Ryzen 7 PRO 7840U vs EPYC 7543

VS

Aggregate performance score

EPYC 7543
2021
32 cores / 64 threads, 225 Watt
38.34
+147%
Ryzen 7 PRO 7840U
2023
8 cores / 16 threads, 28 Watt
15.52

EPYC 7543 outperforms Ryzen 7 PRO 7840U by a whopping 147% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7543 and Ryzen 7 PRO 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking76449
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.04no data
Market segmentServerLaptop
SeriesAMD EPYCAMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency16.1352.46
Architecture codenameMilan (2021−2023)Phoenix (Zen 4) (2023)
Release date12 January 2021 (3 years ago)3 May 2023 (1 year ago)
Launch price (MSRP)$3,761no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7543 and Ryzen 7 PRO 7840U 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)8 (Octa-Core)
Threads6416
Base clock speed2.8 GHz3.3 GHz
Boost clock speed3.7 GHz5.1 GHz
Multiplier28no data
L1 cache2 MB512 KB
L2 cache16 MB8 MB
L3 cache256 MB (shared)16 MB
Chip lithography7 nm+4 nm
Die size8x 81 mm2178 mm2
Maximum core temperatureno data100 °C
Number of transistors33,200 millionno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on EPYC 7543 and Ryzen 7 PRO 7840U 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
SocketSP3no data
Power consumption (TDP)225 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7543 and Ryzen 7 PRO 7840U. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7543 and Ryzen 7 PRO 7840U are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7543 and Ryzen 7 PRO 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200no data
Maximum memory size4 TiBno data
Maximum memory bandwidth204.795 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon 780M ( - 2700 MHz)

Peripherals

Specifications and connection of peripherals supported by EPYC 7543 and Ryzen 7 PRO 7840U.

PCIe version4.0no 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 7543 38.34
+147%
Ryzen 7 PRO 7840U 15.52

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 7543 60901
+147%
Ryzen 7 PRO 7840U 24647

Gaming performance

Pros & cons summary


Performance score 38.34 15.52
Recency 12 January 2021 3 May 2023
Physical cores 32 8
Threads 64 16
Chip lithography 7 nm 4 nm
Power consumption (TDP) 225 Watt 28 Watt

EPYC 7543 has a 147% higher aggregate performance score, and 300% more physical cores and 300% more threads.

Ryzen 7 PRO 7840U, on the other hand, has an age advantage of 2 years, a 75% more advanced lithography process, and 703.6% lower power consumption.

The EPYC 7543 is our recommended choice as it beats the Ryzen 7 PRO 7840U in performance tests.

Be aware that EPYC 7543 is a server/workstation processor while Ryzen 7 PRO 7840U is a notebook one.


Should you still have questions on choice between EPYC 7543 and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.

Vote for your favorite

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


AMD EPYC 7543
EPYC 7543
AMD Ryzen 7 PRO 7840U
Ryzen 7 PRO 7840U

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.

Community ratings

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


5 6 votes

Rate EPYC 7543 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 50 votes

Rate Ryzen 7 PRO 7840U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about EPYC 7543 or Ryzen 7 PRO 7840U, agree or disagree with our judgements, or report an error or mismatch.