Ryzen 7 5800XT vs Ryzen 9 7945HX

VS

Aggregate performance score

Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.42
+88.2%
Ryzen 7 5800XT
2024
8 cores / 16 threads, 105 Watt
18.29

Ryzen 9 7945HX outperforms Ryzen 7 5800XT by an impressive 88% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7945HX and Ryzen 7 5800XT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking111330
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data55.45
Market segmentLaptopDesktop processor
Power efficiency59.2316.48
Architecture codenameDragon Range-HX (Zen 4) (2023−2024)Vermeer (2020−2024)
Release date4 January 2023 (1 year ago)31 July 2024 (less than a year ago)
Launch price (MSRP)no data$249

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 7945HX and Ryzen 7 5800XT 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 speed2.5 GHz3.8 GHz
Boost clock speed5.4 GHz4.8 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache64 MB (shared)32 MB
Chip lithographyCCD = 5 nm, I/O = 6 nm7 nm
Die size2x 71 mm274 mm2
Maximum core temperature100 °Cno data
Number of transistors13,140 million4,150 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Ryzen 9 7945HX and Ryzen 7 5800XT 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 configuration11
SocketFL1AM4
Power consumption (TDP)55 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7945HX and Ryzen 7 5800XT. 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 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7945HX and Ryzen 7 5800XT are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7945HX and Ryzen 7 5800XT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 610M (400 - 2200 MHz)N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7945HX and Ryzen 7 5800XT.

PCIe version5.04.0
PCI Express lanes2820

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 7945HX 34.42
+88.2%
Ryzen 7 5800XT 18.29

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 7945HX 54668
+88.2%
Ryzen 7 5800XT 29054

Gaming performance

Pros & cons summary


Performance score 34.42 18.29
Recency 4 January 2023 31 July 2024
Physical cores 16 8
Threads 32 16
Power consumption (TDP) 55 Watt 105 Watt

Ryzen 9 7945HX has a 88.2% higher aggregate performance score, 100% more physical cores and 100% more threads, and 90.9% lower power consumption.

Ryzen 7 5800XT, on the other hand, has an age advantage of 1 year.

The Ryzen 9 7945HX is our recommended choice as it beats the Ryzen 7 5800XT in performance tests.

Be aware that Ryzen 9 7945HX is a notebook processor while Ryzen 7 5800XT is a desktop one.


Should you still have questions on choice between Ryzen 9 7945HX and Ryzen 7 5800XT, 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 7945HX
Ryzen 9 7945HX
AMD Ryzen 7 5800XT
Ryzen 7 5800XT

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.


4.6 668 votes

Rate Ryzen 9 7945HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 22 votes

Rate Ryzen 7 5800XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 7945HX or Ryzen 7 5800XT, agree or disagree with our judgements, or report an error or mismatch.