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Core i5-12500H vs i7-6500U


Description
The i5-12500H is based on Alder Lake architecture while the i7-6500U is based on Skylake.

Using the multithread performance as a reference, the i5-12500H gets a score of 225.7 k points while the i7-6500U gets 97.5 k points.

Summarizing, the i5-12500H is 2.3 times faster than the i7-6500U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906a3
406e3
Core
Alder Lake-H
Skylake-U
Architecture
Base frecuency
2.5 GHz
2.5 GHz
Boost frecuency
4.5 GHz
3.1 GHz
Socket
BGA 1744
BGA1356
Cores/Threads
12/16
2/4
TDP
45 W
15 W
Cache L1 (d+i)
4x32/8X64+4x48/8X32 kB
2x32+2x32 kB
Cache L2
4x1280/2x2048 kB
4096 kB
Cache L3
18432 kB
kB
Date
February 2022
September 2015
Mean monothread perf.
58.37k points
46.25k points
Mean multithread perf.
225.65k points
97.52k points

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
i5-12500H
i7-6500U
Test#1 (Integers)
6.93k
2.98k (x0.43)
Test#2 (FP)
18.76k
12.19k (x0.65)
Test#3 (Generic, ZIP)
9.46k
3.91k (x0.41)
Test#1 (Memory)
8.17k
5.3k (x0.65)
TOTAL
43.33k
24.37k (x0.56)

Multithread

i5-12500H

i7-6500U
Test#1 (Integers)
18.04k
6.1k (x0.34)
Test#2 (FP)
66.78k
28.73k (x0.43)
Test#3 (Generic, ZIP)
37.55k
9.56k (x0.25)
Test#1 (Memory)
6.08k
6.71k (x1.1)
TOTAL
128.45k
51.09k (x0.4)

SSE3 optimized benchmark
The benchmark in mode I (SSE) is optimized for the use of SIMD instructions with 128 bits register and the SSE set up to version 3. Nearly every modern CPU has support for this mode.
Monothread
i5-12500H
i7-6500U
Test#1 (Integers)
21.93k
11.11k (x0.51)
Test#2 (FP)
18.79k
15.97k (x0.85)
Test#3 (Generic, ZIP)
10.5k
4.25k (x0.4)
Test#1 (Memory)
8.11k
5.66k (x0.7)
TOTAL
59.33k
36.99k (x0.62)

Multithread

i5-12500H

i7-6500U
Test#1 (Integers)
61.07k
23.1k (x0.38)
Test#2 (FP)
86.08k
36.73k (x0.43)
Test#3 (Generic, ZIP)
41.08k
9.99k (x0.24)
Test#1 (Memory)
6.02k
7k (x1.16)
TOTAL
194.25k
76.82k (x0.4)

AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i5-12500H
i7-6500U
Test#1 (Integers)
21.11k
11.09k (x0.53)
Test#2 (FP)
19.61k
17.1k (x0.87)
Test#3 (Generic, ZIP)
9.53k
4.12k (x0.43)
Test#1 (Memory)
7.72k
5.58k (x0.72)
TOTAL
57.97k
37.9k (x0.65)

Multithread

i5-12500H

i7-6500U
Test#1 (Integers)
61.44k
23.3k (x0.38)
Test#2 (FP)
93.66k
38.52k (x0.41)
Test#3 (Generic, ZIP)
40.09k
9.95k (x0.25)
Test#1 (Memory)
6.01k
6.95k (x1.16)
TOTAL
201.2k
78.72k (x0.39)

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
i5-12500H
i7-6500U
Test#1 (Integers)
22.61k
19.47k (x0.86)
Test#2 (FP)
17.73k
17.58k (x0.99)
Test#3 (Generic, ZIP)
9.63k
4.05k (x0.42)
Test#1 (Memory)
8.4k
5.15k (x0.61)
TOTAL
58.37k
46.25k (x0.79)

Multithread

i5-12500H

i7-6500U
Test#1 (Integers)
85.49k
42.05k (x0.49)
Test#2 (FP)
94.93k
40.2k (x0.42)
Test#3 (Generic, ZIP)
39.15k
9.4k (x0.24)
Test#1 (Memory)
6.08k
5.86k (x0.96)
TOTAL
225.65k
97.52k (x0.43)

Performance/W
i5-12500H
i7-6500U
Test#1 (Integers)
1900 points/W
2803 points/W
Test#2 (FP)
2110 points/W
2680 points/W
Test#3 (Generic, ZIP)
870 points/W
626 points/W
Test#1 (Memory)
135 points/W
391 points/W
TOTAL
5014 points/W
6501 points/W

Performance/GHz
i5-12500H
i7-6500U
Test#1 (Integers)
5025 points/GHz
6279 points/GHz
Test#2 (FP)
3939 points/GHz
5672 points/GHz
Test#3 (Generic, ZIP)
2139 points/GHz
1305 points/GHz
Test#1 (Memory)
1867 points/GHz
1662 points/GHz
TOTAL
12971 points/GHz
14918 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