AMD Athlon X4 845 vs AMD A4-3420

Comparative analysis of AMD Athlon X4 845 and AMD A4-3420 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, 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), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Athlon X4 845

AMD A4-3420

Differences

Reasons to consider the AMD Athlon X4 845

2 more cores, run more applications at once: 4 vs 2
Around 36% higher clock speed: 3.8 GHz vs 2.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 32 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 51% better performance in PassMark - Single thread mark: 1678 vs 1113
3.6x better performance in PassMark - CPU mark: 3799 vs 1054
Around 50% better performance in Geekbench 4 - Single Core: 516 vs 345
2.5x better performance in Geekbench 4 - Multi-Core: 1548 vs 612

Specifications (specs)
Number of cores	4 vs 2
Maximum frequency	3.8 GHz vs 2.8 GHz
Manufacturing process technology	28 nm vs 32 nm
L2 cache	2 MB vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1678 vs 1113
PassMark - CPU mark	3799 vs 1054
Geekbench 4 - Single Core	516 vs 345
Geekbench 4 - Multi-Core	1548 vs 612

Compare benchmarks

CPU 1: AMD Athlon X4 845
CPU 2: AMD A4-3420

PassMark - Single thread mark

CPU 1

CPU 2

1678

1113

PassMark - CPU mark

CPU 1

CPU 2

3799

1054

Geekbench 4 - Single Core

CPU 1

CPU 2

516

345

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1548

612

Name	AMD Athlon X4 845	AMD A4-3420
PassMark - Single thread mark	1678	1113
PassMark - CPU mark	3799	1054
Geekbench 4 - Single Core	516	345
Geekbench 4 - Multi-Core	1548	612
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.853
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	11.946
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.244
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.237

Compare specifications (specs)

	AMD Athlon X4 845	AMD A4-3420
Essentials
Family	AMD Athlon Processors
OPN PIB	AD845XACKASBX
Place in performance rating	2631	2634
Series	AMD Athlon X4
Vertical segment	Desktop	Desktop
Architecture codename		Llano
Launch date		December 2011
Performance
Base frequency	3.5 GHz
L2 cache	2 MB	512 KB (per core)
Manufacturing process technology	28 nm	32 nm
Maximum core temperature	71.30°C
Maximum frequency	3.8 GHz	2.8 GHz
Number of cores	4	2
Number of threads	4
Unlocked
64 bit support
Die size		228 mm
L1 cache		128 KB (per core)
Transistor count		1178 million
Memory
Max memory channels	2
Supported memory frequency	2133 MHz
Supported memory types	DDR3	DDR3
Compatibility
Sockets supported	FM2+	FM1
Thermal Solution	Near Silent 95W
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		65 Watt
Peripherals
PCI Express revision	3.0
Advanced Technologies
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)