Pentium Gold G6405 vs Xeon E5630

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 E5630 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 E5630: 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

✅+0.8% higher PassMark.
✅Draws 15W instead of 80W, a 65W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5630 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (4 MB vs 12 MB).
❌Less compelling for workstation-style loads than Xeon E5630, which brings 4 cores / 8 threads.

Xeon E5630

2010

Why buy it

✅Better for gaming: +9.2% higher average FPS across 50 shared CPU benchmark tests.
✅+200% larger total L3 cache (12 MB vs 4 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌Lower PassMark (3,785 vs 3,817).
❌433.3% higher power demand at 80W vs 15W.

Quick Answers

So, is Pentium Gold G6405 better than Xeon E5630?

Not really, because they are built for different jobs. Xeon E5630 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 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 0.8% better PassMark.

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 2010) and more multi-core headroom with 2 cores / 4 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium Gold G6405 vs Xeon E5630 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 E5630

The Xeon E5630 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.53 GHz, with boost up to 2.8 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 3,785 points. Launch price was $73.

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Processing Power

The Pentium Gold G6405 packs 2 cores / 4 threads, while the Xeon E5630 offers 4 cores / 8 threads — the Xeon E5630 has 2 more cores. Boost clocks reach 4.1 GHz on the Pentium Gold G6405 versus 2.8 GHz on the Xeon E5630 — a 37.7% clock advantage for the Pentium Gold G6405 (base: 4.1 GHz vs 2.53 GHz). The Pentium Gold G6405 uses the Comet Lake-R (2021) architecture (14 nm), while the Xeon E5630 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Pentium Gold G6405 scores 3,817 against the Xeon E5630's 3,785 — a 0.8% lead for the Pentium Gold G6405. L3 cache: 4 MB (total) on the Pentium Gold G6405 vs 12 MB (total) on the Xeon E5630.

Feature	Pentium Gold G6405	Xeon E5630
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	4.1 GHz+46%	2.8 GHz
Base Clock	4.1 GHz+62%	2.53 GHz
L3 Cache	4 MB (total)	12 MB (total)+200%
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Comet Lake-R (2021)	Westmere-EP (2010−2011)
PassMark	3,817	3,785

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Memory & Platform

The Pentium Gold G6405 uses the LGA1200 socket (PCIe 3.0), while the Xeon E5630 uses LGA1366 (PCIe 4.0) — making them incompatible on the same motherboard.