AMD Athlon II X4 651 vs Intel Celeron 420

Comparative analysis of AMD Athlon II X4 651 and Intel Celeron 420 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization, Security & Reliability, Advanced Technologies. 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 - Bitcoin Mining (mHash/s).

AMD Athlon II X4 651

Intel Celeron 420

Differences

Reasons to consider the AMD Athlon II X4 651

CPU is newer: launch date 4 year(s) 5 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 88% higher clock speed: 3 GHz vs 1.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
8x more L1 cache, more data can be stored in the L1 cache for quick access later
8x more L2 cache, more data can be stored in the L2 cache for quick access later
2.7x better performance in PassMark - Single thread mark: 1271 vs 471
10.4x better performance in PassMark - CPU mark: 2443 vs 235
Around 60% better performance in Geekbench 4 - Multi-Core: 1335 vs 834

Specifications (specs)
Launch date	November 2011 vs June 2007
Number of cores	4 vs 1
Maximum frequency	3 GHz vs 1.6 GHz
Manufacturing process technology	32 nm vs 65 nm
L1 cache	128 KB (per core) vs 64 KB
L2 cache	1024 KB (per core) vs 512 KB
Benchmarks
PassMark - Single thread mark	1271 vs 471
PassMark - CPU mark	2443 vs 235
Geekbench 4 - Multi-Core	1335 vs 834

Reasons to consider the Intel Celeron 420

2.9x lower typical power consumption: 35 Watt vs 100 Watt
2.2x better performance in Geekbench 4 - Single Core: 883 vs 396

Specifications (specs)
Thermal Design Power (TDP)	35 Watt vs 100 Watt
Benchmarks
Geekbench 4 - Single Core	883 vs 396

Compare benchmarks

CPU 1: AMD Athlon II X4 651
CPU 2: Intel Celeron 420

PassMark - Single thread mark

CPU 1

CPU 2

1271

471

PassMark - CPU mark

CPU 1

CPU 2

2443

235

Geekbench 4 - Single Core

CPU 1

CPU 2

396

883

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1335

834

Name	AMD Athlon II X4 651	Intel Celeron 420
PassMark - Single thread mark	1271	471
PassMark - CPU mark	2443	235
Geekbench 4 - Single Core	396	883
Geekbench 4 - Multi-Core	1335	834
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.042
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.69

Compare specifications (specs)

	AMD Athlon II X4 651	Intel Celeron 420
Essentials
Architecture codename	Llano	Conroe
Launch date	November 2011	June 2007
Place in performance rating	2736	2742
Price now	$178.04	$39.99
Value for money (0-100)	5.93	3.31
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$23
Processor Number		420
Series		Legacy Intel® Celeron® Processor
Status		Discontinued
Performance
64 bit support
Die size	228 mm	77 mm2
L1 cache	128 KB (per core)	64 KB
L2 cache	1024 KB (per core)	512 KB
Manufacturing process technology	32 nm	65 nm
Maximum frequency	3 GHz	1.6 GHz
Number of cores	4	1
Transistor count	1178 million	105 million
Base frequency		1.60 GHz
Bus Speed		800 MHz FSB
Maximum case temperature (TCase)		60 °C
Maximum core temperature		60.4°C
VID voltage range		1.0000V-1.3375V
Memory
Supported memory types	DDR3	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1	LGA775
Thermal Design Power (TDP)	100 Watt	35 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
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