Core i7-6600U vs i5-1235U
Description
The i7-6600U is based on Skylake architecture while the i5-1235U is based on Alder Lake.
Using the multithread performance as a reference, the i7-6600U gets a score of 79.2 k points while the i5-1235U gets 297.5 k points.
Summarizing, the i5-1235U is 3.8 times faster than the i7-6600U. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-6600U gets a score of 79.2 k points while the i5-1235U gets 297.5 k points.
Summarizing, the i5-1235U is 3.8 times faster than the i7-6600U. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
406e3
906a4
Core
Skylake-U
Alder Lake-U
Base frecuency
2.6 GHz
3.3 GHz
Boost frecuency
3.4 GHz
4.4 GHz
Socket
BGA1356
BGA 1700
Cores/Threads
2/4
10/12
TDP
15 W
15 W
Cache L1 (d+i)
2x32+2x32 kB
2x32/8x64+2x48/8x32 kB
Cache L2
2x256 kB
1x1280+4x2048 kB
Cache L3
4096 kB
12288 kB
Date
September 2015
April 2022
Mean monothread perf.
39.73k points
81.64k points
Mean multithread perf.
79.22k 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
i7-6600U
i5-1235U
Test#1 (Integers)
2.75k
7.33k (x2.67)
Test#2 (FP)
12.23k
18.27k (x1.49)
Test#3 (Generic, ZIP)
3.9k
12.8k (x3.28)
Test#1 (Memory)
5.61k
13.2k (x2.36)
TOTAL
24.48k
51.61k (x2.11)
Multithread
i7-6600U
i5-1235U
Test#1 (Integers)
5.23k
29.24k (x5.59)
Test#2 (FP)
25k
83.32k (x3.33)
Test#3 (Generic, ZIP)
8.98k
54.53k (x6.07)
Test#1 (Memory)
4.73k
4.99k (x1.05)
TOTAL
43.95k
172.07k (x3.92)
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
i7-6600U
i5-1235U
Test#1 (Integers)
6.76k
23.53k (x3.48)
Test#2 (FP)
9.58k
23.51k (x2.45)
Test#3 (Generic, ZIP)
2.46k
14.71k (x5.97)
Test#1 (Memory)
4.18k
13.24k (x3.17)
TOTAL
22.99k
74.99k (x3.26)
Multithread
i7-6600U
i5-1235U
Test#1 (Integers)
14.37k
106.07k (x7.38)
Test#2 (FP)
23.79k
115.88k (x4.87)
Test#3 (Generic, ZIP)
5.71k
60.53k (x10.61)
Test#1 (Memory)
4.29k
5.88k (x1.37)
TOTAL
48.16k
288.36k (x5.99)
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
i7-6600U
i5-1235U
Test#1 (Integers)
8.49k
23.03k (x2.71)
Test#2 (FP)
10.92k
24.11k (x2.21)
Test#3 (Generic, ZIP)
2.76k
13.9k (x5.03)
Test#1 (Memory)
4.93k
12.11k (x2.46)
TOTAL
27.1k
73.15k (x2.7)
Multithread
i7-6600U
i5-1235U
Test#1 (Integers)
14.11k
111.78k (x7.92)
Test#2 (FP)
20.05k
124.18k (x6.19)
Test#3 (Generic, ZIP)
6.17k
59.87k (x9.71)
Test#1 (Memory)
4.73k
5.76k (x1.22)
TOTAL
45.05k
301.58k (x6.69)
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
i7-6600U
i5-1235U
Test#1 (Integers)
16.72k
36.73k (x2.2)
Test#2 (FP)
14.7k
22.09k (x1.5)
Test#3 (Generic, ZIP)
3.4k
11.24k (x3.31)
Test#1 (Memory)
4.9k
11.58k (x2.36)
TOTAL
39.73k
81.64k (x2.06)
Multithread
i7-6600U
i5-1235U
Test#1 (Integers)
33.41k
130.18k (x3.9)
Test#2 (FP)
31.66k
110.21k (x3.48)
Test#3 (Generic, ZIP)
8.18k
50.76k (x6.2)
Test#1 (Memory)
5.97k
6.31k (x1.06)
TOTAL
79.22k
297.46k (x3.75)
Performance/W
i7-6600U
i5-1235U
Test#1 (Integers)
2227 points/W
8679 points/W
Test#2 (FP)
2111 points/W
7348 points/W
Test#3 (Generic, ZIP)
546 points/W
3384 points/W
Test#1 (Memory)
398 points/W
421 points/W
TOTAL
5282 points/W
19831 points/W
Performance/GHz
i7-6600U
i5-1235U
Test#1 (Integers)
4919 points/GHz
8349 points/GHz
Test#2 (FP)
4325 points/GHz
5020 points/GHz
Test#3 (Generic, ZIP)
999 points/GHz
2555 points/GHz
Test#1 (Memory)
1441 points/GHz
2631 points/GHz
TOTAL
11684 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