Intel Xeon 6766E Apple M5 Max (18-CPU 40-GPU)
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Intel Xeon 6766E vs Apple M5 Max (18-CPU 40-GPU)

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The Intel Xeon 6766E is based on the Sierra Forest-SP architecture and is manufactured using Intel's 5-nanometer process.

It is designed for use in data centers and is aimed at enterprise customers seeking high efficiency in parallel workloads. The architecture offers a Level 3 cache of 108 MB, but according to specifications, it lacks a Level 2 cache. In benchmarks, the Intel Xeon 6766E shows stable performance in multi-core scenarios but falls behind in single-core performance in direct comparison.

Since the Intel Xeon 6766E has no integrated graphics unit, it is unsuitable for gaming. With PCIe 5.0 and a memory bandwidth of 410 GB/s, it is equipped for professional infrastructures. The thermal design power is designed for continuous server operation. The price reflects its use in the enterprise sector.

The Apple M5 Max (18-CPU 40-GPU) is produced using a 3-nanometer process and is intended for professional users in the workstation sector.

It features 18 CPU cores and the integrated Apple M5 Max (40 Core) graphics unit. Thanks to the memory bandwidth of 614 GB/s and the graphics unit, the Apple M5 Max (18-CPU 40-GPU) offers good AI performance. In benchmarks, it achieves single-core and multi-core performance results that are significantly higher than the comparison model.

In games, the Apple M5 Max (18-CPU 40-GPU) delivers better performance due to the powerful graphics unit but is limited by the operating system. The energy efficiency is high, what minimizes heat development. The Intel Xeon 6766E is recommended for server applications, while the Apple M5 Max (18-CPU 40-GPU) is ideal for graphical workstations.

Intel Xeon 6766E

  • Sierra Forest-SP architecture for high efficiency
  • Support for PCIe 5.0 for fast data transfer
  • Large Level 3 cache of 108 MB
  • Optimized for parallel workloads in data centers

Apple M5 Max (18-CPU 40-GPU)

  • Advanced manufacturing using a 3-nanometer process
  • Good AI performance due to high memory bandwidth
  • Integrated 40-core graphics for demanding tasks
  • High performance in single-core and multi-core scenarios

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 25 %
Intel Xeon 6766E
Rank 1 - 100 %
Apple M5 Max (18-CPU 40-GPU)
Multi-core performance
Rank 2 - 38 %
Intel Xeon 6766E
Rank 1 - 100 %
Apple M5 Max (18-CPU 40-GPU)
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Xeon 6766E
144C / 144T · 2.70 GHz
1,040
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
4,250
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Xeon 6766E
144C / 144T · 1.90 GHz
11,100
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 0.91 GHz
29,200

More benchmarks

At a glance

Wischen
Intel Xeon 6766EApple M5 Max (18-CPU 40-GPU)
FamilyIntel Xeon 6 (12)Apple M series (38)
CPU groupIntel Xeon 6700 (7)Apple M5 (6)
ArchitectureSierra Forest-SPM5
Technology5 nm3 nm
SegmentEnterprise / EmbeddedNotebook
SocketLGA 4710
PredecessorApple M4 Max (16-CPU 40-GPU)
Successor

CPU Cores and Base Frequency

Wischen
Intel Xeon 6766EApple M5 Max (18-CPU 40-GPU)
CPU Cores / Threads144 / 14418 / 18
Hyperthreading / SMT
Core architecturenormalhybrid (big.LITTLE)
Core Cluster 1: 144x
1.90 - 2.70 GHz
6x Super-Core
0.91 - 4.61 GHz
Core Cluster 2: 12x Performance-Core
0.90 - 3.05 GHz
L2-Cache22.00 MB
L3-Cache108.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Xeon 6766EApple M5 Max (18-CPU 40-GPU)
GPU nameno iGPUApple M5 Max (40 Core)
GPU frequency0.34 - 1.90 GHz
CUs / Shader / 640 / 5120
Raytracing
Max. displays3
Max. GPU Memory128 GB
Technology3 nm
Release dateQ1/2026

NPU AI performance

Wischen
Intel Xeon 6766EApple M5 Max (18-CPU 40-GPU)
AI hardwareApple Neural Engine
AI specifications16 Neural cores @ 60 TOPS
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Xeon 6766EApple M5 Max (18-CPU 40-GPU)
MemoryDDR5-6400 (409.6 GB/s)
LPDDR5X-9600 (614.4 GB/s)
Max. Memory4096 GB128 GB
Memory channels88
ECCYesNo
PCIe5.0 x 885.0 x 8
PCIe Bandwidth346.5 GB/s31.5 GB/s

Thermal Management

Wischen
Intel Xeon 6766EApple M5 Max (18-CPU 40-GPU)
TDP250 W60 W
TDP (PL2)
TDP up
TDP down
T. junction max.101 °C100 °C

Technical details

Wischen
Intel Xeon 6766EApple M5 Max (18-CPU 40-GPU)
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 11, Windows Server, LinuxmacOS, iPadOS
Instruction setx86-64 (64 bit)Armv9.2-A (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2, AVX-512, AMXRosetta 2 x86-Emulation, AVX2, SME
Release dateQ2/2024Q1/2026
Release price10257 $
DocumentsTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Xeon 6766E is 3.5 stars (2 ratings), while Apple M5 Max (18-CPU 40-GPU) has received 4.9 stars (137 ratings).

Click on the stars to rate one or both processors.

Intel Xeon 6766E
Intel Xeon 6766E
144C / 144T · 1.90 - 2.70 GHz
Apple M5 Max (18-CPU 40-GPU)
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 0.91 - 4.61 GHz

Most popular CPUs in both categories

Intel Xeon 6766E
Intel Xeon 6766E
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