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 E7-8867 v3 vs Xeon w5-2455X 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 E7-8867 v3 vs Xeon w5-2455X: Pros, Cons & Final Verdict

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

Xeon E7-8867 v3

2015

Why buy it

✅+50% larger total L3 cache (45 MB vs 30 MB).
✅Draws 165W instead of 200W, a 35W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w5-2455X across 50 shared CPU benchmark tests.
❌Lower PassMark (36,908 vs 37,109).
❌Lower PassMark per dollar, at 7.9 vs 35.7 PassMark/$ ($4,672 MSRP vs $1,039 MSRP).
❌Older platform position on LGA2011 with DDR4, while Xeon w5-2455X moves to LGA4677 and DDR5.

Xeon w5-2455X

2023

Why buy it

✅Better for gaming: +6.9% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $3,633 less on MSRP ($1,039 MSRP vs $4,672 MSRP).
✅Delivers 352.1% more PassMark for each dollar spent, at 35.7 vs 7.9 PassMark/$ ($1,039 MSRP vs $4,672 MSRP).
✅Newer platform on LGA4677 with DDR5 support instead of LGA2011 and DDR4.
✅100% more PCIe lanes (64 vs 32) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (30 MB vs 45 MB).
❌21.2% higher power demand at 200W vs 165W.

Quick Answers

So, is Xeon w5-2455X better than Xeon E7-8867 v3?

Yes. Xeon w5-2455X is the better all-around CPU here. It gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data, 0.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon w5-2455X is the better pick. According to our tests, it delivers 6.9% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon w5-2455X is the stronger fit. You are getting 0.5% better PassMark, backed by 12 cores and 24 threads.

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

Xeon w5-2455X is the better buy right now. Xeon w5-2455X comes in $3,633 cheaper on MSRP at $1,039 MSRP versus $4,672 MSRP, and it still gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data. It is also 352.1% better value on MSRP (35.7 vs 7.9 PassMark/$), 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 w5-2455X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2015), a healthier platform with LGA4677 and DDR5 instead of LGA2011, more multi-core headroom with 12 cores / 24 threads instead of 16/32, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon E7-8867 v3 vs Xeon w5-2455X Technical Specifications

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

Xeon E7-8867 v3

The Xeon E7-8867 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EX (2015) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 3.3 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: 36,908 points. Launch price was $800.

Xeon w5-2455X

The Xeon w5-2455X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 4.6 GHz. L3 cache: 30 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 200 Watt. Memory support: DDR5-4800. Passmark benchmark score: 37,109 points. Launch price was $1,039.

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Processing Power

The Xeon E7-8867 v3 packs 16 cores / 32 threads, while the Xeon w5-2455X offers 12 cores / 24 threads — the Xeon E7-8867 v3 has 4 more cores. Boost clocks reach 3.3 GHz on the Xeon E7-8867 v3 versus 4.6 GHz on the Xeon w5-2455X — a 32.9% clock advantage for the Xeon w5-2455X (base: 2.5 GHz vs 3.2 GHz). The Xeon E7-8867 v3 uses the Haswell-EX (2015) architecture (22 nm), while the Xeon w5-2455X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon E7-8867 v3 scores 36,908 against the Xeon w5-2455X's 37,109 — a 0.5% lead for the Xeon w5-2455X. L3 cache: 45 MB (total) on the Xeon E7-8867 v3 vs 30 MB on the Xeon w5-2455X.

Feature	Xeon E7-8867 v3	Xeon w5-2455X
Cores / Threads	16 / 32+33%	12 / 24
Boost Clock	3.3 GHz	4.6 GHz+39%
Base Clock	2.5 GHz	3.2 GHz+28%
L3 Cache	45 MB (total)+50%	30 MB
L2 Cache	256K (per core)+12700%	2 MB (per core)
Process	22 nm	Intel 7 nm-68%
Architecture	Haswell-EX (2015)	Sapphire Rapids (2023−2024)
PassMark	36,908	37,109
Geekbench 6 Single	850	—
Geekbench 6 Multi	10,000	—

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Memory & Platform

The Xeon E7-8867 v3 uses the LGA2011 socket (PCIe 3.0), while the Xeon w5-2455X uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-1866 on the Xeon E7-8867 v3 versus 4800 on the Xeon w5-2455X — the Xeon w5-2455X supports 157.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w5-2455X supports up to 2048 GB of RAM compared to 1536 GB — 33.3% more capacity for professional workloads. Both feature 4-channel memory with ECC support. PCIe lanes: 32 (Xeon E7-8867 v3) vs 64 (Xeon w5-2455X) — the Xeon w5-2455X offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C602J (Xeon E7-8867 v3) and W790 (Xeon w5-2455X).

Feature	Xeon E7-8867 v3	Xeon w5-2455X
Socket	LGA2011	LGA4677
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-1866	4800+157%
Max RAM Capacity	1536 GB	2048 GB+33%
RAM Channels	4	4
ECC Support	Yes	Yes
PCIe Lanes	32	64+100%

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Advanced Features

Only the Xeon w5-2455X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w5-2455X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Xeon E7-8867 v3 targets Server. Direct competitor: Xeon w5-2455X rivals Threadripper 7960X.

Feature	Xeon E7-8867 v3	Xeon w5-2455X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Server	—

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Value Analysis

At launch, the Xeon E7-8867 v3 was priced at $4672, while the Xeon w5-2455X came in at $1039. On launch pricing ($4672 vs $1039), Xeon w5-2455X was $3633 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E7-8867 v3 delivers 7.9 pts/$ vs 35.7 pts/$ for the Xeon w5-2455X — making the Xeon w5-2455X the 127.6% better value option.

Feature	Xeon E7-8867 v3	Xeon w5-2455X
MSRP	$4672	$1039-78%
Performance per Dollar	7.9	35.7+352%
Release Date	2015	2023

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