Xeon E7-8891 v3 vs Xeon W-11955M

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.

Xeon E7-8891 v3 vs Xeon W-11955M FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Xeon E7-8891 v3 vs Xeon W-11955M: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Xeon E7-8891 v3

2015

Why buy it

✅Better for gaming: +6.9% higher average FPS across 50 shared CPU benchmark tests.
✅+87.5% larger total L3 cache (45 MB vs 24 MB).
✅100+% more PCIe lanes (32 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (21,615 vs 21,702).
❌Lower PassMark per dollar, at 3.2 vs 34.8 PassMark/$ ($6,841 MSRP vs $623 MSRP).
❌371.4% higher power demand at 165W vs 35W.

Xeon W-11955M

2021

Why buy it

✅+0.4% higher PassMark.
✅Costs $6,218 less on MSRP ($623 MSRP vs $6,841 MSRP).
✅Delivers 1002.5% more PassMark for each dollar spent, at 34.8 vs 3.2 PassMark/$ ($623 MSRP vs $6,841 MSRP).
✅Draws 35W instead of 165W, a 130W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E7-8891 v3 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (24 MB vs 45 MB).

Quick Answers

So, is Xeon W-11955M better than Xeon E7-8891 v3?

It depends on what you want from the system. For gaming, Xeon E7-8891 v3 is ahead with a 6.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon W-11955M pulls ahead with 0.4% better PassMark. Xeon E7-8891 v3 also has the bigger cache pool with 87.5% larger total L3 cache (45 MB vs 24 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon W-11955M is the stronger fit. You are getting 0.4% better PassMark, backed by 8 cores and 16 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Xeon W-11955M is the better buy right now. Xeon W-11955M comes in $6,218 cheaper on MSRP at $623 MSRP versus $6,841 MSRP, and it still gives you 0.4% better PassMark. The compromise is that Xeon E7-8891 v3 is still the better pure gaming CPU with a 6.9% average FPS lead across 50 shared CPU game tests in our data. It is also 1002.5% better value on MSRP (34.8 vs 3.2 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Xeon W-11955M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2015) and more multi-core headroom with 8 cores / 16 threads instead of 10/20. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E7-8891 v3 vs Xeon W-11955M Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Xeon E7-8891 v3

The Xeon E7-8891 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EX (2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 45 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 165 Watt. Memory support: DDR4-1333/1600/1866, DDR3-1066/1333/1600. Passmark benchmark score: 21,615 points. Launch price was $800.

Xeon W-11955M

The Xeon W-11955M 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 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 5 GHz. L3 cache: 24 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: 21,702 points. Launch price was $623.

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Processing Power

The Xeon E7-8891 v3 packs 10 cores / 20 threads, while the Xeon W-11955M offers 8 cores / 16 threads — the Xeon E7-8891 v3 has 2 more cores. Boost clocks reach 3.5 GHz on the Xeon E7-8891 v3 versus 5 GHz on the Xeon W-11955M — a 35.3% clock advantage for the Xeon W-11955M (base: 2.8 GHz vs 2.1 GHz). The Xeon E7-8891 v3 uses the Haswell-EX (2015) architecture (22 nm), while the Xeon W-11955M uses Tiger Lake-H (2021) (10 nm SuperFin). In PassMark, the Xeon E7-8891 v3 scores 21,615 against the Xeon W-11955M's 21,702 — a 0.4% lead for the Xeon W-11955M. L3 cache: 45 MB (total) on the Xeon E7-8891 v3 vs 24 MB (total) on the Xeon W-11955M.

Feature	Xeon E7-8891 v3	Xeon W-11955M
Cores / Threads	10 / 20+25%	8 / 16
Boost Clock	3.5 GHz	5 GHz+43%
Base Clock	2.8 GHz+33%	2.1 GHz
L3 Cache	45 MB (total)+88%	24 MB (total)
L2 Cache	256K (per core)+20380%	1.25 MB (per core)
Process	22 nm	10 nm SuperFin-55%
Architecture	Haswell-EX (2015)	Tiger Lake-H (2021)
PassMark	21,615	21,702
Geekbench 6 Single	900	—
Geekbench 6 Multi	9,500	—

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Memory & Platform

The Xeon E7-8891 v3 uses the LGA2011 socket (PCIe 3.0), while the Xeon W-11955M uses FCBGA1787 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Xeon E7-8891 v3	Xeon W-11955M
Socket	LGA2011	FCBGA1787
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-1866	—
Max RAM Capacity	1536 GB	—
RAM Channels	4	—
ECC Support	Yes	—
PCIe Lanes	32	—

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Advanced Features

Virtualization: Yes (Xeon E7-8891 v3) / not specified (Xeon W-11955M).

Feature	Xeon E7-8891 v3	Xeon W-11955M
Integrated GPU	No	—
AVX-512	No	—
Virtualization	Yes	—

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Value Analysis

At launch, the Xeon E7-8891 v3 was priced at $6841, while the Xeon W-11955M came in at $623. On launch pricing ($6841 vs $623), Xeon W-11955M was $6218 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E7-8891 v3 delivers 3.2 pts/$ vs 34.8 pts/$ for the Xeon W-11955M — making the Xeon W-11955M the 166.7% better value option.

Feature	Xeon E7-8891 v3	Xeon W-11955M
MSRP	$6841	$623-91%
Performance per Dollar	3.2	34.8+987%
Release Date	2015	2021

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