AMD

AMD Ryzen 9 7945HX3D

AMD processor specifications and benchmark scores

16
Cores
32
Threads
5.4
GHz Boost
55W
TDP
๐Ÿ”“Unlocked ๐Ÿ–ฅ๏ธIntegrated GPU ๐Ÿ›ก๏ธECC Memory โšก3D V-Cache

AMD Ryzen 9 7945HX3D Specifications

โš™๏ธ

Ryzen 9 7945HX3D Core Configuration

Processing cores and threading

The AMD Ryzen 9 7945HX3D features 16 physical cores and 32 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
16
Threads
32
SMP CPUs
1
โฑ๏ธ

9 7945HX3D Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Ryzen 9 7945HX3D benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Ryzen 9 7945HX3D by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.3 GHz
Boost Clock
5.4 GHz
Multiplier
23x ๐Ÿ”“
๐Ÿ’พ

AMD's Ryzen 9 7945HX3D Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the 9 7945HX3D processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Ryzen 9 7945HX3D's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
1 MB (per core)
L3 Cache
128 MB (shared)
3D V-Cache
1x 64MB Slice
๐Ÿ—๏ธ

Zen 4 Architecture & Process

Manufacturing and design details

The AMD Ryzen 9 7945HX3D is built on AMD's 5 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in 9 7945HX3D incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Zen 4
Codename
Dragon Range
Process Node
5 nm
Foundry
TSMC
Transistors
17,840 million
Die Size
2x 71 mmยฒ
Generation
Ryzen 9 (Zen 4 (Dragon Range))
๐Ÿ”ข

Zen 4 Instruction Set Features

Supported CPU instructions and extensions

The Ryzen 9 7945HX3D by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
AVX2
AVX-512
BMI1
BMI2
SHA
F16C
FMA3
AMD64
AMD-V
SMAP
SMEP
SMT
Precision Boost 2
XFR 2
๐Ÿ”Œ

9 7945HX3D Power & Thermal

TDP and power specifications

The AMD Ryzen 9 7945HX3D has a TDP (Thermal Design Power) of 55W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
55W
PPT
55-75 W
Tj Max
100ยฐC
๐Ÿ”ง

AMD Socket FL1 Platform & Socket

Compatibility information

The Ryzen 9 7945HX3D uses the AMD Socket FL1 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket FL1
PCIe
Gen 5, 28 Lanes(CPU only)
Package
ยตFC-BGAFL1
DDR5

AMD Socket FL1 Memory Support

RAM compatibility and speeds

Memory support specifications for the 9 7945HX3D define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Ryzen 9 7945HX3D determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR5
Memory Bus
Dual-channel
Memory Bandwidth
83.2 GB/s
ECC Memory
Supported
๐Ÿ–ฅ๏ธ

AMD's Ryzen 9 7945HX3D Integrated Graphics

Built-in GPU specifications

The AMD Ryzen 9 7945HX3D includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the 9 7945HX3D provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Radeon 610M
Graphics Model
Radeon 610M
๐Ÿ“ฆ

Ryzen 9 7945HX3D Product Information

Release and pricing details

The AMD Ryzen 9 7945HX3D is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Ryzen 9 7945HX3D by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Jul 2023
Market
Mobile
Status
Active
Part Number
100-000001086

Ryzen 9 7945HX3D Benchmark Scores

3dmark_16_threadsSource

3DMark 16-thread tests AMD Ryzen 9 7945HX3D with heavily-threaded game workloads. This shows performance in games that fully utilize high-core-count CPUs for maximum parallelization. The most demanding and well-optimized games can leverage this many threads.

3dmark_16_threads #9 of 166
12,459
76%
Max: 16,374
Compare with other CPUs

3dmark_2_threadsSource

3DMark 2-thread tests AMD Ryzen 9 7945HX3D performance with dual-threaded game workloads. This shows capability in games that use limited parallelization typical of older titles. Some game engines still primarily utilize only two threads for core logic. Dual-core performance remains relevant for many indie and older games.

3dmark_2_threads #29 of 166
2,095
82%
Max: 2,549
Compare with other CPUs

3dmark_4_threadsSource

3DMark 4-thread tests AMD Ryzen 9 7945HX3D with quad-threaded game workloads. This shows performance in games optimized for four cores, which represents many current titles. Quad-core optimization is common in mainstream game development.

3dmark_4_threads #34 of 166
3,937
79%
Max: 4,963
Compare with other CPUs

3dmark_8_threadsSource

3DMark 8-thread tests AMD Ryzen 9 7945HX3D with octa-threaded game workloads. This shows performance in well-optimized modern games that leverage eight threads effectively. AAA titles increasingly scale to eight or more threads. Open-world games and simulations particularly benefit from higher thread counts.

