

Performance/W
i5-8265U
i5-12500H
Test#1 (Integers)
4345 points/W
1900 points/W
Test#2 (FP)
4240 points/W
2110 points/W
Test#3 (Generic, ZIP)
960 points/W
870 points/W
Test#1 (Memory)
421 points/W
135 points/W
TOTAL
9965 points/W
5014 points/W

Performance/GHz
i5-8265U
i5-12500H
Test#1 (Integers)
6235 points/GHz
5025 points/GHz
Test#2 (FP)
5219 points/GHz
3939 points/GHz
Test#3 (Generic, ZIP)
1124 points/GHz
2139 points/GHz
Test#1 (Memory)
2183 points/GHz
1867 points/GHz
TOTAL
14762 points/GHz
12971 points/GHz

Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.11.4