Xeon E5-1660 v2 vs Xeon Silver 4109T

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 E5-1660 v2 vs Xeon Silver 4109T 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 E5-1660 v2 vs Xeon Silver 4109T: Pros, Cons & Final Verdict

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

Xeon E5-1660 v2

2013

Why buy it

✅Better for gaming: +7.6% higher average FPS across 50 shared CPU benchmark tests.
✅+36.4% larger total L3 cache (15 MB vs 11 MB).

Trade-offs

❌Lower PassMark (10,332 vs 10,348).
❌85.7% higher power demand at 130W vs 70W.

Xeon Silver 4109T

2017

Why buy it

✅+0.2% higher PassMark.
✅Draws 70W instead of 130W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-1660 v2 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (11 MB vs 15 MB).

Quick Answers

So, is Xeon Silver 4109T better than Xeon E5-1660 v2?

It depends on what you want from the system. For gaming, Xeon E5-1660 v2 is ahead with a 7.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Silver 4109T pulls ahead with 0.2% better PassMark. Xeon E5-1660 v2 also has the bigger cache pool with 36.4% larger total L3 cache (15 MB vs 11 MB).

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

For streaming, content creation, and heavier multitasking, Xeon Silver 4109T 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 4109T still makes the most sense overall. Xeon Silver 4109T comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark.

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

Xeon Silver 4109T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2013) and more multi-core headroom with 8 cores / 16 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5-1660 v2 vs Xeon Silver 4109T Technical Specifications

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

Xeon E5-1660 v2

The Xeon E5-1660 v2 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-E (2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 10,332 points. Launch price was $1,809.

Xeon Silver 4109T

The Xeon Silver 4109T 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 2 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): 70 Watt. Memory support: DDR4-2400. Passmark benchmark score: 10,348 points. Launch price was $501.

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Processing Power

The Xeon E5-1660 v2 packs 6 cores / 12 threads, while the Xeon Silver 4109T offers 8 cores / 16 threads — the Xeon Silver 4109T has 2 more cores. Boost clocks reach 4 GHz on the Xeon E5-1660 v2 versus 3 GHz on the Xeon Silver 4109T — a 28.6% clock advantage for the Xeon E5-1660 v2 (base: 3.7 GHz vs 2 GHz). The Xeon E5-1660 v2 uses the Ivy Bridge-E (2013) architecture (22 nm), while the Xeon Silver 4109T uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E5-1660 v2 scores 10,332 against the Xeon Silver 4109T's 10,348 — a 0.2% lead for the Xeon Silver 4109T. L3 cache: 15 MB (total) on the Xeon E5-1660 v2 vs 11 MB on the Xeon Silver 4109T.

Feature	Xeon E5-1660 v2	Xeon Silver 4109T
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4 GHz+33%	3 GHz
Base Clock	3.7 GHz+85%	2 GHz
L3 Cache	15 MB (total)+36%	11 MB
L2 Cache	256 kB (per core)	8 MB+3100%
Process	22 nm	14 nm-36%
Architecture	Ivy Bridge-E (2013)	Skylake (server) (2017−2018)
PassMark	10,332	10,348

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Memory & Platform

The Xeon E5-1660 v2 uses the LGA2011 socket (PCIe 3.0), while the Xeon Silver 4109T uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.