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Xeon E5-1660 v3 vs Ryzen 7 3800XT


Description
The E5-1660 v3 is based on Haswell architecture while the 3800XT is based on Zen 2.

Using the multithread performance as a reference, the E5-1660 v3 gets a score of 353 k points while the 3800XT gets 508.9 k points.

Summarizing, the 3800XT is 1.4 times faster than the E5-1660 v3. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306f2
870f10
Core
Haswell-EP
Matisse
Architecture
Base frecuency
3 GHz
3.9 GHz
Boost frecuency
3.5 GHz
4.7 GHz
Socket
LGA 2011-3
AM4
Cores/Threads
8/16
8/16
TDP
140 W
105 W
Cache L1 (d+i)
8x32+8x32 kB
8x32+8x32 kB
Cache L2
8x256 kB
8x512 kB
Cache L3
20480 kB
2x16384 kB
Date
September 2014
July 2020
Mean monothread perf.
41.31k points
78.2k points
Mean multithread perf.
352.96k points
508.89k points

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
E5-1660 v3
3800XT
Test#1 (Integers)
20.92k
17.57k (x0.84)
Test#2 (FP)
11.87k
27.38k (x2.31)
Test#3 (Generic, ZIP)
4.67k
9.35k (x2)
Test#1 (Memory)
3.85k
23.9k (x6.2)
TOTAL
41.31k
78.2k (x1.89)

Multithread

E5-1660 v3

3800XT
Test#1 (Integers)
174.59k
176.08k (x1.01)
Test#2 (FP)
116.47k
219.88k (x1.89)
Test#3 (Generic, ZIP)
44.79k
100k (x2.23)
Test#1 (Memory)
17.1k
12.93k (x0.76)
TOTAL
352.96k
508.89k (x1.44)

Performance/W
E5-1660 v3
3800XT
Test#1 (Integers)
1247 points/W
1677 points/W
Test#2 (FP)
832 points/W
2094 points/W
Test#3 (Generic, ZIP)
320 points/W
952 points/W
Test#1 (Memory)
122 points/W
123 points/W
TOTAL
2521 points/W
4847 points/W

Performance/GHz
E5-1660 v3
3800XT
Test#1 (Integers)
5977 points/GHz
3738 points/GHz
Test#2 (FP)
3391 points/GHz
5827 points/GHz
Test#3 (Generic, ZIP)
1333 points/GHz
1989 points/GHz
Test#1 (Memory)
1101 points/GHz
5085 points/GHz
TOTAL
11802 points/GHz
16638 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