EPYC 9124 vs EPYC 7742

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Aggregate performance score

EPYC 7742
2019
64 cores / 128 threads, 225 Watt
45.52
+58.4%

EPYC 7742 outperforms EPYC 9124 by an impressive 58% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7742 and EPYC 9124 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking45170
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.4722.31
Market segmentServerServer
SeriesAMD EPYCAMD EPYC
Power efficiency18.4513.10
Architecture codenameZen 2 (2017−2020)Genoa (2022−2023)
Release date7 August 2019 (5 years ago)10 November 2022 (1 year ago)
Launch price (MSRP)$6,950$1,083

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9124 has 543% better value for money than EPYC 7742.

Detailed specifications

EPYC 7742 and EPYC 9124 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)16 (Hexadeca-Core)
Threads12832
Base clock speed2.25 GHz3 GHz
Boost clock speed3.4 GHz3 GHz
Multiplier22.530
L1 cache96K (per core)1 MB
L2 cache512K (per core)16 MB
L3 cache256 MB (shared)64 MB (shared)
Chip lithography7 nm, 14 nm5 nm, 6 nm
Die size192 mm24x 72 mm2
Number of transistors4,800 million26,280 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on EPYC 7742 and EPYC 9124 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)2
SocketTR4SP5
Power consumption (TDP)225 Watt200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7742 and EPYC 9124. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7742 and EPYC 9124 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7742 and EPYC 9124. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5-4800
Maximum memory size4 TiB6 TiB
Max memory channels8no data
Maximum memory bandwidth204.763 GB/s460.8 GB/s
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by EPYC 7742 and EPYC 9124.

PCIe versionno data5.0
PCI Express lanesno data128

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 7742 45.52
+58.4%
EPYC 9124 28.73

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 7742 69663
+58.5%
EPYC 9124 43963

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

EPYC 7742 1204
EPYC 9124 1832
+52.2%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

EPYC 7742 11782
EPYC 9124 13428
+14%

Gaming performance

Pros & cons summary


Performance score 45.52 28.73
Recency 7 August 2019 10 November 2022
Physical cores 64 16
Threads 128 32
Chip lithography 7 nm 5 nm
Power consumption (TDP) 225 Watt 200 Watt

EPYC 7742 has a 58.4% higher aggregate performance score, and 300% more physical cores and 300% more threads.

EPYC 9124, on the other hand, has an age advantage of 3 years, a 40% more advanced lithography process, and 12.5% lower power consumption.

The EPYC 7742 is our recommended choice as it beats the EPYC 9124 in performance tests.


Should you still have questions on choice between EPYC 7742 and EPYC 9124, ask them in Comments section, and we shall answer.

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AMD EPYC 7742
EPYC 7742
AMD EPYC 9124
EPYC 9124

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Community ratings

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


4.3 128 votes

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3.8 6 votes

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Questions & comments

Here you can ask a question about EPYC 7742 or EPYC 9124, agree or disagree with our judgements, or report an error or mismatch.