Ryzen 9 8945HX vs Ryzen AI 5 340

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Aggregate performance score

Ryzen AI 5 340
2025
6 cores / 12 threads, 28 Watt
12.57
Ryzen 9 8945HX
2025
16 cores / 32 threads, 55 Watt
33.49
+166%

Ryzen 9 8945HX outperforms Ryzen AI 5 340 by a whopping 166% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking696145
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Power efficiency44.2458.74
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameKrackan Point (2025)Dragon Range (2025)
Release date6 January 2025 (less than a year ago)23 April 2025 (less than a year ago)

Detailed specifications

Ryzen AI 5 340 and Ryzen 9 8945HX 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 cores6 (Hexa-Core)16 (Hexadeca-Core)
Threads1232
Base clock speed2 GHz2.5 GHz
Boost clock speed4.8 GHz5.4 GHz
L1 cache80 KB (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache8 MB64 MB (shared)
Chip lithography4 nm5 nm
Die sizeno data2x 71 mm2
Number of transistorsno data13,140 million
64 bit support++
Unlocked multiplier-+

Compatibility

Information on Ryzen AI 5 340 and Ryzen 9 8945HX 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
SocketFP8FL1
Power consumption (TDP)28 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen AI 5 340 and Ryzen 9 8945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsUSB 4, XDNA 2 NPU (50 TOPS), Secure Processor, SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4Ano data
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen AI 5 340 and Ryzen 9 8945HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen AI 5 340 and Ryzen 9 8945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 840MAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Ryzen AI 5 340 and Ryzen 9 8945HX.

PCIe version4.05.0
PCI Express lanes1628

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.

Ryzen AI 5 340 12.57
Ryzen 9 8945HX 33.49
+166%

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. Other than that, Passmark measures multi-core performance.

Ryzen AI 5 340 20202
Ryzen 9 8945HX 53850
+167%

Gaming performance

Pros & cons summary


Performance score 12.57 33.49
Integrated graphics card 10.06 2.77
Recency 6 January 2025 23 April 2025
Physical cores 6 16
Threads 12 32
Chip lithography 4 nm 5 nm
Power consumption (TDP) 28 Watt 55 Watt

Ryzen AI 5 340 has 263.2% faster integrated GPU, a 25% more advanced lithography process, and 96.4% lower power consumption.

Ryzen 9 8945HX, on the other hand, has a 166.4% higher aggregate performance score, an age advantage of 3 months, and 166.7% more physical cores and 166.7% more threads.

The AMD Ryzen 9 8945HX is our recommended choice as it beats the AMD Ryzen AI 5 340 in performance tests.

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AMD Ryzen AI 5 340
Ryzen AI 5 340
AMD Ryzen 9 8945HX
Ryzen 9 8945HX

Other comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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