Athlon 64 X2 5400+ vs Celeron G1820T

Athlon 64 X2 5400+ vs Celeron G1820T Performance Spectrum

Athlon 64 X2 5400+

2 / 2

1,585

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron G1820T

2 / 2

1,599

+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.

Athlon 64 X2 5400+ vs Celeron G1820T 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.

Athlon 64 X2 5400+ vs Celeron G1820T: Pros, Cons & Final Verdict

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

Athlon 64 X2 5400+

2006

Why buy it

Trade-offs

❌Lower PassMark (1,585 vs 1,599).
❌Launch MSRP is still $485 MSRP, while Celeron G1820T mostly shows up through inconsistent older-market listings.
❌64.8% higher power demand at 89W vs 54W.
❌No integrated graphics, while Celeron G1820T can still boot and troubleshoot without a discrete GPU.

Celeron G1820T

2013

Why buy it

✅+0.9% higher PassMark.
✅Draws 54W instead of 89W, a 35W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Haswell), while Athlon 64 X2 5400+ needs a discrete GPU.

Trade-offs

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

Quick Answers

So, is Celeron G1820T better than Athlon 64 X2 5400+?

It depends on what you want from the system. For gaming, Athlon 64 X2 5400+ is ahead with a 0.8% average FPS lead across 47 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron G1820T pulls ahead with 0.9% better PassMark.

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

For streaming, content creation, and heavier multitasking, Celeron G1820T is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 2 threads.

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

Celeron G1820T is still the much better call for a fresh build. Celeron G1820T comes in at an unclear MSRP at unclear MSRP versus $485 MSRP, and it still gives you 0.9% better PassMark. Athlon 64 X2 5400+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2006 platform. Even with 100.0% better value on paper (3.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on AM2.

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

Celeron G1820T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2006) and more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon 64 X2 5400+ vs Celeron G1820T Technical Specifications

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

Athlon 64 X2 5400+

The Athlon 64 X2 5400+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,585 points. Launch price was $149.

Celeron G1820T

The Celeron G1820T is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,599 points. Launch price was $42.

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Processing Power

Both the Athlon 64 X2 5400+ and Celeron G1820T share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Athlon 64 X2 5400+ versus 2.4 GHz on the Celeron G1820T — a 15.4% clock advantage for the Athlon 64 X2 5400+. The Athlon 64 X2 5400+ uses the Windsor (2006−2007) architecture (90 nm), while the Celeron G1820T uses Haswell (2013−2015) (22 nm). In PassMark, the Athlon 64 X2 5400+ scores 1,585 against the Celeron G1820T's 1,599 — a 0.9% lead for the Celeron G1820T. L3 cache: 0 kB on the Athlon 64 X2 5400+ vs 3 MB (total) on the Celeron G1820T.

Feature	Athlon 64 X2 5400+	Celeron G1820T
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.8 GHz+17%	2.4 GHz
Base Clock	—	2.4 GHz
L3 Cache	0 kB	3 MB (total)
L2 Cache	512 kB+100%	256 kB (per core)
Process	90 nm	22 nm-76%
Architecture	Windsor (2006−2007)	Haswell (2013−2015)
PassMark	1,585	1,599
Geekbench 6 Single	—	415
Geekbench 6 Multi	—	629

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Memory & Platform

The Athlon 64 X2 5400+ uses the AM2 socket (PCIe 1.1), while the Celeron G1820T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Athlon 64 X2 5400+ versus DDR3-1333 on the Celeron G1820T — the Celeron G1820T supports 66.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G1820T 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: 0 (Athlon 64 X2 5400+) vs 16 (Celeron G1820T) — the Celeron G1820T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM2 (Athlon 64 X2 5400+) and H81,B85,H87,Z87,H97,Z97 (Celeron G1820T).

Feature	Athlon 64 X2 5400+	Celeron G1820T
Socket	AM2	LGA1150
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-800	DDR3-1333+67%
Max RAM Capacity	16 GB	32 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	0	16

🔧

Advanced Features

Virtualization: not specified (Athlon 64 X2 5400+) / VT-x (Celeron G1820T). The Celeron G1820T includes integrated graphics (HD Graphics (Haswell)), while the Athlon 64 X2 5400+ requires a dedicated GPU. Primary use case: Celeron G1820T targets Budget. Direct competitor: Celeron G1820T rivals Pentium G3220T.