Ryzen 9 8945H vs Ryzen 9 7945HX3D

VS

Aggregate performance score

Ryzen 9 7945HX3D
2023
16 cores / 32 threads, 55 Watt
36.15
+87.4%
Ryzen 9 8945H
2023
8 cores / 16 threads, 45 Watt
19.29

Ryzen 9 7945HX3D outperforms Ryzen 9 8945H by an impressive 87% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7945HX3D and Ryzen 9 8945H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking99304
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)AMD Hawk Point (Zen 4/4c, Ryzen 8040)
Power efficiency62.2040.57
Architecture codenameDragon Range-HX (Zen 4) (2023−2024)Hawk Point-HS (Zen 4) (2023−2024)
Release date27 July 2023 (1 year ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen 9 7945HX3D and Ryzen 9 8945H 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 speed2.3 GHz4 GHz
Boost clock speed5.4 GHz5.2 GHz
L1 cache64 KB (per core)512 KB
L2 cache1 MB (per core)8 MB
L3 cache128 MB (shared)16 MB
Chip lithography5 nm4 nm
Die size2x 71 mm2178 mm2
Maximum core temperature89 °C100 °C
Number of transistors17,840 millionno data
64 bit support++
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 7945HX3D and Ryzen 9 8945H 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 configuration1no data
SocketFL1FP7/FP7r2/FP8
Power consumption (TDP)55 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7945HX3D and Ryzen 9 8945H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataRyzen AI, MMX, 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+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7945HX3D and Ryzen 9 8945H are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7945HX3D and Ryzen 9 8945H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5200DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 610M (400 - 2200 MHz)AMD Radeon 780M ( - 2800 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7945HX3D and Ryzen 9 8945H.

PCIe version5.0no data
PCI Express lanes28no data

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 7945HX3D 36.15
+87.4%
Ryzen 9 8945H 19.29

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 7945HX3D 57430
+87.4%
Ryzen 9 8945H 30643

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ryzen 9 7945HX3D 8478
+11.6%
Ryzen 9 8945H 7594

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ryzen 9 7945HX3D 70414
+51.2%
Ryzen 9 8945H 46572

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Ryzen 9 7945HX3D 5.9
Ryzen 9 8945H 2.63
+124%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ryzen 9 7945HX3D 62
+112%
Ryzen 9 8945H 29

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 7945HX3D 5600
+108%
Ryzen 9 8945H 2691

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 7945HX3D 311
+9.5%
Ryzen 9 8945H 284

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ryzen 9 7945HX3D 3.7
+12.8%
Ryzen 9 8945H 3.28

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Ryzen 9 7945HX3D 23.4
+55%
Ryzen 9 8945H 15.1

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Ryzen 9 7945HX3D 51122
+578%
Ryzen 9 8945H 7542

Geekbench 5.5 Multi-Core

Ryzen 9 7945HX3D 19875
+65.9%
Ryzen 9 8945H 11980

Blender(-)

Ryzen 9 7945HX3D 95
Ryzen 9 8945H 182
+91.6%

Geekbench 5.5 Single-Core

Ryzen 9 7945HX3D 2133
+7%
Ryzen 9 8945H 1994

7-Zip Single

Ryzen 9 7945HX3D 7573
+13.6%
Ryzen 9 8945H 6664

7-Zip

Ryzen 9 7945HX3D 136201
+87%
Ryzen 9 8945H 72851

WebXPRT 3

Ryzen 9 7945HX3D 480
+55.6%
Ryzen 9 8945H 309

CrossMark Overall

Ryzen 9 7945HX3D 2086
+13.8%
Ryzen 9 8945H 1833

WebXPRT 4 Overall

Ryzen 9 7945HX3D 328
+23.8%
Ryzen 9 8945H 265

Blender v3.3 Classroom CPU(-)

Ryzen 9 7945HX3D 150
Ryzen 9 8945H 293
+95.3%

Geekbench 6.3 Multi-Core

Ryzen 9 7945HX3D 16957
+33.9%
Ryzen 9 8945H 12662

Geekbench 6.3 Single-Core

Ryzen 9 7945HX3D 2916
+8.3%
Ryzen 9 8945H 2692

Gaming performance

Pros & cons summary


Performance score 36.15 19.29
Integrated graphics card 2.85 18.32
Recency 27 July 2023 6 December 2023
Physical cores 16 8
Threads 32 16
Chip lithography 5 nm 4 nm
Power consumption (TDP) 55 Watt 45 Watt

Ryzen 9 7945HX3D has a 87.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Ryzen 9 8945H, on the other hand, has 542.8% faster integrated GPU, an age advantage of 4 months, a 25% more advanced lithography process, and 22.2% lower power consumption.

The Ryzen 9 7945HX3D is our recommended choice as it beats the Ryzen 9 8945H in performance tests.


Should you still have questions on choice between Ryzen 9 7945HX3D and Ryzen 9 8945H, 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 7945HX3D
Ryzen 9 7945HX3D
AMD Ryzen 9 8945H
Ryzen 9 8945H

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.


4.3 133 votes

Rate Ryzen 9 7945HX3D on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 10 votes

Rate Ryzen 9 8945H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 7945HX3D or Ryzen 9 8945H, agree or disagree with our judgements, or report an error or mismatch.