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Core i5-2300 vs i3-1215U


Description
The i5-2300 is based on Sandy Bridge architecture while the i3-1215U is based on Alder Lake.

Using the multithread performance as a reference, the i5-2300 gets a score of 79.5 k points while the i3-1215U gets 129.6 k points.

Summarizing, the i3-1215U is 1.6 times faster than the i5-2300 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
206a7
906a4
Core
Sandy Bridge
Alder Lake-H
Architecture
Base frecuency
2.8 GHz
0.9 GHz
Boost frecuency
3.1 GHz
4.4 GHz
Socket
LGA 1155
BGA 1744
Cores/Threads
4/4
6/8
TDP
95 W
15 W
Cache L1 (d+i)
4x32+4x32 kB
2x32/4x64+2x48/4x32 kB
Cache L2
4x256 kB
2x1280+2x2048 kB
Cache L3
6144 kB
10240 kB
Date
May 2011
April 2022
Mean monothread perf.
24.53k points
80.34k points
Mean multithread perf.
79.46k points
185.6k 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
i5-2300
i3-1215U
Test#1 (Integers)
2.52k
6.95k (x2.76)
Test#2 (FP)
7.01k
16.28k (x2.32)
Test#3 (Generic, ZIP)
3.77k
10.49k (x2.78)
Test#1 (Memory)
4.22k
9.95k (x2.36)
TOTAL
17.53k
43.67k (x2.49)

Multithread

i5-2300

i3-1215U
Test#1 (Integers)
9.46k
14.97k (x1.58)
Test#2 (FP)
26.25k
51.01k (x1.94)
Test#3 (Generic, ZIP)
14.1k
30.47k (x2.16)
Test#1 (Memory)
3.13k
8.59k (x2.75)
TOTAL
52.93k
105.05k (x1.98)

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
i5-2300
i3-1215U
Test#1 (Integers)
8.65k
15.63k (x1.81)
Test#2 (FP)
7.8k
20.2k (x2.59)
Test#3 (Generic, ZIP)
3.92k
9.94k (x2.54)
Test#1 (Memory)
4.16k
8.06k (x1.94)
TOTAL
24.53k
53.83k (x2.19)

Multithread

i5-2300

i3-1215U
Test#1 (Integers)
32.45k
35.72k (x1.1)
Test#2 (FP)
29.25k
56.41k (x1.93)
Test#3 (Generic, ZIP)
14.64k
25k (x1.71)
Test#1 (Memory)
3.12k
12.48k (x3.99)
TOTAL
79.46k
129.6k (x1.63)

Performance/W
i5-2300
i3-1215U
Test#1 (Integers)
342 points/W
2381 points/W
Test#2 (FP)
308 points/W
3761 points/W
Test#3 (Generic, ZIP)
154 points/W
1667 points/W
Test#1 (Memory)
33 points/W
832 points/W
TOTAL
836 points/W
8640 points/W

Performance/GHz
i5-2300
i3-1215U
Test#1 (Integers)
2791 points/GHz
3553 points/GHz
Test#2 (FP)
2516 points/GHz
4591 points/GHz
Test#3 (Generic, ZIP)
1263 points/GHz
2260 points/GHz
Test#1 (Memory)
1343 points/GHz
1832 points/GHz
TOTAL
7912 points/GHz
12234 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