Ryzen 9 7845HX vs Ryzen 9 5900X

VS

Aggregate performance score

Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
24.61
Ryzen 9 7845HX
2023
12 cores / 24 threads, 55 Watt
28.71
+16.7%

Ryzen 9 7845HX outperforms Ryzen 9 5900X by a moderate 17% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900X and Ryzen 9 7845HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking206159
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation32.25no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9no data
Power efficiency22.1849.40
Architecture codenameVermeer (Zen3) (2020−2022)Dragon Range-HX (Zen 4) (2023−2024)
Release date8 October 2020 (4 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$549no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 5900X and Ryzen 9 7845HX 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)12 (Dodeca-Core)
Threads2424
Base clock speed3.7 GHz3 GHz
Boost clock speed4.8 GHz5.2 GHz
Multiplier37no data
L1 cache768 KB64K (per core)
L2 cache6 MB1 MB (per core)
L3 cache64 MB64 MB (shared)
Chip lithography7 nm, 12 nmCCD = 5 nm, I/O = 6 nm
Die size2x 74 mm2(CCD) + 125 mm2 (IOD)2x 71 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors0 Million13,140 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 9 5900X and Ryzen 9 7845HX 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)105 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900X and Ryzen 9 7845HX. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2MMX, 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 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900X and Ryzen 9 7845HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900X and Ryzen 9 7845HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size128 GBno data
Max memory channels2no 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 5900X and Ryzen 9 7845HX.

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 5900X 24.61
Ryzen 9 7845HX 28.71
+16.7%

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 5900X 39096
Ryzen 9 7845HX 45597
+16.6%

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 5900X 2207
Ryzen 9 7845HX 2651
+20.1%

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.

Ryzen 9 5900X 11940
Ryzen 9 7845HX 13990
+17.2%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ryzen 9 5900X 2695
Ryzen 9 7845HX 4320
+60.3%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ryzen 9 5900X 250
Ryzen 9 7845HX 295
+18%

Geekbench 5.5 Multi-Core

Ryzen 9 5900X 11765
Ryzen 9 7845HX 15068
+28.1%

Blender(-)

Ryzen 9 5900X 154
+31.8%
Ryzen 9 7845HX 117

Geekbench 5.5 Single-Core

Ryzen 9 5900X 1604
Ryzen 9 7845HX 2008
+25.2%

7-Zip Single

Ryzen 9 5900X 6582
Ryzen 9 7845HX 7018
+6.6%

7-Zip

Ryzen 9 5900X 90443
Ryzen 9 7845HX 106033
+17.2%

WebXPRT 3

Ryzen 9 5900X 279
Ryzen 9 7845HX 357
+28%

CrossMark Overall

Ryzen 9 5900X 1580
Ryzen 9 7845HX 1992
+26.1%

Gaming performance

Pros & cons summary


Performance score 24.61 28.71
Recency 8 October 2020 4 January 2023
Power consumption (TDP) 105 Watt 55 Watt

Ryzen 9 7845HX has a 16.7% higher aggregate performance score, an age advantage of 2 years, and 90.9% lower power consumption.

The Ryzen 9 7845HX is our recommended choice as it beats the Ryzen 9 5900X in performance tests.

Note that Ryzen 9 5900X is a desktop processor while Ryzen 9 7845HX is a notebook one.


Should you still have questions on choice between Ryzen 9 5900X and Ryzen 9 7845HX, 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 5900X
Ryzen 9 5900X
AMD Ryzen 9 7845HX
Ryzen 9 7845HX

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.


4.5 3771 vote

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

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 323 votes

Rate Ryzen 9 7845HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 5900X or Ryzen 9 7845HX, agree or disagree with our judgements, or report an error or mismatch.