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.

Celeron G5900T vs Core 2 Quad Q9505 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.

Celeron G5900T vs Core 2 Quad Q9505: Pros, Cons & Final Verdict

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

Celeron G5900T

2020

Why buy it

✅Costs $171 less on MSRP ($42 MSRP vs $213 MSRP).
✅Delivers 410.9% more PassMark for each dollar spent, at 52.2 vs 10.2 PassMark/$ ($42 MSRP vs $213 MSRP).
✅Draws 35W instead of 95W, a 60W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 610, while Core 2 Quad Q9505 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (2 MB vs 6 MB).

Core 2 Quad Q9505

2009

Why buy it

✅+200% larger total L3 cache (6 MB vs 2 MB).

Trade-offs

❌Lower PassMark (2,176 vs 2,192).
❌Lower PassMark per dollar, at 10.2 vs 52.2 PassMark/$ ($213 MSRP vs $42 MSRP).
❌171.4% higher power demand at 95W vs 35W.
❌No integrated graphics, while Celeron G5900T can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Celeron G5900T better than Core 2 Quad Q9505?

Yes. Celeron G5900T is the better all-around CPU here. It gives you a 1.4% average FPS lead across 50 shared CPU game tests in our data, 0.7% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Celeron G5900T is the better pick. According to our tests, it delivers 1.4% 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, Celeron G5900T is the stronger fit. You are getting 0.7% better PassMark, backed by 2 cores and 2 threads.

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

Celeron G5900T is the better buy right now. Celeron G5900T comes in $171 cheaper on MSRP at $42 MSRP versus $213 MSRP, and it still gives you a 1.4% average FPS lead across 50 shared CPU game tests in our data. It is also 410.9% better value on MSRP (52.2 vs 10.2 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron G5900T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2009) and more multi-core headroom with 2 cores / 2 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron G5900T vs Core 2 Quad Q9505 Technical Specifications

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

Celeron G5900T

The Celeron G5900T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 3.2 GHz. L3 cache: 2 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 2,192 points. Launch price was $69.

Core 2 Quad Q9505

The Core 2 Quad Q9505 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 2.83 GHz, with boost up to 0.83 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,176 points. Launch price was $249.

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Processing Power

The Celeron G5900T packs 2 cores / 2 threads, while the Core 2 Quad Q9505 offers 4 cores / 4 threads — the Core 2 Quad Q9505 has 2 more cores. The Core 2 Quad Q9505 is built on the Yorkfield (2007−2009) architecture. In PassMark, the Celeron G5900T scores 2,192 against the Core 2 Quad Q9505's 2,176 — a 0.7% lead for the Celeron G5900T. L3 cache: 2 MB Intel® Smart Cache on the Celeron G5900T vs 6 MB L2 Cache on the Core 2 Quad Q9505.

Feature	Celeron G5900T	Core 2 Quad Q9505
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	—	0.83 GHz
Base Clock	3.2 GHz+13%	2.83 GHz
L3 Cache	2 MB Intel® Smart Cache	6 MB L2 Cache+200%
L2 Cache	—	6 MB (total)
Process	14 nm-69%	45 nm
Architecture	—	Yorkfield (2007−2009)
PassMark	2,192	2,176
Geekbench 6 Single	748	—
Geekbench 6 Multi	750	—

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Memory & Platform

The Celeron G5900T uses the LGA1200 socket (PCIe 3.0), while the Core 2 Quad Q9505 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Celeron G5900T versus DDR3-1333 on the Core 2 Quad Q9505 — the Celeron G5900T supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G5900T supports up to 128 GB of RAM compared to 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G5900T) vs 0 (Core 2 Quad Q9505) — the Celeron G5900T offers 16 more lanes for additional GPUs or NVMe drives.

Feature	Celeron G5900T	Core 2 Quad Q9505
Socket	LGA1200	LGA775
PCIe Generation	PCIe 3.0+173%	PCIe 1.1
Max RAM Speed	DDR4-2666+100%	DDR3-1333
Max RAM Capacity	128 GB+700%	16 GB
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	16	0

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Advanced Features

Neither processor supports overclocking. Both support VT-x virtualization. The Celeron G5900T includes integrated graphics (UHD Graphics 610), while the Core 2 Quad Q9505 requires a dedicated GPU. Primary use case: Celeron G5900T targets Budget, Core 2 Quad Q9505 targets Desktop. Direct competitor: Celeron G5900T rivals Pentium Gold G6400T.

Feature	Celeron G5900T	Core 2 Quad Q9505
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 610	—
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x	VT-x
Target Use	Budget	Desktop

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Value Analysis

At launch, the Celeron G5900T was priced at $42, while the Core 2 Quad Q9505 came in at $213. On launch pricing ($42 vs $213), Celeron G5900T was $171 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron G5900T delivers 52.2 pts/$ vs 10.2 pts/$ for the Core 2 Quad Q9505 — making the Celeron G5900T the 134.5% better value option.

Feature	Celeron G5900T	Core 2 Quad Q9505
MSRP	$42-80%	$213
Performance per Dollar	52.2+412%	10.2
Release Date	2020	2009

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