AMD FX 8100 

Released October, 2011
  • 2.8 GHz
  • Octa core
  • Unlocked
5.2 Out of 10

CPUBoss Review Our evaluation of the AMD FX 8100 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

FX 8100
5.9
FX 6300
6.2
A8 7650K
7.4
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

FX 8100
5.2
FX 6300
6.6
A8 7650K
n.d.
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

FX 8100
0.0
FX 6300
0.0
A8 7650K
10.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

FX 8100
0.0
FX 6300
0.0
A8 7650K
8.6
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

FX 8100
5.7
FX 6300
6.0
A8 7650K
9.4
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

FX 8100
n.d.
FX 6300
6.5
A8 7650K
10.0
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5.2

CPUBoss Score

Combination of all six facets

FX 8100
5.2
FX 6300
5.8
A8 7650K
10.0

Benchmarks Real world tests of the AMD FX 8100

GeekBench 3 (Multi-core) Data courtesy Primate Labs

FX 8100
6,389
FX 6300
7,871
A8 7650K
n.d.

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 8100
1,523
FX 6300
2,053
A8 7650K
n.d.

GeekBench 3 (AES single core) Data courtesy Primate Labs

FX 8100
1,840 MB/s
FX 6300
2,290,000 MB/s
A8 7650K
n.d.

GeekBench (32-bit) Data courtesy Primate Labs

FX 8100
7,206
FX 6300
7,447
A8 7650K
n.d.

GeekBench

FX 8100
7,206
FX 6300
9,503
A8 7650K
n.d.

Cinebench R11.5

FX 8100
4.7
FX 6300
4.92
A8 7650K
n.d.

PassMark Data courtesy Passmark

FX 8100
6,063
A8 7650K
5,172
FX 6300
6,444

PassMark (Single Core)

FX 8100
1,115
FX 6300
1,446
A8 7650K
n.d.

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Turbo clock speed 3.1 GHz
Cores Octa core
Socket type AM3+
Is unlocked Yes

features

Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions
  1. ABM
  2. AES
  3. AMD-V
  4. AMD64
  5. AVX
  6. CLMUL
  7. CVT16
  8. F16C
  9. FMA4
  10. MMX
  11. SSE
  12. SSE2
  13. SSE3
  14. SSE4.1
  15. SSE4.2
  16. SSE4a
  17. Supplemental SSE3
  18. XOP
Supports dynamic frequency scaling Yes

integrated graphics

GPU None

bus

Architecture HyperTransport 3.1
Clock speed 2,600 MHz

details

Architecture x86-64
Threads 8 threads
L2 cache 8 MB
L2 cache per core 1 MB/core
L3 cache 8 MB
L3 cache per core 1 MB/core
Manufacture process 32 nm
Transistor count 1,200,000,000
Max CPUs 1
Die size 319 mm²
Clock multiplier 18
Voltage range 0.78 - 1.43V
Operating temperature Unknown - 70°C

overclocking

Overclocked clock speed 2.8 GHz
Overclocked clock speed (Water) 2.8 GHz
Overclocked clock speed (Air) 2.8 GHz

power consumption

TDP 95W
Annual home energy cost 22.89 $/year
Annual commercial energy cost 83.22 $/year
Performance per watt 1.76 pt/W
Typical power consumption 77.19W

memory controller

Memory controller Built-in
Memory type DDR3-1866
Channels Dual Channel
Supports ECC Yes
Maximum bandwidth 29,866.66 MB/s
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