A6-6400K vs Xeon X5270

A6-6400K vs Xeon X5270 Performance Spectrum

A6-6400K

2 / 2

1,511

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Xeon X5270

1,524

+0.9%

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.

A6-6400K vs Xeon X5270 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.

A6-6400K vs Xeon X5270: Pros, Cons & Final Verdict

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

A6-6400K

2013

Why buy it

✅Draws 65W instead of 80W, a 15W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon HD 8470D, while Xeon X5270 needs a discrete GPU.
✅Includes a boxed cooler (true), unlike Xeon X5270.

Trade-offs

❌Lower PassMark (1,511 vs 1,524).

Xeon X5270

2008

Why buy it

Trade-offs

❌23.1% higher power demand at 80W vs 65W.
❌No integrated graphics, while A6-6400K can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike A6-6400K.

Quick Answers

So, is Xeon X5270 better than A6-6400K?

Not really, because they are built for different jobs. Xeon X5270 makes more sense for workstation-style multi-core throughput, while A6-6400K is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon X5270 is the better pick. According to our tests, it delivers 0.8% 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, Xeon X5270 is the stronger fit. You are getting 0.9% better PassMark.

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

Xeon X5270 still makes the most sense overall. Xeon X5270 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data.

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

A6-6400K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2008). That makes it the safer long-term bet.

A6-6400K vs Xeon X5270 Technical Specifications

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

A6-6400K

The A6-6400K 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. L3 cache: 0 kB. L2 cache: 1024 kB. Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,511 points. Launch price was $70.

Xeon X5270

The Xeon X5270 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 3.5 GHz. L3 cache: 6 MB L2 Cache. Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Passmark benchmark score: 1,524 points. Launch price was $800.

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Processing Power

The A6-6400K is built on the Richland (2013−2014) architecture. In PassMark, the A6-6400K scores 1,511 against the Xeon X5270's 1,524 — a 0.9% lead for the Xeon X5270. L3 cache: 0 kB on the A6-6400K vs 6 MB L2 Cache on the Xeon X5270.

Feature	A6-6400K	Xeon X5270
Cores / Threads	2 / 2	—
Boost Clock	4.1 GHz	—
Base Clock	3.9 GHz+11%	3.5 GHz
L3 Cache	0 kB	6 MB L2 Cache
L2 Cache	1024 kB	—
Process	32 nm-29%	45 nm
Architecture	Richland (2013−2014)	—
PassMark	1,511	1,524

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Memory & Platform

The A6-6400K uses the FM2 socket (PCIe 3.0), while the Xeon X5270 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	A6-6400K	Xeon X5270
Socket	FM2	LGA771
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	1866	—
Max RAM Capacity	32	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: true (A6-6400K) / not specified (Xeon X5270). The A6-6400K includes integrated graphics (Radeon HD 8470D), while the Xeon X5270 requires a dedicated GPU. Direct competitor: A6-6400K rivals Pentium G3258.