AMD Phenom X3 8450e vs Intel Pentium 4 HT 521

Comparative analysis of AMD Phenom X3 8450e and Intel Pentium 4 HT 521 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Virtualization, Memory, Security & Reliability, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom X3 8450e

Intel Pentium 4 HT 521

Differences

Reasons to consider the AMD Phenom X3 8450e

CPU is newer: launch date 3 year(s) 3 month(s) later
2 more cores, run more applications at once: 3 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
24x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 29% lower typical power consumption: 65 Watt vs 84 Watt

Launch date	September 2008 vs June 2005
Number of cores	3 vs 1
Manufacturing process technology	65 nm vs 90 nm
L1 cache	128 KB (per core) vs 16 KB
L2 cache	512 KB (per core) vs 1024 KB
Thermal Design Power (TDP)	65 Watt vs 84 Watt

Reasons to consider the Intel Pentium 4 HT 521

Around 33% higher clock speed: 2.8 GHz vs 2.1 GHz

Maximum frequency	2.8 GHz vs 2.1 GHz

Compare benchmarks

CPU 1: AMD Phenom X3 8450e
CPU 2: Intel Pentium 4 HT 521

Name	AMD Phenom X3 8450e	Intel Pentium 4 HT 521
PassMark - Single thread mark	824
PassMark - CPU mark	1206
Geekbench 4 - Single Core		801
Geekbench 4 - Multi-Core		906

Compare specifications (specs)

	AMD Phenom X3 8450e	Intel Pentium 4 HT 521
Essentials
Architecture codename	Toliman	Prescott
Launch date	September 2008	June 2005
Place in performance rating	2505	2525
Vertical segment	Desktop	Desktop
Processor Number		521
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	285 mm	112 mm2
L1 cache	128 KB (per core)	16 KB
L2 cache	512 KB (per core)	1024 KB
L3 cache	2048 KB (shared)
Manufacturing process technology	65 nm	90 nm
Maximum frequency	2.1 GHz	2.8 GHz
Number of cores	3	1
Transistor count	450 million	125 million
Base frequency		2.80 GHz
Bus Speed		800 MHz FSB
Maximum core temperature		67.7°C
VID voltage range		1.200V-1.425V
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM2+	PLGA775
Thermal Design Power (TDP)	65 Watt	84 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Memory
Supported memory types		DDR1, DDR2, DDR3
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology