Xeon E3-1275 v6 vs Xeon Silver 4108

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 E3-1275 v6 vs Xeon Silver 4108 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 E3-1275 v6 vs Xeon Silver 4108: Pros, Cons & Final Verdict

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

Xeon E3-1275 v6

2017

Why buy it

✅Draws 73W instead of 85W, a 12W reduction.

Trade-offs

❌Smaller total L3 cache (8 MB vs 11 MB).
❌Lower PassMark per dollar, at 18.4 vs 22.0 PassMark/$ ($499 MSRP vs $417 MSRP).

Xeon Silver 4108

2017

Why buy it

✅+37.5% larger total L3 cache (11 MB vs 8 MB).
✅Costs $82 less on MSRP ($417 MSRP vs $499 MSRP).
✅Delivers 19.3% more PassMark for each dollar spent, at 22.0 vs 18.4 PassMark/$ ($417 MSRP vs $499 MSRP).

Trade-offs

❌Lower PassMark (9,177 vs 9,202).
❌16.4% higher power demand at 85W vs 73W.

Quick Answers

So, is Xeon E3-1275 v6 better than Xeon Silver 4108?

Yes. Xeon E3-1275 v6 is the better all-around CPU here. It gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E3-1275 v6 is the better pick. According to our tests, it delivers 1.2% 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 E3-1275 v6 is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1275 v6 is still the faster CPU overall, but Xeon Silver 4108 is easier to justify if budget matters more than peak performance. Xeon E3-1275 v6 comes in 19.7% more expensive on MSRP at $499 MSRP versus $417 MSRP, and it still gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data. Xeon Silver 4108 is also 19.3% better value on MSRP (22.0 vs 18.4 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon Silver 4108 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Xeon E3-1275 v6 vs Xeon Silver 4108 Technical Specifications

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

Xeon E3-1275 v6

The Xeon E3-1275 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 73 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 9,202 points. Launch price was $339.

Xeon Silver 4108

The Xeon Silver 4108 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 3 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2400. Passmark benchmark score: 9,177 points. Launch price was $417.

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Processing Power

The Xeon E3-1275 v6 packs 4 cores / 8 threads, while the Xeon Silver 4108 offers 8 cores / 16 threads — the Xeon Silver 4108 has 4 more cores. Boost clocks reach 4.2 GHz on the Xeon E3-1275 v6 versus 3 GHz on the Xeon Silver 4108 — a 33.3% clock advantage for the Xeon E3-1275 v6 (base: 3.8 GHz vs 1.8 GHz). The Xeon E3-1275 v6 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Xeon Silver 4108 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E3-1275 v6 scores 9,202 against the Xeon Silver 4108's 9,177 — a 0.3% lead for the Xeon E3-1275 v6. L3 cache: 8 MB on the Xeon E3-1275 v6 vs 11 MB on the Xeon Silver 4108.

Feature	Xeon E3-1275 v6	Xeon Silver 4108
Cores / Threads	4 / 8	8 / 16+100%
Boost Clock	4.2 GHz+40%	3 GHz
Base Clock	3.8 GHz+111%	1.8 GHz
L3 Cache	8 MB	11 MB+38%
L2 Cache	1 MB	8 MB+700%
Process	14 nm	14 nm
Architecture	Kaby Lake (2016−2019)	Skylake (server) (2017−2018)
PassMark	9,202	9,177

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Memory & Platform

The Xeon E3-1275 v6 uses the LGA1151 socket (PCIe 3.0), while the Xeon Silver 4108 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon E3-1275 v6	Xeon Silver 4108
Socket	LGA1151	LGA3647
PCIe Generation	PCIe 3.0	PCIe 3.0

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Value Analysis

At launch, the Xeon E3-1275 v6 was priced at $499, while the Xeon Silver 4108 came in at $417. On launch pricing ($499 vs $417), Xeon Silver 4108 was $82 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E3-1275 v6 delivers 18.4 pts/$ vs 22.0 pts/$ for the Xeon Silver 4108 — making the Xeon Silver 4108 the 17.6% better value option.

Feature	Xeon E3-1275 v6	Xeon Silver 4108
MSRP	$499	$417-16%
Performance per Dollar	18.4	22.0+20%
Release Date	2017	2017

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