Pentium Gold G6405 vs Ryzen Embedded R1505G

Pentium Gold G6405 vs Ryzen Embedded R1505G Performance Spectrum

Pentium Gold G6405

2 / 4

3,817

+0.5%

Ryzen Embedded R1505G

2 / 4

3,799

0.0%

Ryzen Threadripper 3990X

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.

Pentium Gold G6405 vs Ryzen Embedded R1505G 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 Ryzen Embedded R1505G: 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

✅Better for gaming: +5.2% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌No integrated graphics, while Ryzen Embedded R1505G can still boot and troubleshoot without a discrete GPU.

Ryzen Embedded R1505G

2019

Why buy it

✅100+% more PCIe lanes (8 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon Vega 3, while Pentium Gold G6405 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium Gold G6405 across 50 shared CPU benchmark tests.
❌Lower PassMark (3,799 vs 3,817).
❌Launch MSRP is still $80 MSRP, while Pentium Gold G6405 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Pentium Gold G6405 better than Ryzen Embedded R1505G?

Yes. Pentium Gold G6405 is the better all-around CPU here. It gives you a 5.2% average FPS lead across 50 shared CPU game tests in our data, 0.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium Gold G6405 is the better pick. According to our tests, it delivers 5.2% 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, Pentium Gold G6405 is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 4 threads.

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

Pentium Gold G6405 is the easy recommendation for a fresh desktop build. Pentium Gold G6405 comes in at an unclear MSRP at unclear MSRP versus $80 MSRP, and it still gives you a 5.2% average FPS lead across 50 shared CPU game tests in our data. Ryzen Embedded R1505G only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 5.2% in the shared gaming 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 2019) and more multi-core headroom with 2 cores / 4 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium Gold G6405 vs Ryzen Embedded R1505G 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.

Ryzen Embedded R1505G

The Ryzen Embedded R1505G is manufactured by AMD. It was released in 25 February 2020 (5 years ago). It is based on the Zen (2017−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 25 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,799 points. Launch price was $80.

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Processing Power

Both the Pentium Gold G6405 and Ryzen Embedded R1505G share an identical 2-core/4-thread configuration. Boost clocks reach 4.1 GHz on the Pentium Gold G6405 versus 3.3 GHz on the Ryzen Embedded R1505G — a 21.6% clock advantage for the Pentium Gold G6405 (base: 4.1 GHz vs 2.4 GHz). The Pentium Gold G6405 uses the Comet Lake-R (2021) architecture (14 nm), while the Ryzen Embedded R1505G uses Zen (2017−2020) (14 nm). In PassMark, the Pentium Gold G6405 scores 3,817 against the Ryzen Embedded R1505G's 3,799 — a 0.5% lead for the Pentium Gold G6405. Both processors carry 4 MB (total) of L3 cache.

Feature	Pentium Gold G6405	Ryzen Embedded R1505G
Cores / Threads	2 / 4	2 / 4
Boost Clock	4.1 GHz+24%	3.3 GHz
Base Clock	4.1 GHz+71%	2.4 GHz
L3 Cache	4 MB (total)	4 MB (total)
L2 Cache	256 kB (per core)	512 kB (per core)+100%
Process	14 nm	14 nm
Architecture	Comet Lake-R (2021)	Zen (2017−2020)
PassMark	3,817	3,799

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Memory & Platform

The Pentium Gold G6405 uses the LGA1200 socket (PCIe 3.0), while the Ryzen Embedded R1505G uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Pentium Gold G6405	Ryzen Embedded R1505G
Socket	LGA1200	FP5
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR4-2400
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	8

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Advanced Features

Virtualization: not specified (Pentium Gold G6405) / AMD-V (Ryzen Embedded R1505G). The Ryzen Embedded R1505G includes integrated graphics (Radeon Vega 3), while the Pentium Gold G6405 requires a dedicated GPU. Primary use case: Ryzen Embedded R1505G targets Embedded.