Ryzen 9 7940HX vs EPYC 9354

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Aggregate performance score

EPYC 9354
2022
32 cores / 64 threads, 280 Watt
44.33
+26.9%

EPYC 9354 outperforms Ryzen 9 7940HX by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing EPYC 9354 and Ryzen 9 7940HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking53112
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation9.97no data
Market segmentServerLaptop
SeriesAMD EPYCAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency14.4457.89
Architecture codenameGenoa (2022−2023)Dragon Range-HX (Zen 4) (2023−2024)
Release date10 November 2022 (1 year ago)17 January 2024 (less than a year ago)
Launch price (MSRP)$3,420no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 9354 and Ryzen 9 7940HX 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 cores32 (Dotriaconta-Core)16 (Hexadeca-Core)
Threads6432
Base clock speed3.25 GHz2.4 GHz
Boost clock speed3.25 GHz5.2 GHz
Multiplier32.5no data
L1 cache2 MB1 MB
L2 cache32 MB16 MB
L3 cache256 MB (shared)64 MB
Chip lithography5 nm, 6 nm5 nm
Die size8x 72 mm2no data
Maximum core temperatureno data100 °C
Number of transistors52,560 million9900 Million
64 bit support++

Compatibility

Information on EPYC 9354 and Ryzen 9 7940HX 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 configuration2no data
SocketSP5FL1
Power consumption (TDP)280 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9354 and Ryzen 9 7940HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9354 and Ryzen 9 7940HX are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9354 and Ryzen 9 7940HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800DDR5
Maximum memory size6 TiBno data
Maximum memory bandwidth460.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by EPYC 9354 and Ryzen 9 7940HX.

PCIe version5.0no data
PCI Express lanes128no data

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 9354 44.33
+26.9%
Ryzen 9 7940HX 34.92

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 9354 67842
+26.9%
Ryzen 9 7940HX 53448

Gaming performance

Pros & cons summary


Performance score 44.33 34.92
Recency 10 November 2022 17 January 2024
Physical cores 32 16
Threads 64 32
Power consumption (TDP) 280 Watt 55 Watt

EPYC 9354 has a 26.9% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Ryzen 9 7940HX, on the other hand, has an age advantage of 1 year, and 409.1% lower power consumption.

The EPYC 9354 is our recommended choice as it beats the Ryzen 9 7940HX in performance tests.

Be aware that EPYC 9354 is a server/workstation processor while Ryzen 9 7940HX is a notebook one.


Should you still have questions on choice between EPYC 9354 and Ryzen 9 7940HX, ask them in Comments section, and we shall answer.

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AMD EPYC 9354
EPYC 9354
AMD Ryzen 9 7940HX
Ryzen 9 7940HX

Similar processor comparisons

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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 EPYC 9354 or Ryzen 9 7940HX, agree or disagree with our judgements, or report an error or mismatch.