AMD Sempron 145 vs Intel Celeron 420

Comparative analysis of AMD Sempron 145 and Intel Celeron 420 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.

AMD Sempron 145

Intel Celeron 420

Differences

Reasons to consider the AMD Sempron 145

CPU is newer: launch date 3 year(s) 3 month(s) later
Around 75% higher clock speed: 2.8 GHz vs 1.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
2x 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
2.2x better performance in PassMark - Single thread mark: 1033 vs 471
2.3x better performance in PassMark - CPU mark: 532 vs 235

Specifications (specs)
Launch date	September 2010 vs June 2007
Maximum frequency	2.8 GHz vs 1.6 GHz
Manufacturing process technology	45 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	1033 vs 471
PassMark - CPU mark	532 vs 235

Reasons to consider the Intel Celeron 420

Around 29% lower typical power consumption: 35 Watt vs 45 Watt
2.7x better performance in Geekbench 4 - Single Core: 883 vs 325
2.6x better performance in Geekbench 4 - Multi-Core: 834 vs 317

Specifications (specs)
Thermal Design Power (TDP)	35 Watt vs 45 Watt
Benchmarks
Geekbench 4 - Single Core	883 vs 325
Geekbench 4 - Multi-Core	834 vs 317

Compare benchmarks

CPU 1: AMD Sempron 145
CPU 2: Intel Celeron 420

PassMark - Single thread mark

CPU 1

CPU 2

1033

471

PassMark - CPU mark

CPU 1

CPU 2

532

235

Geekbench 4 - Single Core

CPU 1

CPU 2

325

883

Geekbench 4 - Multi-Core

CPU 1

CPU 2

317

834

Name	AMD Sempron 145	Intel Celeron 420
PassMark - Single thread mark	1033	471
PassMark - CPU mark	532	235
Geekbench 4 - Single Core	325	883
Geekbench 4 - Multi-Core	317	834

Compare specifications (specs)

	AMD Sempron 145	Intel Celeron 420
Essentials
Architecture codename	Sargas	Conroe
Launch date	September 2010	June 2007
Launch price (MSRP)	$95	$23
Place in performance rating	2739	2742
Price now	$16.98	$39.99
Value for money (0-100)	14.02	3.31
Vertical segment	Desktop	Desktop
Processor Number		420
Series		Legacy Intel® Celeron® Processor
Status		Discontinued
Performance
64 bit support
Die size	117 mm	77 mm2
L1 cache	128 KB (per core)	64 KB
L2 cache	1024 KB (per core)	512 KB
Manufacturing process technology	45 nm	65 nm
Maximum frequency	2.8 GHz	1.6 GHz
Number of cores	1	1
Transistor count	234 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	AM3	LGA775
Thermal Design Power (TDP)	45 Watt	35 Watt
Low Halogen Options Available
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
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
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)