i5-12400F vs Athlon 64 FX-51

VS

Aggregate performance score

Athlon 64 FX-51
2003
1 core / 1 thread, 89 Watt
0.28
Core i5-12400F
2022
6 cores / 12 threads, 65 Watt
12.29
+4289%

Core i5-12400F outperforms Athlon 64 FX-51 by a whopping 4289% based on our aggregate benchmark results.

Primary details

Comparing Athlon 64 FX-51 and Core i5-12400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3135631
Place by popularitynot in top-1002
Cost-effectiveness evaluationno data46.21
Market segmentDesktop processorDesktop processor
Power efficiency0.3017.89
Architecture codenameSledgeHammer (2003−2005)Alder Lake-S (2022)
Release dateSeptember 2003 (21 year ago)4 January 2022 (2 years ago)
Launch price (MSRP)no data$180

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon 64 FX-51 and Core i5-12400F 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 cores1 (Single-Core)6 (Hexa-Core)
Threads112
Base clock speedno data2.5 GHz
Boost clock speed2.2 GHz4.4 GHz
L1 cache128 KB80K (per core)
L2 cache1 MB1.25 MB (per core)
L3 cache0 KB18 MB (shared)
Chip lithography130 nmIntel 7 nm
Die size193 mm2163 mm2
Maximum core temperatureno data100 °C
Number of transistors105 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Athlon 64 FX-51 and Core i5-12400F 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 configuration11
Socket940FCLGA1700
Power consumption (TDP)89 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 FX-51 and Core i5-12400F. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Athlon 64 FX-51 and Core i5-12400F technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 64 FX-51 and Core i5-12400F are enumerated here.

AMD-V-+
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-51 and Core i5-12400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5-4800, DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Athlon 64 FX-51 and Core i5-12400F.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

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.

Athlon 64 FX-51 0.28
i5-12400F 12.29
+4289%

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.

Athlon 64 FX-51 437
i5-12400F 19520
+4367%

Gaming performance

Pros & cons summary


Performance score 0.28 12.29
Physical cores 1 6
Threads 1 12
Power consumption (TDP) 89 Watt 65 Watt

i5-12400F has a 4289.3% higher aggregate performance score, 500% more physical cores and 1100% more threads, and 36.9% lower power consumption.

The Core i5-12400F is our recommended choice as it beats the Athlon 64 FX-51 in performance tests.


Should you still have questions on choice between Athlon 64 FX-51 and Core i5-12400F, 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.


AMD Athlon 64 FX-51
Athlon 64 FX-51
Intel Core i5-12400F
Core i5-12400F

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.


5 1 vote

Rate Athlon 64 FX-51 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 13979 votes

Rate Core i5-12400F on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon 64 FX-51 or Core i5-12400F, agree or disagree with our judgements, or report an error or mismatch.