Pentium Gold G6405T vs PRO A12-9800E

Pentium Gold G6405T vs PRO A12-9800E Performance Spectrum

Pentium Gold G6405T

2 / 4

3,095

0.0%

Core i5-520M

Core 2 Duo T7250

Core i3-3245

Celeron Dual-Core T1400

3,128

+1.1%

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 G6405T vs PRO A12-9800E 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 G6405T vs PRO A12-9800E: 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 G6405T

2021

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than PRO A12-9800E across 50 shared CPU benchmark tests.
❌Lower PassMark (3,095 vs 3,128).

PRO A12-9800E

2017

Why buy it

✅Better for gaming: +5.0% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

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

Quick Answers

So, is PRO A12-9800E better than Pentium Gold G6405T?

Yes. PRO A12-9800E is the better all-around CPU here. It gives you a 5.0% average FPS lead across 50 shared CPU game tests in our data and 1.1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, PRO A12-9800E is the better pick. According to our tests, it delivers 5.0% 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, PRO A12-9800E is the stronger fit. You are getting 1.1% better PassMark, backed by 4 cores and 4 threads.

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

PRO A12-9800E still makes the most sense overall. PRO A12-9800E comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 5.0% average FPS lead across 50 shared CPU game tests in our data. That said, if you already own a compatible LGA1200 + DDR4 setup, Pentium Gold G6405T can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Pentium Gold G6405T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2017). That makes it the safer long-term bet.

Pentium Gold G6405T vs PRO A12-9800E Technical Specifications

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

Pentium Gold G6405T

The Pentium Gold G6405T 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 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,095 points. Launch price was $64.

PRO A12-9800E

The PRO A12-9800E is manufactured by AMD. It was released in 27 July 2017 (8 years ago). It is based on the Bristol Ridge (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: AM4. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,128 points. Launch price was $69.

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Processing Power

The Pentium Gold G6405T packs 2 cores / 4 threads, while the PRO A12-9800E offers 4 cores / 4 threads — the PRO A12-9800E has 2 more cores. Boost clocks reach 3.5 GHz on the Pentium Gold G6405T versus 3.8 GHz on the PRO A12-9800E — a 8.2% clock advantage for the PRO A12-9800E (base: 3.5 GHz vs 3.1 GHz). The Pentium Gold G6405T uses the Comet Lake-R (2021) architecture (14 nm), while the PRO A12-9800E uses Bristol Ridge (2016−2019) (28 nm). In PassMark, the Pentium Gold G6405T scores 3,095 against the PRO A12-9800E's 3,128 — a 1.1% lead for the PRO A12-9800E.

Feature	Pentium Gold G6405T	PRO A12-9800E
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.5 GHz	3.8 GHz+9%
Base Clock	3.5 GHz+13%	3.1 GHz
L3 Cache	4 MB (total)	—
L2 Cache	256 kB (per core)	2048 kB+700%
Process	14 nm-50%	28 nm
Architecture	Comet Lake-R (2021)	Bristol Ridge (2016−2019)
PassMark	3,095	3,128+1%

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Memory & Platform

The Pentium Gold G6405T uses the LGA1200 socket (PCIe 3.0), while the PRO A12-9800E uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard.