Core i7-6820HQ vs i5-1235U
Description
The i7-6820HQ is based on Skylake architecture while the i5-1235U is based on Alder Lake.
Using the multithread performance as a reference, the i7-6820HQ gets a score of 205.9 k points while the i5-1235U gets 297.5 k points.
Summarizing, the i5-1235U is 1.4 times faster than the i7-6820HQ. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-6820HQ gets a score of 205.9 k points while the i5-1235U gets 297.5 k points.
Summarizing, the i5-1235U is 1.4 times faster than the i7-6820HQ. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
506e3
906a4
Core
Skylake-H
Alder Lake-U
Base frecuency
2.7 GHz
3.3 GHz
Boost frecuency
3.6 GHz
4.4 GHz
Socket
BGA1440
BGA 1700
Cores/Threads
4/8
10/12
TDP
45 W
15 W
Cache L1 (d+i)
4x32+4x32 kB
2x32/8x64+2x48/8x32 kB
Cache L2
4x256 kB
1x1280+4x2048 kB
Cache L3
8192 kB
12288 kB
Date
October 2015
April 2022
Mean monothread perf.
50.1k points
81.64k points
Mean multithread perf.
205.89k points
297.46k 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
i7-6820HQ
i5-1235U
Test#1 (Integers)
3.18k
7.33k (x2.31)
Test#2 (FP)
13.02k
18.27k (x1.4)
Test#3 (Generic, ZIP)
4.17k
12.8k (x3.07)
Test#1 (Memory)
6.93k
13.2k (x1.9)
TOTAL
27.3k
51.61k (x1.89)
Multithread
i7-6820HQ
i5-1235U
Test#1 (Integers)
13.26k
29.24k (x2.21)
Test#2 (FP)
62.23k
83.32k (x1.34)
Test#3 (Generic, ZIP)
20.34k
54.53k (x2.68)
Test#1 (Memory)
5.46k
4.99k (x0.91)
TOTAL
101.29k
172.07k (x1.7)
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
i7-6820HQ
i5-1235U
Test#1 (Integers)
11.54k
23.53k (x2.04)
Test#2 (FP)
16.69k
23.51k (x1.41)
Test#3 (Generic, ZIP)
4.51k
14.71k (x3.26)
Test#1 (Memory)
7.27k
13.24k (x1.82)
TOTAL
40.01k
74.99k (x1.87)
Multithread
i7-6820HQ
i5-1235U
Test#1 (Integers)
48.5k
106.07k (x2.19)
Test#2 (FP)
77.02k
115.88k (x1.5)
Test#3 (Generic, ZIP)
21.3k
60.53k (x2.84)
Test#1 (Memory)
5.24k
5.88k (x1.12)
TOTAL
152.06k
288.36k (x1.9)
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
i7-6820HQ
i5-1235U
Test#1 (Integers)
11.78k
23.03k (x1.95)
Test#2 (FP)
18.06k
24.11k (x1.34)
Test#3 (Generic, ZIP)
4.48k
13.9k (x3.1)
Test#1 (Memory)
7.12k
12.11k (x1.7)
TOTAL
41.44k
73.15k (x1.77)
Multithread
i7-6820HQ
i5-1235U
Test#1 (Integers)
49.46k
111.78k (x2.26)
Test#2 (FP)
84.8k
124.18k (x1.46)
Test#3 (Generic, ZIP)
20.7k
59.87k (x2.89)
Test#1 (Memory)
4.77k
5.76k (x1.21)
TOTAL
159.73k
301.58k (x1.89)
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
i7-6820HQ
i5-1235U
Test#1 (Integers)
20.99k
36.73k (x1.75)
Test#2 (FP)
18.63k
22.09k (x1.19)
Test#3 (Generic, ZIP)
4.33k
11.24k (x2.59)
Test#1 (Memory)
6.15k
11.58k (x1.88)
TOTAL
50.1k
81.64k (x1.63)
Multithread
i7-6820HQ
i5-1235U
Test#1 (Integers)
91.8k
130.18k (x1.42)
Test#2 (FP)
87.24k
110.21k (x1.26)
Test#3 (Generic, ZIP)
20.55k
50.76k (x2.47)
Test#1 (Memory)
6.3k
6.31k (x1)
TOTAL
205.89k
297.46k (x1.44)
Performance/W
i7-6820HQ
i5-1235U
Test#1 (Integers)
2040 points/W
8679 points/W
Test#2 (FP)
1939 points/W
7348 points/W
Test#3 (Generic, ZIP)
457 points/W
3384 points/W
Test#1 (Memory)
140 points/W
421 points/W
TOTAL
4575 points/W
19831 points/W
Performance/GHz
i7-6820HQ
i5-1235U
Test#1 (Integers)
5831 points/GHz
8349 points/GHz
Test#2 (FP)
5174 points/GHz
5020 points/GHz
Test#3 (Generic, ZIP)
1204 points/GHz
2555 points/GHz
Test#1 (Memory)
1708 points/GHz
2631 points/GHz
TOTAL
13917 points/GHz
18555 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4