CPUBoss Review Our evaluation of 3820 vs 8350

Performance

Benchmark performance using all cores
Core i7 3820
8.0
FX 8350
7.8
Cinebench R10 32-bit, Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance
Core i7 3820
8.7
FX 8350
8.0
Cinebench R10 32-bit (1-core) and Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?
Core i7 3820
8.2
FX 8350
9.7
Passmark (Overclocked), Unlocked, Maximum Overclocked Clock Speed (Air) and 2 more

Value

Are you paying a premium for performance?
Core i7 3820
6.5
FX 8350
7.3
Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value
Core i7 3820
8.2
FX 8350
8.0

Winner
Intel Core i7 3820 

CPUBoss recommends the Intel Core i7 3820  based on its .

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VS

Intel Core i7 3820

CPUBoss Winner
 Front view of Intel Core i7 3820
Front view of AMD FX 8350

AMD FX 8350

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Differences What are the advantages of each

Front view of Intel Core i7 3820

Reasons to consider the
Intel Core i7 3820

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Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
More l3 cache 10 MB vs 8 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 2.5 MB/core vs 1 MB/core 2.5x more l3 cache per core
Better 3DMark11 physics score 10,460 vs 6,880 More than 50% better 3DMark11 physics score
Better PassMark (Single core) score 1,938 vs 1,525 More than 25% better PassMark (Single core) score
Lower typical power consumption 139.6W vs 159.66W Around 15% lower typical power consumption
Better geekbench (64-bit) score 13,766 vs 12,168 Around 15% better geekbench (64-bit) score
Better cinebench r10 32Bit 1-core score 5,006 vs 4,338 More than 15% better cinebench r10 32Bit 1-core score
Lower annual home energy cost 49.49 $/year vs 56.1 $/year More than 10% lower annual home energy cost
Lower annual commercial energy cost 138.93 $/year vs 159.62 $/year Around 15% lower annual commercial energy cost
Front view of AMD FX 8350

Reasons to consider the
AMD FX 8350

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher turbo clock speed 4.2 GHz vs 3.8 GHz More than 10% higher turbo clock speed
Higher clock speed 4 GHz vs 3.6 GHz More than 10% higher clock speed
More cores 8 vs 4 Twice as many cores; run more applications at once
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 10,147 vs 5,531.8 Around 85% better PassMark (Overclocked) score
Better performance per dollar 6.58 pt/$ vs 4.23 pt/$ More than 55% better performance per dollar
Newer Oct, 2012 vs Feb, 2012 Release date 8 months later
Better overclocked clock speed (Water) 5.37 GHz vs 4.59 GHz More than 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 3820 vs FX 8350

GeekBench (32-bit)

Core i7 3820
12,549
FX 8350
10,976
browser.primatelabs.com

3D Mark 11 (Physics)

Core i7 3820
10,460
FX 8350
6,880
Core i7 3820 FX 8350 @ community.futuremark.com

Cinebench R10 32-Bit

Core i7 3820
23,387
FX 8350
22,674
Core i7 3820 FX 8350 @ anandtech.com

Cinebench R10 32-Bit (Single Core)

Core i7 3820
5,006
FX 8350
4,338
Core i7 3820 FX 8350 @ anandtech.com

Passmark

Core i7 3820
9,019
FX 8350
9,134
Core i7 3820 FX 8350 @ cpubenchmark.net

Passmark (Single Core)

Core i7 3820
1,938
FX 8350
1,525
cpubenchmark.net

Reviews Word on the street

Core i7 3820  vs FX 8350 
8.0
read review
6.0
read review
The Core i7-3820 has only four processing cores rather than six and thus can handle only eight threads rather than 12.
Core i7 3820
8.0
read review
8.0
read review
Predictably things are pretty close in terms of raw performance.
Core i7 3820

Overall
8.7 Out of 10
7.9 Out of 10

Specifications Full list of technical specs

summary

 Core i7 3820  vs
FX 8350 
Clock speed 3.6 GHz 4 GHz
Turbo clock speed 3.8 GHz 4.2 GHz
Cores Quad core Octa core
Socket type
LGA 2011
AM3+
Is unlocked Yes Yes
Is hyperthreaded Yes No

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

gpu
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

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
Channels Quad Channel Dual Channel
Maximum bandwidth 51,200 MB/s 29,866.66 MB/s

details

 Core i7 3820  vs
FX 8350 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 10 MB 8 MB
L3 cache per core 2.5 MB/core 1 MB/core
Manufacture process 32 nms 32 nms
Max CPUs 1 1

overclocking
Overclock popularity 142 709
Overclock review score 5 0.95
Overclocked clock speed 4.71 GHz 4.7 GHz
Overclocked clock speed (Water) 4.59 GHz 5.37 GHz
PassMark (Overclocked) 5,531.8 10,147
Overclocked clock speed (Air) 4.71 GHz 4.7 GHz

power consumption
TDP 130W 125W
Annual home energy cost 49.49 $/year 56.1 $/year
Annual commercial energy cost 138.93 $/year 159.62 $/year
Performance per watt 6.4 pt/W 4.97 pt/W
Idle power consumption 82.6W 92W
Peak power consumption 158.6W 182.21W
Typical power consumption 139.6W 159.66W
Intel Core i7 3820
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AMD FX 8350
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