i9-12900KS vs Ryzen 9 7940HX

VS

Aggregate performance score

Ryzen 9 7940HX
2024
16 cores / 32 threads, 55 Watt
34.29
+24%
Core i9-12900KS
2022
16 cores / 24 threads, 150 Watt
27.66

Ryzen 9 7940HX outperforms Core i9-12900KS by a significant 24% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7940HX and Core i9-12900KS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking112177
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)no data
Power efficiency59.0017.45
Architecture codenameDragon Range-HX (Zen 4) (2023−2024)Alder Lake-S (2022)
Release date17 January 2024 (less than a year ago)5 April 2022 (2 years ago)

Detailed specifications

Ryzen 9 7940HX and Core i9-12900KS 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)
Threads3224
Base clock speed2.4 GHz3.4 GHz
Boost clock speed5.2 GHz5.3 GHz
L1 cache1 MB80K (per core)
L2 cache16 MB1.25 MB (per core)
L3 cache64 MB30 MB (shared)
Chip lithography5 nmIntel 7 nm
Die sizeno data215 mm2
Maximum core temperature100 °C90 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors9900 Millionno data
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier-+

Compatibility

Information on Ryzen 9 7940HX and Core i9-12900KS 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 configurationno data1
SocketFL1FCLGA1700
Power consumption (TDP)55 Watt150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7940HX and Core i9-12900KS. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 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, SMEIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Ryzen 9 7940HX and Core i9-12900KS technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7940HX and Core i9-12900KS are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HX and Core i9-12900KS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5-4800, DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.8 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 610M (400 - 2200 MHz)Intel UHD Graphics 770
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.55 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Ryzen 9 7940HX and Core i9-12900KS integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 7940HX and Core i9-12900KS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 9 7940HX and Core i9-12900KS integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7940HX and Core i9-12900KS.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

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 7940HX 34.29
+24%
i9-12900KS 27.66

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 7940HX 54470
+24%
i9-12900KS 43936

Gaming performance

Pros & cons summary


Performance score 34.29 27.66
Integrated graphics card 2.85 6.16
Recency 17 January 2024 5 April 2022
Threads 32 24
Power consumption (TDP) 55 Watt 150 Watt

Ryzen 9 7940HX has a 24% higher aggregate performance score, an age advantage of 1 year, 33.3% more threads, and 172.7% lower power consumption.

i9-12900KS, on the other hand, has 116.1% faster integrated GPU.

The Ryzen 9 7940HX is our recommended choice as it beats the Core i9-12900KS in performance tests.

Be aware that Ryzen 9 7940HX is a notebook processor while Core i9-12900KS is a desktop one.


Should you still have questions on choice between Ryzen 9 7940HX and Core i9-12900KS, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7940HX
Ryzen 9 7940HX
Intel Core i9-12900KS
Core i9-12900KS

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Community ratings

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