FX-8100 vs Celeron B820

VS

Aggregate performance score

Celeron B820
2012
2 cores / 2 threads, 35 Watt
0.52

FX-8100 outperforms Celeron B820 by a whopping 408% based on our aggregate benchmark results.

Primary details

Comparing Celeron B820 and FX-8100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28711731
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Celeronno data
Power efficiency1.362.54
Architecture codenameSandy Bridge (2011−2013)Zambezi (2011−2012)
Release date1 July 2012 (12 years ago)12 October 2011 (13 years ago)
Launch price (MSRP)$86no data

Detailed specifications

Celeron B820 and FX-8100 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)8 (Octa-Core)
Threads28
Base clock speed1.7 GHz2.8 GHz
Boost clock speed1.7 GHz3.7 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier17no data
L1 cache64K (per core)384 KB
L2 cache256K (per core)8 MB
L3 cache2 MB (shared)8 MB (shared)
Chip lithography32 nm32 nm
Die size131 mm2315 mm2
Maximum core temperature100 °Cno data
Number of transistors504 million1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Celeron B820 and FX-8100 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCPGA988,PGA988AM3+
Power consumption (TDP)35 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and FX-8100. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI-+
FMA++
AVX-+
Enhanced SpeedStep (EIST)+no data
My WiFi-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Celeron B820 and FX-8100 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B820 and FX-8100 are enumerated here.

AMD-V-+
VT-d-no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B820 and FX-8100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® Processorsno data
Graphics max frequency1.05 GHzno data

Graphics interfaces

Available interfaces and connections of Celeron B820 and FX-8100 integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Celeron B820 and FX-8100.

PCIe version2.02.0
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Celeron B820 0.52
FX-8100 2.64
+408%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Celeron B820 802
FX-8100 4055
+406%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Celeron B820 280
FX-8100 411
+46.8%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Celeron B820 492
FX-8100 1819
+270%

Gaming performance

Pros & cons summary


Performance score 0.52 2.64
Recency 1 July 2012 12 October 2011
Physical cores 2 8
Threads 2 8
Power consumption (TDP) 35 Watt 95 Watt

Celeron B820 has an age advantage of 8 months, and 171.4% lower power consumption.

FX-8100, on the other hand, has a 407.7% higher aggregate performance score, and 300% more physical cores and 300% more threads.

The FX-8100 is our recommended choice as it beats the Celeron B820 in performance tests.

Be aware that Celeron B820 is a notebook processor while FX-8100 is a desktop one.


Should you still have questions on choice between Celeron B820 and FX-8100, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Celeron B820
Celeron B820
AMD FX-8100
FX-8100

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.8 141 vote

Rate Celeron B820 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 62 votes

Rate FX-8100 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Celeron B820 or FX-8100, agree or disagree with our judgements, or report an error or mismatch.