Pentium Dual Core T4300 vs Xeon 5140

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 T4300 vs Xeon 5140 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 T4300 vs Xeon 5140: 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 T4300

2009

Why buy it

✅Draws 35W instead of 65W, a 30W reduction.

Trade-offs

❌Lower PassMark (1,232 vs 1,235).
❌Launch MSRP is still $150 MSRP, while Xeon 5140 mostly shows up through inconsistent older-market listings.

Xeon 5140

2006

Why buy it

Trade-offs

❌85.7% higher power demand at 65W vs 35W.

Quick Answers

So, is Xeon 5140 better than Pentium Dual Core T4300?

Not really, because they are built for different jobs. Xeon 5140 makes more sense for workstation-style multi-core throughput, while Pentium Dual Core T4300 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon 5140 has the edge because it leads the single-thread side of this matchup with 11% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Xeon 5140 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Xeon 5140 is still the much better call for a fresh build. Xeon 5140 comes in at an unclear MSRP at unclear MSRP versus $150 MSRP, and it still gives you 0.2% higher PassMark. Pentium Dual Core T4300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (8.2 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on P.

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

Pentium Dual Core T4300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2006). That makes it the safer long-term bet.

Pentium Dual Core T4300 vs Xeon 5140 Technical Specifications

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

Pentium Dual Core T4300

The Pentium Dual Core T4300 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. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,232 points. Launch price was $69.

Xeon 5140

The Xeon 5140 is manufactured by Intel. It was released in Junho 2006 (19 years ago). It is based on the Woodcrest (2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.33 GHz, with boost up to 2.33 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 65 Watt. Memory support: DDR2. Passmark benchmark score: 1,235 points. Launch price was $15.

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Processing Power

Both the Pentium Dual Core T4300 and Xeon 5140 share an identical 2-core/2-thread configuration. Boost clocks reach 2.1 GHz on the Pentium Dual Core T4300 versus 2.33 GHz on the Xeon 5140 — a 10.4% clock advantage for the Xeon 5140 (base: 2.1 GHz vs 2.33 GHz). The Pentium Dual Core T4300 uses the NetBurst (2000−2006) architecture (45 nm), while the Xeon 5140 uses Woodcrest (2006) (65 nm). In PassMark, the Pentium Dual Core T4300 scores 1,232 against the Xeon 5140's 1,235 — a 0.2% lead for the Xeon 5140. Both processors carry 0 kB of L3 cache.

Feature	Pentium Dual Core T4300	Xeon 5140
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.1 GHz	2.33 GHz+11%
Base Clock	2.1 GHz	2.33 GHz+11%
L3 Cache	0 kB	0 kB
L2 Cache	1 MB	4 MB+300%
Process	45 nm-31%	65 nm
Architecture	NetBurst (2000−2006)	Woodcrest (2006)
PassMark	1,232	1,235

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Memory & Platform

The Pentium Dual Core T4300 uses the P socket (PCIe 1.1), while the Xeon 5140 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Pentium Dual Core T4300	Xeon 5140
Socket	P	LGA771
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR3-800	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: No VT-x (Pentium Dual Core T4300) / not specified (Xeon 5140). Primary use case: Pentium Dual Core T4300 targets Mobile.