Celeron 6305 vs Core 2 Extreme X9100

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 6305 vs Core 2 Extreme X9100 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 6305 vs Core 2 Extreme X9100: Pros, Cons & Final Verdict

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

Celeron 6305

2020

Why buy it

✅Costs $744 less on MSRP ($107 MSRP vs $851 MSRP).
✅Delivers 700.7% more PassMark for each dollar spent, at 19.4 vs 2.4 PassMark/$ ($107 MSRP vs $851 MSRP).
✅Draws 3W instead of 44W, a 42W reduction.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics for 11th Gen, while Core 2 Extreme X9100 needs a discrete GPU.

Trade-offs

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

Core 2 Extreme X9100

2008

Why buy it

Trade-offs

❌Lower PassMark (2,063 vs 2,077).
❌Lower PassMark per dollar, at 2.4 vs 19.4 PassMark/$ ($851 MSRP vs $107 MSRP).
❌1660% higher power demand at 44W vs 2.5W.
❌No integrated graphics, while Celeron 6305 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Celeron 6305 better than Core 2 Extreme X9100?

Yes. Celeron 6305 is the better all-around CPU here. It gives you a 2.0% 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 6305 is the better pick. According to our tests, it delivers 2.0% 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 6305 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 6305 is the better buy right now. Celeron 6305 comes in $744 cheaper on MSRP at $107 MSRP versus $851 MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data. It is also 700.7% better value on MSRP (19.4 vs 2.4 PassMark/$), 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 6305 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2008) 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.

Celeron 6305 vs Core 2 Extreme X9100 Technical Specifications

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

Celeron 6305

The Celeron 6305 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tiger Lake-U (2020−2021) architecture. It features 2 cores and 2 threads. Max frequency: 1.8 GHz. L3 cache: 4 MB. L2 cache: 2.5 MB. Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 2.5 MB + 4 MB. Memory support: DDR4. Passmark benchmark score: 2,077 points. Launch price was $69.

Core 2 Extreme X9100

The Core 2 Extreme X9100 is manufactured by Intel. It was released in 1 July 2008 (17 years ago). It is based on the Penryn XE (2008) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,063 points. Launch price was $851.

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Processing Power

Both the Celeron 6305 and Core 2 Extreme X9100 share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Celeron 6305 versus 0.07 GHz on the Core 2 Extreme X9100 — a 185% clock advantage for the Celeron 6305. The Celeron 6305 uses the Tiger Lake-U (2020−2021) architecture (10 nm SuperFin), while the Core 2 Extreme X9100 uses Penryn XE (2008) (45 nm). In PassMark, the Celeron 6305 scores 2,077 against the Core 2 Extreme X9100's 2,063 — a 0.7% lead for the Celeron 6305. L3 cache: 4 MB on the Celeron 6305 vs 0 kB on the Core 2 Extreme X9100.

Feature	Celeron 6305	Core 2 Extreme X9100
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.8 GHz+2471%	0.07 GHz
Base Clock	—	3.06 GHz
L3 Cache	4 MB	0 kB
L2 Cache	2.5 MB	6 MB+140%
Process	10 nm SuperFin-78%	45 nm
Architecture	Tiger Lake-U (2020−2021)	Penryn XE (2008)
PassMark	2,077	2,063
Geekbench 6 Single	744	—
Geekbench 6 Multi	1,236	—

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Memory & Platform

The Celeron 6305 uses the FCBGA1449 socket (PCIe 4.0), while the Core 2 Extreme X9100 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Celeron 6305	Core 2 Extreme X9100
Socket	FCBGA1449	PGA478
PCIe Generation	PCIe 4.0+264%	PCIe 1.1
Max RAM Speed	DDR4-3200	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	4	—

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Advanced Features

Virtualization: VT-x, VT-d (Celeron 6305) / not specified (Core 2 Extreme X9100). The Celeron 6305 includes integrated graphics (UHD Graphics for 11th Gen), while the Core 2 Extreme X9100 requires a dedicated GPU. Primary use case: Celeron 6305 targets Budget. Direct competitor: Celeron 6305 rivals Pentium Gold 7505.

Feature	Celeron 6305	Core 2 Extreme X9100
Integrated GPU	Yes	—
IGPU Model	UHD Graphics for 11th Gen	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Budget	—

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Value Analysis

At launch, the Celeron 6305 was priced at $107, while the Core 2 Extreme X9100 came in at $851. On launch pricing ($107 vs $851), Celeron 6305 was $744 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 6305 delivers 19.4 pts/$ vs 2.4 pts/$ for the Core 2 Extreme X9100 — making the Celeron 6305 the 155.6% better value option.

Feature	Celeron 6305	Core 2 Extreme X9100
MSRP	$107-87%	$851
Performance per Dollar	19.4+708%	2.4
Release Date	2020	2008

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