Intel Pentium 4 HT 531 vs Intel Pentium D 820

Comparative analysis of Intel Pentium 4 HT 531 and Intel Pentium D 820 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Pentium 4 HT 531

Intel Pentium D 820

Differences

Reasons to consider the Intel Pentium 4 HT 531

CPU is newer: launch date 1 month(s) later
Around 7% higher clock speed: 3 GHz vs 2.8 GHz
Around 6% higher maximum core temperature: 67.7°C vs 64.1°C
Around 13% lower typical power consumption: 84 Watt vs 95 Watt

Launch date	June 2005 vs May 2005
Maximum frequency	3 GHz vs 2.8 GHz
Maximum core temperature	67.7°C vs 64.1°C
Thermal Design Power (TDP)	84 Watt vs 95 Watt

Reasons to consider the Intel Pentium D 820

1 more cores, run more applications at once: 2 vs 1
Around 75% more L1 cache; more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 7% better performance in Geekbench 4 - Single Core: 179 vs 168
Around 43% better performance in Geekbench 4 - Multi-Core: 307 vs 214

Specifications (specs)
Number of cores	2 vs 1
L1 cache	28 KB vs 16 KB
L2 cache	2048 KB vs 1024 KB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
Geekbench 4 - Single Core	179 vs 168
Geekbench 4 - Multi-Core	307 vs 214

Compare benchmarks

CPU 1: Intel Pentium 4 HT 531
CPU 2: Intel Pentium D 820

Geekbench 4 - Single Core

CPU 1

CPU 2

168

179

Geekbench 4 - Multi-Core

CPU 1

CPU 2

214

307

Name	Intel Pentium 4 HT 531	Intel Pentium D 820
Geekbench 4 - Single Core	168	179
Geekbench 4 - Multi-Core	214	307

Compare specifications (specs)

	Intel Pentium 4 HT 531	Intel Pentium D 820
Essentials
Architecture codename	Prescott	Smithfield
Launch date	June 2005	May 2005
Place in performance rating	3309	3302
Processor Number	531	820
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.00 GHz	2.80 GHz
Bus Speed	800 MHz FSB	800 MHz FSB
Die size	112 mm2	206 mm2
L1 cache	16 KB	28 KB
L2 cache	1024 KB	2048 KB
Manufacturing process technology	90 nm	90 nm
Maximum core temperature	67.7°C	64.1°C
Maximum frequency	3 GHz	2.8 GHz
Number of cores	1	2
Transistor count	125 million	230 million
VID voltage range	1.200V-1.425V	1.200V-1.400V
Front-side bus (FSB)		800 MHz
Number of threads		2
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	PLGA775	PLGA775
Thermal Design Power (TDP)	84 Watt	95 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® AES New Instructions
Physical Address Extensions (PAE)		32-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)