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Differences What are the advantages of each

Front view of AMD Sempron 2800+

Reasons to consider the
AMD Sempron 2800+

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Slightly lower typical power consumption 50.38W vs 52.81W Around 5% lower typical power consumption
Slightly lower annual commercial energy cost 54.31 $/year vs 56.94 $/year Around 5% lower annual commercial energy cost
Slightly lower annual home energy cost 14.94 $/year vs 15.66 $/year Around 5% lower annual home energy cost
Front view of AMD Athlon II X2 250

Reasons to consider the
AMD Athlon II X2 250

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 1.6 GHz More than 85% higher clock speed
Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 1,750 vs 398 Around 4.5x better PassMark score
Much better PassMark (Single core) score 1,008 vs 487 More than 2x better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,690 vs 682 Around 4x better geekbench 2 (32-bit) score
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much better performance per watt 1.79 pt/W vs 0.44 pt/W More than 4x better performance per watt
Much better overclocked clock speed (Air) 3.72 GHz vs 2.36 GHz Around 60% better overclocked clock speed (Air)
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly higher Maximum operating temperature 74 °C vs 70 °C More than 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.04 GHz vs 1.8 GHz Around 2.2x better overclocked clock speed (Water)
Newer Jun, 2009 vs Jul, 2004 Release date over 4 years later

Benchmarks Real world tests of Sempron 2800+ vs Athlon II X2 250

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

Sempron 2800+
43.2 MB/s
Athlon II X2 250
120,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 2800+  vs
Athlon II X2 250 
Clock speed 1.6 GHz 3 GHz
Turbo clock speed 0 GHz 3.6 GHz
Cores Single core Dual core
Socket type
754
AM2
462
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 62W 65W
Annual home energy cost 14.94 $/year 15.66 $/year
Annual commercial energy cost 54.31 $/year 56.94 $/year
Performance per watt 0.44 pt/W 1.79 pt/W
Typical power consumption 50.38W 52.81W

bus

Clock speed 200 MHz 2,000 MHz

details

Sempron 2800+  vs
Athlon II X2 250 
Architecture x86 x86-64
Threads 1 2
L2 cache 0.5 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 0 MB 0 MB
L3 cache per core 0 MB/core 0 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 74°C

overclocking

Overclock popularity 1 25
Overclocked clock speed 2.36 GHz 3.72 GHz
Overclocked clock speed (Water) 1.8 GHz 4.04 GHz
PassMark (Overclocked) 543.6 2,374.3
Overclocked clock speed (Air) 2.36 GHz 3.72 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 Sempron 2800+
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AMD Athlon II X2 250
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