Intel Core 2 Duo E6420 vs AMD Athlon 64 FX-57

Comparative analysis of Intel Core 2 Duo E6420 and AMD Athlon 64 FX-57 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.

Intel Core 2 Duo E6420

AMD Athlon 64 FX-57

Differences

Reasons to consider the Intel Core 2 Duo E6420

CPU is newer: launch date 1 year(s) 10 month(s) later
1 more cores, run more applications at once: 2 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 60% lower typical power consumption: 65 Watt vs 104 Watt
Around 42% better performance in PassMark - Single thread mark: 785 vs 552
Around 47% better performance in PassMark - CPU mark: 760 vs 517

Specifications (specs)
Launch date	April 2007 vs June 2005
Number of cores	2 vs 1
Manufacturing process technology	65 nm vs 90 nm
L2 cache	4096 KB vs 1024 KB
Thermal Design Power (TDP)	65 Watt vs 104 Watt
Benchmarks
PassMark - Single thread mark	785 vs 552
PassMark - CPU mark	760 vs 517

Reasons to consider the AMD Athlon 64 FX-57

Around 31% higher clock speed: 2.8 GHz vs 2.13 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later

Maximum frequency	2.8 GHz vs 2.13 GHz
L1 cache	128 KB vs 64 KB

Compare benchmarks

CPU 1: Intel Core 2 Duo E6420
CPU 2: AMD Athlon 64 FX-57

PassMark - Single thread mark

CPU 1

CPU 2

785

552

PassMark - CPU mark

CPU 1

CPU 2

760

517

Name	Intel Core 2 Duo E6420	AMD Athlon 64 FX-57
PassMark - Single thread mark	785	552
PassMark - CPU mark	760	517
Geekbench 4 - Single Core	296
Geekbench 4 - Multi-Core	541

Compare specifications (specs)

	Intel Core 2 Duo E6420	AMD Athlon 64 FX-57
Essentials
Architecture codename	Conroe	San Diego
Launch date	April 2007	June 2005
Place in performance rating	2903	2914
Price now	$49.99
Processor Number	E6420
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	8.02
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.13 GHz
Bus Speed	1066 MHz FSB
Die size	143 mm2	115 mm
L1 cache	64 KB	128 KB
L2 cache	4096 KB	1024 KB
Manufacturing process technology	65 nm	90 nm
Maximum core temperature	60.1°C
Maximum frequency	2.13 GHz	2.8 GHz
Number of cores	2	1
Transistor count	291 million	114 million
VID voltage range	0.8500V-1.5V
Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	PLGA775	939
Thermal Design Power (TDP)	65 Watt	104 Watt
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)