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Core i5-11400T vs Ryzen 7 3800X


Description
The i5-11400T is based on Rocket Lake architecture while the 3800X is based on Zen 2.

Using the multithread performance as a reference, the i5-11400T gets a score of 67.1 k points while the 3800X gets 326.8 k points.

Summarizing, the 3800X is 4.9 times faster than the i5-11400T. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0671
870f10
Core
Rocket Lake-S
Matisse
Architecture
Base frecuency
1.3 GHz
3.9 GHz
Boost frecuency
3.7 GHz
4.5 GHz
Socket
LGA 1200
AM4
Cores/Threads
6/12
8/16
TDP
35 W
105 W
Cache L1 (d+i)
6x32+6x48 kB
8x32+8x32 kB
Cache L2
6x512 kB
8x512 kB
Cache L3
12288 kB
32768 kB
Date
March 2021
July 2019
Mean monothread perf.
31.39k points
75.81k points
Mean multithread perf.
67.1k points
497.74k 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
i5-11400T
3800X
Test#1 (Integers)
3.51k
4.47k (x1.28)
Test#2 (FP)
14.2k
17.41k (x1.23)
Test#3 (Generic, ZIP)
7.63k
8.23k (x1.08)
Test#1 (Memory)
6.06k
25.15k (x4.15)
TOTAL
31.39k
55.26k (x1.76)

Multithread

i5-11400T

3800X
Test#1 (Integers)
7.4k
36.1k (x4.88)
Test#2 (FP)
31.37k
178.65k (x5.7)
Test#3 (Generic, ZIP)
18.11k
95.98k (x5.3)
Test#1 (Memory)
10.23k
16.03k (x1.57)
TOTAL
67.1k
326.76k (x4.87)

Performance/W
i5-11400T
3800X
Test#1 (Integers)
211 points/W
344 points/W
Test#2 (FP)
896 points/W
1701 points/W
Test#3 (Generic, ZIP)
518 points/W
914 points/W
Test#1 (Memory)
292 points/W
153 points/W
TOTAL
1917 points/W
3112 points/W

Performance/GHz
i5-11400T
3800X
Test#1 (Integers)
948 points/GHz
994 points/GHz
Test#2 (FP)
3838 points/GHz
3869 points/GHz
Test#3 (Generic, ZIP)
2062 points/GHz
1829 points/GHz
Test#1 (Memory)
1637 points/GHz
5589 points/GHz
TOTAL
8485 points/GHz
12280 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