Xeon E5-2678 v3 vs Xeon Silver 4215R

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 E5-2678 v3 vs Xeon Silver 4215R 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 E5-2678 v3 vs Xeon Silver 4215R: Pros, Cons & Final Verdict

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

Xeon E5-2678 v3

2015

Why buy it

✅+172.7% larger total L3 cache (30 MB vs 11 MB).
✅Draws 120W instead of 130W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Silver 4215R across 50 shared CPU benchmark tests.
❌Lower PassMark (14,653 vs 14,683).

Xeon Silver 4215R

2020

Why buy it

✅Better for gaming: +3.9% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (11 MB vs 30 MB).

Quick Answers

So, is Xeon Silver 4215R better than Xeon E5-2678 v3?

Yes. Xeon Silver 4215R is the better all-around CPU here. It gives you a 3.9% average FPS lead across 50 shared CPU game tests in our data, 0.2% 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 Silver 4215R is the better pick. According to our tests, it delivers 3.9% 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 Silver 4215R is the stronger fit. You are getting 0.2% better PassMark, backed by 8 cores and 16 threads.

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

Xeon Silver 4215R still makes the most sense overall. Xeon Silver 4215R comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.9% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon Silver 4215R makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2015) and more multi-core headroom with 8 cores / 16 threads instead of 12/24. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5-2678 v3 vs Xeon Silver 4215R Technical Specifications

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

Xeon E5-2678 v3

The Xeon E5-2678 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell (2013−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.5 GHz, with boost up to 3.3 GHz. L3 cache: 30 MB. L2 cache: 3072 kB. Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 120 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 14,653 points. Launch price was $800.

Xeon Silver 4215R

The Xeon Silver 4215R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 130 Watt. Memory support: DDR4-2400. Passmark benchmark score: 14,683 points. Launch price was $794.

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Processing Power

The Xeon E5-2678 v3 packs 12 cores / 24 threads, while the Xeon Silver 4215R offers 8 cores / 16 threads — the Xeon E5-2678 v3 has 4 more cores. Boost clocks reach 3.3 GHz on the Xeon E5-2678 v3 versus 4 GHz on the Xeon Silver 4215R — a 19.2% clock advantage for the Xeon Silver 4215R (base: 2.5 GHz vs 3.2 GHz). The Xeon E5-2678 v3 uses the Haswell (2013−2015) architecture (22 nm), while the Xeon Silver 4215R uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Xeon E5-2678 v3 scores 14,653 against the Xeon Silver 4215R's 14,683 — a 0.2% lead for the Xeon Silver 4215R. L3 cache: 30 MB on the Xeon E5-2678 v3 vs 11 MB on the Xeon Silver 4215R.

Feature	Xeon E5-2678 v3	Xeon Silver 4215R
Cores / Threads	12 / 24+50%	8 / 16
Boost Clock	3.3 GHz	4 GHz+21%
Base Clock	2.5 GHz	3.2 GHz+28%
L3 Cache	30 MB+173%	11 MB
L2 Cache	3072 kB	8 MB+167%
Process	22 nm	14 nm-36%
Architecture	Haswell (2013−2015)	Cascade Lake (2019−2020)
PassMark	14,653	14,683

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Memory & Platform

The Xeon E5-2678 v3 uses the LGA2011-3 socket (PCIe 3.0), while the Xeon Silver 4215R uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.