Opteron 3365 vs Pentium Gold G6400

Opteron 3365 vs Pentium Gold G6400 Performance Spectrum

Opteron 3365

8 / 8

4,125

+0.5%

Ryzen Threadripper 3990X

Pentium Gold G6400

2 / 4

4,106

0.0%

Core m5-6Y54

Celeron Dual-Core T1400

About PassMark

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.

Opteron 3365 vs Pentium Gold G6400 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.

Opteron 3365 vs Pentium Gold G6400: Pros, Cons & Final Verdict

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

Opteron 3365

2013

Why buy it

✅Better for gaming: +6.2% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (8 MB vs 4 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 8 threads.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Pentium Gold G6400

2020

Why buy it

✅Draws 58W instead of 65W, a 7W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 3365 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,106 vs 4,125).
❌Smaller total L3 cache (4 MB vs 8 MB).
❌Less compelling for workstation-style loads than Opteron 3365, which brings 8 cores / 8 threads.

Quick Answers

So, is Opteron 3365 better than Pentium Gold G6400?

Not really, because they are built for different jobs. Opteron 3365 makes more sense for workstation-style multi-core throughput, while Pentium Gold G6400 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Opteron 3365 is the better pick. According to our tests, it delivers 6.2% 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, Opteron 3365 is the stronger fit. You are getting 0.5% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).

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

Opteron 3365 still makes the most sense overall. Opteron 3365 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 6.2% average FPS lead across 50 shared CPU game tests in our data.

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

Pentium Gold G6400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2013). That makes it the safer long-term bet.

Opteron 3365 vs Pentium Gold G6400 Technical Specifications

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

Opteron 3365

The Opteron 3365 is manufactured by AMD. It was released in 2015-01-01. It is based on the Delhi (2012−2013) architecture. It features 8 cores and 8 threads. Base frequency is 2.3 GHz, with boost up to 3.3 GHz. L3 cache: 8 MB (total). L2 cache: 4 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,125 points. Launch price was $800.

Pentium Gold G6400

The Pentium Gold G6400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake (2020−2025) architecture. It features 2 cores and 4 threads. Base frequency is 4 GHz, with boost up to 4 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,106 points. Launch price was $69.

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Processing Power

The Opteron 3365 packs 8 cores / 8 threads, while the Pentium Gold G6400 offers 2 cores / 4 threads — the Opteron 3365 has 6 more cores. Boost clocks reach 3.3 GHz on the Opteron 3365 versus 4 GHz on the Pentium Gold G6400 — a 19.2% clock advantage for the Pentium Gold G6400 (base: 2.3 GHz vs 4 GHz). The Opteron 3365 uses the Delhi (2012−2013) architecture (32 nm), while the Pentium Gold G6400 uses Comet Lake (2020−2025) (14 nm). In PassMark, the Opteron 3365 scores 4,125 against the Pentium Gold G6400's 4,106 — a 0.5% lead for the Opteron 3365. L3 cache: 8 MB (total) on the Opteron 3365 vs 4 MB (total) on the Pentium Gold G6400.

Feature	Opteron 3365	Pentium Gold G6400
Cores / Threads	8 / 8+300%	2 / 4
Boost Clock	3.3 GHz	4 GHz+21%
Base Clock	2.3 GHz	4 GHz+74%
L3 Cache	8 MB (total)+100%	4 MB (total)
L2 Cache	4 MB	256K (per core)+6300%
Process	32 nm	14 nm-56%
Architecture	Delhi (2012−2013)	Comet Lake (2020−2025)
PassMark	4,125	4,106

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Memory & Platform

The Opteron 3365 uses the AM3+ socket (PCIe 3.0), while the Pentium Gold G6400 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.