CPUBoss Review Our evaluation of 8300 vs 8140 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

FX 8300
8.4
FX 8140
6.3
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 8140
0.0
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 8140
0.0
FX 6300
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

FX 8300
0.0
FX 8140
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 8140
4.0
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 8140
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 8140
3.2
FX 6300
4.8

Winner
AMD FX 8300 

CPUBoss recommends the AMD FX 8300  based on its .

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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 8140.

Front view of AMD FX 8140

Reasons to consider the
AMD FX 8140

Report a correction

CPUBoss is not aware of any important advantages of the 8140 vs the 8300.

Benchmarks Real world tests of FX 8300 vs 8140

Cinebench R11.5

FX 8300
5.9
FX 8140
5.52

Cinebench R11.5 (Single Core)

FX 8300
1.02

PassMark Data courtesy Passmark

FX 8300
7,682
FX 8140
5,854

PassMark (Single Core)

FX 8300
1,396
FX 8140
972

Specifications Full list of technical specs

summary

FX 8300  vs
8140 
Clock speed 3.3 GHz 3.2 GHz
Turbo clock speed 4.2 GHz 3.6 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

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 10.58 pt/W 1.83 pt/W
Typical power consumption 77.19W 77.19W

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

details

FX 8300  vs
8140 
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 8 MB 8 MB
L3 cache per core 1 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 0.78 - 1.43V

overclocking

Overclocked clock speed 4.61 GHz 3.2 GHz
Overclocked clock speed (Water) 4.51 GHz 3.2 GHz
Overclocked clock speed (Air) 4.61 GHz 3.2 GHz

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
AMD FX 8300
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AMD FX 8140
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