CPUBoss Review Our evaluation of 4340 vs 8320

Performance

Benchmark performance using all cores

Passmark and GeekBench (32-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Passmark (Overclocked), Unlocked, Maximum Overclocked Clock Speed (Air) and 1 more

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Core i3 4340 

CPUBoss recommends the Intel Core i3 4340  based on its .

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VS

Intel Core i3 4340

CPUBoss Winner
Front view of Intel Core i3 4340

Differences What are the advantages of each

Front view of Intel Core i3 4340

Reasons to consider the
Intel Core i3 4340

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Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Newer manufacturing process 22 nms vs 32 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 43.88W vs 101.56W 2.3x lower typical power consumption
Significantly better PassMark (Single core) score 2,115 vs 1,402 More than 50% better PassMark (Single core) score
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Significantly better performance per watt 15.93 pt/W vs 6.85 pt/W More than 2.2x better performance per watt
Much lower annual commercial energy cost 47.3 $/year vs 109.5 $/year 2.3x lower annual commercial energy cost
Much lower annual home energy cost 13.01 $/year vs 30.11 $/year 2.3x lower annual home energy cost
Marginally newer Jul, 2013 vs Oct, 2012 Release date 8 months later
Front view of AMD FX 8320

Reasons to consider the
AMD FX 8320

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Much more l2 cache 8 MB vs 0.5 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly more l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 2 6 more cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much better PassMark (Overclocked) score 9,317 vs 4,161.4 Around 2.2x better PassMark (Overclocked) score
Better PassMark score 8,183 vs 5,310 Around 55% better PassMark score
Better geekbench (32-bit) score 9,925 vs 6,680 Around 50% better geekbench (32-bit) score
Better overclocked clock speed (Air) 4.64 GHz vs 3.72 GHz Around 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.86 GHz vs 3.79 GHz Around 30% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i3 4340 vs FX 8320

GeekBench (32-bit)

Core i3 4340
6,680
FX 8320
9,925

GeekBench

Core i3 4340
6,680
FX 8320
11,631

Passmark

Core i3 4340
5,310
FX 8320
8,183
Core i3 4340 FX 8320 @ cpubenchmark.net

Passmark (Single Core)

Core i3 4340
2,115
FX 8320
1,402

Specifications Full list of technical specs

summary

Core i3 4340  vs
FX 8320 
Clock speed 3.6 GHz 3.5 GHz
Cores Dual core Octa core
Is unlocked No Yes
Is hyperthreaded Yes No

features

Has a NX bit Yes Yes
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
XOP
SSE3
FMA3
SSE2
FMA4
F16C
Supplemental SSE3
SSE4.1
SSE4
SSE4a
AVX 2.0
AES
SSE Family
FMA
Supports dynamic frequency scaling Yes Yes

gpu

GPU GPU None
Label Intel® HD Graphics 4600 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,150 MHz N/A

details

Core i3 4340  vs
FX 8320 
Architecture x86-64 x86-64
Threads 4 8
L2 cache 0.5 MB 8 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 4 MB 8 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 22 nms 32 nms
Max CPUs 1 1

overclocking

Overclocked clock speed 3.72 GHz 4.64 GHz
Overclocked clock speed (Water) 3.79 GHz 4.86 GHz
PassMark (Overclocked) 4,161.4 9,317
Overclocked clock speed (Air) 3.72 GHz 4.64 GHz

power consumption

TDP 54W 125W
Annual home energy cost 13.01 $/year 30.11 $/year
Annual commercial energy cost 47.3 $/year 109.5 $/year
Performance per watt 15.93 pt/W 6.85 pt/W
Typical power consumption 43.88W 101.56W
Intel Core i3 4340
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AMD FX 8320
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