Intel Celeron M U3400 vs Intel Core 2 Duo P7450

Comparative analysis of Intel Celeron M U3400 and Intel Core 2 Duo P7450 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. 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).

Intel Celeron M U3400

Intel Core 2 Duo P7450

Differences

Reasons to consider the Intel Celeron M U3400

CPU is newer: launch date 1 year(s) 4 month(s) later
Around 17% higher maximum core temperature: 105°C vs 90°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 39% lower typical power consumption: 18 Watt vs 25 Watt

Launch date	24 May 2010 vs 1 January 2009
Maximum core temperature	105°C vs 90°C
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	18 Watt vs 25 Watt

Reasons to consider the Intel Core 2 Duo P7450

Around 101% higher clock speed: 2.13 GHz vs 1.06 GHz
6x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 84% better performance in PassMark - Single thread mark: 840 vs 456
Around 54% better performance in PassMark - CPU mark: 793 vs 516
Around 73% better performance in Geekbench 4 - Single Core: 278 vs 161
Around 54% better performance in Geekbench 4 - Multi-Core: 473 vs 307

Specifications (specs)
Maximum frequency	2.13 GHz vs 1.06 GHz
L2 cache	3072 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	840 vs 456
PassMark - CPU mark	793 vs 516
Geekbench 4 - Single Core	278 vs 161
Geekbench 4 - Multi-Core	473 vs 307

Compare benchmarks

CPU 1: Intel Celeron M U3400
CPU 2: Intel Core 2 Duo P7450

PassMark - Single thread mark

CPU 1

CPU 2

456

840

PassMark - CPU mark

CPU 1

CPU 2

516

793

Geekbench 4 - Single Core

CPU 1

CPU 2

161

278

Geekbench 4 - Multi-Core

CPU 1

CPU 2

307

473

Name	Intel Celeron M U3400	Intel Core 2 Duo P7450
PassMark - Single thread mark	456	840
PassMark - CPU mark	516	793
Geekbench 4 - Single Core	161	278
Geekbench 4 - Multi-Core	307	473
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.231
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		13.657
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.066
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.362
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		1.679

Compare specifications (specs)

	Intel Celeron M U3400	Intel Core 2 Duo P7450
Essentials
Architecture codename	Arrandale	Penryn
Launch date	24 May 2010	1 January 2009
Place in performance rating	3228	3239
Processor Number	U3400	P7450
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Price now		$39.99
Value for money (0-100)		10.44
Performance
64 bit support
Base frequency	1.06 GHz	2.13 GHz
Bus Speed	2.5 GT/s DMI	1066 MHz FSB
Die size	81 mm2	107 mm2
Front-side bus (FSB)	2500 MHz	1066 MHz
L2 cache	512 KB	3072 KB
L3 cache	2048 KB
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	105°C	90°C
Maximum frequency	1.06 GHz	2.13 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	382 million	410 million
VID voltage range		1.050V-1.150V
Memory
Max memory channels	2
Maximum memory bandwidth	12.8 GB/s
Maximum memory size	8 GB
Supported memory types	DDR3 800
Graphics
Graphics base frequency	166 MHz
Graphics max dynamic frequency	500 MHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	BGA 34mm x 28mm
Sockets supported	BGA1288	PGA478
Thermal Design Power (TDP)	18 Watt	25 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
FSB parity
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)