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AMD Athlon II X2 B28

CPUBoss Winner
Front view of AMD Athlon II X2 B28

Differences What are the advantages of each

Front view of AMD Athlon II X2 B28

Reasons to consider the
AMD Athlon II X2 B28

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 1 MB vs 0.5 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better overclocked clock speed (Air) 4.57 GHz vs 3.4 GHz Around 35% better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much more l3 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l3 cache per core
Significantly higher Maximum operating temperature 74 °C vs 70 °C More than 5% higher Maximum operating temperature
Front view of AMD A4 5300B

Reasons to consider the
AMD A4 5300B

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Oct, 2012 vs Dec, 2010 Release date over 1 years later

Benchmarks Real world tests of Athlon II X2 B28 vs A4 5300B

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X2 B28
133,900 MB/s
A4 5300B
1,840 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon II X2 B28  vs
A4 5300B 
Clock speed 3.4 GHz 3.4 GHz
Cores Dual core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
3DNow!
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.92 pt/W 1.32 pt/W
Typical power consumption 52.81W 52.81W

details

Athlon II X2 B28  vs
A4 5300B 
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 1 MB 0.5 MB
L3 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Voltage range 0.85 - 1.43V 0.82 - 1.48V
Operating temperature Unknown - 74°C Unknown - 70°C

overclocking

Overclocked clock speed 4.57 GHz 3.4 GHz
Overclocked clock speed (Water) 3.4 GHz 3.4 GHz
Overclocked clock speed (Air) 4.57 GHz 3.4 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 7480D
Latest DirectX N/A 11.0
GPU clock speed N/A 723 MHz
AMD Athlon II X2 B28
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AMD A4 5300B
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