Ryzen 7 7745HX vs Ryzen 9 5900

VS

Aggregate performance score

Ryzen 9 5900
2021
12 cores / 24 threads, 65 Watt
21.63
+5%
Ryzen 7 7745HX
2023
8 cores / 16 threads, 55 Watt
20.60

Ryzen 9 5900 outperforms Ryzen 7 7745HX by a small 5% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900 and Ryzen 7 7745HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking246271
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9no data
Power efficiency31.4935.45
Architecture codenameVermeer (2020−2024)Dragon Range (Zen 4) (2023)
Release date12 January 2021 (3 years ago)4 January 2023 (1 year ago)

Detailed specifications

Ryzen 9 5900 and Ryzen 7 7745HX 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads2416
Base clock speed3 GHz3.6 GHz
Boost clock speed4.7 GHz5.1 GHz
Multiplier30no data
L1 cache768 KB64K (per core)
L2 cache6 MB1 MB (per core)
L3 cache64 MB32 MB (shared)
Chip lithography7 nm, 12 nmCCD = 5 nm, I/O = 6 nm
Die size81 mm271 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors4,150 million6,570 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 9 5900 and Ryzen 7 7745HX 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
SocketAM4FL1
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900 and Ryzen 7 7745HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, 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 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900 and Ryzen 7 7745HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900 and Ryzen 7 7745HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size128 GBno data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900 and Ryzen 7 7745HX.

PCIe version4.05.0
PCI Express lanesno data28

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 5900 21.63
+5%
Ryzen 7 7745HX 20.60

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 5900 34361
+5%
Ryzen 7 7745HX 32722

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.

Ryzen 9 5900 2142
Ryzen 7 7745HX 2639
+23.2%

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.

Ryzen 9 5900 11070
Ryzen 7 7745HX 12882
+16.4%

Gaming performance

Pros & cons summary


Performance score 21.63 20.60
Recency 12 January 2021 4 January 2023
Physical cores 12 8
Threads 24 16
Power consumption (TDP) 65 Watt 55 Watt

Ryzen 9 5900 has a 5% higher aggregate performance score, and 50% more physical cores and 50% more threads.

Ryzen 7 7745HX, on the other hand, has an age advantage of 1 year, and 18.2% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Ryzen 9 5900 and Ryzen 7 7745HX.

Note that Ryzen 9 5900 is a desktop processor while Ryzen 7 7745HX is a notebook one.


Should you still have questions on choice between Ryzen 9 5900 and Ryzen 7 7745HX, 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 5900
Ryzen 9 5900
AMD Ryzen 7 7745HX
Ryzen 7 7745HX

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.


4.4 108 votes

Rate Ryzen 9 5900 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 207 votes

Rate Ryzen 7 7745HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 5900 or Ryzen 7 7745HX, agree or disagree with our judgements, or report an error or mismatch.