Ryzen 7 PRO 7840HS vs EPYC 7642

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Aggregate performance score

EPYC 7642
2019
48 cores / 96 threads, 225 Watt
37.01
+120%
Ryzen 7 PRO 7840HS
2023
8 cores / 16 threads, 35 Watt
16.83

EPYC 7642 outperforms Ryzen 7 PRO 7840HS by a whopping 120% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7642 and Ryzen 7 PRO 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking91393
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.55no data
Market segmentServerLaptop
SeriesAMD EPYCAMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency15.5645.48
Architecture codenameZen 2 (2017−2020)Phoenix-HS (Zen 4) (2023)
Release date7 August 2019 (5 years ago)13 June 2023 (1 year ago)
Launch price (MSRP)$4,775no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7642 and Ryzen 7 PRO 7840HS 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 cores48 (Octatetraconta-Core)8 (Octa-Core)
Threads9616
Base clock speed2.4 GHz3.8 GHz
Boost clock speed3.4 GHz5.1 GHz
Multiplier23no data
L1 cache96K (per core)512 KB
L2 cache512K (per core)8 MB
L3 cache256 MB (shared)16 MB
Chip lithography7 nm, 14 nm4 nm
Die size192 mm2178 mm2
Maximum core temperatureno data100 °C
Number of transistors4,800 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on EPYC 7642 and Ryzen 7 PRO 7840HS 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)no data
SocketTR4FP7/FP8
Power consumption (TDP)225 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7642 and Ryzen 7 PRO 7840HS. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7642 and Ryzen 7 PRO 7840HS are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7642 and Ryzen 7 PRO 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelno data
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 780M ( - 2700 MHz)

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 7642 37.01
+120%
Ryzen 7 PRO 7840HS 16.83

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 7642 58795
+120%
Ryzen 7 PRO 7840HS 26730

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 7642 1302
Ryzen 7 PRO 7840HS 2228
+71.1%

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 7642 10239
Ryzen 7 PRO 7840HS 10627
+3.8%

Gaming performance

Pros & cons summary


Performance score 37.01 16.83
Recency 7 August 2019 13 June 2023
Physical cores 48 8
Threads 96 16
Chip lithography 7 nm 4 nm
Power consumption (TDP) 225 Watt 35 Watt

EPYC 7642 has a 119.9% higher aggregate performance score, and 500% more physical cores and 500% more threads.

Ryzen 7 PRO 7840HS, on the other hand, has an age advantage of 3 years, a 75% more advanced lithography process, and 542.9% lower power consumption.

The EPYC 7642 is our recommended choice as it beats the Ryzen 7 PRO 7840HS in performance tests.

Be aware that EPYC 7642 is a server/workstation processor while Ryzen 7 PRO 7840HS is a notebook one.


Should you still have questions on choice between EPYC 7642 and Ryzen 7 PRO 7840HS, ask them in Comments section, and we shall answer.

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AMD EPYC 7642
EPYC 7642
AMD Ryzen 7 PRO 7840HS
Ryzen 7 PRO 7840HS

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Community ratings

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


4.6 11 votes

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Questions & comments

Here you can ask a question about EPYC 7642 or Ryzen 7 PRO 7840HS, agree or disagree with our judgements, or report an error or mismatch.