Pentium D 940 vs Pentium T3400

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.

Pentium D 940 vs Pentium T3400 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.

Pentium D 940 vs Pentium T3400: Pros, Cons & Final Verdict

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

Pentium D 940

2006

Why buy it

✅Better for gaming: +4.7% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $18 less on MSRP ($132 MSRP vs $150 MSRP).
✅Delivers 17.7% more PassMark for each dollar spent, at 6.6 vs 5.6 PassMark/$ ($132 MSRP vs $150 MSRP).

Trade-offs

❌271.4% higher power demand at 130W vs 35W.

Pentium T3400

2008

Why buy it

✅Draws 35W instead of 130W, a 95W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium D 940 across 50 shared CPU benchmark tests.
❌Lower PassMark (845 vs 875).
❌Lower PassMark per dollar, at 5.6 vs 6.6 PassMark/$ ($150 MSRP vs $132 MSRP).

Quick Answers

So, is Pentium D 940 better than Pentium T3400?

Yes. Pentium D 940 is the better all-around CPU here. It gives you a 4.7% average FPS lead across 50 shared CPU game tests in our data and 3.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium D 940 is the better pick. According to our tests, it delivers 4.7% 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, Pentium D 940 is the stronger fit. You are getting 3.6% better PassMark, backed by 2 cores and 2 threads.

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

Pentium D 940 is the better buy right now. Pentium D 940 comes in $18 cheaper on MSRP at $132 MSRP versus $150 MSRP, and it still gives you a 4.7% average FPS lead across 50 shared CPU game tests in our data. It is also 17.7% better value on MSRP (6.6 vs 5.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium T3400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2006). That makes it the safer long-term bet.

Pentium D 940 vs Pentium T3400 Technical Specifications

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

Pentium D 940

The Pentium D 940 is manufactured by Intel. It was released in 5 January 2006 (19 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 130 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 875 points. Launch price was $423.

Pentium T3400

The Pentium T3400 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 2.16 GHz. L3 cache: 1 MB L2 Cache. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 845 points. Launch price was $69.

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Processing Power

The Pentium D 940 is built on the NetBurst (2000−2006) architecture. In PassMark, the Pentium D 940 scores 875 against the Pentium T3400's 845 — a 3.5% lead for the Pentium D 940. L3 cache: 0 kB on the Pentium D 940 vs 1 MB L2 Cache on the Pentium T3400.

Feature	Pentium D 940	Pentium T3400
Cores / Threads	2 / 2	—
Boost Clock	3.2 GHz	—
Base Clock	3.2 GHz+48%	2.16 GHz
L3 Cache	0 kB	1 MB L2 Cache
L2 Cache	2 MB (total)	—
Process	65 nm	65 nm
Architecture	NetBurst (2000−2006)	—
PassMark	875+4%	845

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Memory & Platform

The Pentium D 940 uses the LGA775 socket (PCIe 1.1), while the Pentium T3400 uses PGA478 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Pentium D 940	Pentium T3400
Socket	LGA775	PGA478
PCIe Generation	PCIe 1.1	PCIe 2.0+82%

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Value Analysis

At launch, the Pentium D 940 was priced at $132, while the Pentium T3400 came in at $150. On launch pricing ($132 vs $150), Pentium D 940 was $18 cheaper. In terms of value on MSRP (PassMark points per dollar), the Pentium D 940 delivers 6.6 pts/$ vs 5.6 pts/$ for the Pentium T3400 — making the Pentium D 940 the 16.2% better value option.

Feature	Pentium D 940	Pentium T3400
MSRP	$132-12%	$150
Performance per Dollar	6.6+18%	5.6
Release Date	2006	2008

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