Xeon E-2456 vs Xeon Gold 6126T

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 E-2456 vs Xeon Gold 6126T 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 E-2456 vs Xeon Gold 6126T: Pros, Cons & Final Verdict

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

Xeon E-2456

2023

Why buy it

✅Better for gaming: +15.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 80W instead of 125W, a 45W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA3647 and DDR4.

Trade-offs

❌Lower PassMark (20,705 vs 20,821).

Xeon Gold 6126T

2017

Why buy it

✅+0.6% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E-2456 across 50 shared CPU benchmark tests.
❌56.3% higher power demand at 125W vs 80W.
❌Older platform position on LGA3647 with DDR4, while Xeon E-2456 moves to LGA1700 and DDR5.

Quick Answers

So, is Xeon E-2456 better than Xeon Gold 6126T?

It depends on what you want from the system. For gaming, Xeon E-2456 is ahead with a 15.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6126T pulls ahead with 0.6% better PassMark.

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

For streaming, content creation, and heavier multitasking, Xeon Gold 6126T is the stronger fit. You are getting 0.6% better PassMark, backed by 12 cores and 24 threads.

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

Xeon E-2456 still makes the most sense overall. Xeon E-2456 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 15.6% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon E-2456 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017) and a healthier platform with LGA1700 and DDR5 instead of LGA3647. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon E-2456 vs Xeon Gold 6126T Technical Specifications

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

Xeon E-2456

The Xeon E-2456 is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 80 Watt. Memory support: DDR5-4800. Passmark benchmark score: 20,705 points. Launch price was $375.

Xeon Gold 6126T

The Xeon Gold 6126T is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.6 GHz, with boost up to 3.7 GHz. L3 cache: 19.25 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2666. Passmark benchmark score: 20,821 points. Launch price was $1,865.

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Processing Power

The Xeon E-2456 packs 6 cores / 12 threads, while the Xeon Gold 6126T offers 12 cores / 24 threads — the Xeon Gold 6126T has 6 more cores. Boost clocks reach 5.1 GHz on the Xeon E-2456 versus 3.7 GHz on the Xeon Gold 6126T — a 31.8% clock advantage for the Xeon E-2456 (base: 3.3 GHz vs 2.6 GHz). The Xeon E-2456 uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Xeon Gold 6126T uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E-2456 scores 20,705 against the Xeon Gold 6126T's 20,821 — a 0.6% lead for the Xeon Gold 6126T. L3 cache: 18 MB (total) on the Xeon E-2456 vs 19.25 MB on the Xeon Gold 6126T.

Feature	Xeon E-2456	Xeon Gold 6126T
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	5.1 GHz+38%	3.7 GHz
Base Clock	3.3 GHz+27%	2.6 GHz
L3 Cache	18 MB (total)	19.25 MB+7%
L2 Cache	1.25 MB (per core)	12 MB+860%
Process	Intel 7 nm-50%	14 nm
Architecture	Raptor Lake-S (2023−2024)	Skylake (server) (2017−2018)
PassMark	20,705	20,821

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Memory & Platform

The Xeon E-2456 uses the LGA1700 socket (PCIe 5.0), while the Xeon Gold 6126T uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.