3dmark_8_threads #22 of 166
7,330
79%
Max: 9,298
Compare with other CPUs

3dmark_max_threadsSource

3DMark max threads tests AMD Ryzen 9 7945HX3D using all available threads for game workloads. This shows the maximum parallel gaming performance capability of the processor. This reveals the ceiling of what games could achieve with perfect thread scaling. Future games may increasingly approach this level of parallelization.

3dmark_max_threads #16 of 166
12,936
70%
Max: 18,441
Compare with other CPUs

3dmark_single_threadSource

3DMark CPU single-thread tests how AMD Ryzen 9 7945HX3D handles game physics and AI calculations on one core. This is critical for games that rely on single-thread performance. Many games still bottleneck on single-core speed despite having multiple threads. Higher scores indicate better frame rates in CPU-limited gaming scenarios.

3dmark_single_thread #28 of 166
1,071
83%
Max: 1,293
Compare with other CPUs

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD Ryzen 9 7945HX3D performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.

cinebench_cinebench_r15_multicore #95 of 1788
4,922
33%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how AMD Ryzen 9 7945HX3D handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance. A higher single-core score means snappier system responsiveness in everyday use.

cinebench_cinebench_r15_singlecore #96 of 1245
694
33%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD Ryzen 9 7945HX3D. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #95 of 1788
20,510
33%
Max: 62,412
Compare with other CPUs

๐Ÿ† Top 5 Performers

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD Ryzen 9 7945HX3D. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #94 of 1784
2,895
33%
Max: 8,811
Compare with other CPUs

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD Ryzen 9 7945HX3D after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #95 of 1788
48,834
33%
Max: 148,601
Compare with other CPUs

๐Ÿ† Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Ryzen 9 7945HX3D maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #95 of 1788
6,894
33%
Max: 20,979
Compare with other CPUs

geekbench_multicoreSource

Geekbench multi-core tests AMD Ryzen 9 7945HX3D across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance. Higher scores indicate better capability in multitasking and content creation.

geekbench_multicore #27 of 711
16,758
74%
Max: 22,515
Compare with other CPUs

geekbench_singlecoreSource

Geekbench single-core measures how fast one thread of AMD Ryzen 9 7945HX3D can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use. Many applications still depend primarily on single-thread performance.

geekbench_singlecore #28 of 711
2,769
81%
Max: 3,401
Compare with other CPUs

passmark_data_compressionSource

Data compression measures how fast AMD Ryzen 9 7945HX3D can compress and decompress files. This is important for archiving, backup software, and file transfer applications. Higher scores mean faster ZIP, RAR, and backup operations.

passmark_data_compression #69 of 528
699,988
13%
Max: 5,427,555
Compare with other CPUs

๐Ÿ† Top 5 Performers

#1 AMD EPYC 9965
5,427,555
#2 AMD EPYC 9845
4,680,013
#3 AMD EPYC 9755
4,517,407
#4 AMD EPYC 9745
3,929,890

passmark_data_encryptionSource

Data encryption tests how fast AMD Ryzen 9 7945HX3D can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications.

passmark_data_encryption #72 of 528
42,367
13%
Max: 316,606
Compare with other CPUs

๐Ÿ† Top 5 Performers

#1 AMD EPYC 9965
316,606
#2 AMD EPYC 9845
296,808
#3 AMD EPYC 9755
284,927
#4 AMD EPYC 9754
231,891
#5 AMD EPYC 9745
229,447

passmark_extended_instructionsSource

Extended instructions tests AMD Ryzen 9 7945HX3D performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads. Video encoding and image processing heavily utilize SIMD capabilities.

passmark_extended_instructions #64 of 528
52,310
13%
Max: 392,159
Compare with other CPUs

passmark_find_prime_numbersSource

Find prime numbers tests AMD Ryzen 9 7945HX3D ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks. The test reveals raw mathematical processing capability. Higher scores indicate superior arithmetic throughput independent of memory subsystem performance.

passmark_find_prime_numbers #50 of 528
446
18%
Max: 2,422

passmark_floating_point_mathSource

Floating point math measures how AMD Ryzen 9 7945HX3D handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations. Game physics engines also rely heavily on floating point operations.

passmark_floating_point_math #85 of 528
121,619
11%
Max: 1,141,430
Compare with other CPUs

๐Ÿ† Top 5 Performers

#1 AMD EPYC 9965
1,141,430
#2 AMD EPYC 9845
978,377
#3 AMD EPYC 9755
922,900
#4 AMD EPYC 9745
761,219
#5 AMD EPYC 9655P
710,260

passmark_integer_mathSource

Integer math tests how fast AMD Ryzen 9 7945HX3D processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance.

passmark_integer_math #65 of 528
201,217
11%
Max: 1,806,439
Compare with other CPUs

