Athlon II X3 445 vs Core 2 Quad Q9100

Athlon II X3 445 vs Core 2 Quad Q9100 Performance Spectrum

Athlon II X3 445

3 / 3

1,807

+0.1%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core 2 Quad Q9100

4 / 4

1,806

0.0%

Core 2 Duo E4700

Core i5-430M

Celeron 1020E

Pentium Dual Core T2370

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 445 vs Core 2 Quad Q9100 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 445 vs Core 2 Quad Q9100: 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 445

2010

Why buy it

Trade-offs

❌Lower PassMark per dollar, at 20.8 vs 129.0 PassMark/$ ($87 MSRP vs $14 MSRP).
❌691.7% higher power demand at 95W vs 12W.

Core 2 Quad Q9100

2008

Why buy it

✅Costs $73 less on MSRP ($14 MSRP vs $87 MSRP).
✅Delivers 521.1% more PassMark for each dollar spent, at 129.0 vs 20.8 PassMark/$ ($14 MSRP vs $87 MSRP).
✅Draws 12W instead of 95W, a 83W reduction.

Trade-offs

❌Lower PassMark (1,806 vs 1,807).

Quick Answers

So, is Athlon II X3 445 better than Core 2 Quad Q9100?

Yes. Athlon II X3 445 is the better all-around CPU here. It gives you 0.1% 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, Athlon II X3 445 has the edge because it leads the single-thread side of this matchup with 37.2% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Athlon II X3 445 is the stronger fit. You are getting 0.1% better PassMark, backed by 3 cores and 3 threads.

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

Athlon II X3 445 is still the much better call for a fresh build. Athlon II X3 445 comes in 521.4% more expensive on MSRP at $87 MSRP versus $14 MSRP, and it still gives you 0.1% higher PassMark. Core 2 Quad Q9100 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 521.1% better value on paper (129.0 vs 20.8 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on PGA478.

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

Athlon II X3 445 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and more multi-core headroom with 3 cores / 3 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon II X3 445 vs Core 2 Quad Q9100 Technical Specifications

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

Athlon II X3 445

The Athlon II X3 445 is manufactured by AMD. It was released in 11 May 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.1 GHz, with boost up to 3.1 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: 1,807 points. Launch price was $91.

Core 2 Quad Q9100

The Core 2 Quad Q9100 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.26 GHz, with boost up to 2.26 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 1,806 points. Launch price was $249.

⚡

Processing Power

The Athlon II X3 445 packs 3 cores / 3 threads, while the Core 2 Quad Q9100 offers 4 cores / 4 threads — the Core 2 Quad Q9100 has 1 more core. Boost clocks reach 3.1 GHz on the Athlon II X3 445 versus 2.26 GHz on the Core 2 Quad Q9100 — a 31.3% clock advantage for the Athlon II X3 445 (base: 3.1 GHz vs 2.26 GHz). The Athlon II X3 445 uses the Rana (2009−2011) architecture (45 nm), while the Core 2 Quad Q9100 uses Penryn (2008−2011) (45 nm). In PassMark, the Athlon II X3 445 scores 1,807 against the Core 2 Quad Q9100's 1,806 — a 0.1% lead for the Athlon II X3 445. Both processors carry 0 kB of L3 cache.

Feature	Athlon II X3 445	Core 2 Quad Q9100
Cores / Threads	3 / 3	4 / 4+33%
Boost Clock	3.1 GHz+37%	2.26 GHz
Base Clock	3.1 GHz+37%	2.26 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)	6 MB (total)+1100%
Process	45 nm	45 nm
Architecture	Rana (2009−2011)	Penryn (2008−2011)
PassMark	1,807	1,806

🧠

Memory & Platform

The Athlon II X3 445 uses the AM3 socket (PCIe 2.0), while the Core 2 Quad Q9100 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 445 versus DDR3-1066 on the Core 2 Quad Q9100 — the Athlon II X3 445 supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 445 supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes.

Feature	Athlon II X3 445	Core 2 Quad Q9100
Socket	AM3	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-1333+25%	DDR3-1066
Max RAM Capacity	32 GB+300%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	0

🔧

Advanced Features

Virtualization: not specified (Athlon II X3 445) / VT-x (Core 2 Quad Q9100). Primary use case: Core 2 Quad Q9100 targets Mobile.

Feature	Athlon II X3 445	Core 2 Quad Q9100
Integrated GPU	No	No
Unlocked	—	No
AVX-512	—	No
Virtualization	—	VT-x
Target Use	—	Mobile

💰

Value Analysis

At launch, the Athlon II X3 445 was priced at $87, while the Core 2 Quad Q9100 came in at $14. On launch pricing ($87 vs $14), Core 2 Quad Q9100 was $73 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X3 445 delivers 20.8 pts/$ vs 129.0 pts/$ for the Core 2 Quad Q9100 — making the Core 2 Quad Q9100 the 144.5% better value option.

Feature	Athlon II X3 445	Core 2 Quad Q9100
MSRP	$87	$14-84%
Performance per Dollar	20.8	129.0+520%
Release Date	2010	2008

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