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Differences What are the advantages of each

Front view of Intel Core2 Duo T9400

Reasons to consider the
Intel Core2 Duo T9400

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Much better 3DMark06 CPU score 2,304 vs 22.9 More than 100.5x better 3DMark06 CPU score
Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.53 GHz vs 1.5 GHz Around 70% higher clock speed
Much better geekbench 2 (32-bit) score 2,328 vs 508 More than 4.5x better geekbench 2 (32-bit) score
Much more l2 cache per core 3 MB/core vs 1 MB/core 3x more l2 cache per core
Significantly better geekbench 3 single core score 1,407 vs 522 Around 2.8x better geekbench 3 single core score
More cores 2 vs 1 Twice as many cores; run more applications at once
Better PassMark score 1,736 vs 321 Around 5.5x better PassMark score
Better performance per watt 2.54 pt/W vs 1.81 pt/W More than 40% better performance per watt
Front view of AMD E 240

Reasons to consider the
AMD E 240

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Newer manufacturing process 40 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 14.63W vs 28.44W Around 50% lower typical power consumption
Newer Jan, 2011 vs Jul, 2008 Release date over 2 years later
Lower annual home energy cost 4.34 $/year vs 8.43 $/year Around 50% lower annual home energy cost
Lower annual commercial energy cost 15.77 $/year vs 30.66 $/year Around 50% lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo T9400 vs E 240

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core2 Duo T9400
21.42 fps
E 240
11.46 fps

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

Core2 Duo T9400
103,400 MB/s
E 240
45,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo T9400  vs
E 240 
Clock speed 2.53 GHz 1.5 GHz
Cores Dual core Single core
Socket type
478
P
940

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
SSE4.1
AMD-V
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core2 Duo T9400  vs
E 240 
Threads 2 1
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 40 nm
Max CPUs 1 1
Clock multiplier 9 5
Voltage range 1.05 - 1.16V 1.18 - 1.35V

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6310
Latest DirectX N/A 11.0
GPU clock speed N/A 500 MHz
Turbo clock speed N/A 500 MHz

power consumption

TDP 35W 18W
Annual home energy cost 8.43 $/year 4.34 $/year
Annual commercial energy cost 30.66 $/year 15.77 $/year
Performance per watt 2.54 pt/W 1.81 pt/W
Typical power consumption 28.44W 14.63W
Intel Core2 Duo T9400
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AMD E 240
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