AMD Athlon II X4 645 vs Intel Celeron E3400

Comparative analysis of AMD Athlon II X4 645 and Intel Celeron E3400 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s).

AMD Athlon II X4 645

Intel Celeron E3400

Differences

Reasons to consider the AMD Athlon II X4 645

CPU is newer: launch date 8 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 19% higher clock speed: 3.1 GHz vs 2.6 GHz
4x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 25% better performance in PassMark - Single thread mark: 1256 vs 1001
2.7x better performance in PassMark - CPU mark: 2348 vs 869
Around 25% better performance in Geekbench 4 - Single Core: 375 vs 301
2.4x better performance in Geekbench 4 - Multi-Core: 1215 vs 510

Specifications (specs)
Launch date	September 2010 vs January 2010
Number of cores	4 vs 2
Maximum frequency	3.1 GHz vs 2.6 GHz
L1 cache	128 KB (per core) vs 64 KB (per core)
L2 cache	512 KB (per core) vs 1024 KB (shared)
Benchmarks
PassMark - Single thread mark	1256 vs 1001
PassMark - CPU mark	2348 vs 869
Geekbench 4 - Single Core	375 vs 301
Geekbench 4 - Multi-Core	1215 vs 510

Reasons to consider the Intel Celeron E3400

Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Thermal Design Power (TDP)	65 Watt vs 95 Watt

Compare benchmarks

CPU 1: AMD Athlon II X4 645
CPU 2: Intel Celeron E3400

PassMark - Single thread mark

CPU 1

CPU 2

1256

1001

PassMark - CPU mark

CPU 1

CPU 2

2348

869

Geekbench 4 - Single Core

CPU 1

CPU 2

375

301

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1215

510

Name	AMD Athlon II X4 645	Intel Celeron E3400
PassMark - Single thread mark	1256	1001
PassMark - CPU mark	2348	869
Geekbench 4 - Single Core	375	301
Geekbench 4 - Multi-Core	1215	510
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.103
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.496

Compare specifications (specs)

	AMD Athlon II X4 645	Intel Celeron E3400
Essentials
Architecture codename	Propus	Wolfdale
Launch date	September 2010	January 2010
Launch price (MSRP)	$80	$76
Place in performance rating	2780	2753
Price now	$49.99	$75.47
Value for money (0-100)	20.48	5.63
Vertical segment	Desktop	Desktop
Processor Number		E3400
Series		Legacy Intel® Celeron® Processor
Status		Discontinued
Performance
64 bit support
Die size	169 mm	82 mm
L1 cache	128 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	1024 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	3.1 GHz	2.6 GHz
Number of cores	4	2
Transistor count	300 million	228 million
Base frequency		2.60 GHz
Bus Speed		800 MHz FSB
Maximum core temperature		74.1°C
VID voltage range		0.8500V-1.3625V
Memory
Supported memory types	DDR3	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	LGA775
Thermal Design Power (TDP)	95 Watt	65 Watt
Low Halogen Options Available
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® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)