Intel Core i7-4820K vs AMD Athlon II X3 420e

Comparative analysis of Intel Core i7-4820K and AMD Athlon II X3 420e processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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, 3DMark Fire Strike - Physics Score, 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 Core i7-4820K

AMD Athlon II X3 420e

Differences

Reasons to consider the Intel Core i7-4820K

CPU is newer: launch date 3 year(s) 0 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
1 more cores, run more applications at once: 4 vs 3
Around 50% higher clock speed: 3.90 GHz vs 2.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
Around 85% better performance in PassMark - Single thread mark: 1961 vs 1058
4.2x better performance in PassMark - CPU mark: 6526 vs 1557

Specifications (specs)
Launch date	September 2013 vs September 2010
Unlocked	Unlocked vs Locked
Number of cores	4 vs 3
Maximum frequency	3.90 GHz vs 2.6 GHz
Manufacturing process technology	22 nm vs 45 nm
Benchmarks
PassMark - Single thread mark	1961 vs 1058
PassMark - CPU mark	6526 vs 1557

Reasons to consider the AMD Athlon II X3 420e

Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
2.9x lower typical power consumption: 45 Watt vs 130 Watt

L1 cache	128 KB (per core) vs 64 KB (per core)
L2 cache	512 KB (per core) vs 256 KB (per core)
Thermal Design Power (TDP)	45 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Core i7-4820K
CPU 2: AMD Athlon II X3 420e

PassMark - Single thread mark

CPU 1

CPU 2

1961

1058

PassMark - CPU mark

CPU 1

CPU 2

6526

1557

Name	Intel Core i7-4820K	AMD Athlon II X3 420e
PassMark - Single thread mark	1961	1058
PassMark - CPU mark	6526	1557
Geekbench 4 - Single Core	848
Geekbench 4 - Multi-Core	3531
3DMark Fire Strike - Physics Score	3874
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	5.079
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	94.62
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.648
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.812
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.745

Compare specifications (specs)

	Intel Core i7-4820K	AMD Athlon II X3 420e
Essentials
Architecture codename	Ivy Bridge E	Rana
Launch date	September 2013	September 2010
Launch price (MSRP)	$399	$116
Place in performance rating	2090	2114
Price now	$594.96	$116.15
Processor Number	i7-4820K
Series	Intel® Core™ X-series Processors
Status	Discontinued
Value for money (0-100)	4.81	5.80
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.70 GHz
Bus Speed	5 GT/s DMI2
Die size	257 mm	169 mm
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	10240 KB (shared)
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	66.8°C
Maximum frequency	3.90 GHz	2.6 GHz
Number of cores	4	3
Number of threads	8
Transistor count	1860 million	300 million
Unlocked
Memory
Max memory channels	4
Maximum memory bandwidth	59.7 GB/s
Maximum memory size	64 GB
Supported memory types	DDR3 1333/1600/1866	DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	52.5mm x 45.0mm
Sockets supported	FCLGA2011	AM3
Thermal Design Power (TDP)	130 Watt	45 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)