AMD EPYC 9865 vs Intel Xeon W-11855M

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Note: The information shown below is based on a pre-sample. Technical details or benchmark results may be different in the final version of this processor.

CPU comparison with benchmarks


AMD EPYC 9865 CPU1 vs CPU2 Intel Xeon W-11855M
AMD EPYC 9865 Intel Xeon W-11855M

CPU comparison

In this CPU comparison, we compare the AMD EPYC 9865 and the Intel Xeon W-11855M and use benchmarks to check which processor is faster.

We compare the AMD EPYC 9865 160 core processor released in Q4/2024 with the Intel Xeon W-11855M which has 6 CPU cores and was introduced in Q2/2021.
AMD EPYC (129) Family Intel Xeon W (83)
AMD EPYC 9005 (21) CPU group Intel Xeon W-11000M (8)
5 Generation 11
Turin (Zen 5 / Zen 5c) Architecture Tiger Lake H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 9865 is a 160 core processor with a clock frequency of 2.10 GHz. The processor can compute 320 threads at the same time. The Intel Xeon W-11855M clocks with 3.20 GHz (4.90 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

AMD EPYC 9865 Characteristic Intel Xeon W-11855M
160 Cores 6
320 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.10 GHz Frequency 3.20 GHz
-- Turbo Frequency (1 Core) 4.90 GHz
-- Turbo Frequency (All Cores) 3.80 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD EPYC 9865 Characteristic Intel Xeon W-11855M
-- AI hardware --
-- AI specifications --

Internal Graphics

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.

no iGPU GPU Intel UHD Graphics 11th Gen (32 EU)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.45 GHz
-- GPU Generation 11
Technology 10 nm
Max. displays 3
-- Compute units 32
-- Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

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.

no iGPU GPU Intel UHD Graphics 11th Gen (32 EU)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 6144 GB of memory in a maximum of 12 memory channels is supported by the AMD EPYC 9865, while the Intel Xeon W-11855M supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD EPYC 9865 Characteristic Intel Xeon W-11855M
DDR5-6000 Memory DDR4-3200
6144 GB Max. Memory 128 GB
12 Memory channels 2 (Dual Channel)
480.0 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC Yes
-- L2 Cache --
320.00 MB L3 Cache 18.00 MB
5.0 PCIe version 4.0
128 PCIe lanes 20
504.1 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The AMD EPYC 9865 has a TDP of 400 W. The TDP of the Intel Xeon W-11855M is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD EPYC 9865 Characteristic Intel Xeon W-11855M
400 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 35 W
100 °C Tjunction max. 100 °C

Technical details

The AMD EPYC 9865 has 320.00 MB cache and is manufactured in 4 nm. The cache of Intel Xeon W-11855M is at 18.00 MB. The processor is manufactured in 10 nm.

AMD EPYC 9865 Characteristic Intel Xeon W-11855M
4 nm Technology 10 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
SP5 Socket BGA 1787
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows Server 2022, Linux, Windows 11 Operating systems
Q4/2024 Release date Q2/2021
-- Release price 450 $
show more data show more data


Rate these processors

Here you can rate the AMD EPYC 9865 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (2 ratings). Rate now:
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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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
1540 (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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
10518 (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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
1642 (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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
7968 (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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
2142 (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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
8624 (100%)

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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
599 (100%)

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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
4586 (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.
AMD EPYC 9865 AMD EPYC 9865
@ 0.00 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz
742 (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.
AMD EPYC 9865 AMD EPYC 9865
160C 320T @ 2.10 GHzNot verified
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
18367 (100%)

Devices using this processor

AMD EPYC 9865 Intel Xeon W-11855M
Unknown Unknown

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