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Core i5-10400T vs i5-11400T


Description
The i5-10400T is based on Comet Lake architecture while the i5-11400T is based on Rocket Lake.

Using the multithread performance as a reference, the i5-10400T gets a score of 153.5 k points while the i5-11400T gets 67.1 k points.

Summarizing, the i5-10400T is 2.3 times faster than the i5-11400T. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0653
a0671
Core
Comet Lake-S
Rocket Lake-S
Architecture
Base frecuency
2 GHz
1.3 GHz
Boost frecuency
3.6 GHz
3.7 GHz
Socket
FC-LGA 1200
LGA 1200
Cores/Threads
6/12
6/12
TDP
35 W
35 W
Cache L1 (d+i)
6x32+6x32 kB
6x32+6x48 kB
Cache L2
6x256 kB
6x512 kB
Cache L3
12288 kB
12288 kB
Date
April 2020
March 2021
Mean monothread perf.
57.85k points
31.39k points
Mean multithread perf.
307.18k points
67.1k 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
i5-10400T
i5-11400T
Test#1 (Integers)
4k
3.51k (x0.88)
Test#2 (FP)
14.19k
14.2k (x1)
Test#3 (Generic, ZIP)
4.62k
7.63k (x1.65)
Test#1 (Memory)
11.03k
6.06k (x0.55)
TOTAL
33.84k
31.39k (x0.93)

Multithread

i5-10400T

i5-11400T
Test#1 (Integers)
22.77k
7.4k (x0.32)
Test#2 (FP)
96.59k
31.37k (x0.32)
Test#3 (Generic, ZIP)
31.65k
18.11k (x0.57)
Test#1 (Memory)
2.45k
10.23k (x4.17)
TOTAL
153.46k
67.1k (x0.44)

Performance/W
i5-10400T
i5-11400T
Test#1 (Integers)
650 points/W
211 points/W
Test#2 (FP)
2760 points/W
896 points/W
Test#3 (Generic, ZIP)
904 points/W
518 points/W
Test#1 (Memory)
70 points/W
292 points/W
TOTAL
4384 points/W
1917 points/W

Performance/GHz
i5-10400T
i5-11400T
Test#1 (Integers)
1112 points/GHz
948 points/GHz
Test#2 (FP)
3942 points/GHz
3838 points/GHz
Test#3 (Generic, ZIP)
1283 points/GHz
2062 points/GHz
Test#1 (Memory)
3064 points/GHz
1637 points/GHz
TOTAL
9401 points/GHz
8485 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