Core i7-6600U vs Phenom II X6 1065T

Core i7-6600U vs Phenom II X6 1065T Performance Spectrum

Core i7-6600U

2 / 4

3,407

0.0%

3,412

+0.1%

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 i7-6600U 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 i7-6600U 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 i7-6600U

2015

Why buy it

✅Draws 15W instead of 125W, a 110W reduction.

Trade-offs

❌Lower PassMark (3,407 vs 3,412).
❌Smaller total L3 cache (4 MB vs 6 MB).

Phenom II X6 1065T

2010

Why buy it

✅+0.1% higher PassMark.
✅+50% larger total L3 cache (6 MB vs 4 MB).

Trade-offs

❌Launch MSRP is still $426 MSRP, while Core i7-6600U mostly shows up through inconsistent older-market listings.
❌733.3% higher power demand at 125W vs 15W.

Quick Answers

So, is Phenom II X6 1065T better than Core i7-6600U?

Yes. Phenom II X6 1065T is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data and 0.1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

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

For streaming, content creation, and heavier multitasking, Phenom II X6 1065T is the stronger fit. You are getting 0.1% better PassMark, backed by 6 cores and 6 threads. It also has the larger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).

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 $426 MSRP versus unclear MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (8.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i7-6600U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2010). That makes it the safer long-term bet.

Core i7-6600U vs Phenom II X6 1065T Technical Specifications

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

Core i7-6600U

The Core i7-6600U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,407 points. Launch price was $393.

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 i7-6600U packs 2 cores / 4 threads, while the Phenom II X6 1065T offers 6 cores / 6 threads — the Phenom II X6 1065T has 4 more cores. Boost clocks reach 3.4 GHz on the Core i7-6600U versus 3.4 GHz on the Phenom II X6 1065T — identical boost frequencies (base: 2.6 GHz vs 2.9 GHz). The Core i7-6600U uses the Skylake (2015−2016) architecture (14 nm), while the Phenom II X6 1065T uses Thuban (2010) (45 nm). In PassMark, the Core i7-6600U scores 3,407 against the Phenom II X6 1065T's 3,412 — a 0.1% lead for the Phenom II X6 1065T. L3 cache: 4 MB on the Core i7-6600U vs 6 MB (total) on the Phenom II X6 1065T.

Feature	Core i7-6600U	Phenom II X6 1065T
Cores / Threads	2 / 4	6 / 6+200%
Boost Clock	3.4 GHz	3.4 GHz
Base Clock	2.6 GHz	2.9 GHz+12%
L3 Cache	4 MB	6 MB (total)+50%
L2 Cache	512 kB	512 kB (per core)
Process	14 nm-69%	45 nm
Architecture	Skylake (2015−2016)	Thuban (2010)
PassMark	3,407	3,412

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Memory & Platform

The Core i7-6600U uses the BGA1356 socket (PCIe 3.0), while the Phenom II X6 1065T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.