Pentium Dual-Core E2140 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 Dual-Core E2140 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 Dual-Core E2140 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 Dual-Core E2140

2007

Why buy it

✅Costs $76 less on MSRP ($74 MSRP vs $150 MSRP).
✅Delivers 95.5% more PassMark for each dollar spent, at 11.0 vs 5.6 PassMark/$ ($74 MSRP vs $150 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Pentium T3400 across 50 shared CPU benchmark tests.
❌Lower PassMark (815 vs 845).
❌85.7% higher power demand at 65W vs 35W.

Pentium T3400

2008

Why buy it

✅Better for gaming: +5.0% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 65W, a 30W reduction.

Trade-offs

❌Lower PassMark per dollar, at 5.6 vs 11.0 PassMark/$ ($150 MSRP vs $74 MSRP).

Quick Answers

So, is Pentium T3400 better than Pentium Dual-Core E2140?

Yes. Pentium T3400 is the better all-around CPU here. It gives you a 5.0% average FPS lead across 50 shared CPU game tests in our data, 3.7% 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, Pentium T3400 is the better pick. According to our tests, it delivers 5.0% 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 T3400 is the stronger fit. You are getting 3.7% better PassMark.

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

Pentium T3400 is still the much better call for a fresh build. Pentium T3400 comes in 102.7% more expensive on MSRP at $150 MSRP versus $74 MSRP, and it still gives you a 5.0% average FPS lead across 50 shared CPU game tests in our data. Pentium Dual-Core E2140 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2007 platform. Even with 95.5% better value on paper (11.0 vs 5.6 PassMark/$), 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?

Pentium T3400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2007). That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium Dual-Core E2140 vs Pentium T3400 Technical Specifications

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

Pentium Dual-Core E2140

The Pentium Dual-Core E2140 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 815 points. Launch price was $69.

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 Dual-Core E2140 is built on the NetBurst (2000−2006) architecture. In PassMark, the Pentium Dual-Core E2140 scores 815 against the Pentium T3400's 845 — a 3.6% lead for the Pentium T3400. L3 cache: 0 kB on the Pentium Dual-Core E2140 vs 1 MB L2 Cache on the Pentium T3400.

Feature	Pentium Dual-Core E2140	Pentium T3400
Cores / Threads	2 / 2	—
Boost Clock	1.6 GHz	—
Base Clock	—	2.16 GHz
L3 Cache	0 kB	1 MB L2 Cache
L2 Cache	1 MB (total)	—
Process	65 nm	65 nm
Architecture	NetBurst (2000−2006)	—
PassMark	815	845+4%

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Memory & Platform

The Pentium Dual-Core E2140 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 Dual-Core E2140	Pentium T3400
Socket	LGA775	PGA478
PCIe Generation	PCIe 1.1	PCIe 2.0+82%

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Value Analysis

At launch, the Pentium Dual-Core E2140 was priced at $74, while the Pentium T3400 came in at $150. On launch pricing ($74 vs $150), Pentium Dual-Core E2140 was $76 cheaper. In terms of value on MSRP (PassMark points per dollar), the Pentium Dual-Core E2140 delivers 11.0 pts/$ vs 5.6 pts/$ for the Pentium T3400 — making the Pentium Dual-Core E2140 the 64.6% better value option.

Feature	Pentium Dual-Core E2140	Pentium T3400
MSRP	$74-51%	$150
Performance per Dollar	11.0+96%	5.6
Release Date	2007	2008

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