Core 2 Duo T5670 vs Phenom II X6 1065T

Core 2 Duo T5670 vs Phenom II X6 1065T Performance Spectrum

Core 2 Duo T5670

2 / 2

3,440

+0.8%

3,412

0.0%

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 T5670 vs Phenom II X6 1065T 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 T5670 vs Phenom II X6 1065T: 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 T5670

2008

Why buy it

✅+0.8% higher PassMark.
✅Draws 2W instead of 125W, a 123W reduction.

Trade-offs

❌Smaller total L3 cache (2 MB vs 6 MB).

Phenom II X6 1065T

2010

Why buy it

✅+200% larger total L3 cache (6 MB vs 2 MB).

Trade-offs

❌Lower PassMark (3,412 vs 3,440).
❌Launch MSRP is still $426 MSRP, while Core 2 Duo T5670 mostly shows up through inconsistent older-market listings.
❌6150% higher power demand at 125W vs 2W.

Quick Answers

So, is Phenom II X6 1065T better than Core 2 Duo T5670?

It depends on what you want from the system. For gaming, Phenom II X6 1065T is ahead with a 2.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo T5670 pulls ahead with 0.8% better PassMark. Phenom II X6 1065T also has the bigger cache pool with 200% larger total L3 cache (6 MB vs 2 MB).

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

For streaming, content creation, and heavier multitasking, Core 2 Duo T5670 is the stronger fit. You are getting 0.8% better PassMark, backed by 2 cores and 2 threads.

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

Phenom II X6 1065T is the better buy right now. Phenom II X6 1065T comes in at an unclear MSRP at $426 MSRP versus unclear MSRP, and it still gives you a 2.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core 2 Duo T5670 is still stronger for heavier multi-core work with 0.8% better PassMark. It is also 100.0% better value on MSRP (8.0 vs 0.0 PassMark/$), 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 X6 1065T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and 200% larger total L3 cache (6 MB vs 2 MB). That makes it the safer long-term bet.

Core 2 Duo T5670 vs Phenom II X6 1065T Technical Specifications

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

Core 2 Duo T5670

The Core 2 Duo T5670 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom-2M (2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 3,440 points. Launch price was $249.

Phenom II X6 1065T

The Phenom II X6 1065T is manufactured by AMD. It was released in 2009-01-01. It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.9 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 3,412 points. Launch price was $149.

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Processing Power

The Core 2 Duo T5670 packs 2 cores / 2 threads, while the Phenom II X6 1065T offers 6 cores / 6 threads — the Phenom II X6 1065T has 4 more cores. Boost clocks reach 1.8 GHz on the Core 2 Duo T5670 versus 3.4 GHz on the Phenom II X6 1065T — a 61.5% clock advantage for the Phenom II X6 1065T (base: 1.8 GHz vs 2.9 GHz). The Core 2 Duo T5670 uses the Merom-2M (2008) architecture (65 nm), while the Phenom II X6 1065T uses Thuban (2010) (45 nm). In PassMark, the Core 2 Duo T5670 scores 3,440 against the Phenom II X6 1065T's 3,412 — a 0.8% lead for the Core 2 Duo T5670. L3 cache: 2 MB L2 Cache on the Core 2 Duo T5670 vs 6 MB (total) on the Phenom II X6 1065T.

Feature	Core 2 Duo T5670	Phenom II X6 1065T
Cores / Threads	2 / 2	6 / 6+200%
Boost Clock	1.8 GHz	3.4 GHz+89%
Base Clock	1.8 GHz	2.9 GHz+61%
L3 Cache	2 MB L2 Cache	6 MB (total)+200%
L2 Cache	2 MB+300%	512 kB (per core)
Process	65 nm	45 nm-31%
Architecture	Merom-2M (2008)	Thuban (2010)
PassMark	3,440	3,412