AMD A10-5800K vs AMD FX-8120

Comparative analysis of AMD A10-5800K and AMD FX-8120 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization, Peripherals, Advanced Technologies. 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 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD A10-5800K

AMD FX-8120

Differences

Reasons to consider the AMD A10-5800K

CPU is newer: launch date 0 year(s) 11 month(s) later
Around 5% higher clock speed: 4.2 GHz vs 4 GHz
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
Around 12% better performance in PassMark - Single thread mark: 1492 vs 1330
Around 9% better performance in Geekbench 4 - Single Core: 523 vs 480

Specifications (specs)
Launch date	26 September 2012 vs October 2011
Maximum frequency	4.2 GHz vs 4 GHz
L1 cache	128 KB (per core) vs 384 KB
Thermal Design Power (TDP)	100 Watt vs 125 Watt
Benchmarks
PassMark - Single thread mark	1492 vs 1330
Geekbench 4 - Single Core	523 vs 480

Reasons to consider the AMD FX-8120

4 more cores, run more applications at once: 8 vs 4
4 more threads: 8 vs 4
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 57% better performance in PassMark - CPU mark: 4631 vs 2954
Around 42% better performance in Geekbench 4 - Multi-Core: 2092 vs 1469
Around 71% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.468 vs 4.37
Around 82% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 18 vs 9.891
Around 84% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.38 vs 0.206
Around 51% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.898 vs 0.594
Around 61% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.613 vs 3.484

Specifications (specs)
Number of cores	8 vs 4
Number of threads	8 vs 4
L2 cache	8 MB vs 4096 KB
Benchmarks
PassMark - CPU mark	4631 vs 2954
Geekbench 4 - Multi-Core	2092 vs 1469
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.468 vs 4.37
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	18 vs 9.891
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.38 vs 0.206
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.898 vs 0.594
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.613 vs 3.484

Compare benchmarks

CPU 1: AMD A10-5800K
CPU 2: AMD FX-8120

PassMark - Single thread mark

CPU 1

CPU 2

1492

1330

PassMark - CPU mark

CPU 1

CPU 2

2954

4631

Geekbench 4 - Single Core

CPU 1

CPU 2

523

480

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1469

2092

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

4.37

7.468

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

CPU 1

CPU 2

9.891

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

CPU 1

CPU 2

0.206

0.38

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.594

0.898

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.484

5.613

Name	AMD A10-5800K	AMD FX-8120
PassMark - Single thread mark	1492	1330
PassMark - CPU mark	2954	4631
Geekbench 4 - Single Core	523	480
Geekbench 4 - Multi-Core	1469	2092
3DMark Fire Strike - Physics Score	0	2399
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.37	7.468
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.891	18
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.206	0.38
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.594	0.898
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.484	5.613
GFXBench 4.0 - Car Chase Offscreen (Frames)	1020
GFXBench 4.0 - Manhattan (Frames)	2453
GFXBench 4.0 - T-Rex (Frames)	5148
GFXBench 4.0 - Car Chase Offscreen (Fps)	1020
GFXBench 4.0 - Manhattan (Fps)	2453
GFXBench 4.0 - T-Rex (Fps)	5148

Compare specifications (specs)

	AMD A10-5800K	AMD FX-8120
Essentials
Architecture codename	Trinity	Zambezi
Launch date	26 September 2012	October 2011
Launch price (MSRP)	$122
Place in performance rating	1887	2675
Series	AMD A-Series (Desktop)	AMD FX 8-Core Black Edition Processors
Vertical segment	Desktop	Desktop
Family		AMD FX-Series Processors
OPN PIB		FD8120FRGUBOX
OPN Tray		FD8120FRW8KGU
Price now		$99.99
Value for money (0-100)		19.43
Performance
64 bit support
Die size	246 mm	315 mm
L1 cache	128 KB (per core)	384 KB
L2 cache	4096 KB	8 MB
Manufacturing process technology	32 nm	32 nm
Maximum case temperature (TCase)	74 °C
Maximum frequency	4.2 GHz	4 GHz
Number of cores	4	8
Number of threads	4	8
Transistor count	1303 Million	1200 million
Unlocked
Base frequency		3.1 GHz
L3 cache		8 MB
Maximum core temperature		61°C
P0 Vcore voltage		Min: 1.0125 V - Max: 1.4125 V
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM2	AM3+
Thermal Design Power (TDP)	100 Watt	125 Watt
Virtualization
AMD Virtualization (AMD-V™)
Peripherals
PCI Express revision		n / a
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions