Intel Pentium Gold 6405U vs Intel Core i9-13900HX

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CPU comparison with benchmarks


Intel Pentium Gold 6405U CPU1 vs CPU2 Intel Core i9-13900HX
Intel Pentium Gold 6405U Intel Core i9-13900HX

CPU comparison

In this CPU comparison, we compare the Intel Pentium Gold 6405U and the Intel Core i9-13900HX and use benchmarks to check which processor is faster.

We compare the Intel Pentium Gold 6405U 2 core processor released in Q4/2019 with the Intel Core i9-13900HX which has 24 CPU cores and was introduced in Q1/2023.
Intel Pentium (150) Family Intel Core i9 (78)
Intel Pentium 6000 (1) CPU group Intel Core i 13000H (26)
10 Generation 13
Comet Lake U Architecture Raptor Lake H
Mobile Segment Mobile
-- Predecessor Intel Core i9-12900HX
-- Successor Intel Core i9-14900HX

CPU Cores and Base Frequency

The Intel Pentium Gold 6405U is a 2 core processor with a clock frequency of 2.40 GHz. The processor can compute 4 threads at the same time. The Intel Core i9-13900HX clocks with 2.20 GHz (5.40 GHz), has 24 CPU cores and can calculate 32 threads in parallel.

Intel Pentium Gold 6405U Characteristic Intel Core i9-13900HX
2 Cores 24
4 Threads 32
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
2.40 GHz A-Core 2.20 GHz (5.40 GHz)
8x Raptor Cove
-- B-Core 1.70 GHz (3.60 GHz)
16x Gracemont

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Pentium Gold 6405U Characteristic Intel Core i9-13900HX
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 610 GPU Intel UHD Graphics 13th Gen (32 EU)
0.30 GHz GPU frequency 0.40 GHz
0.95 GHz GPU (Turbo) 1.65 GHz
9.5 GPU Generation 13
14 nm Technology 10 nm
3 Max. displays 3
12 Compute units 32
96 Shader 256
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 64 GB
12 DirectX Version 12.1

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel UHD Graphics 610 GPU Intel UHD Graphics 13th Gen (32 EU)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Pentium Gold 6405U, while the Intel Core i9-13900HX supports a maximum of 192 GB of memory with a maximum memory bandwidth of 89.6 GB/s enabled.

Intel Pentium Gold 6405U Characteristic Intel Core i9-13900HX
LPDDR3-2133, DDR4-2400 Memory DDR5-5600, DDR4-3200
64 GB Max. Memory 192 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 89.6 GB/s
No ECC Yes
-- L2 Cache 32.00 MB
2.00 MB L3 Cache 36.00 MB
2.0 PCIe version 5.0
12 PCIe lanes 20
6.0 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The Intel Pentium Gold 6405U has a TDP of 15 W. The TDP of the Intel Core i9-13900HX is 55 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Pentium Gold 6405U Characteristic Intel Core i9-13900HX
15 W TDP (PL1 / PBP) 55 W
-- TDP (PL2) 157 W
-- TDP up 86 W
12.5 W TDP down 45 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Pentium Gold 6405U has 2.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i9-13900HX is at 68.00 MB. The processor is manufactured in 10 nm.

Intel Pentium Gold 6405U Characteristic Intel Core i9-13900HX
14 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
BGA 1528 Socket BGA 1744
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2019 Release date Q1/2023
193 $ Release price --
show more data show more data


Rate these processors

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Pentium Gold 6405U (29%)
Intel Core i9-13900HX (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Pentium Gold 6405U (6%)
Intel Core i9-13900HX (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
592 (29%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 5.40 GHz
2064 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
1340 (7%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 4.60 GHz
20305 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
Intel UHD Graphics 610 @ 0.95 GHz
182 (22%)
Intel Core i9-13900HX Intel Core i9-13900HX
Intel UHD Graphics 13th Gen (32 EU) @ 1.65 GHz
845 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
2329 (5%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 4.60 GHz
46755 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 5.40 GHz
115 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 5.40 GHz
1672 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 5.40 GHz
2062 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 4.60 GHz
30320 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 5.40 GHz
2712 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
Intel Core i9-13900HX Intel Core i9-13900HX
24C 32T @ 4.60 GHz
15722 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2.40 GHz
0 (0%)
Intel Core i9-13900HX Intel Core i9-13900HX
30,320 CB R23 MC @ 158 W
192 (100%)

Devices using this processor

Intel Pentium Gold 6405U Intel Core i9-13900HX
Lenovo Ideapad 3 17IML05 Unknown

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