Core 2 Duo SU9400 vs Core i5-3339Y

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 Core i5-3339Y 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 Core i5-3339Y: 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

✅+0.4% higher PassMark.
✅Draws 3W instead of 512W, a 509W reduction.

Trade-offs

❌No integrated graphics, while Core i5-3339Y can still boot and troubleshoot without a discrete GPU.

Core i5-3339Y

2013

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 4000, while Core 2 Duo SU9400 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,589 vs 1,596).
❌16966.7% higher power demand at 512W vs 3W.

Quick Answers

So, is Core 2 Duo SU9400 better than Core i5-3339Y?

It depends on what you want from the system. For gaming, Core i5-3339Y is ahead with a 0.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo SU9400 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo SU9400 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo SU9400 still makes the most sense overall. Core 2 Duo SU9400 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark.

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

Core i5-3339Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2008). That makes it the safer long-term bet.

Core 2 Duo SU9400 vs Core i5-3339Y 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.

Core i5-3339Y

The Core i5-3339Y is manufactured by Intel. It was released in 8 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 13 Watt. Memory support: DDR3. Passmark benchmark score: 1,589 points. Launch price was $250.

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Processing Power

The Core 2 Duo SU9400 packs 2 cores / 2 threads, matching the Core i5-3339Y's 2 cores. Boost clocks reach 1.4 GHz on the Core 2 Duo SU9400 versus 2 GHz on the Core i5-3339Y — a 35.3% clock advantage for the Core i5-3339Y (base: 1.4 GHz vs 1.5 GHz). The Core 2 Duo SU9400 uses the Penryn (2008−2011) architecture (45 nm), while the Core i5-3339Y uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core 2 Duo SU9400 scores 1,596 against the Core i5-3339Y's 1,589 — a 0.4% lead for the Core 2 Duo SU9400. L3 cache: 3 MB L2 Cache on the Core 2 Duo SU9400 vs 3 MB (total) on the Core i5-3339Y.

Feature	Core 2 Duo SU9400	Core i5-3339Y
Cores / Threads	2 / 2	2 / 4
Boost Clock	1.4 GHz	2 GHz+43%
Base Clock	1.4 GHz	1.5 GHz+7%
L3 Cache	3 MB L2 Cache	3 MB (total)
L2 Cache	3 MB	256K (per core)+8433%
Process	45 nm	22 nm-51%
Architecture	Penryn (2008−2011)	Ivy Bridge (2012−2013)
PassMark	1,596	1,589
Geekbench 6 Single	—	368
Geekbench 6 Multi	—	707

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Memory & Platform

The Core 2 Duo SU9400 uses the BGA956 socket (PCIe 1.1), while the Core i5-3339Y uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo SU9400	Core i5-3339Y
Socket	BGA956	BGA1023
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	—	1600
Max RAM Capacity	—	32
RAM Channels	—	2
ECC Support	—	No
PCIe Lanes	—	16

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Advanced Features

Virtualization: not specified (Core 2 Duo SU9400) / true (Core i5-3339Y). The Core i5-3339Y includes integrated graphics (Intel HD Graphics 4000), while the Core 2 Duo SU9400 requires a dedicated GPU. Direct competitor: Core i5-3339Y rivals AMD A8-4555M.