Ryzen 7 PRO 8840U vs Ryzen 9 7940HX

Aggregate performance score

Ryzen 9 7940HX
2024
16 cores / 32 threads, 55 Watt
34.92
+123%
Ryzen 7 PRO 8840U
2024
8 cores / 16 threads, 28 Watt
15.67

Ryzen 9 7940HX outperforms Ryzen 7 PRO 8840U by a whopping 123% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7940HX and Ryzen 7 PRO 8840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking112455
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)no data
Power efficiency57.8951.03
Architecture codenameDragon Range-HX (Zen 4) (2023−2024)Hawk Point (2024)
Release date17 January 2024 (less than a year ago)16 April 2024 (less than a year ago)

Detailed specifications

Ryzen 9 7940HX and Ryzen 7 PRO 8840U 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 cores16 (Hexadeca-Core)8 (Octa-Core)
Threads3216
Base clock speed2.4 GHz3.3 GHz
Boost clock speed5.2 GHz5.1 GHz
L1 cache1 MB64 KB (per core)
L2 cache16 MB1 MB (per core)
L3 cache64 MB16 MB (shared)
Chip lithography5 nm4 nm
Die sizeno data178 mm2
Maximum core temperature100 °Cno data
Number of transistors9900 Million25,000 million
64 bit support++

Compatibility

Information on Ryzen 9 7940HX and Ryzen 7 PRO 8840U 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 configurationno data1
SocketFL1FP7
Power consumption (TDP)55 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7940HX and Ryzen 7 PRO 8840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 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, SMEno data
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7940HX and Ryzen 7 PRO 8840U are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HX and Ryzen 7 PRO 8840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 610MAMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7940HX and Ryzen 7 PRO 8840U.

PCIe versionno data4.0
PCI Express lanesno data20

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.

Ryzen 9 7940HX 34.92
+123%
Ryzen 7 PRO 8840U 15.67

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.

Ryzen 9 7940HX 53448
+123%
Ryzen 7 PRO 8840U 23975

Gaming performance

Pros & cons summary


Performance score 34.92 15.67
Integrated graphics card 2.85 18.27
Recency 17 January 2024 16 April 2024
Physical cores 16 8
Threads 32 16
Chip lithography 5 nm 4 nm
Power consumption (TDP) 55 Watt 28 Watt

Ryzen 9 7940HX has a 122.8% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Ryzen 7 PRO 8840U, on the other hand, has 541.1% faster integrated GPU, an age advantage of 2 months, a 25% more advanced lithography process, and 96.4% lower power consumption.

The Ryzen 9 7940HX is our recommended choice as it beats the Ryzen 7 PRO 8840U in performance tests.

Be aware that Ryzen 9 7940HX is a notebook processor while Ryzen 7 PRO 8840U is a server/workstation one.


Should you still have questions on choice between Ryzen 9 7940HX and Ryzen 7 PRO 8840U, 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 Ryzen 9 7940HX
Ryzen 9 7940HX
AMD Ryzen 7 PRO 8840U
Ryzen 7 PRO 8840U

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Community ratings

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


4.1 38 votes

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3.2 17 votes

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Questions & comments

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