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Core i7-4790 vs FX 8120


Description
The i7-4790 is based on Haswell architecture while the 8120 is based on Bulldozer.

Using the multithread performance as a reference, the i7-4790 gets a score of 150.1 k points while the 8120 gets 70.8 k points.

Summarizing, the i7-4790 is 2.1 times faster than the 8120. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306c3
600f12
Core
Haswell
Zambezi
Architecture
Base frecuency
3.6 GHz
3.1 GHz
Boost frecuency
4 GHz
4 GHz
Socket
LGA 1150
Socket AM3+
Cores/Threads
4/8
8/8
TDP
84 W
125 W
Cache L1 (d+i)
32+32 kB
4x64+8x16 kB
Cache L2
256 kB
4x2048 kB
Cache L3
8192 kB
8192 kB
Date
May 2014
October 2011
Mean monothread perf.
44.73k points
23.5k points
Mean multithread perf.
173.89k points
70.78k points

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
i7-4790
8120
Test#1 (Integers)
14.07k
9.31k (x0.66)
Test#2 (FP)
12.63k
6.85k (x0.54)
Test#3 (Generic, ZIP)
5.35k
2.77k (x0.52)
Test#1 (Memory)
4.98k
4.58k (x0.92)
TOTAL
37.03k
23.5k (x0.63)

Multithread

i7-4790

8120
Test#1 (Integers)
57.88k
25.84k (x0.45)
Test#2 (FP)
60.83k
28.49k (x0.47)
Test#3 (Generic, ZIP)
24.4k
13.84k (x0.57)
Test#1 (Memory)
6.95k
2.61k (x0.38)
TOTAL
150.07k
70.78k (x0.47)

Performance/W
i7-4790
8120
Test#1 (Integers)
689 points/W
207 points/W
Test#2 (FP)
724 points/W
228 points/W
Test#3 (Generic, ZIP)
291 points/W
111 points/W
Test#1 (Memory)
83 points/W
21 points/W
TOTAL
1786 points/W
566 points/W

Performance/GHz
i7-4790
8120
Test#1 (Integers)
3518 points/GHz
2327 points/GHz
Test#2 (FP)
3157 points/GHz
1712 points/GHz
Test#3 (Generic, ZIP)
1338 points/GHz
693 points/GHz
Test#1 (Memory)
1245 points/GHz
1144 points/GHz
TOTAL
9258 points/GHz
5876 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