Intel Core 2 Duo E4500 vs Intel Pentium D 820

Comparative analysis of Intel Core 2 Duo E4500 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: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core 2 Duo E4500

Intel Pentium D 820

Differences

Reasons to consider the Intel Core 2 Duo E4500

CPU is newer: launch date 2 year(s) 2 month(s) later
Around 14% higher maximum core temperature: 73.3°C vs 64.1°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Around 53% better performance in Geekbench 4 - Single Core: 273 vs 179
Around 50% better performance in Geekbench 4 - Multi-Core: 462 vs 307

Specifications (specs)
Launch date	July 2007 vs May 2005
Maximum core temperature	73.3°C vs 64.1°C
Manufacturing process technology	65 nm vs 90 nm
L1 cache	64 KB vs 28 KB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	273 vs 179
Geekbench 4 - Multi-Core	462 vs 307

Reasons to consider the Intel Pentium D 820

Around 27% higher clock speed: 2.8 GHz vs 2.2 GHz

Maximum frequency	2.8 GHz vs 2.2 GHz
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Core 2 Duo E4500
CPU 2: Intel Pentium D 820

Geekbench 4 - Single Core

CPU 1

CPU 2

273

179

Geekbench 4 - Multi-Core

CPU 1

CPU 2

462

307

Name	Intel Core 2 Duo E4500	Intel Pentium D 820
PassMark - Single thread mark	813
PassMark - CPU mark	743
Geekbench 4 - Single Core	273	179
Geekbench 4 - Multi-Core	462	307

Compare specifications (specs)

	Intel Core 2 Duo E4500	Intel Pentium D 820
Essentials
Architecture codename	Conroe	Smithfield
Launch date	July 2007	May 2005
Place in performance rating	2913	3302
Price now	$39.99
Processor Number	E4500	820
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	9.37
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.20 GHz	2.80 GHz
Bus Speed	800 MHz FSB	800 MHz FSB
Die size	111 mm2	206 mm2
L1 cache	64 KB	28 KB
L2 cache	2048 KB	2048 KB
Manufacturing process technology	65 nm	90 nm
Maximum core temperature	73.3°C	64.1°C
Maximum frequency	2.2 GHz	2.8 GHz
Number of cores	2	2
Transistor count	167 million	230 million
VID voltage range	0.8500V-1.5V	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	LGA775	PLGA775
Thermal Design Power (TDP)	65 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® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)