i9-12950HX vs i5-10400

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i5-10400
2020
6 cores / 12 threads, 65 Watt
7.63
Core i9-12950HX
2022
16 cores / 24 threads, 55 Watt
20.30
+166%

Core i9-12950HX outperforms Core i5-10400 by a whopping 166% based on our aggregate benchmark results.

Primary details

Comparing Core i5-10400 and Core i9-12950HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking971276
Place by popularity93not in top-100
Market segmentDesktop processorLaptop
Power efficiency11.1034.91
Architecture codenameComet Lake (2020)Alder Lake-HX (2022)
Release date30 April 2020 (4 years ago)10 May 2022 (2 years ago)

Detailed specifications

Core i5-10400 and Core i9-12950HX 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)
Threads1224
Base clock speed2.9 GHz2.3 GHz
Boost clock speed4.3 GHz5 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)80K (per core)
L2 cache256K (per core)1.25 MB (per core)
L3 cache12 MB (shared)30 MB (shared)
Chip lithography14 nmIntel 7 nm
Die sizeno data215 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-10400 and Core i9-12950HX 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
SocketFCLGA1200FCBGA1964
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-10400 and Core i9-12950HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0-+
Deep Learning Boost-+

Security technologies

Core i5-10400 and Core i9-12950HX technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-10400 and Core i9-12950HX are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-10400 and Core i9-12950HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4, DDR5
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth41.6 GB/s76.8 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel UHD Graphics for 12th Gen Intel Processors
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHz1.55 GHz
Execution Unitsno data32
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-10400 and Core i9-12950HX integrated GPUs.

Number of displays supported34

Graphics image quality

Maximum display resolutions supported by Core i5-10400 and Core i9-12950HX integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2160@30Hz4096 x 2160 @ 60Hz
Max resolution over eDP4096 x 2304@60Hz5120 x 3200 @ 120Hz
Max resolution over DisplayPort4096 x 2304@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-10400 and Core i9-12950HX integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.6

Peripherals

Specifications and connection of peripherals supported by Core i5-10400 and Core i9-12950HX.

PCIe version3.05.0 and 4.0
PCI Express lanes1620

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.

i5-10400 7.63
i9-12950HX 20.30
+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.

i5-10400 12115
i9-12950HX 32246
+166%

Gaming performance

Pros & cons summary


Performance score 7.63 20.30
Integrated graphics card 3.09 5.58
Recency 30 April 2020 10 May 2022
Physical cores 6 16
Threads 12 24
Power consumption (TDP) 65 Watt 55 Watt

i9-12950HX has a 166.1% higher aggregate performance score, 80.6% faster integrated GPU, an age advantage of 2 years, 166.7% more physical cores and 100% more threads, and 18.2% lower power consumption.

The Core i9-12950HX is our recommended choice as it beats the Core i5-10400 in performance tests.

Note that Core i5-10400 is a desktop processor while Core i9-12950HX is a notebook one.


Should you still have questions on choice between Core i5-10400 and Core i9-12950HX, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-10400
Core i5-10400
Intel Core i9-12950HX
Core i9-12950HX

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

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


4 3029 votes

Rate Core i5-10400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 29 votes

Rate Core i9-12950HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-10400 or Core i9-12950HX, agree or disagree with our judgements, or report an error or mismatch.