Core 2 Duo SU9400 vs Phenom X4 9600

Core 2 Duo SU9400 vs Phenom X4 9600 Performance Spectrum

Core 2 Duo SU9400

2 / 2

1,596

0.0%

1,607

+0.7%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 Duo SU9400 vs Phenom X4 9600 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 Duo SU9400 vs Phenom X4 9600: 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 Duo SU9400

2008

Why buy it

✅+50% larger total L3 cache (3 MB vs 2 MB).
✅Draws 3W instead of 95W, a 92W reduction.

Trade-offs

❌Lower PassMark (1,596 vs 1,607).

Phenom X4 9600

2007

Why buy it

Trade-offs

❌Smaller total L3 cache (2 MB vs 3 MB).
❌3066.7% higher power demand at 95W vs 3W.

Quick Answers

So, is Phenom X4 9600 better than Core 2 Duo SU9400?

Yes. Phenom X4 9600 is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data and 0.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Phenom X4 9600 is the better pick. According to our tests, it delivers 0.1% 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, Phenom X4 9600 is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 4 threads.

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

Phenom X4 9600 still makes the most sense overall. Phenom X4 9600 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data.

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

Core 2 Duo SU9400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2007) and 50% larger total L3 cache (3 MB vs 2 MB). That makes it the safer long-term bet.

Core 2 Duo SU9400 vs Phenom X4 9600 Technical Specifications

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

Core 2 Duo SU9400

The Core 2 Duo SU9400 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,596 points. Launch price was $262.

Phenom X4 9600

The Phenom X4 9600 is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.3 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,607 points. Launch price was $149.

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Processing Power

The Core 2 Duo SU9400 packs 2 cores / 2 threads, while the Phenom X4 9600 offers 4 cores / 4 threads — the Phenom X4 9600 has 2 more cores. Boost clocks reach 1.4 GHz on the Core 2 Duo SU9400 versus 2.3 GHz on the Phenom X4 9600 — a 48.6% clock advantage for the Phenom X4 9600. The Core 2 Duo SU9400 uses the Penryn (2008−2011) architecture (45 nm), while the Phenom X4 9600 uses Agena (2007−2008) (65 nm). In PassMark, the Core 2 Duo SU9400 scores 1,596 against the Phenom X4 9600's 1,607 — a 0.7% lead for the Phenom X4 9600. L3 cache: 3 MB L2 Cache on the Core 2 Duo SU9400 vs 2 MB (total) on the Phenom X4 9600.

Feature	Core 2 Duo SU9400	Phenom X4 9600
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	1.4 GHz	2.3 GHz+64%
Base Clock	1.4 GHz	—
L3 Cache	3 MB L2 Cache+50%	2 MB (total)
L2 Cache	3 MB+500%	512 kB (per core)
Process	45 nm-31%	65 nm
Architecture	Penryn (2008−2011)	Agena (2007−2008)
PassMark	1,596	1,607

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Memory & Platform

The Core 2 Duo SU9400 uses the BGA956 socket (PCIe 1.1), while the Phenom X4 9600 uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.