Ryzen 9 7940HS vs EPYC 9684X

VS

Aggregate performance score

EPYC 9684X
2023
96 cores / 192 threads, 400 Watt
76.02
+298%
Ryzen 9 7940HS
2023
8 cores / 16 threads, 35 Watt
19.12

EPYC 9684X outperforms Ryzen 9 7940HS by a whopping 298% based on our aggregate benchmark results.

Primary details

Comparing EPYC 9684X and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking5307
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Power efficiency17.8951.43
Architecture codenameGenoa-X (2023)Phoenix-HS (Zen 4) (2023)
Release date13 June 2023 (1 year ago)January 2023 (1 year ago)
Launch price (MSRP)$14,756no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 9684X and Ryzen 9 7940HS 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 cores968 (Octa-Core)
Threads19216
Base clock speed2.55 GHz4 GHz
Boost clock speed3.7 GHz5.2 GHz
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache1152 MB (shared)16 MB (shared)
Chip lithography5 nm4 nm
Die size12x 72 mm2178 mm2
Maximum core temperatureno data100 °C
Number of transistors135,240 million25,000 million
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on EPYC 9684X and Ryzen 9 7940HS 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
SocketSP5FP8
Power consumption (TDP)400 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9684X and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataRyzen AI, MMX, 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++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9684X and Ryzen 9 7940HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9684X and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon 780M ( - 2800 MHz)

Peripherals

Specifications and connection of peripherals supported by EPYC 9684X and Ryzen 9 7940HS.

PCIe version5.04.0
PCI Express lanes12820

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 9684X 76.02
+298%
Ryzen 9 7940HS 19.12

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 9684X 120760
+298%
Ryzen 9 7940HS 30370

Gaming performance

Pros & cons summary


Performance score 76.02 19.12
Physical cores 96 8
Threads 192 16
Chip lithography 5 nm 4 nm
Power consumption (TDP) 400 Watt 35 Watt

EPYC 9684X has a 297.6% higher aggregate performance score, and 1100% more physical cores and 1100% more threads.

Ryzen 9 7940HS, on the other hand, has a 25% more advanced lithography process, and 1042.9% lower power consumption.

The EPYC 9684X is our recommended choice as it beats the Ryzen 9 7940HS in performance tests.

Be aware that EPYC 9684X is a server/workstation processor while Ryzen 9 7940HS is a notebook one.


Should you still have questions on choice between EPYC 9684X and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD EPYC 9684X
EPYC 9684X
AMD Ryzen 9 7940HS
Ryzen 9 7940HS

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Community ratings

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


3.2 28 votes

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4.4 1014 votes

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Questions & comments

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