Intel Core 2 Duo E8400 vs Intel Pentium 4 HT 531

Comparative analysis of Intel Core 2 Duo E8400 and Intel Pentium 4 HT 531 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core 2 Duo E8400

Intel Pentium 4 HT 531

Differences

Reasons to consider the Intel Core 2 Duo E8400

CPU is newer: launch date 2 year(s) 7 month(s) later
1 more cores, run more applications at once: 2 vs 1
Around 7% higher maximum core temperature: 72.4°C vs 67.7°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
8x more L1 cache, more data can be stored in the L1 cache for quick access later
6x 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
2.5x better performance in Geekbench 4 - Single Core: 422 vs 168
3.4x better performance in Geekbench 4 - Multi-Core: 738 vs 214

Specifications (specs)
Launch date	January 2008 vs June 2005
Number of cores	2 vs 1
Maximum core temperature	72.4°C vs 67.7°C
Manufacturing process technology	45 nm vs 90 nm
L1 cache	128 KB vs 16 KB
L2 cache	6144 KB vs 1024 KB
Thermal Design Power (TDP)	65 Watt vs 84 Watt
Benchmarks
Geekbench 4 - Single Core	422 vs 168
Geekbench 4 - Multi-Core	738 vs 214

Compare benchmarks

CPU 1: Intel Core 2 Duo E8400
CPU 2: Intel Pentium 4 HT 531

Geekbench 4 - Single Core

CPU 1

CPU 2

422

168

Geekbench 4 - Multi-Core

CPU 1

CPU 2

738

214

Name	Intel Core 2 Duo E8400	Intel Pentium 4 HT 531
PassMark - Single thread mark	1234
PassMark - CPU mark	1210
Geekbench 4 - Single Core	422	168
Geekbench 4 - Multi-Core	738	214
3DMark Fire Strike - Physics Score	2400
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.408

Compare specifications (specs)

	Intel Core 2 Duo E8400	Intel Pentium 4 HT 531
Essentials
Architecture codename	Wolfdale	Prescott
Launch date	January 2008	June 2005
Place in performance rating	2981	3309
Price now	$129.95
Processor Number	E8400	531
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	4.87
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.00 GHz	3.00 GHz
Bus Speed	1333 MHz FSB	800 MHz FSB
Die size	107 mm2	112 mm2
L1 cache	128 KB	16 KB
L2 cache	6144 KB	1024 KB
Manufacturing process technology	45 nm	90 nm
Maximum case temperature (TCase)	72 °C
Maximum core temperature	72.4°C	67.7°C
Maximum frequency	3 GHz	3 GHz
Number of cores	2	1
Transistor count	410 million	125 million
VID voltage range	0.8500V-1.3625V	1.200V-1.425V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA775	PLGA775
Thermal Design Power (TDP)	65 Watt	84 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® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)