| | | | | | |

Core i7-11700 vs Ryzen 9 3900X


Description
The i7-11700 is based on Rocket Lake architecture while the 3900X is based on Zen 2.

Using the multithread performance as a reference, the i7-11700 gets a score of 729 k points while the 3900X gets 756.3 k points.

Summarizing, the 3900X is 1 times faster than the i7-11700. 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
2.5 GHz
3.8 GHz
Boost frecuency
4.9 GHz
4.6 GHz
Socket
LGA 1200
AM4
Cores/Threads
8/16
12/24
TDP
65 W
105 W
Cache L1 (d+i)
8x32+8x48 kB
12x32+12x32 kB
Cache L2
8x512 kB
12x512 kB
Cache L3
16384 kB
4x16384 kB
Date
March 2021
July 2019
Mean monothread perf.
98.87k points
72.51k points
Mean multithread perf.
728.98k points
756.3k 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
i7-11700
3900X
Test#1 (Integers)
5.48k
4.46k (x0.81)
Test#2 (FP)
20.99k
18.46k (x0.88)
Test#3 (Generic, ZIP)
12.58k
8.05k (x0.64)
Test#1 (Memory)
21.24k
23.71k (x1.12)
TOTAL
60.28k
54.68k (x0.91)

Multithread

i7-11700

3900X
Test#1 (Integers)
44.15k
52.65k (x1.19)
Test#2 (FP)
196.6k
265.41k (x1.35)
Test#3 (Generic, ZIP)
102.57k
140.78k (x1.37)
Test#1 (Memory)
10.64k
46.91k (x4.41)
TOTAL
353.96k
505.76k (x1.43)

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
i7-11700
3900X
Test#1 (Integers)
18.05k
17.35k (x0.96)
Test#2 (FP)
26.13k
25.87k (x0.99)
Test#3 (Generic, ZIP)
13.92k
8.72k (x0.63)
Test#1 (Memory)
21.22k
27.86k (x1.31)
TOTAL
79.32k
79.8k (x1.01)

Multithread

i7-11700

3900X
Test#1 (Integers)
160.49k
201.57k (x1.26)
Test#2 (FP)
225.25k
284.41k (x1.26)
Test#3 (Generic, ZIP)
113.88k
145.16k (x1.27)
Test#1 (Memory)
10.64k
100.56k (x9.45)
TOTAL
510.25k
731.7k (x1.43)

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
i7-11700
3900X
Test#1 (Integers)
18.96k
16.95k (x0.89)
Test#2 (FP)
28.34k
25.37k (x0.9)
Test#3 (Generic, ZIP)
13.26k
9.23k (x0.7)
Test#1 (Memory)
20.2k
24.83k (x1.23)
TOTAL
80.76k
76.38k (x0.95)

Multithread

i7-11700

3900X
Test#1 (Integers)
164.31k
196.31k (x1.19)
Test#2 (FP)
253.96k
290.5k (x1.14)
Test#3 (Generic, ZIP)
115.28k
143.95k (x1.25)
Test#1 (Memory)
10.65k
64.92k (x6.1)
TOTAL
544.2k
695.69k (x1.28)

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
i7-11700
3900X
Test#1 (Integers)
35.12k
16.73k (x0.48)
Test#2 (FP)
29.24k
24.74k (x0.85)
Test#3 (Generic, ZIP)
12.56k
8.82k (x0.7)
Test#1 (Memory)
21.95k
22.22k (x1.01)
TOTAL
98.87k
72.51k (x0.73)

Multithread

i7-11700

3900X
Test#1 (Integers)
304k
248.24k (x0.82)
Test#2 (FP)
304.7k
309.66k (x1.02)
Test#3 (Generic, ZIP)
109.64k
140.01k (x1.28)
Test#1 (Memory)
10.64k
58.39k (x5.49)
TOTAL
728.98k
756.3k (x1.04)

Performance/W
i7-11700
3900X
Test#1 (Integers)
4677 points/W
2364 points/W
Test#2 (FP)
4688 points/W
2949 points/W
Test#3 (Generic, ZIP)
1687 points/W
1333 points/W
Test#1 (Memory)
164 points/W
556 points/W
TOTAL
11215 points/W
7203 points/W

Performance/GHz
i7-11700
3900X
Test#1 (Integers)
7168 points/GHz
3638 points/GHz
Test#2 (FP)
5967 points/GHz
5377 points/GHz
Test#3 (Generic, ZIP)
2563 points/GHz
1917 points/GHz
Test#1 (Memory)
4479 points/GHz
4831 points/GHz
TOTAL
20177 points/GHz
15763 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