CPUBoss Review Our evaluation of Q8300 vs 390 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

5.2

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Quad Q8300 

CPUBoss recommends the Intel Core2 Quad Q8300  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 Q8300

Reasons to consider the
Intel Core2 Quad Q8300

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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 newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 2.5 GHz vs 1.7 GHz More than 45% higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
More cores 4 vs 1 3 more cores; run more applications at once
Better geekbench 3 Multi-Core score 4,745 vs 3,484 More than 35% better geekbench 3 Multi-Core score
Better performance per dollar 0.74 pt/$ vs 0.54 pt/$ More than 35% better performance per dollar
Better overclocked clock speed (Air) 3.32 GHz vs 2.75 GHz More than 20% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 3.33 GHz vs 2.67 GHz Around 25% better overclocked clock speed (Water)
Front view of Intel Core i3 390

Reasons to consider the
Intel Core i3 390

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Much lower typical power consumption 17.06W vs 77.19W 4.5x lower typical power consumption
Significantly better performance per watt 5.8 pt/W vs 1.39 pt/W Around 4.2x better performance per watt
Much lower annual home energy cost 5.06 $/year vs 22.89 $/year 4.5x lower annual home energy cost
Much lower annual commercial energy cost 18.4 $/year vs 83.22 $/year 4.5x lower annual commercial energy cost
Newer Jan, 2011 vs Nov, 2008 Release date over 2 years later
Better geekbench 3 single core score 1,588 vs 1,373 More than 15% better geekbench 3 single core score

Benchmarks Real world tests of Core2 Quad Q8300 vs Core i3 390

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 Q8300
106,750 MB/s
Core i3 390
112,200 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 Q8300  vs
Core i3 390 
Clock speed 2.5 GHz 1.7 GHz
Cores Quad core Single core
Socket type
LGA 775
BGA 1288
479
rPGA 988A

features

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

power consumption

TDP 95W 21W
Annual home energy cost 22.89 $/year 5.06 $/year
Annual commercial energy cost 83.22 $/year 18.4 $/year
Performance per watt 1.39 pt/W 5.8 pt/W
Typical power consumption 77.19W 17.06W

details

Core2 Quad Q8300  vs
Core i3 390 
Architecture x86-64 x86
Threads 4 4
L2 cache 4 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Transistor count 456,000,000 144,000,000
Max CPUs 1 1
Clock multiplier 7 17
Voltage range 0.85 - 1.36V 1 - 1.29V

overclocking

Overclocked clock speed 3.32 GHz 2.75 GHz
Overclocked clock speed (Water) 3.33 GHz 2.67 GHz
Overclocked clock speed (Air) 3.32 GHz 2.75 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

bus

Architecture FSB DMI
Number of links 1 1
Clock speed 1,333 MHz 400 MHz
Intel Core2 Quad Q8300
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Intel Core i3 390
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