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Core i9-9900K vs Xeon E5-2670 v3


Description
The i9-9900K is based on Coffee Lake architecture while the E5-2670 v3 is based on Haswell.

Using the multithread performance as a reference, the i9-9900K gets a score of 529.3 k points while the E5-2670 v3 gets 452.9 k points.

Summarizing, the i9-9900K is 1.2 times faster than the E5-2670 v3. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ed
306f2
Core
Coffee Lake-S
Haswell-EP
Architecture
Base frecuency
3.6 GHz
2.3 GHz
Boost frecuency
5 GHz
3.1 GHz
Socket
LGA 1151
LGA 2011-3
Cores/Threads
8/16
12/24
TDP
95 W
120 W
Cache L1 (d+i)
8x32+8x32 kB
12x32+12x32 kB
Cache L2
8x256 kB
12x256 kB
Cache L3
16384 kB
30720 kB
Date
October 2018
September 2014
Mean monothread perf.
81.91k points
36.41k points
Mean multithread perf.
529.32k points
452.9k 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
i9-9900K
E5-2670 v3
Test#1 (Integers)
5k
3.52k (x0.7)
Test#2 (FP)
20.22k
8.68k (x0.43)
Test#3 (Generic, ZIP)
6.54k
2.83k (x0.43)
Test#1 (Memory)
13.78k
3.13k (x0.23)
TOTAL
45.53k
18.17k (x0.4)

Multithread

i9-9900K

E5-2670 v3
Test#1 (Integers)
36.39k
32.7k (x0.9)
Test#2 (FP)
166.55k
105.18k (x0.63)
Test#3 (Generic, ZIP)
54.92k
35.18k (x0.64)
Test#1 (Memory)
8.96k
9.54k (x1.06)
TOTAL
266.82k
182.59k (x0.68)

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
i9-9900K
E5-2670 v3
Test#1 (Integers)
18.03k
11.08k (x0.61)
Test#2 (FP)
25.98k
9.57k (x0.37)
Test#3 (Generic, ZIP)
6.86k
3.18k (x0.46)
Test#1 (Memory)
14.5k
3.28k (x0.23)
TOTAL
65.37k
27.11k (x0.41)

Multithread

i9-9900K

E5-2670 v3
Test#1 (Integers)
131.34k
139.07k (x1.06)
Test#2 (FP)
204.76k
133.47k (x0.65)
Test#3 (Generic, ZIP)
55.74k
46.6k (x0.84)
Test#1 (Memory)
8.99k
6.65k (x0.74)
TOTAL
400.83k
325.78k (x0.81)

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
i9-9900K
E5-2670 v3
Test#1 (Integers)
17.98k
11.18k (x0.62)
Test#2 (FP)
27.04k
10.06k (x0.37)
Test#3 (Generic, ZIP)
6.63k
3.21k (x0.48)
Test#1 (Memory)
13.6k
3.12k (x0.23)
TOTAL
65.24k
27.57k (x0.42)

Multithread

i9-9900K

E5-2670 v3
Test#1 (Integers)
130.88k
140.98k (x1.08)
Test#2 (FP)
208.5k
145.37k (x0.7)
Test#3 (Generic, ZIP)
54.12k
45.62k (x0.84)
Test#1 (Memory)
8.91k
6.75k (x0.76)
TOTAL
402.41k
338.73k (x0.84)

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
i9-9900K
E5-2670 v3
Test#1 (Integers)
32.08k
18.62k (x0.58)
Test#2 (FP)
28.17k
10.49k (x0.37)
Test#3 (Generic, ZIP)
6.68k
4.04k (x0.6)
Test#1 (Memory)
14.98k
3.26k (x0.22)
TOTAL
81.91k
36.41k (x0.44)

Multithread

i9-9900K

E5-2670 v3
Test#1 (Integers)
242.98k
236.25k (x0.97)
Test#2 (FP)
220.16k
151.05k (x0.69)
Test#3 (Generic, ZIP)
53.97k
58.9k (x1.09)
Test#1 (Memory)
12.22k
6.7k (x0.55)
TOTAL
529.32k
452.9k (x0.86)

Performance/W
i9-9900K
E5-2670 v3
Test#1 (Integers)
2558 points/W
1969 points/W
Test#2 (FP)
2317 points/W
1259 points/W
Test#3 (Generic, ZIP)
568 points/W
491 points/W
Test#1 (Memory)
129 points/W
56 points/W
TOTAL
5572 points/W
3774 points/W

Performance/GHz
i9-9900K
E5-2670 v3
Test#1 (Integers)
6417 points/GHz
6006 points/GHz
Test#2 (FP)
5634 points/GHz
3385 points/GHz
Test#3 (Generic, ZIP)
1335 points/GHz
1303 points/GHz
Test#1 (Memory)
2996 points/GHz
1052 points/GHz
TOTAL
16382 points/GHz
11745 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