Intel Core 2 Duo E8400 vs Intel Pentium D 925

Comparative analysis of Intel Core 2 Duo E8400 and Intel Pentium D 925 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 D 925

Differences

Reasons to consider the Intel Core 2 Duo E8400

CPU is newer: launch date 1 year(s) 3 month(s) later
Around 14% higher maximum core temperature: 72.4°C vs 63.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
4.6x 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 46% lower typical power consumption: 65 Watt vs 95 Watt
2.1x better performance in Geekbench 4 - Single Core: 422 vs 198
2.2x better performance in Geekbench 4 - Multi-Core: 738 vs 341

Specifications (specs)
Launch date	January 2008 vs October 2006
Maximum core temperature	72.4°C vs 63.4°C
Manufacturing process technology	45 nm vs 65 nm
L1 cache	128 KB vs 28 KB
L2 cache	6144 KB vs 4096 KB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	422 vs 198
Geekbench 4 - Multi-Core	738 vs 341

Reasons to consider the Intel Pentium D 925

Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Core 2 Duo E8400
CPU 2: Intel Pentium D 925

Geekbench 4 - Single Core

CPU 1

CPU 2

422

198

Geekbench 4 - Multi-Core

CPU 1

CPU 2

738

341

Name	Intel Core 2 Duo E8400	Intel Pentium D 925
PassMark - Single thread mark	1234
PassMark - CPU mark	1210
Geekbench 4 - Single Core	422	198
Geekbench 4 - Multi-Core	738	341
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 D 925
Essentials
Architecture codename	Wolfdale	Presler
Launch date	January 2008	October 2006
Place in performance rating	2981	3293
Price now	$129.95
Processor Number	E8400	925
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	162 mm2
L1 cache	128 KB	28 KB
L2 cache	6144 KB	4096 KB
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	72 °C
Maximum core temperature	72.4°C	63.4°C
Maximum frequency	3 GHz	3 GHz
Number of cores	2	2
Transistor count	410 million	376 million
VID voltage range	0.8500V-1.3625V	1.200V-1.3375V
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)