Ryzen 9 7945HX3D vs Athlon Silver 7120U

VS

Aggregate performance score

Athlon Silver 7120U
2022
2 cores / 2 threads, 15 Watt
1.98
Ryzen 9 7945HX3D
2023
16 cores / 32 threads, 55 Watt
36.14
+1725%

Ryzen 9 7945HX3D outperforms Athlon Silver 7120U by a whopping 1725% based on our aggregate benchmark results.

Primary details

Comparing Athlon Silver 7120U and Ryzen 9 7945HX3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking194099
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Seriesno dataAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency12.4862.15
Architecture codenameMendocino (Zen 2) (2022−2023)Dragon Range-HX (Zen 4) (2023−2024)
Release date20 September 2022 (2 years ago)27 July 2023 (1 year ago)

Detailed specifications

Athlon Silver 7120U and Ryzen 9 7945HX3D 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 cores2 (Dual-core)16 (Hexadeca-Core)
Threads232
Base clock speed2.4 GHz2.3 GHz
Boost clock speed3.5 GHz5.4 GHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache2 MB (shared)128 MB (shared)
Chip lithography6 nm5 nm
Die size100 mm22x 71 mm2
Maximum core temperatureno data89 °C
Number of transistorsno data17,840 million
64 bit support++
Unlocked multiplier-+

Compatibility

Information on Athlon Silver 7120U and Ryzen 9 7945HX3D 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
SocketFP6FL1
Power consumption (TDP)15 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon Silver 7120U and Ryzen 9 7945HX3D. You'll probably need this information if you require some particular technology.

Instruction set extensionsXFR, FMA3, SSE 4.2, AVX2, SMTno data
AES-NI++
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon Silver 7120U and Ryzen 9 7945HX3D are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon Silver 7120U and Ryzen 9 7945HX3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5 Dual-channelDDR5-5200

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 610M ( - 1900 MHz)AMD Radeon 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Athlon Silver 7120U and Ryzen 9 7945HX3D.

PCIe version3.05.0
PCI Express lanes428

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.

Athlon Silver 7120U 1.98
Ryzen 9 7945HX3D 36.14
+1725%

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.

Athlon Silver 7120U 3145
Ryzen 9 7945HX3D 57404
+1725%

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.

Athlon Silver 7120U 968
Ryzen 9 7945HX3D 2762
+185%

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.

Athlon Silver 7120U 1599
Ryzen 9 7945HX3D 16400
+926%

Gaming performance

Pros & cons summary


Performance score 1.98 36.14
Recency 20 September 2022 27 July 2023
Physical cores 2 16
Threads 2 32
Chip lithography 6 nm 5 nm
Power consumption (TDP) 15 Watt 55 Watt

Athlon Silver 7120U has 266.7% lower power consumption.

Ryzen 9 7945HX3D, on the other hand, has a 1725.3% higher aggregate performance score, an age advantage of 10 months, 700% more physical cores and 1500% more threads, and a 20% more advanced lithography process.

The Ryzen 9 7945HX3D is our recommended choice as it beats the Athlon Silver 7120U in performance tests.


Should you still have questions on choice between Athlon Silver 7120U and Ryzen 9 7945HX3D, ask them in Comments section, and we shall answer.

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AMD Athlon Silver 7120U
Athlon Silver 7120U
AMD Ryzen 9 7945HX3D
Ryzen 9 7945HX3D

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Community ratings

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Questions & comments

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