CPUBoss Review Our evaluation of 3280 vs 4100 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

FX 4100
n.d.
FX 6300
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6.3

CPUBoss Score

Combination of all six facets

Winner
AMD FX 4100 

CPUBoss recommends the AMD FX 4100  based on its single-core performance.

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VS

Differences What are the advantages of each

Front view of AMD Opteron 3280

Reasons to consider the
AMD Opteron 3280

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Much more l2 cache 8 MB vs 4 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
Significantly better performance per watt 10.33 pt/W vs 6.46 pt/W Around 60% better performance per watt
More threads 8 vs 4 Twice as many threads
Much lower annual home energy cost 15.66 $/year vs 34.18 $/year 2.2x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 114.41 $/year 2x lower annual commercial energy cost
Better PassMark score 5,330 vs 4,051 More than 30% better PassMark score
Newer Mar, 2012 vs Oct, 2011 Release date 5 months later
Front view of AMD FX 4100

Reasons to consider the
AMD FX 4100

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.6 GHz vs 2.4 GHz More than 50% higher clock speed
Higher turbo clock speed 3.8 GHz vs 3.4 GHz More than 10% higher turbo clock speed
Much better overclocked clock speed (Air) 4.66 GHz vs 2.87 GHz Around 65% better overclocked clock speed (Air)
Significantly better geekbench 3 single core score 1,827 vs 900 More than 2x better geekbench 3 single core score
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Much better overclocked clock speed (Water) 4.99 GHz vs 2.4 GHz More than 2x better overclocked clock speed (Water)
Higher Maximum operating temperature 70.5 °C vs 61.1 °C More than 15% higher Maximum operating temperature

Benchmarks Real world tests of Opteron 3280 vs FX 4100

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Opteron 3280
2,986
FX 4100
5,176

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 4100
1,827

GeekBench 3 (AES single core) Data courtesy Primate Labs

Opteron 3280
1,710,000 MB/s
FX 4100
2,150,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Opteron 3280
7,233
FX 4100
4,993

GeekBench

Opteron 3280
7,233
FX 4100
6,919

PassMark Data courtesy Passmark

Opteron 3280
5,330
FX 4100
4,051

PassMark (Single Core)

FX 4100
1,221

Specifications Full list of technical specs

summary

Opteron 3280  vs
FX 4100 
Clock speed 2.4 GHz 3.6 GHz
Turbo clock speed 3.4 GHz 3.8 GHz
Cores Octa core Quad core
Socket type
AM3+
Is unlocked No Yes

features

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

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 34.18 $/year
Annual commercial energy cost 56.94 $/year 114.41 $/year
Performance per watt 10.33 pt/W 6.46 pt/W
Typical power consumption 52.81W N/A

bus

Architecture HyperTransport 3.0 HyperTransport 3.1
Clock speed 2,600 MHz 3,200 MHz

details

Opteron 3280  vs
FX 4100 
Threads 8 4
L2 cache 8 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 1 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 61.1°C Unknown - 70.5°C

overclocking

Overclocked clock speed 2.87 GHz 4.66 GHz
Overclocked clock speed (Water) 2.4 GHz 4.99 GHz
Overclocked clock speed (Air) 2.87 GHz 4.66 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3
AMD Opteron 3280
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AMD FX 4100
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