Ryzen 9 7940HX vs Ryzen 9 7945HX

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Aggregate performance score

Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
35.51
+2.7%
Ryzen 9 7940HX
2024
16 cores / 3216 x 5.2 GHz AMD Zen 4 threads, 55 Watt
34.58

Ryzen 9 7945HX outperforms Ryzen 9 7940HX by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7945HX and Ryzen 9 7940HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking8995
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Seriesno dataAMD Dragon Range (Zen 4, Ryzen 7045)
Architecture codenameDragon Range-HX (Zen 4)Dragon Range-HX (Zen 4)
Release date4 January 2023 (1 year ago)17 January 2024 (less than a year ago)

Detailed specifications

Ryzen 9 7945HX and Ryzen 9 7940HX 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)16 (Hexadeca-Core)
Threads323216 x 5.2  GHz AMD Zen 4
Base clock speed2.5 GHz2.4 GHz
Boost clock speed5.4 GHz5.2 GHz
L1 cache64K (per core)1 MB
L2 cache1 MB (per core)16 MB
L3 cache64 MB (shared)64 MB
Chip lithographyCCD = 5 nm, I/O = 6 nm5 nm
Die size2x 71 mm2no data
Maximum core temperature100 °C100 °C
Number of transistors13,140 million9900 Million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplierYesNo

Compatibility

Information on Ryzen 9 7945HX and Ryzen 9 7940HX 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
SocketFL1FL1
Power consumption (TDP)55 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7945HX and Ryzen 9 7940HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsDDR5-5200 RAM, PCIe 5, 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, SMEDDR5-5200 RAM, PCIe 5, 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++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7945HX and Ryzen 9 7940HX are enumerated here.

AMD-V+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7945HX and Ryzen 9 7940HX. 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 610MAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7945HX and Ryzen 9 7940HX.

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 7945HX 35.51
+2.7%
Ryzen 9 7940HX 34.58

Ryzen 9 7945HX outperforms Ryzen 9 7940HX by 3% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

Ryzen 9 7945HX 54916
+2.7%
Ryzen 9 7940HX 53480

Ryzen 9 7945HX outperforms Ryzen 9 7940HX by 3% in Passmark.

Gaming performance

Pros & cons summary


Performance score 35.51 34.58
Recency 4 January 2023 17 January 2024
Threads 32 3216 x 5.2 GHz AMD Zen 4

Given the minimal performance differences, no clear winner can be declared between Ryzen 9 7945HX and Ryzen 9 7940HX.


Should you still have questions on choice between Ryzen 9 7945HX and Ryzen 9 7940HX, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7945HX
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AMD Ryzen 9 7940HX
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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

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