CPUBoss Review Our evaluation of Q8400 vs 1017U 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

7.5

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Quad Q8400 

CPUBoss recommends the Intel Core2 Quad Q8400  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Core2 Quad Q8400

Reasons to consider the
Intel Core2 Quad Q8400

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better geekbench 3 AES single core score 113,900 MB/s vs 84,150 MB/s More than 35% better geekbench 3 AES single core score
Significantly higher clock speed 2.66 GHz vs 1.6 GHz More than 65% higher clock speed
Much better performance per dollar 3.53 pt/$ vs 0.52 pt/$ More than 6.8x better performance per dollar
Much better overclocked clock speed (Air) 3.46 GHz vs 1.6 GHz Around 2.2x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 3.91 GHz vs 1.6 GHz Around 2.5x better overclocked clock speed (Water)
Better PassMark score 3,197 vs 1,557 More than 2x better PassMark score
Front view of Intel Celeron 1017U

Reasons to consider the
Intel Celeron 1017U

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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 135.97W 9.8x lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 71.4 °C More than 45% higher Maximum operating temperature
Newer Jul, 2013 vs Apr, 2009 Release date over 4 years later
Better performance per watt 4.55 pt/W vs 0.95 pt/W More than 4.8x better performance per watt
Much lower annual home energy cost 4.1 $/year vs 51.39 $/year 12.5x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 130.79 $/year 8.8x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Quad Q8400 vs Celeron 1017U

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 Quad Q8400
113,900 MB/s
Celeron 1017U
84,150 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 Quad Q8400  vs
Celeron 1017U 
Clock speed 2.66 GHz 1.6 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 17W
Annual home energy cost 51.39 $/year 4.1 $/year
Annual commercial energy cost 130.79 $/year 14.89 $/year
Performance per watt 0.95 pt/W 4.55 pt/W
Typical power consumption 135.97W 13.81W

details

Core2 Quad Q8400  vs
Celeron 1017U 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 4 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 71.4°C Unknown - 105°C

overclocking

Overclocked clock speed 3.46 GHz 1.6 GHz
Overclocked clock speed (Water) 3.91 GHz 1.6 GHz
Overclocked clock speed (Air) 3.46 GHz 1.6 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,000 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 Quad Q8400
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Intel Celeron 1017U
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