Athlon II X3 425 vs Celeron G1820T

Athlon II X3 425 vs Celeron G1820T Performance Spectrum

Athlon II X3 425

3 / 3

1,595

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron G1820T

2 / 2

1,599

+0.3%

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 II X3 425 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 II X3 425 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 II X3 425

2009

Why buy it

Trade-offs

❌Lower PassMark (1,595 vs 1,599).
❌Launch MSRP is still $79 MSRP, while Celeron G1820T mostly shows up through inconsistent older-market listings.
❌75.9% higher power demand at 95W vs 54W.
❌No integrated graphics, while Celeron G1820T can still boot and troubleshoot without a discrete GPU.

Celeron G1820T

2013

Why buy it

✅+0.3% higher PassMark.
✅Draws 54W instead of 95W, a 41W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Haswell), while Athlon II X3 425 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 II X3 425?

It depends on what you want from the system. For gaming, Athlon II X3 425 is ahead with a 1.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron G1820T pulls ahead with 0.3% 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 0.3% 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 $79 MSRP, and it still gives you 0.3% better PassMark. Athlon II X3 425 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (20.2 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on AM3.

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 2009) and more multi-core headroom with 2 cores / 2 threads instead of 3/3. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon II X3 425 vs Celeron G1820T Technical Specifications

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

Athlon II X3 425

The Athlon II X3 425 is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,595 points. Launch price was $42.

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

The Athlon II X3 425 packs 3 cores / 3 threads, while the Celeron G1820T offers 2 cores / 2 threads — the Athlon II X3 425 has 1 more core. Boost clocks reach 2.7 GHz on the Athlon II X3 425 versus 2.4 GHz on the Celeron G1820T — a 11.8% clock advantage for the Athlon II X3 425 (base: 2.7 GHz vs 2.4 GHz). The Athlon II X3 425 uses the Rana (2009−2011) architecture (45 nm), while the Celeron G1820T uses Haswell (2013−2015) (22 nm). In PassMark, the Athlon II X3 425 scores 1,595 against the Celeron G1820T's 1,599 — a 0.3% lead for the Celeron G1820T. L3 cache: 0 kB on the Athlon II X3 425 vs 3 MB (total) on the Celeron G1820T.

Feature	Athlon II X3 425	Celeron G1820T
Cores / Threads	3 / 3+50%	2 / 2
Boost Clock	2.7 GHz+13%	2.4 GHz
Base Clock	2.7 GHz+13%	2.4 GHz
L3 Cache	0 kB	3 MB (total)
L2 Cache	512 kB (per core)+100%	256 kB (per core)
Process	45 nm	22 nm-51%
Architecture	Rana (2009−2011)	Haswell (2013−2015)
PassMark	1,595	1,599
Geekbench 6 Single	—	415
Geekbench 6 Multi	—	629

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Memory & Platform

The Athlon II X3 425 uses the AM3 socket (PCIe 2.0), while the Celeron G1820T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X3 425) vs 16 (Celeron G1820T) — the Celeron G1820T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM3 (Athlon II X3 425) and H81,B85,H87,Z87,H97,Z97 (Celeron G1820T).

Feature	Athlon II X3 425	Celeron G1820T
Socket	AM3	LGA1150
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	DDR3-1333
Max RAM Capacity	32 GB	32 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	0	16

🔧

Advanced Features

Virtualization: not specified (Athlon II X3 425) / VT-x (Celeron G1820T). The Celeron G1820T includes integrated graphics (HD Graphics (Haswell)), while the Athlon II X3 425 requires a dedicated GPU. Primary use case: Celeron G1820T targets Budget. Direct competitor: Celeron G1820T rivals Pentium G3220T.