AMD FX-8350 vs AMD A8-3870K

Comparative analysis of AMD FX-8350 and AMD A8-3870K 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, 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).

AMD FX-8350

AMD A8-3870K

Differences

Reasons to consider the AMD FX-8350

CPU is newer: launch date 10 month(s) later
4 more cores, run more applications at once: 8 vs 4
Around 40% higher clock speed: 4.2 GHz vs 3 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 31% better performance in PassMark - Single thread mark: 1582 vs 1212
2.6x better performance in PassMark - CPU mark: 6079 vs 2335
Around 52% better performance in Geekbench 4 - Single Core: 566 vs 373
2.3x better performance in Geekbench 4 - Multi-Core: 2751 vs 1172
3.4x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 9.886 vs 2.914
2.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 21.912 vs 9.482
2.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.424 vs 0.191
3x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.199 vs 0.4
2.1x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 7.137 vs 3.344

Specifications (specs)
Launch date	23 October 2012 vs December 2011
Number of cores	8 vs 4
Maximum frequency	4.2 GHz vs 3 GHz
L2 cache	8 MB vs 1024 KB (per core)
Benchmarks
PassMark - Single thread mark	1582 vs 1212
PassMark - CPU mark	6079 vs 2335
Geekbench 4 - Single Core	566 vs 373
Geekbench 4 - Multi-Core	2751 vs 1172
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.886 vs 2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	21.912 vs 9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.424 vs 0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.199 vs 0.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	7.137 vs 3.344

Reasons to consider the AMD A8-3870K

Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 25% lower typical power consumption: 100 Watt vs 125 Watt

L1 cache	128 KB (per core) vs 384 KB
Thermal Design Power (TDP)	100 Watt vs 125 Watt

Compare benchmarks

CPU 1: AMD FX-8350
CPU 2: AMD A8-3870K

PassMark - Single thread mark

CPU 1

CPU 2

1582

1212

PassMark - CPU mark

CPU 1

CPU 2

6079

2335

Geekbench 4 - Single Core

CPU 1

CPU 2

566

373

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2751

1172

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

9.886

2.914

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

21.912

9.482

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.424

0.191

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.199

0.4

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

7.137

3.344

Name	AMD FX-8350	AMD A8-3870K
PassMark - Single thread mark	1582	1212
PassMark - CPU mark	6079	2335
Geekbench 4 - Single Core	566	373
Geekbench 4 - Multi-Core	2751	1172
3DMark Fire Strike - Physics Score	1334
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.886	2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	21.912	9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.424	0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.199	0.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	7.137	3.344
GFXBench 4.0 - Car Chase Offscreen (Frames)		762
GFXBench 4.0 - Manhattan (Frames)		1721
GFXBench 4.0 - Car Chase Offscreen (Fps)		762
GFXBench 4.0 - Manhattan (Fps)		1721

Compare specifications (specs)

	AMD FX-8350	AMD A8-3870K
Essentials
Architecture codename	Vishera	Llano
Family	AMD FX-Series Processors
Launch date	23 October 2012	December 2011
OPN PIB	FD8350FRHKBOX
OPN Tray	FD8350FRW8KHK
Place in performance rating	2519	2539
Price now	$79.99
Series	AMD FX 8-Core Black Edition Processors
Value for money (0-100)	32.95
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	4 GHz
Die size	315 mm	228 mm
L1 cache	384 KB	128 KB (per core)
L2 cache	8 MB	1024 KB (per core)
L3 cache	8 MB
Manufacturing process technology	32 nm SOI	32 nm
Maximum core temperature	61°C
Maximum frequency	4.2 GHz	3 GHz
Number of cores	8	4
Number of threads	8
P0 Vcore voltage	Min: 1.2 V - Max: 1.4 V
Transistor count	1200 Million	1178 million
Unlocked
Memory
Supported memory frequency	1866 MHz
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3+	FM1
Thermal Design Power (TDP)	125 Watt	100 Watt
Peripherals
PCI Express revision	n / a
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)