Core 2 Quad Q9300 vs Phenom II X4 905e

Intel

Core 2 Quad Q9300

4 Cores4 Thrd95 WWMax: 2.5 GHz2008
Similar parts
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VS
AMD

Phenom II X4 905e

4 Cores4 Thrd65 WWMax: 2.5 GHz2009
Similar parts
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Core 2 Quad Q9300 vs Phenom II X4 905e Performance Spectrum

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.

Core 2 Quad Q9300 vs Phenom II X4 905e 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.

Core 2 Quad Q9300 vs Phenom II X4 905e: Pros, Cons & Final Verdict

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

Core 2 Quad Q9300

2008

Why buy it

  • Better for gaming: +3.8% higher average FPS across 50 shared CPU benchmark tests.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark (2,011 vs 2,014).
  • Launch MSRP is still $266 MSRP, while Phenom II X4 905e mostly shows up through inconsistent older-market listings.
  • 46.2% higher power demand at 95W vs 65W.

Phenom II X4 905e

2009

Why buy it

  • +0.1% higher PassMark.
  • Draws 65W instead of 95W, a 30W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core 2 Quad Q9300 across 50 shared CPU benchmark tests.

Quick Answers

So, is Phenom II X4 905e better than Core 2 Quad Q9300?
It depends on what you want from the system. For gaming, Core 2 Quad Q9300 is ahead with a 3.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Phenom II X4 905e pulls ahead with 0.1% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Phenom II X4 905e is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Phenom II X4 905e is still the much better call for a fresh build. Phenom II X4 905e comes in at an unclear MSRP at unclear MSRP versus $266 MSRP, and it still gives you 0.1% better PassMark. Core 2 Quad Q9300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 100.0% better value on paper (7.6 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA775.
Which one is more future-proof for 2026 and beyond?
Phenom II X4 905e makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2008) and more multi-core headroom with 4 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Quad Q9300 vs Phenom II X4 905e Technical Specifications

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

Intel

Core 2 Quad Q9300

The Core 2 Quad Q9300 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 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 0 kB. 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: 2,011 points. Launch price was $249.

AMD

Phenom II X4 905e

The Phenom II X4 905e is manufactured by AMD. It was released in 2 June 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,014 points. Launch price was $212.

Processing Power

Both the Core 2 Quad Q9300 and Phenom II X4 905e share an identical 4-core/4-thread configuration. Boost clocks reach 2.5 GHz on the Core 2 Quad Q9300 versus 2.5 GHz on the Phenom II X4 905e — identical boost frequencies (base: 2.5 GHz vs 2.5 GHz). The Core 2 Quad Q9300 uses the Yorkfield (2007−2009) architecture (45 nm), while the Phenom II X4 905e uses Deneb (2009−2011) (45 nm). In PassMark, the Core 2 Quad Q9300 scores 2,011 against the Phenom II X4 905e's 2,014 — a 0.1% lead for the Phenom II X4 905e. L3 cache: 0 kB on the Core 2 Quad Q9300 vs 6 MB (total) on the Phenom II X4 905e.

FeatureCore 2 Quad Q9300Phenom II X4 905e
Cores / Threads
4 / 4
4 / 4
Boost Clock
2.5 GHz
2.5 GHz
Base Clock
2.5 GHz
2.5 GHz
L3 Cache
0 kB
6 MB (total)
L2 Cache
6 MB (total)+1100%
512 kB (per core)
Process
45 nm
45 nm
Architecture
Yorkfield (2007−2009)
Deneb (2009−2011)
PassMark
2,011
2,014
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Memory & Platform

The Core 2 Quad Q9300 uses the LGA775 socket (PCIe 1.1), while the Phenom II X4 905e uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore 2 Quad Q9300Phenom II X4 905e
Socket
LGA775
AM3
PCIe Generation
PCIe 1.1
PCIe 2.0+82%
Max RAM Speed
DDR3-1066
Max RAM Capacity
16 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16