A4-6300B vs Pentium Gold 6405U

A4-6300B vs Pentium Gold 6405U Performance Spectrum

A4-6300B

2 / 2

1,328

+0.6%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium Gold 6405U

2 / 4

1,320

0.0%

Celeron N3010

Pentium D 940

Core 2 Duo E6750

Celeron Dual-Core T3100

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.

A4-6300B vs Pentium Gold 6405U 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.

A4-6300B vs Pentium Gold 6405U: Pros, Cons & Final Verdict

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

A4-6300B

2013

Why buy it

✅Better for gaming: +3.0% higher average FPS across 46 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon HD 8370D, while Pentium Gold 6405U needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Pentium Gold 6405U.

Trade-offs

❌6400% higher power demand at 65W vs 1W.

Pentium Gold 6405U

2019

Why buy it

✅Draws 1W instead of 65W, a 64W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than A4-6300B across 46 shared CPU benchmark tests.
❌Lower PassMark (1,320 vs 1,328).
❌No integrated graphics, while A4-6300B can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike A4-6300B.

Quick Answers

So, is A4-6300B better than Pentium Gold 6405U?

Yes. A4-6300B is the better all-around CPU here. It gives you a 3.0% average FPS lead across 46 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, A4-6300B is the better pick. According to our tests, it delivers 3.0% more average FPS across 46 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, A4-6300B is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 2 threads.

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

A4-6300B still makes the most sense overall. A4-6300B comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.0% average FPS lead across 46 shared CPU game tests in our data.

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

Pentium Gold 6405U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2013). That makes it the safer long-term bet.

A4-6300B vs Pentium Gold 6405U Technical Specifications

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

A4-6300B

The A4-6300B is manufactured by AMD. It was released in 2014-01-01. It is based on the Richland (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 3.7 GHz, with boost up to 3.9 GHz. L2 cache: 1 MB (total). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1600. Passmark benchmark score: 1,328 points. Launch price was $50.

Pentium Gold 6405U

The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.

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Processing Power

The A4-6300B packs 2 cores / 2 threads, matching the Pentium Gold 6405U's 2 cores. Boost clocks reach 3.9 GHz on the A4-6300B versus 2.4 GHz on the Pentium Gold 6405U — a 47.6% clock advantage for the A4-6300B (base: 3.7 GHz vs 2.4 GHz). The A4-6300B uses the Richland (2013−2014) architecture (32 nm), while the Pentium Gold 6405U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the A4-6300B scores 1,328 against the Pentium Gold 6405U's 1,320 — a 0.6% lead for the A4-6300B.

Feature	A4-6300B	Pentium Gold 6405U
Cores / Threads	2 / 2	2 / 4
Boost Clock	3.9 GHz+63%	2.4 GHz
Base Clock	3.7 GHz+54%	2.4 GHz
L3 Cache	—	2 MB
L2 Cache	1 MB (total)	1 MB
Process	32 nm	14 nm-56%
Architecture	Richland (2013−2014)	Comet Lake-U (2019−2020)
PassMark	1,328	1,320
Geekbench 6 Single	415	—

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Memory & Platform

The A4-6300B uses the FM2 socket (PCIe 3.0), while the Pentium Gold 6405U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	A4-6300B	Pentium Gold 6405U
Socket	FM2	FCBGA1528
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: AMD-V (A4-6300B) / not specified (Pentium Gold 6405U). The A4-6300B includes integrated graphics (Radeon HD 8370D), while the Pentium Gold 6405U requires a dedicated GPU. Primary use case: A4-6300B targets Business Desktop. Direct competitor: A4-6300B rivals Pentium G3240.