CPUBoss Review Our evaluation of E8400 vs 330 among all 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

Sky Diver and Cloud Gate

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?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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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
Much higher clock speed 3 GHz vs 1.6 GHz More than 85% higher clock speed
Much better geekbench 2 (32-bit) score 2,826 vs 873 Around 3.2x better geekbench 2 (32-bit) score
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 4.22 GHz vs 2.05 GHz More than 2x better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,251 vs 252 Around 5x better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 4.23 GHz vs 1.6 GHz Around 2.8x better overclocked clock speed (Water)
Better PassMark score 2,160 vs 592 Around 3.8x better PassMark score
Front view of Intel Atom 330

Reasons to consider the
Intel Atom 330

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Much lower typical power consumption 6.5W vs 52.81W 8.1x lower typical power consumption
Much better performance per dollar 0.7 pt/$ vs 0.01 pt/$ More than 59.2x better performance per dollar
Higher Maximum operating temperature 85.2 °C vs 72.4 °C Around 20% higher Maximum operating temperature
Better performance per watt 3.77 pt/W vs 1.83 pt/W More than 2x better performance per watt
More threads 4 vs 2 Twice as many threads
Much lower annual home energy cost 1.93 $/year vs 15.66 $/year 8.1x lower annual home energy cost
Much lower annual commercial energy cost 7.01 $/year vs 56.94 $/year 8.1x lower annual commercial energy cost
Newer Sep, 2008 vs Jan, 2008 Release date 8 months later

Benchmarks Real world tests of Core2 Duo E8400 vs Atom 330

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 E8400
128,000 MB/s
Atom 330
25,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Cinebench R10 32-Bit

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Atom 330 
Clock speed 3 GHz 1.6 GHz
Cores Dual core Dual core
Socket type
LGA 775
437

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 65W 8W
Annual home energy cost 15.66 $/year 1.93 $/year
Annual commercial energy cost 56.94 $/year 7.01 $/year
Performance per watt 1.83 pt/W 3.77 pt/W
Typical power consumption 52.81W 6.5W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 533 MHz

details

Core2 Duo E8400  vs
Atom 330 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 410,000,000 94,000,000
Max CPUs 1 1
Clock multiplier 9 12
Voltage range 0.85 - 1.36V 0.9 - 1.16V
Operating temperature Unknown - 72.4°C Unknown - 85.2°C

overclocking

Overclocked clock speed 4.22 GHz 2.05 GHz
Overclocked clock speed (Water) 4.23 GHz 1.6 GHz
Overclocked clock speed (Air) 4.22 GHz 2.05 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
Intel Core2 Duo E8400
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Intel Atom 330
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