CPUBoss Review Our evaluation of 6400+ vs 4800+ among desktop 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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

AMD Athlon X2 6400+

CPUBoss Winner
Front view of AMD Athlon X2 6400+

Differences What are the advantages of each

Front view of AMD Athlon X2 6400+

Reasons to consider the
AMD Athlon X2 6400+

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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 higher clock speed 3.2 GHz vs 2.5 GHz Around 30% higher clock speed
Much better PassMark score 1,795 vs 1,260 More than 40% better PassMark score
Much better PassMark (Single core) score 968 vs 749 Around 30% better PassMark (Single core) score
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Air) 3.42 GHz vs 2.75 GHz Around 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 3.53 GHz vs 3.4 GHz Around 5% better overclocked clock speed (Water)
Front view of AMD Athlon X2 4800+

Reasons to consider the
AMD Athlon X2 4800+

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Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 52.81W vs 101.56W Around 50% lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 30.11 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 109.5 $/year Around 50% lower annual commercial energy cost

Benchmarks Real world tests of Athlon X2 6400+ vs 4800+

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 X2 6400+
87.5 MB/s
Athlon X2 4800+
68.2 MB/s

Cinebench R10 32-Bit

Cinebench R10 32-Bit (Single Core)

sysmark 2007 (overall)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon X2 6400+  vs
4800+ 
Clock speed 3.2 GHz 2.5 GHz
Cores Dual core Dual core
Socket type
AM2
939
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 125W 65W
Annual home energy cost 30.11 $/year 15.66 $/year
Annual commercial energy cost 109.5 $/year 56.94 $/year
Performance per watt 0.56 pt/W 0.8 pt/W
Typical power consumption 101.56W 52.81W

details

Athlon X2 6400+  vs
4800+ 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 0 MB 0 MB
L3 cache per core 0 MB/core 0 MB/core
Manufacture process 90 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 55°C Unknown - 55°C

overclocking

Overclocked clock speed 3.42 GHz 2.75 GHz
Overclocked clock speed (Water) 3.53 GHz 3.4 GHz
PassMark (Overclocked) 1,625.2 1,457.7
Overclocked clock speed (Air) 3.42 GHz 2.75 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
AMD Athlon X2 6400+
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AMD Athlon X2 4800+
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