Pentium Gold G6605 vs Xeon D-1518

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 G6605 vs Xeon D-1518 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 G6605 vs Xeon D-1518: 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 G6605

2021

Why buy it

✅+166.7% larger total L3 cache (4 MB vs 1.5 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Xeon D-1518 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,488 vs 4,562).
❌Less compelling for workstation-style loads than Xeon D-1518, which brings 4 cores / 8 threads.
❌65.7% higher power demand at 58W vs 35W.

Xeon D-1518

2015

Why buy it

✅Better for gaming: +11.1% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
✅Draws 35W instead of 58W, a 23W reduction.

Trade-offs

❌Smaller total L3 cache (1.5 MB vs 4 MB).

Quick Answers

So, is Xeon D-1518 better than Pentium Gold G6605?

Not really, because they are built for different jobs. Xeon D-1518 makes more sense for workstation-style multi-core throughput, while Pentium Gold G6605 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon D-1518 is the better pick. According to our tests, it delivers 11.1% 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 D-1518 is the stronger fit. You are getting 1.6% better PassMark, backed by 4 cores and 8 threads.

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

Xeon D-1518 still makes the most sense overall. Xeon D-1518 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 11.1% average FPS lead across 50 shared CPU game tests in our data.

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

Pentium Gold G6605 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2015) and 166.7% larger total L3 cache (4 MB vs 1.5 MB). That makes it the safer long-term bet.

Pentium Gold G6605 vs Xeon D-1518 Technical Specifications

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

Pentium Gold G6605

The Pentium Gold G6605 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 4.3 GHz, with boost up to 4.3 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,488 points. Launch price was $86.

Xeon D-1518

The Xeon D-1518 is manufactured by Intel. It was released in 9 March 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 35 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 4,562 points. Launch price was $193.

⚡

Processing Power

The Pentium Gold G6605 packs 2 cores / 4 threads, while the Xeon D-1518 offers 4 cores / 8 threads — the Xeon D-1518 has 2 more cores. Boost clocks reach 4.3 GHz on the Pentium Gold G6605 versus 2.2 GHz on the Xeon D-1518 — a 64.6% clock advantage for the Pentium Gold G6605 (base: 4.3 GHz vs 2.2 GHz). The Pentium Gold G6605 uses the Comet Lake-R (2021) architecture (14 nm), while the Xeon D-1518 uses Broadwell (2015−2019) (14 nm). In PassMark, the Pentium Gold G6605 scores 4,488 against the Xeon D-1518's 4,562 — a 1.6% lead for the Xeon D-1518. L3 cache: 4 MB (total) on the Pentium Gold G6605 vs 1.5 MB (per core) on the Xeon D-1518.

Feature	Pentium Gold G6605	Xeon D-1518
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	4.3 GHz+95%	2.2 GHz
Base Clock	4.3 GHz+95%	2.2 GHz
L3 Cache	4 MB (total)+167%	1.5 MB (per core)
L2 Cache	256 kB (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Comet Lake-R (2021)	Broadwell (2015−2019)
PassMark	4,488	4,562+2%

🧠

Memory & Platform

The Pentium Gold G6605 uses the LGA1200 socket (PCIe 3.0), while the Xeon D-1518 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.