A6-5400K vs Celeron 1020M

A6-5400K vs Celeron 1020M Performance Spectrum

A6-5400K

2 / 2

1,279

+0.3%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron 1020M

2 / 2

1,275

0.0%

Celeron N3000

Pentium T3400

Pentium Dual-Core E2200

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.

A6-5400K vs Celeron 1020M 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.

A6-5400K vs Celeron 1020M: Pros, Cons & Final Verdict

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

A6-5400K

2012

Why buy it

✅Draws 65W instead of 512W, a 447W reduction.
✅Includes a boxed cooler (Yes), unlike Celeron 1020M.

Trade-offs

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

Celeron 1020M

2013

Why buy it

Trade-offs

❌Lower PassMark (1,275 vs 1,279).
❌687.7% higher power demand at 512W vs 65W.
❌No boxed cooler included, unlike A6-5400K.

Quick Answers

So, is A6-5400K better than Celeron 1020M?

Yes. A6-5400K is the better all-around CPU here. It gives you a 2.3% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, A6-5400K is the better pick. According to our tests, it delivers 2.3% 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, A6-5400K is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.

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

A6-5400K still makes the most sense overall. A6-5400K comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.3% average FPS lead across 50 shared CPU game tests in our data.

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

Celeron 1020M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2012). That makes it the safer long-term bet.

A6-5400K vs Celeron 1020M Technical Specifications

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

A6-5400K

The A6-5400K is manufactured by AMD. It was released in 2014-01-01. It is based on the Trinity (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3.6 GHz, with boost up to 3.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,279 points. Launch price was $70.

Celeron 1020M

The Celeron 1020M is manufactured by Intel. It was released in 20 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,275 points. Launch price was $86.

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Processing Power

Both the A6-5400K and Celeron 1020M share an identical 2-core/2-thread configuration. Boost clocks reach 3.8 GHz on the A6-5400K versus 2.1 GHz on the Celeron 1020M — a 57.6% clock advantage for the A6-5400K (base: 3.6 GHz vs 2.1 GHz). The A6-5400K uses the Trinity (2012−2013) architecture (32 nm), while the Celeron 1020M uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the A6-5400K scores 1,279 against the Celeron 1020M's 1,275 — a 0.3% lead for the A6-5400K. L3 cache: 0 kB on the A6-5400K vs 2 MB (total) on the Celeron 1020M.

Feature	A6-5400K	Celeron 1020M
Cores / Threads	2 / 2	2 / 2
Boost Clock	3.8 GHz+81%	2.1 GHz
Base Clock	3.6 GHz+71%	2.1 GHz
L3 Cache	0 kB	2 MB (total)
L2 Cache	1 MB (per core)	256K (per core)+25500%
Process	32 nm	22 nm-31%
Architecture	Trinity (2012−2013)	Ivy Bridge (2012−2013)
PassMark	1,279	1,275
Geekbench 6 Single	390	—

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Memory & Platform

The A6-5400K uses the FM2 socket (PCIe 2.0), while the Celeron 1020M uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the A6-5400K versus DDR3-1600 on the Celeron 1020M — the A6-5400K supports 16.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: A55,A75,A85X,A88X (A6-5400K) and HM77,HM76,HM75 (Celeron 1020M).

Feature	A6-5400K	Celeron 1020M
Socket	FM2	PGA988
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1866+17%	DDR3-1600
Max RAM Capacity	32 GB	32 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Only the A6-5400K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (A6-5400K) vs VT-x (Celeron 1020M). Both include integrated graphics — Radeon HD 7540D (A6-5400K) and HD Graphics (Ivy Bridge) (Celeron 1020M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A6-5400K targets Budget Desktop, Celeron 1020M targets Budget. Direct competitor: A6-5400K rivals Pentium G2120; Celeron 1020M rivals Pentium 2020M.