Intel Core i7 3820 vs AMD FX 8350

older Released February, 2012

Intel Core i7 3820

3.6 GHz
Quad core
Unlocked

Front view of Intel Core i7 3820

5.7 Out of 10

The performance of the Intel Core i7-3820 was significantly better thanks to overclocking as one could imagine.

by Legit Reviews (Feb, 2012)

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older Released October, 2012

AMD FX 8350

4 GHz
Octa core
Unlocked

Front view of AMD FX 8350

6 Out of 10

Maybe not the top-end eight-core FX-8150, but the great value and overclocking capabilities of the six-core FX-6200 made it a tantalising prospect for anyone on a budget looking to put together a gaming rig.

by Tech Radar (Nov, 2012)

	Performance
	Benchmark performance using all cores
Core i7 3820 7.4 FX 8350 7.3 Core i7 3770K 8.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Core i7 3820 7.3 FX 8350 5.9 Core i7 3770K 7.8
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Core i7 3820 0.0 FX 8350 0.0 Core i7 3770K 6.6
Fire Strike

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Core i7 3820 0.0 FX 8350 0.0 Core i7 3770K 6.9
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Core i7 3820 5.8 FX 8350 5.6 Core i7 3770K 9.7
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Core i7 3820 5.7 FX 8350 7.3 Core i7 3770K 6.5
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

6	CPUBoss Score
	Combination of all six facets
Core i7 3820 5.7 FX 8350 6.0 Core i7 3770K 9.0

Winner
Intel Core i7 3820

CPUBoss recommends the Intel Core i7 3820 based on its .

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Intel Core i7 3820

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AMD FX 8350

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Front view of Intel Core i7 3820

Reasons to consider the
Intel Core i7 3820

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CPUBoss is not aware of any important advantages of the Intel Core i7 3820 vs the AMD FX 8350.

Front view of AMD FX 8350

Reasons to consider the
AMD FX 8350

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CPUBoss is not aware of any important advantages of the AMD FX 8350 vs the Intel Core i7 3820.

GeekBench 3 (Multi-core) Data courtesy Primate Labs

12,538

11,483

GeekBench 3 (Single core) Data courtesy Primate Labs

3,098

2,193

GeekBench 3 (AES single core) Data courtesy Primate Labs

2,500,000 MB/s

2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

12,550

10,956

GeekBench (64-bit) Data courtesy Primate Labs

13,644

12,126

GeekBench

15,655

12,796

PassMark Data courtesy Passmark

8,993

9,134

PassMark (Single Core)

1,942

1,525

Core i7 3820		vs	FX 8350

	8.0 read review		6.0 read review	But compared with the Core i7-3830K, you won’t see much of a difference in single-threaded applications: Both chips scored the same (1.53) in the CineBench R11.5 single-core test, showing where you can save money if you don’t heavily depend on highly threaded programs. 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

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
features
Has a NX bit	Yes		Yes
Has virtualization support	Yes		Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
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
memory controller
Memory controller	Built-in		Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels	Quad Channel		Dual Channel
Supports ECC	No		Yes
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 nm		32 nm
Transistor count	1,270,000,000		1,200,000,000
Max CPUs	1		1
Clock multiplier	36		21
Voltage range	0.6 - 1.35V		0.81 - 1.45V
Operating temperature	Unknown - 66.8°C		Unknown - 61°C
overclocking
Overclock popularity	142		709
Overclock review score	5		0.95
Overclocked clock speed	4.7 GHz		4.72 GHz
Overclocked clock speed (Water)	4.73 GHz		8.79 GHz
PassMark (Overclocked)	5,531.8		10,147
Overclocked clock speed (Air)	4.7 GHz		4.72 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	6.81 pt/W		5.72 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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