Pentium Gold G6405 vs Xeon E5-1607

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.

Pentium Gold G6405 vs Xeon E5-1607 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.

Pentium Gold G6405 vs Xeon E5-1607: Pros, Cons & Final Verdict

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

Pentium Gold G6405

2021

Why buy it

✅Draws 15W instead of 130W, a 115W reduction.

Trade-offs

❌Smaller total L3 cache (4 MB vs 10 MB).
❌Less compelling for workstation-style loads than Xeon E5-1607, which brings 4 cores / 4 threads.

Xeon E5-1607

2012

Why buy it

✅+150% larger total L3 cache (10 MB vs 4 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads.

Trade-offs

❌Lower PassMark (3,788 vs 3,817).
❌766.7% higher power demand at 130W vs 15W.

Quick Answers

So, is Pentium Gold G6405 better than Xeon E5-1607?

Not really, because they are built for different jobs. Xeon E5-1607 makes more sense for workstation-style multi-core throughput, while Pentium Gold G6405 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Pentium Gold G6405 is the better pick. According to our tests, it delivers 0.3% 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, Pentium Gold G6405 is the stronger fit. You are getting 0.8% better PassMark, backed by 2 cores and 4 threads.

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

Pentium Gold G6405 still makes the most sense overall. Pentium Gold G6405 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data.

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

Pentium Gold G6405 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2012) and more multi-core headroom with 2 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium Gold G6405 vs Xeon E5-1607 Technical Specifications

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

Pentium Gold G6405

The Pentium Gold G6405 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.1 GHz, with boost up to 4.1 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,817 points. Launch price was $64.

Xeon E5-1607

The Xeon E5-1607 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 4 threads. Base frequency: 3 GHz. L3 cache: 10 MB. Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 3,788 points. Launch price was $800.

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Processing Power

The Pentium Gold G6405 packs 2 cores / 4 threads, while the Xeon E5-1607 offers 4 cores / 4 threads — the Xeon E5-1607 has 2 more cores. The Pentium Gold G6405 is built on the Comet Lake-R (2021) architecture. In PassMark, the Pentium Gold G6405 scores 3,817 against the Xeon E5-1607's 3,788 — a 0.8% lead for the Pentium Gold G6405. L3 cache: 4 MB (total) on the Pentium Gold G6405 vs 10 MB on the Xeon E5-1607.

Feature	Pentium Gold G6405	Xeon E5-1607
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	4.1 GHz	—
Base Clock	4.1 GHz+37%	3 GHz
L3 Cache	4 MB (total)	10 MB+150%
L2 Cache	256 kB (per core)	—
Process	14 nm-56%	32 nm
Architecture	Comet Lake-R (2021)	—
PassMark	3,817	3,788

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Memory & Platform

The Pentium Gold G6405 uses the LGA1200 socket (PCIe 3.0), while the Xeon E5-1607 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard.