Ryzen 9 9950X vs Athlon X4 845

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Aggregate performance score

Athlon X4 845
2016
4 cores / 4 threads, 65 Watt
2.39
Ryzen 9 9950X
2024
16 cores / 32 threads, 170 Watt
41.77
+1648%

Ryzen 9 9950X outperforms Athlon X4 845 by a whopping 1648% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 845 and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking178658
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data65.14
Market segmentDesktop processorDesktop processor
Power efficiency3.4823.24
Architecture codenameCarrizo (2015−2018)Granite Ridge (2024)
Release date2 February 2016 (8 years ago)15 August 2024 (less than a year ago)
Launch price (MSRP)no data$649

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon X4 845 and Ryzen 9 9950X 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 cores4 (Quad-Core)16 (Hexadeca-Core)
Threads432
Base clock speed3.5 GHz4.3 GHz
Boost clock speed3.8 GHz5.7 GHz
L1 cache320K80 KB (per core)
L2 cache2 MB1 MB (per core)
L3 cacheno data64 MB (shared)
Chip lithography28 nm4 nm
Die size250 mm22x 70.6 mm2
Maximum core temperatureno data95 °C
Maximum case temperature (TCase)74 °Cno data
Number of transistors3,100 million16,630 million
64 bit support++
Unlocked multiplier++

Compatibility

Information on Athlon X4 845 and Ryzen 9 9950X 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
SocketFM2+AM5
Power consumption (TDP)65 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 845 and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataSMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 845 and Ryzen 9 9950X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 845 and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-2133DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Athlon X4 845 and Ryzen 9 9950X.

PCIe version3.05.0
PCI Express lanes824

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 X4 845 2.39
Ryzen 9 9950X 41.77
+1648%

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 X4 845 3799
Ryzen 9 9950X 66352
+1647%

Gaming performance

Pros & cons summary


Performance score 2.39 41.77
Recency 2 February 2016 15 August 2024
Physical cores 4 16
Threads 4 32
Chip lithography 28 nm 4 nm
Power consumption (TDP) 65 Watt 170 Watt

Athlon X4 845 has 161.5% lower power consumption.

Ryzen 9 9950X, on the other hand, has a 1647.7% higher aggregate performance score, an age advantage of 8 years, 300% more physical cores and 700% more threads, and a 600% more advanced lithography process.

The Ryzen 9 9950X is our recommended choice as it beats the Athlon X4 845 in performance tests.


Should you still have questions on choice between Athlon X4 845 and Ryzen 9 9950X, ask them in Comments section, and we shall answer.

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AMD Athlon X4 845
Athlon X4 845
AMD Ryzen 9 9950X
Ryzen 9 9950X

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Community ratings

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


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Questions & comments

Here you can ask a question about Athlon X4 845 or Ryzen 9 9950X, agree or disagree with our judgements, or report an error or mismatch.