Ryzen 9 5900X vs Athlon 850

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Primary details

Comparing Athlon 850 and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated206
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data32.24
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 9
Power efficiencyno data22.17
Architecture codenameThunderbird (1999−2000)Vermeer (Zen3) (2020−2022)
Release date11 February 2000 (24 years ago)5 November 2020 (4 years ago)
Launch price (MSRP)$849$549

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon 850 and Ryzen 9 5900X 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)12 (Dodeca-Core)
Threads124
Base clock speedno data3.7 GHz
Boost clock speed0.85 GHz4.8 GHz
Multiplierno data37
L1 cache128 KB64K (per core)
L2 cache512 KB512K (per core)
L3 cache0 KB64 MB
Chip lithography180 nm7 nm, 12 nm
Die size102 mm22x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum case temperature (TCase)70 °C95 °C
Number of transistors22 million0 Million
64 bit support-+
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Athlon 850 and Ryzen 9 5900X 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
SocketAAM4
Power consumption (TDP)45 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 850 and Ryzen 9 5900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 850 and Ryzen 9 5900X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 850 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/A-

Peripherals

Specifications and connection of peripherals supported by Athlon 850 and Ryzen 9 5900X.

PCIe versionno data4.0

Pros & cons summary


Recency 11 February 2000 5 November 2020
Physical cores 1 12
Threads 1 24
Chip lithography 180 nm 7 nm
Power consumption (TDP) 45 Watt 105 Watt

Athlon 850 has 133.3% lower power consumption.

Ryzen 9 5900X, on the other hand, has an age advantage of 20 years, 1100% more physical cores and 2300% more threads, and a 2471.4% more advanced lithography process.

We couldn't decide between Athlon 850 and Ryzen 9 5900X. We've got no test results to judge.


Should you still have questions on choice between Athlon 850 and Ryzen 9 5900X, ask them in Comments section, and we shall answer.

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AMD Athlon 850
Athlon 850
AMD Ryzen 9 5900X
Ryzen 9 5900X

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Community ratings

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