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Core i5-1135G7 vs i3-1215U


Description
The i5-1135G7 is based on Tiger Lake architecture while the i3-1215U is based on Alder Lake.

Using the multithread performance as a reference, the i5-1135G7 gets a score of 237.5 k points while the i3-1215U gets 185.6 k points.

Summarizing, the i5-1135G7 is 1.3 times faster than the i3-1215U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
806c1
906a4
Core
Tiger Lake UP3
Alder Lake-H
Architecture
Base frecuency
2.4 GHz
0.9 GHz
Boost frecuency
4.2 GHz
4.4 GHz
Socket
BGA 1449
BGA 1744
Cores/Threads
4/8
6/8
TDP
28 W
15 W
Cache L1 (d+i)
4x32+4x48 kB
2x32/4x64+2x48/4x32 kB
Cache L2
4x1280 kB
2x1280+2x2048 kB
Cache L3
8192 kB
10240 kB
Date
September 2020
April 2022
Mean monothread perf.
68.08k points
80.34k points
Mean multithread perf.
237.55k 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
i5-1135G7
i3-1215U
Test#1 (Integers)
3.75k
6.95k (x1.85)
Test#2 (FP)
17.28k
16.28k (x0.94)
Test#3 (Generic, ZIP)
9.5k
10.49k (x1.1)
Test#1 (Memory)
8.81k
9.95k (x1.13)
TOTAL
39.34k
43.67k (x1.11)

Multithread

i5-1135G7

i3-1215U
Test#1 (Integers)
12.43k
14.97k (x1.2)
Test#2 (FP)
54.95k
51.01k (x0.93)
Test#3 (Generic, ZIP)
26.41k
30.47k (x1.15)
Test#1 (Memory)
7.38k
8.59k (x1.16)
TOTAL
101.16k
105.05k (x1.04)

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
i5-1135G7
i3-1215U
Test#1 (Integers)
13.43k
20.87k (x1.55)
Test#2 (FP)
22.29k
20.74k (x0.93)
Test#3 (Generic, ZIP)
11.18k
11.32k (x1.01)
Test#1 (Memory)
9.75k
8.32k (x0.85)
TOTAL
56.64k
61.26k (x1.08)

Multithread

i5-1135G7

i3-1215U
Test#1 (Integers)
40.24k
45.12k (x1.12)
Test#2 (FP)
65.99k
60.59k (x0.92)
Test#3 (Generic, ZIP)
28.51k
28.48k (x1)
Test#1 (Memory)
6.66k
14.06k (x2.11)
TOTAL
141.4k
148.26k (x1.05)

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
i5-1135G7
i3-1215U
Test#1 (Integers)
15.12k
15.63k (x1.03)
Test#2 (FP)
23.4k
20.2k (x0.86)
Test#3 (Generic, ZIP)
10.9k
9.94k (x0.91)
Test#1 (Memory)
9.41k
8.06k (x0.86)
TOTAL
58.83k
53.83k (x0.92)

Multithread

i5-1135G7

i3-1215U
Test#1 (Integers)
45.69k
35.72k (x0.78)
Test#2 (FP)
74.42k
56.41k (x0.76)
Test#3 (Generic, ZIP)
29.8k
25k (x0.84)
Test#1 (Memory)
7.16k
12.48k (x1.74)
TOTAL
157.08k
129.6k (x0.83)

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
i5-1135G7
i3-1215U
Test#1 (Integers)
25.91k
37.56k (x1.45)
Test#2 (FP)
23.39k
21.13k (x0.9)
Test#3 (Generic, ZIP)
10.08k
11.35k (x1.13)
Test#1 (Memory)
8.7k
10.31k (x1.19)
TOTAL
68.08k
80.34k (x1.18)

Multithread

i5-1135G7

i3-1215U
Test#1 (Integers)
94.51k
73.97k (x0.78)
Test#2 (FP)
99.21k
72.37k (x0.73)
Test#3 (Generic, ZIP)
33.35k
29.61k (x0.89)
Test#1 (Memory)
10.47k
9.65k (x0.92)
TOTAL
237.55k
185.6k (x0.78)

Performance/W
i5-1135G7
i3-1215U
Test#1 (Integers)
3375 points/W
4931 points/W
Test#2 (FP)
3543 points/W
4825 points/W
Test#3 (Generic, ZIP)
1191 points/W
1974 points/W
Test#1 (Memory)
374 points/W
643 points/W
TOTAL
8484 points/W
12374 points/W

Performance/GHz
i5-1135G7
i3-1215U
Test#1 (Integers)
6169 points/GHz
8535 points/GHz
Test#2 (FP)
5569 points/GHz
4802 points/GHz
Test#3 (Generic, ZIP)
2401 points/GHz
2579 points/GHz
Test#1 (Memory)
2071 points/GHz
2343 points/GHz
TOTAL
16210 points/GHz
18258 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