A6-6400B vs Core i5-4200Y

A6-6400B vs Core i5-4200Y Performance Spectrum

A6-6400B

2 / 2

1,573

+1.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core i5-4200Y

2 / 4

1,558

0.0%

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.

A6-6400B vs Core i5-4200Y 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.

A6-6400B vs Core i5-4200Y: Pros, Cons & Final Verdict

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

A6-6400B

2013

Why buy it

✅Draws 65W instead of 512W, a 447W reduction.
✅33.3% more PCIe lanes (16 vs 12) for storage and expansion-heavy builds.
✅Includes a boxed cooler (true), unlike Core i5-4200Y.

Trade-offs

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

Core i5-4200Y

2013

Why buy it

Trade-offs

❌Lower PassMark (1,558 vs 1,573).
❌687.7% higher power demand at 512W vs 65W.
❌No boxed cooler included, unlike A6-6400B.

Quick Answers

So, is A6-6400B better than Core i5-4200Y?

Yes. A6-6400B is the better all-around CPU here. It gives you a 2.6% average FPS lead across 50 shared CPU game tests in our data and 1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, A6-6400B is the better pick. According to our tests, it delivers 2.6% 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, A6-6400B is the stronger fit. You are getting 1% better PassMark, backed by 2 cores and 2 threads.

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

A6-6400B still makes the most sense overall. A6-6400B comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.6% average FPS lead across 50 shared CPU game tests in our data.

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

Core i5-4200Y is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

A6-6400B vs Core i5-4200Y Technical Specifications

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

A6-6400B

The A6-6400B 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 3.9 GHz, with boost up to 4.1 GHz. L2 cache: 1 MB (total). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,573 points. Launch price was $70.

Core i5-4200Y

The Core i5-4200Y is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.4 GHz, with boost up to 1.9 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 11.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,558 points. Launch price was $297.

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Processing Power

The A6-6400B packs 2 cores / 2 threads, matching the Core i5-4200Y's 2 cores. Boost clocks reach 4.1 GHz on the A6-6400B versus 1.9 GHz on the Core i5-4200Y — a 73.3% clock advantage for the A6-6400B (base: 3.9 GHz vs 1.4 GHz). The A6-6400B uses the Richland (2013−2014) architecture (32 nm), while the Core i5-4200Y uses Haswell (2013−2015) (22 nm). In PassMark, the A6-6400B scores 1,573 against the Core i5-4200Y's 1,558 — a 1% lead for the A6-6400B.

Feature	A6-6400B	Core i5-4200Y
Cores / Threads	2 / 2	2 / 4
Boost Clock	4.1 GHz+116%	1.9 GHz
Base Clock	3.9 GHz+179%	1.4 GHz
L3 Cache	—	3 MB (total)
L2 Cache	1 MB (total)	256K (per core)+25500%
Process	32 nm	22 nm-31%
Architecture	Richland (2013−2014)	Haswell (2013−2015)
PassMark	1,573	1,558
Geekbench 6 Single	—	574

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Memory & Platform

The A6-6400B uses the FM2 socket (PCIe 3.0), while the Core i5-4200Y uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1866 on the A6-6400B versus DDR3L-1600 on the Core i5-4200Y — the A6-6400B supports 16.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A6-6400B supports up to 32 GB of RAM compared to 16 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A6-6400B) vs 12 (Core i5-4200Y) — the A6-6400B offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FM2 (A6-6400B) and HM86,HM87,QM87 (Core i5-4200Y).

Feature	A6-6400B	Core i5-4200Y
Socket	FM2	FCBGA1168
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	1866+17%	DDR3L-1600
Max RAM Capacity	32 GB+100%	16 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16+33%	12

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Advanced Features

Neither processor supports overclocking. Virtualization support: true (A6-6400B) vs VT-x, EPT (Core i5-4200Y). Both include integrated graphics — Radeon HD 8470D (A6-6400B) and HD Graphics 4200 (Core i5-4200Y) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4200Y targets Tablet/2-in-1. Direct competitor: A6-6400B rivals Pentium G3220; Core i5-4200Y rivals A4-5150M.