Intel Core 2 Duo P7450 vs Intel Core 2 Duo E8400

Comparative analysis of Intel Core 2 Duo P7450 and Intel Core 2 Duo E8400 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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), 3DMark Fire Strike - Physics Score.

Intel Core 2 Duo P7450

Intel Core 2 Duo E8400

Differences

Reasons to consider the Intel Core 2 Duo P7450

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 24% higher maximum core temperature: 90°C vs 72.4°C
2.6x lower typical power consumption: 25 Watt vs 65 Watt

Launch date	1 January 2009 vs January 2008
Maximum core temperature	90°C vs 72.4°C
Thermal Design Power (TDP)	25 Watt vs 65 Watt

Reasons to consider the Intel Core 2 Duo E8400

Around 41% higher clock speed: 3 GHz vs 2.13 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 47% better performance in PassMark - Single thread mark: 1234 vs 840
Around 53% better performance in PassMark - CPU mark: 1210 vs 793
Around 52% better performance in Geekbench 4 - Single Core: 422 vs 278
Around 56% better performance in Geekbench 4 - Multi-Core: 738 vs 473
Around 43% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.33 vs 0.231
Around 93% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.311 vs 13.657
Around 50% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.099 vs 0.066
Around 88% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.68 vs 0.362
Around 43% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2.408 vs 1.679

Specifications (specs)
Maximum frequency	3 GHz vs 2.13 GHz
L2 cache	6144 KB vs 3072 KB
Benchmarks
PassMark - Single thread mark	1234 vs 840
PassMark - CPU mark	1210 vs 793
Geekbench 4 - Single Core	422 vs 278
Geekbench 4 - Multi-Core	738 vs 473
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.33 vs 0.231
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.311 vs 13.657
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.099 vs 0.066
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.68 vs 0.362
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.408 vs 1.679

Compare benchmarks

CPU 1: Intel Core 2 Duo P7450
CPU 2: Intel Core 2 Duo E8400

PassMark - Single thread mark

CPU 1

CPU 2

840

1234

PassMark - CPU mark

CPU 1

CPU 2

793

1210

Geekbench 4 - Single Core

CPU 1

CPU 2

278

422

Geekbench 4 - Multi-Core

CPU 1

CPU 2

473

738

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.231

0.33

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

13.657

26.311

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.066

0.099

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.362

0.68

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

1.679

2.408

Name	Intel Core 2 Duo P7450	Intel Core 2 Duo E8400
PassMark - Single thread mark	840	1234
PassMark - CPU mark	793	1210
Geekbench 4 - Single Core	278	422
Geekbench 4 - Multi-Core	473	738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.231	0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	13.657	26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.066	0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.362	0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.679	2.408
3DMark Fire Strike - Physics Score		2400

Compare specifications (specs)

	Intel Core 2 Duo P7450	Intel Core 2 Duo E8400
Essentials
Architecture codename	Penryn	Wolfdale
Launch date	1 January 2009	January 2008
Place in performance rating	3239	2981
Price now	$39.99	$129.95
Processor Number	P7450	E8400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	10.44	4.87
Vertical segment	Mobile	Desktop
Performance
64 bit support
Base frequency	2.13 GHz	3.00 GHz
Bus Speed	1066 MHz FSB	1333 MHz FSB
Die size	107 mm2	107 mm2
Front-side bus (FSB)	1066 MHz
L2 cache	3072 KB	6144 KB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	90°C	72.4°C
Maximum frequency	2.13 GHz	3 GHz
Number of cores	2	2
Number of threads	2
Transistor count	410 million	410 million
VID voltage range	1.050V-1.150V	0.8500V-1.3625V
L1 cache		128 KB
Maximum case temperature (TCase)		72 °C
Compatibility
Low Halogen Options Available
Sockets supported	PGA478	LGA775
Thermal Design Power (TDP)	25 Watt	65 Watt
Max number of CPUs in a configuration		1
Package Size		37.5mm x 37.5mm
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Idle States
Intel® AES New Instructions
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Memory
Supported memory types		DDR1, DDR2, DDR3