Core i5-4340M vs Phenom II X6 1065T

Core i5-4340M vs Phenom II X6 1065T Performance Spectrum

Core i5-4340M

2 / 4

3,380

0.0%

3,412

+0.9%

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 i5-4340M 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 i5-4340M 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 i5-4340M

2014

Why buy it

Trade-offs

❌Lower PassMark (3,380 vs 3,412).
❌Smaller total L3 cache (3 MB vs 6 MB).
❌309.6% higher power demand at 512W vs 125W.

Phenom II X6 1065T

2010

Why buy it

✅+0.9% higher PassMark.
✅+100% larger total L3 cache (6 MB vs 3 MB).
✅Draws 125W instead of 512W, a 387W reduction.

Trade-offs

❌Launch MSRP is still $426 MSRP, while Core i5-4340M mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Phenom II X6 1065T better than Core i5-4340M?

It depends on what you want from the system. For gaming, Core i5-4340M is ahead with a 0.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Phenom II X6 1065T pulls ahead with 0.9% better PassMark. Phenom II X6 1065T also has the bigger cache pool with 100% larger total L3 cache (6 MB vs 3 MB).

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 0.9% better PassMark, backed by 6 cores and 6 threads. It also has the larger cache pool with 100% larger total L3 cache (6 MB vs 3 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 $426 MSRP versus unclear MSRP, and it still gives you 0.9% better PassMark. The compromise is that Core i5-4340M is still the better pure gaming CPU with a 0.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (8.0 vs 0.0 PassMark/$), 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 i5-4340M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2010). That makes it the safer long-term bet.

Core i5-4340M vs Phenom II X6 1065T Technical Specifications

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

Core i5-4340M

The Core i5-4340M is manufactured by Intel. It was released in 19 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: PGA946. Thermal design power (TDP): 37 Watt. Memory support: DDR3. Passmark benchmark score: 3,380 points. Launch price was $266.

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 i5-4340M 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 3.6 GHz on the Core i5-4340M versus 3.4 GHz on the Phenom II X6 1065T — a 5.7% clock advantage for the Core i5-4340M (base: 2.9 GHz vs 2.9 GHz). The Core i5-4340M uses the Haswell (2013−2015) architecture (22 nm), while the Phenom II X6 1065T uses Thuban (2010) (45 nm). In PassMark, the Core i5-4340M scores 3,380 against the Phenom II X6 1065T's 3,412 — a 0.9% lead for the Phenom II X6 1065T. L3 cache: 3 MB on the Core i5-4340M vs 6 MB (total) on the Phenom II X6 1065T.

Feature	Core i5-4340M	Phenom II X6 1065T
Cores / Threads	2 / 4	6 / 6+200%
Boost Clock	3.6 GHz+6%	3.4 GHz
Base Clock	2.9 GHz	2.9 GHz
L3 Cache	3 MB	6 MB (total)+100%
L2 Cache	512 kB	512 kB (per core)
Process	22 nm-51%	45 nm
Architecture	Haswell (2013−2015)	Thuban (2010)
PassMark	3,380	3,412

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Memory & Platform

The Core i5-4340M uses the PGA946 socket (PCIe 3.0), while the Phenom II X6 1065T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.