Intel Core i9-13900KS vs Intel Xeon Gold 6423N

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CPU comparison with benchmarks


Intel Core i9-13900KS CPU1 vs CPU2 Intel Xeon Gold 6423N
Intel Core i9-13900KS Intel Xeon Gold 6423N

CPU comparison

In this CPU comparison, we compare the Intel Core i9-13900KS and the Intel Xeon Gold 6423N and use benchmarks to check which processor is faster.

We compare the Intel Core i9-13900KS 24 core processor released in Q1/2023 with the Intel Xeon Gold 6423N which has 28 CPU cores and was introduced in Q3/2023.
Intel Core i9 (78) Family Intel Xeon Gold (163)
Intel Core i 13000 (18) CPU group Intel Xeon Gold 5400/6400 Edge Enhanced (8)
13 Generation 4
Raptor Lake S Architecture Sapphire Rapids Edge Enh.
Desktop / Server Segment Desktop / Server
Intel Core i9-12900KS Predecessor --
Intel Core i9-14900KS Successor --

CPU Cores and Base Frequency

The Intel Core i9-13900KS is a 24 core processor with a clock frequency of 3.20 GHz (6.00 GHz). The processor can compute 32 threads at the same time. The Intel Xeon Gold 6423N clocks with 2.00 GHz (3.60 GHz), has 28 CPU cores and can calculate 56 threads in parallel.

Intel Core i9-13900KS Characteristic Intel Xeon Gold 6423N
24 Cores 28
32 Threads 56
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
3.20 GHz (6.00 GHz)
8x Raptor Cove
A-Core 2.00 GHz (3.60 GHz)
2.40 GHz (4.30 GHz)
16x Gracemont
B-Core --

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 Core i9-13900KS Characteristic Intel Xeon Gold 6423N
-- 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 770 GPU no iGPU
0.30 GHz GPU frequency --
1.65 GHz GPU (Turbo) --
11 GPU Generation --
10 nm Technology
3 Max. displays
32 Compute units --
256 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version --

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 770 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 192 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-13900KS, while the Intel Xeon Gold 6423N supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 281.6 GB/s enabled.

Intel Core i9-13900KS Characteristic Intel Xeon Gold 6423N
DDR5-5600, DDR4-3200 Memory DDR5-4400
192 GB Max. Memory 4096 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
89.6 GB/s Max. Bandwidth 281.6 GB/s
Yes ECC Yes
32.00 MB L2 Cache --
36.00 MB L3 Cache 52.50 MB
5.0 PCIe version 4.0
20 PCIe lanes 64
78.8 GB/s PCIe Bandwidth 126.0 GB/s

Thermal Management

The Intel Core i9-13900KS has a TDP of 150 W. The TDP of the Intel Xeon Gold 6423N is 195 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i9-13900KS Characteristic Intel Xeon Gold 6423N
150 W TDP (PL1 / PBP) 195 W
253 W TDP (PL2) --
320 W TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i9-13900KS has 68.00 MB cache and is manufactured in 10 nm. The cache of Intel Xeon Gold 6423N is at 52.50 MB. The processor is manufactured in 10 nm.

Intel Core i9-13900KS Characteristic Intel Xeon Gold 6423N
10 nm Technology 10 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 1700 Socket LGA 4677
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, Linux
Q1/2023 Release date Q3/2023
699 $ Release price 2161 $
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Rate these processors

Here you can rate the Intel Core i9-13900KS to help other visitors make their purchasing decisions. The average rating is 4.5 stars (15 ratings). Rate now:
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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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 6.00 GHz
137 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 3.60 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 6.00 GHz
2158 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 3.60 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 6.00 GHz
2317 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 3.60 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 5.60 GHz
40837 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 2.00 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 6.00 GHz
2221 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 3.60 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 5.60 GHz
24854 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 2.00 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 6.00 GHz
2997 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 3.60 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 5.60 GHz
20947 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 2.00 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 6.00 GHz
902 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 3.60 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 5.60 GHz
15432 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 2.00 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
Intel UHD Graphics 770 @ 1.65 GHz
846 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
@ 0.00 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 5.60 GHz
62340 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 2.00 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 6.00 GHz
338 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 3.60 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core i9-13900KS Intel Core i9-13900KS
24C 32T @ 5.60 GHz
6220 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
28C 56T @ 2.00 GHz
0 (0%)

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 Core i9-13900KS Intel Core i9-13900KS
40,837 CB R23 MC @ 257 W
159 (100%)
Intel Xeon Gold 6423N Intel Xeon Gold 6423N
2.00 GHz
0 (0%)

Devices using this processor

Intel Core i9-13900KS Intel Xeon Gold 6423N
Unknown Unknown

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