AMD FX-8320E vs AMD A8-3870K

Comparative analysis of AMD FX-8320E 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 - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - Video Composition (Frames/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).

 

Differences

Reasons to consider the AMD FX-8320E

  • CPU is newer: launch date 2 year(s) 9 month(s) later
  • 4 more cores, run more applications at once: 8 vs 4
  • Around 33% higher clock speed: 4 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 18% better performance in PassMark - Single thread mark: 1433 vs 1210
  • 2.2x better performance in PassMark - CPU mark: 5090 vs 2328
  • Around 33% better performance in Geekbench 4 - Single Core: 495 vs 373
  • Around 92% better performance in Geekbench 4 - Multi-Core: 2254 vs 1172
  • 2.8x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 8.196 vs 2.914
  • Around 89% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 17.954 vs 9.482
  • Around 96% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.374 vs 0.191
  • Around 93% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 6.463 vs 3.344
Specifications (specs)
Launch date 2 September 2014 vs December 2011
Number of cores 8 vs 4
Maximum frequency 4 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 1433 vs 1210
PassMark - CPU mark 5090 vs 2328
Geekbench 4 - Single Core 495 vs 373
Geekbench 4 - Multi-Core 2254 vs 1172
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 8.196 vs 2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 17.954 vs 9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.374 vs 0.191
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 6.463 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-8320E
CPU 2: AMD A8-3870K

PassMark - Single thread mark
CPU 1
CPU 2
1433
1210
PassMark - CPU mark
CPU 1
CPU 2
5090
2328
Geekbench 4 - Single Core
CPU 1
CPU 2
495
373
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2254
1172
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
8.196
2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
17.954
9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.374
0.191
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
6.463
3.344
Name AMD FX-8320E AMD A8-3870K
PassMark - Single thread mark 1433 1210
PassMark - CPU mark 5090 2328
Geekbench 4 - Single Core 495 373
Geekbench 4 - Multi-Core 2254 1172
3DMark Fire Strike - Physics Score 2625
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 8.196 2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 17.954 9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.374 0.191
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 6.463 3.344
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.4
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-8320E AMD A8-3870K

Essentials

Architecture codename Vishera Llano
Family AMD FX-Series Processors
Launch date 2 September 2014 December 2011
OPN PIB FD832EWMHKBOX
OPN Tray FD832EWMW8KHK
Place in performance rating 2490 2549
Price now $94.42
Series AMD FX 8-Core Black Edition Processors
Value for money (0-100) 23.45
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.2 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 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™)