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Core i7-3930K vs FX 8350


Description
The i7-3930K is based on Sandy Bridge architecture while the 8350 is based on Piledriver.

Using the multithread performance as a reference, the i7-3930K gets a score of 155.9 k points while the 8350 gets 118.1 k points.

Summarizing, the i7-3930K is 1.3 times faster than the 8350. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
206d7
600f20
Core
Sandy Bridge-E
Vishera
Architecture
Base frecuency
3.2 GHz
4 GHz
Boost frecuency
3.8 GHz
4.1 GHz
Socket
LGA 2011
Socket AM3+
Cores/Threads
6/12
8/8
TDP
130 W
125 W
Cache L1 (d+i)
32+32 kB
kB
Cache L2
256 kB
4x2048 kB
Cache L3
12288 kB
8192 kB
Date
November 2011
October 2012
Mean monothread perf.
27.76k points
28.16k points
Mean multithread perf.
155.86k points
118.14k 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
i7-3930K
8350
Test#1 (Integers)
10.08k
9.85k (x0.98)
Test#2 (FP)
9.06k
8.41k (x0.93)
Test#3 (Generic, ZIP)
4.45k
3.58k (x0.8)
Test#1 (Memory)
4.16k
6.32k (x1.52)
TOTAL
27.76k
28.16k (x1.01)

Multithread

i7-3930K

8350
Test#1 (Integers)
62.22k
44.93k (x0.72)
Test#2 (FP)
60.25k
45.21k (x0.75)
Test#3 (Generic, ZIP)
30.42k
22.81k (x0.75)
Test#1 (Memory)
2.97k
5.19k (x1.74)
TOTAL
155.86k
118.14k (x0.76)

Performance/W
i7-3930K
8350
Test#1 (Integers)
479 points/W
359 points/W
Test#2 (FP)
463 points/W
362 points/W
Test#3 (Generic, ZIP)
234 points/W
182 points/W
Test#1 (Memory)
23 points/W
42 points/W
TOTAL
1199 points/W
945 points/W

Performance/GHz
i7-3930K
8350
Test#1 (Integers)
2653 points/GHz
2402 points/GHz
Test#2 (FP)
2383 points/GHz
2050 points/GHz
Test#3 (Generic, ZIP)
1172 points/GHz
874 points/GHz
Test#1 (Memory)
1096 points/GHz
1541 points/GHz
TOTAL
7304 points/GHz
6867 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