A4 Micro-6400T vs Celeron G550T

A4 Micro-6400T vs Celeron G550T Performance Spectrum

A4 Micro-6400T

4 / 4

1,082

+0.7%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron G550T

2 / 2

1,074

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.

A4 Micro-6400T vs Celeron G550T 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 Micro-6400T vs Celeron G550T: Pros, Cons & Final Verdict

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

A4 Micro-6400T

2014

Why buy it

✅+0.7% higher PassMark.
✅Draws 5W instead of 35W, a 30W reduction.

Trade-offs

❌Lower Geekbench single-core performance for gaming (180 vs 366).

Celeron G550T

2011

Why buy it

✅+103.3% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅100% more PCIe lanes (16 vs 8) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (1,074 vs 1,082).
❌Launch MSRP is still $42 MSRP, while A4 Micro-6400T mostly shows up through inconsistent older-market listings.
❌600% higher power demand at 35W vs 5W.

Quick Answers

So, is A4 Micro-6400T better than Celeron G550T?

It depends on what you want from the system. For gaming, Celeron G550T is ahead with a 1.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, A4 Micro-6400T pulls ahead with 0.7% better PassMark.

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

For streaming, content creation, and heavier multitasking, A4 Micro-6400T is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 4 threads.

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

A4 Micro-6400T is still the much better call for a fresh build. A4 Micro-6400T comes in at an unclear MSRP at unclear MSRP versus $42 MSRP, and it still gives you 0.7% better PassMark. Celeron G550T only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (25.6 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

A4 Micro-6400T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2011) and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

A4 Micro-6400T vs Celeron G550T Technical Specifications

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

A4 Micro-6400T

The A4 Micro-6400T is manufactured by AMD. It was released in 29 April 2014 (11 years ago). It is based on the Mullins (2014) architecture. It features 4 cores and 4 threads. Base frequency is 1 GHz, with boost up to 1.6 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 5 Watt. Memory support: DDR3-1333. Passmark benchmark score: 1,082 points. Launch price was $69.

Celeron G550T

The Celeron G550T is manufactured by Intel. It was released in 2007-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,074 points. Launch price was $69.

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Processing Power

The A4 Micro-6400T packs 4 cores / 4 threads, while the Celeron G550T offers 2 cores / 2 threads — the A4 Micro-6400T has 2 more cores. Boost clocks reach 1.6 GHz on the A4 Micro-6400T versus 2.2 GHz on the Celeron G550T — a 31.6% clock advantage for the Celeron G550T (base: 1 GHz vs 2.2 GHz). The A4 Micro-6400T uses the Mullins (2014) architecture (28 nm), while the Celeron G550T uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the A4 Micro-6400T scores 1,082 against the Celeron G550T's 1,074 — a 0.7% lead for the A4 Micro-6400T. Geekbench 6 single-core — the metric most relevant to gaming — records 180 vs 366, a 68.1% lead for the Celeron G550T that directly translates to higher frame rates.

Feature	A4 Micro-6400T	Celeron G550T
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	1.6 GHz	2.2 GHz+38%
Base Clock	1 GHz	2.2 GHz+120%
L3 Cache	—	2 MB (total)
L2 Cache	2048 kB+700%	256 kB (per core)
Process	28 nm-13%	32 nm
Architecture	Mullins (2014)	Sandy Bridge (2011−2013)
PassMark	1,082	1,074
Geekbench 6 Single	180	366+103%
Geekbench 6 Multi	—	656

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Memory & Platform

The A4 Micro-6400T uses the FT3 socket (PCIe 3.0), while the Celeron G550T uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1333 on the A4 Micro-6400T versus DDR3-1066 on the Celeron G550T — the A4 Micro-6400T supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G550T supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Memory channels: 1 (A4 Micro-6400T) vs 2 (Celeron G550T). PCIe lanes: 8 (A4 Micro-6400T) vs 16 (Celeron G550T) — the Celeron G550T offers 8 more lanes for additional GPUs or NVMe drives.

Feature	A4 Micro-6400T	Celeron G550T
Socket	FT3	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3L-1333+25%	DDR3-1066
Max RAM Capacity	8 GB	32 GB+300%
RAM Channels	1	2+100%
ECC Support	No	No
PCIe Lanes	8	16+100%

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (A4 Micro-6400T) vs VT-x (Celeron G550T). Both include integrated graphics — Radeon R3 (A4 Micro-6400T) and HD Graphics (Sandy Bridge) (Celeron G550T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4 Micro-6400T targets Tablet, Celeron G550T targets Budget. Direct competitor: A4 Micro-6400T rivals Atom Z3770; Celeron G550T rivals Pentium G630T.