๐Ÿ† Top 5 Performers

#1 AMD EPYC 9965
1,806,439
#2 AMD EPYC 9845
1,687,531
#3 AMD EPYC 9755
1,549,946
#4 AMD EPYC 9745
1,224,315

passmark_multithreadSource

PassMark multi-thread tests AMD Ryzen 9 7945HX3D across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score.

passmark_multithread #62 of 528
57,476
33%
Max: 174,825
Compare with other CPUs

passmark_physicsSource

Physics tests how AMD Ryzen 9 7945HX3D handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements. Games with complex physics benefit from higher scores.

passmark_physics #53 of 528
4,321
16%
Max: 27,806
Compare with other CPUs

๐Ÿ† Top 5 Performers

#1 AMD EPYC 9755
27,806
#2 AMD EPYC 9655P
26,810
#3 AMD EPYC 9655
25,958
#4 AMD EPYC 9684X
24,686
#5 AMD EPYC 9575F
22,021

passmark_random_string_sortingSource

Random string sorting measures how fast AMD Ryzen 9 7945HX3D can organize text data. This is important for database operations, search indexing, and data processing applications. Applications that process large amounts of text benefit from higher scores.

passmark_random_string_sorting #64 of 528
83,919
14%
Max: 609,901
Compare with other CPUs

๐Ÿ† Top 5 Performers

#1 AMD EPYC 9965
609,901
#2 AMD EPYC 9755
571,185
#3 AMD EPYC 9845
538,060
#4 AMD EPYC 9745
468,975
#5 AMD EPYC 9655P
455,310

passmark_single_threadSource

PassMark single-thread measures per-core performance of AMD Ryzen 9 7945HX3D across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use. Many legacy applications and games still depend heavily on single-thread speed.

passmark_single_thread #103 of 528
4,050
79%
Max: 5,097

passmark_singlethreadSource

PassMark single-thread measures per-core performance of AMD Ryzen 9 7945HX3D across various computational tasks. This score is critical for gaming and single-threaded applications.

passmark_singlethread #103 of 528
4,050
79%
Max: 5,097

About AMD Ryzen 9 7945HX3D

When you're considering a powerful laptop processor, what does the AMD Ryzen 9 7945HX actually deliver for your demanding tasks? With its 16 cores and 32 threads, this chip from AMD's Dragon Range family promises to handle intensive creative workloads and multitasking with ease. Imagine editing high-resolution video or compiling code while running numerous background applications; the Ryzen 9 7945HX3D is engineered for precisely that scenario. Its impressive 5.40 GHz boost clock means sudden, demanding requests are met with swift responsiveness. But how does this translate when you're juggling real projects every day? You can expect buttery-smooth performance in professional applications, significantly reducing render and export times. The large 128MB L3 cache works behind the scenes to keep data readily available, making complex workflows feel more seamless. So, is the Ryzen 9 7945HX the key to eliminating frustrating slowdowns during your most ambitious work?

Let's look at the numbers: are the productivity benchmarks for the Ryzen 9 7945HX as compelling as they seem? The provided scores paint a picture of a computational powerhouse, especially in multithreaded tasks where it scores 57,476 points. This particular Ryzen 9 processor excels in data compression and mathematical operations, which are crucial for software development, scientific computing, and advanced content creation. Doesn't it make you wonder how much faster your data analysis or 3D modeling could be? To put its capabilities into perspective, consider these key strengths:

  1. Exceptional multithreading for parallel tasks like video encoding.
  2. Leading-edge floating-point math performance for scientific and engineering software.
  3. Massive L3 cache accelerating large dataset manipulation.
  4. High efficiency from the 5nm process, balancing power and speed.
This combination suggests the 7945HX3D isn't just about raw speed, but about delivering consistent, reliable performance when you need it most.

Now, considering the investment, is the Ryzen 9 7945HX a cost-effective choice for your high-performance needs? While laptops featuring this CPU sit at the premium end, the value lies in its longevity and top-tier performance that could delay your next upgrade. Its 55W TDP indicates a thoughtful balance between power and battery efficiency, which is so important for mobile professionals, don't you think? You'll need to pair this processor with a capable platform specifically, a laptop with robust cooling and a socket FL1 motherboard to truly unleash its potential. So, before committing, ask yourself: does your work truly require this level of 16-core horsepower, or could a less extreme chip suffice? For those pushing the limits of mobile computing, the AMD Ryzen 9 7945HX stands as a compelling, albeit specialized, tool that justifies its place in the most powerful mobile workstations.

The Intel Equivalent of Ryzen 9 7945HX3D

Looking for a similar processor from Intel? The Intel Core i9-14900K offers comparable performance and features in the Intel lineup.

Intel Core i9-14900K

Intel โ€ข 24 Cores

View Specs Compare

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