Intel Atom E645C vs Intel Pentium 4 HT 540

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Performance
Atom E645C
No data available
Pentium 4 HT 540
No data available

We do not have any performance data for the Atom E645C and the Pentium 4 HT 540 for the 3DMark 11 Performance Physics benchmark.

Performance per dollar
Atom E645C
No data available
Pentium 4 HT 540
No data available

We do not have any performance per dollar data for the Atom E645C and the Pentium 4 HT 540 for the 3DMark 11 Performance Physics benchmark.

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Summary

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About the Intel Atom E645C CPU

The Intel Atom E645C is an end-of-life 1-core (2-thread) processor built for the mobile CPU market. It launched in Q4 2010. It is part of Intel's Atom lineup, which is based on the Stellarton microarchitecture. The E645C is compatible with Intel BGA 1466 motherboards and is fabricated on Intel's 45 nm manufacturing process. It features the GMA 600 integrated graphics solution.

Memory and Cache

The Atom E645C supports DDR2 memory. In terms of cache, the Atom E645C has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 512 KB, is larger but slower than the L1.

Cores and Clock Speeds

The Atom E645C is a single core CPU, but is able to process 2 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 1000.0 MHz. Higher clock speeds result in higher performance for the same microarchitecture. The multiplier is locked, making it incapable of overclocking for pushing performance further.

Integrated Graphics

The Atom E645C includes an integrated graphics solution called GMA 600. This graphics processor is directly integrated into the CPU and is not as powerful as a dedicated graphics card. While integrated graphics can handle basic tasks like web browsing and office applications, it is not suitable for more demanding activities such as gaming or video editing, where a dedicated graphics card offers superior performance.

About the Intel Pentium 4 HT 540 CPU

The Intel Pentium 4 HT 540 is an end-of-life 1-core (2-thread) processor built for the desktop CPU market. It launched in Q2 2004. It is part of Intel's Pentium 4 HT lineup, which is based on the Prescott microarchitecture. The 4 HT 540 is compatible with Intel Socket 775 motherboards and is fabricated on Intel's 90 nm manufacturing process.

Memory and Cache

The Pentium 4 HT 540 supports DDR1, DDR2, DDR3 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Pentium 4 HT 540 has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 16 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 1 MB, is larger but slower than the L1.

Cores and Clock Speeds

The Pentium 4 HT 540 is a single core CPU, but is able to process 2 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.2 GHz. Higher clock speeds result in higher performance for the same microarchitecture. The multiplier is locked, making it incapable of overclocking for pushing performance further.

Integrated Graphics

The Pentium 4 HT 540 does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.

General Info

General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.

InfoAtom E645CPentium 4 HT 540
ManufacturerIntelIntel
SeriesAtomPentium 4 HT
Market SegmentMobileDesktop
Release DateQ4 2010Q2 2004
Production StatusEnd-of-lifeEnd-of-life
ShopCheck PriceCheck Price

Benchmark Performance

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Our database does not have any benchmark data for the Intel Atom E645C and the Intel Pentium 4 HT 540.

Technical Specs

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Manufacturing Details

Information about the CPU's manufacturing like its foundry, process size, and transistor count.

SpecAtom E645CPentium 4 HT 540
ManufacturerIntelIntel
FoundryIntelIntel
Process Size45 nm90 nm
Transistors47 million125 million

Architecture

CPU architecture specs like its memory channels, memory support, and microarchitecture. Newer CPU architectures can minimize bottlenecks and improve execution efficiency using more advanced techniques.

SpecAtom E645CPentium 4 HT 540
SeriesAtomPentium 4 HT
MicroarchitectureStellartonPrescott
CodenameStellartonPrescott
Memory SupportDDR2DDR1, DDR2, DDR3
Memory Channels--Dual-channel
ECC MemoryNoNo

Cores & Clock Speeds

Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.

SpecAtom E645CPentium 4 HT 540
Cores11
Threads22
Clock Speed1000.0 MHz3.2 GHz
Base Clock100 MHz200 MHz
Multiplier10.0x16.0x
Multiplier UnlockedNoNo

Cache

CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.

SpecAtom E645CPentium 4 HT 540
L1 Cache64 KB16 KB
L2 Cache512 KB1 MB

Compatibility & Power Consumption

Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.

SpecAtom E645CPentium 4 HT 540
SocketIntel BGA 1466Intel Socket 775
PCI Express--PCIe 2.0
Thermal Design Power (TDP)4 W84 W

Graphics, Features, & Extensions

Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.

SpecAtom E645CPentium 4 HT 540
Integrated GraphicsGMA 600Motherboard Dependent
Extensions / TechnologiesMMX, SSE, SSE2, SSE3, SSSE3, EIST, HTT, VT-xMMX, SSE, SSE2, SSE3, HTT

* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.