AMD FX-8300 vs AMD A8-3870K

Comparative analysis of AMD FX-8300 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-8300

AMD A8-3870K

Differences

Reasons to consider the AMD FX-8300

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 5% lower typical power consumption: 95 Watt vs 100 Watt
Around 23% better performance in PassMark - Single thread mark: 1493 vs 1210
2.3x better performance in PassMark - CPU mark: 5339 vs 2328
Around 39% better performance in Geekbench 4 - Single Core: 518 vs 373
Around 98% better performance in Geekbench 4 - Multi-Core: 2318 vs 1172
3x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 8.817 vs 2.914
2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 19.41 vs 9.482
2.1x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.397 vs 0.191
2.5x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.995 vs 0.4
Around 79% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.999 vs 3.344

Specifications (specs)
Launch date	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)
Thermal Design Power (TDP)	95 Watt vs 100 Watt
Benchmarks
PassMark - Single thread mark	1493 vs 1210
PassMark - CPU mark	5339 vs 2328
Geekbench 4 - Single Core	518 vs 373
Geekbench 4 - Multi-Core	2318 vs 1172
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	8.817 vs 2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	19.41 vs 9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.397 vs 0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.995 vs 0.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.999 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

L1 cache	128 KB (per core) vs 384 KB

Compare benchmarks

CPU 1: AMD FX-8300
CPU 2: AMD A8-3870K

PassMark - Single thread mark

CPU 1

CPU 2

1493

1210

PassMark - CPU mark

CPU 1

CPU 2

5339

2328

Geekbench 4 - Single Core

CPU 1

CPU 2

518

373

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2318

1172

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

8.817

2.914

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

CPU 1

CPU 2

19.41

9.482

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

CPU 1

CPU 2

0.397

0.191

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.995

0.4

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

5.999

3.344

Name	AMD FX-8300	AMD A8-3870K
PassMark - Single thread mark	1493	1210
PassMark - CPU mark	5339	2328
Geekbench 4 - Single Core	518	373
Geekbench 4 - Multi-Core	2318	1172
3DMark Fire Strike - Physics Score	2697
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	8.817	2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	19.41	9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.397	0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.995	0.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.999	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-8300	AMD A8-3870K
Essentials
Architecture codename	Vishera	Llano
Family	AMD FX-Series Processors
Launch date	October 2012	December 2011
OPN PIB	FD8300WMHKBOX
OPN Tray	FD8300WMW8KHK
Place in performance rating	2547	2549
Price now	$80.59
Series	AMD FX 8-Core Black Edition Processors
Value for money (0-100)	28.21
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.3 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	70.50°C
Maximum frequency	4.2 GHz	3 GHz
Number of cores	8	4
Number of threads	8
P0 Vcore voltage	Min: 1.075 V - Max: 1.2875 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)	95 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™)