CPUBoss Review Our evaluation of 540 vs T5450 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 Pentium 4 540

Reasons to consider the
Intel Pentium 4 540

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Much better geekbench 3 AES single core score 112,000 MB/s vs 70,500 MB/s Around 60% better geekbench 3 AES single core score
Much higher clock speed 3.2 GHz vs 1.66 GHz Around 95% higher clock speed
Much better overclocked clock speed (Air) 3.85 GHz vs 1.95 GHz Around 2x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.2 GHz vs 1.67 GHz More than 90% better overclocked clock speed (Water)
Front view of Intel Core2 Duo T5450

Reasons to consider the
Intel Core2 Duo T5450

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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 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
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
Much lower typical power consumption 28.44W vs 68.25W 2.4x lower typical power consumption
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
More cores 2 vs 1 Twice as many cores; run more applications at once
Better geekbench 3 Multi-Core score 1,542 vs 977 Around 60% better geekbench 3 Multi-Core score
Much lower annual home energy cost 8.43 $/year vs 20.24 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 73.58 $/year 2.4x lower annual commercial energy cost
Better performance per watt 1.88 pt/W vs 1.1 pt/W More than 70% better performance per watt

Benchmarks Real world tests of Pentium 4 540 vs Core2 Duo T5450

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

Pentium 4 540
112,000 MB/s
Core2 Duo T5450
70,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

Specifications Full list of technical specs

summary

Pentium 4 540  vs
Core2 Duo T5450 
Clock speed 3.2 GHz 1.66 GHz
Cores Single core Dual core
Socket type
LGA 775
478

features

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

power consumption

TDP 84W 35W
Annual home energy cost 20.24 $/year 8.43 $/year
Annual commercial energy cost 73.58 $/year 30.66 $/year
Performance per watt 1.1 pt/W 1.88 pt/W
Typical power consumption 68.25W 28.44W

details

Pentium 4 540  vs
Core2 Duo T5450 
Architecture x86 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 65 nm
Transistor count 125,000,000 291,000,000
Max CPUs 1 1
Clock multiplier 16 10
Voltage range 1.2 - 1.43V 1.07 - 1.25V

overclocking

Overclocked clock speed 3.85 GHz 1.95 GHz
Overclocked clock speed (Water) 3.2 GHz 1.67 GHz
Overclocked clock speed (Air) 3.85 GHz 1.95 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 FSB
Number of links 1 1
Clock speed 800 MHz 667 MHz
Intel Pentium 4 540
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Intel Core2 Duo T5450
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