M1 Pro 8-Core
VS
Xeon W-11855M

M1 Pro 8-Core vs Xeon W-11855M

M1 Pro 8-Core

8 Cores8 Thrd28 WWMax: 3.22 GHz2021
VS
Intel

Xeon W-11855M

6 Cores12 Thrd35 WWMax: 4.9 GHz2021

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar M1 Pro 8-Core

#208
M1 Pro 8-Core
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon W-11855M

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
5356%
#1
Core i9-9990XE
MSRP: $2000|Avg: N/A
39%
#2
Xeon W-11855M
MSRP: $450|Avg: $200
100%
#3
Xeon W-11955M
MSRP: $623|Avg: $450
90%
#4
Xeon W-11865MLE
MSRP: $467|Avg: $350
88%
#5
Xeon W-11865MRE
MSRP: $600|Avg: $600
84%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
1011%
#10
Xeon 6337P
MSRP: $60|Avg: $5
899%
#15
EPYC 9174F
MSRP: $194|Avg: $30
694%
#16
EPYC 7302
MSRP: $978|Avg: $109
691%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($200) and a Consumer Desktop CPU. The Xeon W-11855M is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.
InsightM1 Pro 8-CoreXeon W-11855M
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
More affordable ($0)
⚠️ Higher cost ($200)
Longevity
✨ Modern (Legacy / 5 nm)
✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin)

💎 Value Proposition

The M1 Pro 8-Core ($0), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($200 less, 100% cheaper), making it the better choice for daily use and gaming.
InsightM1 Pro 8-CoreXeon W-11855M
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
More affordable ($0)
⚠️ Higher cost ($200)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Technical Specifications

Side-by-side comparison of M1 Pro 8-Core and Xeon W-11855M

M1 Pro 8-Core

The M1 Pro 8-Core is manufactured by Apple. It was released in 18 October 2021 (4 years ago). It features 8 cores and 8 threads. Base frequency is 2.06 GHz, with boost up to 3.22 GHz. L3 cache: 16 MB. L2 cache: 28 MB. Built on 5 nm process technology. Socket: none. Thermal design power (TDP): 28 MB + 16 MB. Memory support: LPDDR5. Passmark benchmark score: 17,218 points. Launch price was $299.

Intel

Xeon W-11855M

The Xeon W-11855M is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 4.9 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 17,462 points. Launch price was $450.

Processing Power

The M1 Pro 8-Core packs 8 cores / 8 threads, while the Xeon W-11855M offers 6 cores / 12 threads — the M1 Pro 8-Core has 2 more cores. Boost clocks reach 3.22 GHz on the M1 Pro 8-Core versus 4.9 GHz on the Xeon W-11855M — a 41.4% clock advantage for the Xeon W-11855M (base: 2.06 GHz vs 3.2 GHz). The Xeon W-11855M is built on the Tiger Lake-H (2021) architecture. In PassMark, the M1 Pro 8-Core scores 17,218 against the Xeon W-11855M's 17,462 — a 1.4% lead for the Xeon W-11855M. L3 cache: 16 MB on the M1 Pro 8-Core vs 18 MB (total) on the Xeon W-11855M.

FeatureM1 Pro 8-CoreXeon W-11855M
Cores / Threads
8 / 8+33%
6 / 12
Boost Clock
3.22 GHz
4.9 GHz+52%
Base Clock
2.06 GHz
3.2 GHz+55%
L3 Cache
16 MB
18 MB (total)+13%
L2 Cache
28 MB+2140%
1.25 MB (per core)
Process
5 nm-50%
10 nm SuperFin
Architecture
Tiger Lake-H (2021)
PassMark
17,218
17,462+1%
🧠

Memory & Platform

The M1 Pro 8-Core uses the none socket (PCIe 4.0), while the Xeon W-11855M uses FCBGA1787 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureM1 Pro 8-CoreXeon W-11855M
Socket
none
FCBGA1787
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
LPDDR5-6400
Max RAM Capacity
32 GB
RAM Channels
4
ECC Support
PCIe Lanes
0
🔧

Advanced Features

Virtualization: Virtualization (M1 Pro 8-Core) / not specified (Xeon W-11855M). The M1 Pro 8-Core includes integrated graphics (Apple M1 Pro GPU (14-core)), while the Xeon W-11855M requires a dedicated GPU. Primary use case: M1 Pro 8-Core targets Mobile.

FeatureM1 Pro 8-CoreXeon W-11855M
Integrated GPU
Yes
IGPU Model
Apple M1 Pro GPU (14-core)
Unlocked
No
AVX-512
No
Virtualization
Virtualization
Target Use
Mobile