CPUBoss Review Our evaluation of 8300 vs 8120 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

FX 8300
8.4
FX 8120
6.6
FX 6300
6.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

FX 8300
5.1
FX 8120
0.6
FX 6300
4.9
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

FX 8300
0.0
FX 8120
0.0
FX 6300
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

FX 8300
0.0
FX 8120
0.0
FX 6300
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

FX 8300
5.6
FX 8120
3.8
FX 6300
5.0
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

FX 8300
n.d.
FX 8120
n.d.
FX 6300
5.8
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5.1

CPUBoss Score

Combination of all six facets

FX 8300
5.1
FX 8120
3.3
FX 6300
4.8

Winner
AMD FX 8300 

CPUBoss recommends the AMD FX 8300  based on its .

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VS

Differences What are the advantages of each

Front view of AMD FX 8300

Reasons to consider the
AMD FX 8300

Report a correction

CPUBoss is not aware of any important advantages of the 8300 vs the 8120 Black Edition.

Front view of AMD FX 8120

Reasons to consider the
AMD FX 8120

Report a correction

CPUBoss is not aware of any important advantages of the 8120 Black Edition vs the 8300.

Benchmarks Real world tests of FX 8300 vs 8120

GeekBench 3 (Multi-core) Data courtesy Primate Labs

FX 8300
10,502
FX 8120
8,832

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 8300
2,159
FX 8120
1,907

GeekBench 3 (AES single core) Data courtesy Primate Labs

FX 8300
2,420,000 MB/s
FX 8120
2,200,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

FX 8300
9,123
FX 8120
8,516

GeekBench (64-bit) Data courtesy Primate Labs

FX 8300
10,686
FX 8120
10,115

GeekBench

FX 8300
10,686
FX 8120
10,128

PassMark Data courtesy Passmark

FX 8300
7,682
FX 8120
6,587

PassMark (Single Core)

FX 8300
1,396
FX 8120
1,214

Specifications Full list of technical specs

summary

FX 8300  vs
8120 
Clock speed 3.3 GHz 3.1 GHz
Turbo clock speed 4.2 GHz 4 GHz
Cores Octa core Octa core
Socket type
AM3+
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

details

FX 8300  vs
8120 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 8 MB 8 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 0 MB 8 MB
L3 cache per core 0 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,200,000,000 1,200,000,000
Max CPUs 1 1
Die size 319 mm² 319 mm²
Clock multiplier 21 20
Voltage range 0.82 - 1.43V 1.11 - 1.38V
Operating temperature Unknown - 70.5°C Unknown - 61°C

overclocking

Overclocked clock speed 4.61 GHz 4.47 GHz
Overclocked clock speed (Water) 4.51 GHz 4.73 GHz
Overclocked clock speed (Air) 4.61 GHz 4.47 GHz

power consumption

TDP 95W 125W
Annual home energy cost 22.89 $/year 46.87 $/year
Annual commercial energy cost 83.22 $/year 109.5 $/year
Performance per watt 10.58 pt/W 7.23 pt/W
Typical power consumption 77.19W 117.5W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 29,866.66 MB/s 29,866.66 MB/s
AMD FX 8300
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AMD FX 8120
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