Pentium Gold G6400 vs i9-14900HX

VS

Aggregate performance score

Core i9-14900HX
2024
24 cores / 32 threads, 55 Watt
28.74
+1005%
Pentium Gold G6400
2020
2 cores / 4 threads, 58 Watt
2.60

Core i9-14900HX outperforms Pentium Gold G6400 by a whopping 1005% based on our aggregate benchmark results.

Primary details

Comparing Core i9-14900HX and Pentium Gold G6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1581735
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesRaptor Lake-HXno data
Power efficiency49.454.24
Architecture codenameRaptor Lake-HX Refresh (2024)Comet Lake (2020)
Release date8 January 2024 (less than a year ago)30 April 2020 (4 years ago)

Detailed specifications

Core i9-14900HX and Pentium Gold G6400 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 cores24 (Tetracosa-Core)2 (Dual-core)
Threads324
Base clock speed2.2 GHz4 GHz
Boost clock speed5.7 GHz4 GHz
Bus rate157 MHz8 GT/s
L1 cache80 KB (per core)64K (per core)
L2 cache2 MB (per core)256K (per core)
L3 cache36 MB (shared)4 MB (shared)
Chip lithographyIntel 7 nm14 nm
Die size257 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier+-

Compatibility

Information on Core i9-14900HX and Pentium Gold G6400 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
SocketFCBGA1964FCLGA1200
Power consumption (TDP)55 Watt58 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-14900HX and Pentium Gold G6400. 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
AES-NI++
FMA+-
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technologyno data-
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring++
Flex Memory Access+no data
Turbo Boost Max 3.0+-
Deep Learning Boost+-

Security technologies

Core i9-14900HX and Pentium Gold G6400 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Key++
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-14900HX and Pentium Gold G6400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-14900HX and Pentium Gold G6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR4-2666
Maximum memory size192 GB128 GB
Max memory channels22
Maximum memory bandwidth89.6 GB/s41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics for 14th Gen Intel ProcessorsIntel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HDno data+
Graphics max frequency1.65 GHz1.05 GHz
Execution Units32no data
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i9-14900HX and Pentium Gold G6400 integrated GPUs.

Number of displays supported43

Graphics image quality

Maximum display resolutions supported by Core i9-14900HX and Pentium Gold G6400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096 x 2160 @ 60Hz4096x2160@30Hz
Max resolution over eDP5120 x 3200 @ 120Hz4096x2304@60Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i9-14900HX and Pentium Gold G6400 integrated GPUs, sometimes API versions are included.

DirectX12.112
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core i9-14900HX and Pentium Gold G6400.

PCIe version5.0 and 4.03.0
PCI Express lanes1616

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.

i9-14900HX 28.74
+1005%
Pentium Gold G6400 2.60

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.

i9-14900HX 45650
+1007%
Pentium Gold G6400 4123

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.

i9-14900HX 2702
+237%
Pentium Gold G6400 801

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.

i9-14900HX 15889
+860%
Pentium Gold G6400 1655

Gaming performance

Pros & cons summary


Performance score 28.74 2.60
Integrated graphics card 5.58 1.89
Recency 8 January 2024 30 April 2020
Physical cores 24 2
Threads 32 4
Power consumption (TDP) 55 Watt 58 Watt

i9-14900HX has a 1005.4% higher aggregate performance score, 195.2% faster integrated GPU, an age advantage of 3 years, 1100% more physical cores and 700% more threads, and 5.5% lower power consumption.

The Core i9-14900HX is our recommended choice as it beats the Pentium Gold G6400 in performance tests.

Be aware that Core i9-14900HX is a notebook processor while Pentium Gold G6400 is a desktop one.


Should you still have questions on choice between Core i9-14900HX and Pentium Gold G6400, 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 i9-14900HX
Core i9-14900HX
Intel Pentium Gold G6400
Pentium Gold G6400

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.


4.1 438 votes

Rate Core i9-14900HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 446 votes

Rate Pentium Gold G6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-14900HX or Pentium Gold G6400, agree or disagree with our judgements, or report an error or mismatch.