AMD Ryzen 9 7900X vs EPYC 7H12

Price now 4100$
Games supported 10%
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
AMD Ryzen 9 7900X
AMD Ryzen 9 7900X
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Price now 420$
Games supported 100%

General info

Comparing EPYC 7H12 and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ratingnot rated3
Place by popularity56no data
Value for moneyno data34.50
Market segmentServerDesktop processor
SeriesAMD EPYCno data
Architecture codenameZen 2 (2019−2020)Raphael (Zen4)
Release date18 September 2019
(3 years old)
26 September 2022
(less than a year old)
Current price$4100 $420
Value for money

To get the index we compare the characteristics of the processors and their cost, taking into account the cost of other processors.

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Technical specs

EPYC 7H12 and Ryzen 9 7900X 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)
Base clock speed2.6 GHz4.7 GHz
Boost clock speed3.3 GHz5.6 GHz
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache256 MB (shared)64 MB (shared)
Chip lithography7 nm, 14 nm5 nm
Die size192 mm22x 70 (CCD) mm2 + 122 (I/O) mm2
Maximum core temperatureno data95 °C
Maximum case temperature (TCase)no data47 °C
Number of transistors4,800 millionCCD: 6,5 Mrd + IOD: 3,4 Mrd Million
64 bit support+-
Windows 11 compatibility++
Unlocked multiplier++


Information on EPYC 7H12 and Ryzen 9 7900X 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 configuration2 (Multiprocessor)1
Thermal design power (TDP)280 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7H12 and Ryzen 9 7900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7H12 and Ryzen 9 7900X are enumerated here.


Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Ryzen 9 7900X. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5-5200
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics (Ryzen 7000)


Specifications and connection of peripherals supported by EPYC 7H12 and Ryzen 9 7900X.

PCIe versionno data5.0

Benchmark performance

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

  • 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.

Benchmark coverage: 67%

EPYC 7H12 100817
Ryzen 9 7900X 52080

EPYC 7H12 outperforms Ryzen 9 7900X by 94% in Passmark.

Advantages and disadvantages

Recency 18 September 2019 26 September 2022
Boost clock speed 3300 5600
Base clock speed 2600 4700
Chip lithography 7 nm 5 nm
Thermal design power (TDP) 280 Watt 170 Watt

Technical City couldn't decide between



AMD Ryzen 9 7900X
Ryzen 9 7900X

We've got no test results to judge.

Be aware that EPYC 7H12 is a server/workstation processor while Ryzen 9 7900X is a desktop one.

Should you still have questions on choice between EPYC 7H12 and Ryzen 9 7900X, ask them in Comments section, and we shall answer.

Cast your vote

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

Competitors of Ryzen 9 7900X by Intel

We believe that the nearest equivalent to Ryzen 9 7900X by Intel is Core i9-12900K, which is slower by 10% and lower by 7 positions in our rating.

Intel Core i9-12900K Core i9 12900K

Here are some closest Intel rivals to Ryzen 9 7900X:

Ryzen 9 7900X 100

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.

User rating

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

3.7 437 ratings

Rate AMD EPYC 7H12 on a scale of 1 to 5:

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4.5 72 ratings

Rate AMD Ryzen 9 7900X on a scale of 1 to 5:

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Questions and comments

Here you can ask a question about EPYC 7H12 or Ryzen 9 7900X, agree or disagree with our judgements, or report an error or mismatch.