CPUBoss Review Our evaluation of 420 vs 3300+ 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

4.9

CPUBoss Score

Combination of all six facets

Winner
Intel Celeron M 420 

CPUBoss recommends the Intel Celeron M 420  based on its performance and power consumption.

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VS

Intel Celeron M 420

CPUBoss Winner
Front view of Intel Celeron M 420

Differences What are the advantages of each

Front view of Intel Celeron M 420

Reasons to consider the
Intel Celeron M 420

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Much better geekbench 3 AES single core score 66,700 MB/s vs 53.85 MB/s Around 1238.8x better geekbench 3 AES single core score
Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l2 cache 1 MB vs 0 MB Compared to all cpus, 1 MB l2 cache is just OK
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much more l2 cache per core 1 MB/core vs 0 MB/core Compared to all cpus, 1 MB/core l2 cache per core is just OK
Significantly lower typical power consumption 28.44W vs 50.38W Around 45% lower typical power consumption
Better performance per watt 1.57 pt/W vs 0.5 pt/W More than 3x better performance per watt
Much better overclocked clock speed (Water) 3.38 GHz vs 2 GHz Around 70% better overclocked clock speed (Water)
Significantly lower annual home energy cost 8.43 $/year vs 14.94 $/year Around 45% lower annual home energy cost
Significantly lower annual commercial energy cost 30.66 $/year vs 54.31 $/year Around 45% lower annual commercial energy cost
Front view of AMD Sempron 3300+

Reasons to consider the
AMD Sempron 3300+

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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
Higher clock speed 2 GHz vs 1.6 GHz Around 25% higher clock speed
Higher Maximum operating temperature 70 °C vs 60.4 °C More than 15% higher Maximum operating temperature
Better overclocked clock speed (Air) 2.49 GHz vs 2.02 GHz Around 25% better overclocked clock speed (Air)

Benchmarks Real world tests of Celeron M 420 vs Sempron 3300+

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

Celeron M 420
66,700 MB/s
Sempron 3300+
53.85 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron M 420  vs
Sempron 3300+ 
Clock speed 1.6 GHz 2 GHz
Cores Single core Single core
Socket type
LGA 775
478
754
462

features

Has a NX bit Yes Yes
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling No Yes

power consumption

TDP 35W 62W
Annual home energy cost 8.43 $/year 14.94 $/year
Annual commercial energy cost 30.66 $/year 54.31 $/year
Performance per watt 1.57 pt/W 0.5 pt/W
Typical power consumption 28.44W 50.38W

details

Celeron M 420  vs
Sempron 3300+ 
Architecture x86-64 x86
Threads 1 1
L2 cache 1 MB 0 MB
L2 cache per core 1 MB/core 0 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 60.4°C Unknown - 70°C

overclocking

Overclocked clock speed 2.02 GHz 2.49 GHz
Overclocked clock speed (Water) 3.38 GHz 2 GHz
Overclocked clock speed (Air) 2.02 GHz 2.49 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

Clock speed 800 MHz 200 MHz
Intel Celeron M 420
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AMD Sempron 3300+
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