Core 2 Duo T5900 vs Phenom II X4 910e

Core 2 Duo T5900 vs Phenom II X4 910e Performance Spectrum

Core 2 Duo T5900

2 / 2

2,123

0.0%

2,148

+1.2%

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.

Core 2 Duo T5900 vs Phenom II X4 910e 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 T5900 vs Phenom II X4 910e: 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 T5900

2008

Why buy it

✅Draws 2W instead of 65W, a 63W reduction.

Trade-offs

❌Lower PassMark (2,123 vs 2,148).

Phenom II X4 910e

2010

Why buy it

Trade-offs

❌Launch MSRP is still $157 MSRP, while Core 2 Duo T5900 mostly shows up through inconsistent older-market listings.
❌3150% higher power demand at 65W vs 2W.

Quick Answers

So, is Phenom II X4 910e better than Core 2 Duo T5900?

Yes. Phenom II X4 910e is the better all-around CPU here. It gives you a 0.6% average FPS lead across 21 shared CPU game tests in our data, 1.2% 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 X4 910e is the better pick. According to our tests, it delivers 0.6% more average FPS across 21 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Phenom II X4 910e is the stronger fit. You are getting 1.2% better PassMark, backed by 4 cores and 4 threads.

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

Phenom II X4 910e is the better buy right now. Phenom II X4 910e comes in at an unclear MSRP at $157 MSRP versus unclear MSRP, and it still gives you a 0.6% average FPS lead across 21 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Phenom II X4 910e makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo T5900 vs Phenom II X4 910e Technical Specifications

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

Core 2 Duo T5900

The Core 2 Duo T5900 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L2 cache: 2 MB. Built on 65 nm process technology. Socket: P. Thermal design power (TDP): 2 MB. Passmark benchmark score: 2,123 points. Launch price was $249.

Phenom II X4 910e

The Phenom II X4 910e is manufactured by AMD. It was released in 25 January 2010 (15 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,148 points. Launch price was $157.

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Processing Power

The Core 2 Duo T5900 packs 2 cores / 2 threads, while the Phenom II X4 910e offers 4 cores / 4 threads — the Phenom II X4 910e has 2 more cores. Boost clocks reach 2.2 GHz on the Core 2 Duo T5900 versus 2.6 GHz on the Phenom II X4 910e — a 16.7% clock advantage for the Phenom II X4 910e. The Core 2 Duo T5900 uses the Merom (2006−2008) architecture (65 nm), while the Phenom II X4 910e uses Deneb (2009−2011) (45 nm). In PassMark, the Core 2 Duo T5900 scores 2,123 against the Phenom II X4 910e's 2,148 — a 1.2% lead for the Phenom II X4 910e.

Feature	Core 2 Duo T5900	Phenom II X4 910e
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	2.2 GHz	2.6 GHz+18%
Base Clock	—	2.6 GHz
L3 Cache	—	6 MB (total)
L2 Cache	2 MB+300%	512 kB (per core)
Process	65 nm	45 nm-31%
Architecture	Merom (2006−2008)	Deneb (2009−2011)
PassMark	2,123	2,148+1%

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Memory & Platform

The Core 2 Duo T5900 uses the P socket (PCIe 1.1), while the Phenom II X4 910e uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.