Pentium Dual Core T4300 vs Phenom II X2 545

Pentium Dual Core T4300 vs Phenom II X2 545 Performance Spectrum

Pentium Dual Core T4300

2 / 2

1,232

0.0%

1,233

+0.1%

Ryzen Threadripper PRO 3955WX

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.

Pentium Dual Core T4300 vs Phenom II X2 545 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 Phenom II X2 545: 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 80W, a 45W reduction.

Trade-offs

❌Lower PassMark (1,232 vs 1,233).
❌Launch MSRP is still $150 MSRP, while Phenom II X2 545 mostly shows up through inconsistent older-market listings.

Phenom II X2 545

2009

Why buy it

Trade-offs

❌128.6% higher power demand at 80W vs 35W.

Quick Answers

So, is Phenom II X2 545 better than Pentium Dual Core T4300?

Yes. Phenom II X2 545 is the better all-around CPU here. It gives you a 1.9% average FPS lead across 50 shared CPU game tests in our data, 0.1% 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, Phenom II X2 545 is the better pick. According to our tests, it delivers 1.9% 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 II X2 545 is the stronger fit. You are getting 0.1% better PassMark, backed by 2 cores and 2 threads.

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

Phenom II X2 545 is still the much better call for a fresh build. Phenom II X2 545 comes in at an unclear MSRP at unclear MSRP versus $150 MSRP, and it still gives you a 1.9% average FPS lead across 50 shared CPU game tests in our data. Pentium Dual Core T4300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (8.2 vs 0.0 PassMark/$), 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?

Phenom II X2 545 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium Dual Core T4300 vs Phenom II X2 545 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.

Phenom II X2 545

The Phenom II X2 545 is manufactured by AMD. It was released in 1 June 2009 (16 years ago). It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 6 MB (per core). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,233 points. Launch price was $50.

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Processing Power

Both the Pentium Dual Core T4300 and Phenom II X2 545 share an identical 2-core/2-thread configuration. Boost clocks reach 2.1 GHz on the Pentium Dual Core T4300 versus 3 GHz on the Phenom II X2 545 — a 35.3% clock advantage for the Phenom II X2 545 (base: 2.1 GHz vs 3 GHz). The Pentium Dual Core T4300 uses the NetBurst (2000−2006) architecture (45 nm), while the Phenom II X2 545 uses Callisto (2009−2010) (45 nm). In PassMark, the Pentium Dual Core T4300 scores 1,232 against the Phenom II X2 545's 1,233 — a 0.1% lead for the Phenom II X2 545. L3 cache: 0 kB on the Pentium Dual Core T4300 vs 6 MB (per core) on the Phenom II X2 545.

Feature	Pentium Dual Core T4300	Phenom II X2 545
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.1 GHz	3 GHz+43%
Base Clock	2.1 GHz	3 GHz+43%
L3 Cache	0 kB	6 MB (per core)
L2 Cache	1 MB+100%	512 kB (per core)
Process	45 nm	45 nm
Architecture	NetBurst (2000−2006)	Callisto (2009−2010)
PassMark	1,232	1,233

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Memory & Platform

The Pentium Dual Core T4300 uses the P socket (PCIe 1.1), while the Phenom II X2 545 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Pentium Dual Core T4300	Phenom II X2 545
Socket	P	AM3
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 (Phenom II X2 545). Primary use case: Pentium Dual Core T4300 targets Mobile.