Xeon E5-4640 v3 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 E5-4640 v3 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 E5-4640 v3 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 E5-4640 v3

2015

Why buy it

✅Better for gaming: +10.4% higher average FPS across 50 shared CPU benchmark tests.
✅+172.7% larger total L3 cache (30 MB vs 11 MB).
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $2,859 MSRP, while Xeon Silver 4109T mostly shows up through inconsistent older-market listings.
❌50% higher power demand at 105W vs 70W.

Xeon Silver 4109T

2017

Why buy it

✅Draws 70W instead of 105W, a 35W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-4640 v3 across 50 shared CPU benchmark tests.
❌Lower PassMark (10,348 vs 10,372).
❌Smaller total L3 cache (11 MB vs 30 MB).

Quick Answers

So, is Xeon E5-4640 v3 better than Xeon Silver 4109T?

Yes. Xeon E5-4640 v3 is the better all-around CPU here. It gives you a 10.4% average FPS lead across 50 shared CPU game tests in our data and 0.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E5-4640 v3 is the better pick. According to our tests, it delivers 10.4% 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 E5-4640 v3 is the stronger fit. You are getting 0.2% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 172.7% larger total L3 cache (30 MB vs 11 MB).

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

Xeon E5-4640 v3 is the better buy right now. Xeon E5-4640 v3 comes in at an unclear MSRP at $2,859 MSRP versus unclear MSRP, and it still gives you a 10.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (3.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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 2015). That makes it the safer long-term bet.

Xeon E5-4640 v3 vs Xeon Silver 4109T Technical Specifications

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

Xeon E5-4640 v3

The Xeon E5-4640 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.9 GHz, with boost up to 2.6 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 10,372 points. Launch price was $800.

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 E5-4640 v3 packs 12 cores / 24 threads, while the Xeon Silver 4109T offers 8 cores / 16 threads — the Xeon E5-4640 v3 has 4 more cores. Boost clocks reach 2.6 GHz on the Xeon E5-4640 v3 versus 3 GHz on the Xeon Silver 4109T — a 14.3% clock advantage for the Xeon Silver 4109T (base: 1.9 GHz vs 2 GHz). The Xeon E5-4640 v3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Xeon Silver 4109T uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E5-4640 v3 scores 10,372 against the Xeon Silver 4109T's 10,348 — a 0.2% lead for the Xeon E5-4640 v3. L3 cache: 30 MB (total) on the Xeon E5-4640 v3 vs 11 MB on the Xeon Silver 4109T.

Feature	Xeon E5-4640 v3	Xeon Silver 4109T
Cores / Threads	12 / 24+50%	8 / 16
Boost Clock	2.6 GHz	3 GHz+15%
Base Clock	1.9 GHz	2 GHz+5%
L3 Cache	30 MB (total)+173%	11 MB
L2 Cache	256K (per core)+3100%	8 MB
Process	22 nm	14 nm-36%
Architecture	Haswell-EP (2014−2015)	Skylake (server) (2017−2018)
PassMark	10,372	10,348
Geekbench 6 Single	750	—
Geekbench 6 Multi	7,000	—

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Memory & Platform

The Xeon E5-4640 v3 uses the LGA2011 socket (PCIe 5.0), while the Xeon Silver 4109T uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon E5-4640 v3	Xeon Silver 4109T
Socket	LGA2011	LGA3647
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	DDR4-1866	—
Max RAM Capacity	768 GB	—
RAM Channels	4	—
ECC Support	Yes	—
PCIe Lanes	40	—