Ryzen 9 9900X vs EPYC 7773X

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Aggregate performance score

EPYC 7773X
2022
64 cores / 128 threads, 280 Watt
57.60
+67.2%
Ryzen 9 9900X
2024
12 cores / 24 threads, 120 Watt
34.46

EPYC 7773X outperforms Ryzen 9 9900X by an impressive 67% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7773X and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22109
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data66.56
Market segmentServerDesktop processor
Power efficiency19.4727.18
Architecture codenameMilan-X (2022)Granite Ridge (2024)
Release date22 March 2022 (2 years ago)15 August 2024 (less than a year ago)
Launch price (MSRP)no data$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7773X and Ryzen 9 9900X 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 cores64 (Tetrahexaconta-Core)12 (Dodeca-Core)
Threads12824
Base clock speed2.2 GHz4.4 GHz
Boost clock speed3.5 GHz5.6 GHz
L1 cache64K (per core)80 KB (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache768 MB (shared)64 MB (shared)
Chip lithography7 nm4 nm
Die size8x 81 mm22x 70.6 mm2
Maximum core temperatureno data95 °C
Number of transistors33,200 million16,630 million
64 bit support-+
Unlocked multiplier-+

Compatibility

Information on EPYC 7773X and Ryzen 9 9900X 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 configuration21
SocketSP3AM5
Power consumption (TDP)280 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7773X and Ryzen 9 9900X. 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++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7773X and Ryzen 9 9900X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7773X and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by EPYC 7773X and Ryzen 9 9900X.

PCIe version4.05.0
PCI Express lanes12824

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.

EPYC 7773X 57.60
+67.2%
Ryzen 9 9900X 34.46

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.

EPYC 7773X 91491
+67.1%
Ryzen 9 9900X 54744

Gaming performance

Pros & cons summary


Performance score 57.60 34.46
Recency 22 March 2022 15 August 2024
Physical cores 64 12
Threads 128 24
Chip lithography 7 nm 4 nm
Power consumption (TDP) 280 Watt 120 Watt

EPYC 7773X has a 67.2% higher aggregate performance score, and 433.3% more physical cores and 433.3% more threads.

Ryzen 9 9900X, on the other hand, has an age advantage of 2 years, a 75% more advanced lithography process, and 133.3% lower power consumption.

The EPYC 7773X is our recommended choice as it beats the Ryzen 9 9900X in performance tests.

Be aware that EPYC 7773X is a server/workstation processor while Ryzen 9 9900X is a desktop one.


Should you still have questions on choice between EPYC 7773X and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

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


AMD EPYC 7773X
EPYC 7773X
AMD Ryzen 9 9900X
Ryzen 9 9900X

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Community ratings

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


3.3 23 votes

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Questions & comments

Here you can ask a question about EPYC 7773X or Ryzen 9 9900X, agree or disagree with our judgements, or report an error or mismatch.