Xeon Gold 5515+ vs Xeon Gold 6226R

Intel

Xeon Gold 5515+

8 Cores16 Thrd165 WWMax: 4.1 GHz2023
VS
Intel

Xeon Gold 6226R

16 Cores32 Thrd150 WWMax: 3.9 GHz2020

Xeon Gold 5515+ vs Xeon Gold 6226R Performance Spectrum

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.

Xeon Gold 5515+ vs Xeon Gold 6226R 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 Gold 5515+ vs Xeon Gold 6226R: Pros, Cons & Final Verdict

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

Xeon Gold 5515+

2023

Why buy it

  • βœ…Newer platform on LGA4677 with DDR5 support instead of LGA3647 and DDR4.

Trade-offs

  • ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon Gold 6226R

2020

Why buy it

  • βœ…Draws 150W instead of 165W, a 15W reduction.

Trade-offs

  • ❌Lower PassMark (26,278 vs 26,359).
  • ❌Older platform position on LGA3647 with DDR4, while Xeon Gold 5515+ moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon Gold 5515+ better than Xeon Gold 6226R?
Yes. Xeon Gold 5515+ is the better all-around CPU here. It gives you a 2.1% average FPS lead across 50 shared CPU game tests in our data, 0.3% 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 Gold 5515+ is the better pick. According to our tests, it delivers 2.1% 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 Gold 5515+ is the stronger fit. You are getting 0.3% better PassMark, backed by 8 cores and 16 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon Gold 5515+ still makes the most sense overall. Xeon Gold 5515+ comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.1% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 5515+ makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with LGA4677 and DDR5 instead of LGA3647, and more multi-core headroom with 8 cores / 16 threads instead of 16/32. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Gold 5515+ vs Xeon Gold 6226R Technical Specifications

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

Intel

Xeon Gold 5515+

The Xeon Gold 5515+ is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4.1 GHz. L3 cache: 22.5 MB (total). L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 165 Watt. Memory support: DDR5. Passmark benchmark score: 26,359 points. Launch price was $1,099.

Intel

Xeon Gold 6226R

The Xeon Gold 6226R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019βˆ’2020) architecture. It features 16 cores and 32 threads. Base frequency is 2.9 GHz, with boost up to 3.9 GHz. L3 cache: 22 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2933. Passmark benchmark score: 26,278 points. Launch price was $1,300.

⚑

Processing Power

The Xeon Gold 5515+ packs 8 cores / 16 threads, while the Xeon Gold 6226R offers 16 cores / 32 threads β€” the Xeon Gold 6226R has 8 more cores. Boost clocks reach 4.1 GHz on the Xeon Gold 5515+ versus 3.9 GHz on the Xeon Gold 6226R β€” a 5% clock advantage for the Xeon Gold 5515+ (base: 3.2 GHz vs 2.9 GHz). The Xeon Gold 5515+ uses the Emerald Rapids (2023) architecture (10 nm), while the Xeon Gold 6226R uses Cascade Lake (2019βˆ’2020) (14 nm). In PassMark, the Xeon Gold 5515+ scores 26,359 against the Xeon Gold 6226R's 26,278 β€” a 0.3% lead for the Xeon Gold 5515+. L3 cache: 22.5 MB (total) on the Xeon Gold 5515+ vs 22 MB on the Xeon Gold 6226R.

FeatureXeon Gold 5515+Xeon Gold 6226R
Cores / Threads
8 / 16
16 / 32+100%
Boost Clock
4.1 GHz+5%
3.9 GHz
Base Clock
3.2 GHz+10%
2.9 GHz
L3 Cache
22.5 MB (total)+2%
22 MB
L2 Cache
2 MB (per core)
16 MB+700%
Process
10 nm-29%
14 nm
Architecture
Emerald Rapids (2023)
Cascade Lake (2019βˆ’2020)
PassMark
26,359
26,278
🧠

Memory & Platform

The Xeon Gold 5515+ uses the LGA4677 socket (PCIe 4.0), while the Xeon Gold 6226R uses LGA3647 (PCIe 3.0) β€” making them incompatible on the same motherboard.

FeatureXeon Gold 5515+Xeon Gold 6226R
Socket
LGA4677
LGA3647
PCIe Generation
PCIe 4.0+33%
PCIe 3.0