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Differences What are the advantages of each

Front view of Intel Celeron 787

Reasons to consider the
Intel Celeron 787

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 13.81W vs 52.81W 3.8x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 74 °C More than 35% higher Maximum operating temperature
Significantly more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
Newer Jul, 2011 vs Jul, 2009 Release date over 1 years later
Much lower annual home energy cost 4.1 $/year vs 15.66 $/year 3.8x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 56.94 $/year 3.8x lower annual commercial energy cost
Front view of AMD Athlon II X2 240

Reasons to consider the
AMD Athlon II X2 240

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Much higher clock speed 2.8 GHz vs 1.3 GHz Around 2.2x higher clock speed
Much more l2 cache 2 MB vs 0.25 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 3.67 GHz vs 1.3 GHz More than 2.8x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
More cores 2 vs 1 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 2.8 GHz vs 1.3 GHz Around 2.2x better overclocked clock speed (Water)

Features Key features of the Celeron 787  vs Athlon II X2 240 

clock speed

Celeron 787
1.3 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Celeron 787
1.3 GHz
Athlon II X2 240
3.67 GHz

overclocked clock speed (water)

Celeron 787
1.3 GHz

Specifications Full list of technical specs

summary

Celeron 787  vs
Athlon II X2 240 
Clock speed 1.3 GHz 2.8 GHz
Cores Single core Dual core
Socket type
BGA 1023
AM3

features

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

power consumption

TDP 17W 65W
Annual home energy cost 4.1 $/year 15.66 $/year
Annual commercial energy cost 14.89 $/year 56.94 $/year
Typical power consumption 13.81W 52.81W

details

Celeron 787  vs
Athlon II X2 240 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 0.25 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 1.5 MB 1 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 74°C

overclocking

Overclocked clock speed 1.3 GHz 3.67 GHz
Overclocked clock speed (Water) 1.3 GHz 2.8 GHz
Overclocked clock speed (Air) 1.3 GHz 3.67 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 950 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Intel Celeron 787
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AMD Athlon II X2 240
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