Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of AMD Phenom II X4 820

Reasons to consider the
AMD Phenom II X4 820

Report a correction
Much higher clock speed 2.8 GHz vs 1.6 GHz Around 75% higher clock speed
Much better PassMark score 3,427 vs 1,004 Around 3.5x better PassMark score
Much better PassMark (Single core) score 979 vs 556 More than 75% better PassMark (Single core) score
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 3.16 GHz vs 2.54 GHz Around 25% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 2.8 GHz vs 1.6 GHz Around 75% better overclocked clock speed (Water)
Front view of AMD Athlon II X2 250u

Reasons to consider the
AMD Athlon II X2 250u

Report a correction
Much lower typical power consumption 20.31W vs 77.19W 3.8x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much higher Maximum operating temperature 81 °C vs 71 °C Around 15% higher Maximum operating temperature
Much lower annual home energy cost 6.02 $/year vs 22.89 $/year 3.8x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 83.22 $/year 3.8x lower annual commercial energy cost

Benchmarks Real world tests of Phenom II X4 820 vs Athlon II X2 250u

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

Phenom II X4 820
112,900 MB/s
Athlon II X2 250u
63,700 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 820  vs
Athlon II X2 250u 
Clock speed 2.8 GHz 1.6 GHz
Cores Quad core Dual core
Socket type
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 25W
Annual home energy cost 22.89 $/year 6.02 $/year
Annual commercial energy cost 83.22 $/year 21.9 $/year
Performance per watt 1.47 pt/W 2.52 pt/W
Typical power consumption 77.19W 20.31W

bus

Clock speed 2,000 MHz 1,600 MHz

details

Phenom II X4 820  vs
Athlon II X2 250u 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 4 MB 1 MB
L3 cache per core 1 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.9 - 1.43V 0.85 - 1.15V
Operating temperature Unknown - 71°C Unknown - 81°C

overclocking

Overclocked clock speed 3.16 GHz 2.54 GHz
Overclocked clock speed (Water) 2.8 GHz 1.6 GHz
Overclocked clock speed (Air) 3.16 GHz 2.54 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 Phenom II X4 820
Report a correction
AMD Athlon II X2 250u
Report a correction

Comments

comments powered by Disqus