Core i5-4340M vs Core i5-6267U

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 Core i5-6267U 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 Core i5-6267U: 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

❌Smaller total L3 cache (3 MB vs 4 MB).
❌No integrated graphics, while Core i5-6267U can still boot and troubleshoot without a discrete GPU.

Core i5-6267U

2015

Why buy it

✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Iris Graphics 550, while Core i5-4340M needs a discrete GPU.

Trade-offs

❌Lower PassMark (3,360 vs 3,380).

Quick Answers

So, is Core i5-4340M better than Core i5-6267U?

Yes. Core i5-4340M is the better all-around CPU here. It gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-4340M is the better pick. According to our tests, it delivers 0.5% 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, Core i5-4340M is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 4 threads.

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

Core i5-4340M still makes the most sense overall. Core i5-4340M comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data.

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

Core i5-6267U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2014) and 33.3% larger total L3 cache (4 MB vs 3 MB). That makes it the safer long-term bet.

Core i5-4340M vs Core i5-6267U 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.

Core i5-6267U

The Core i5-6267U 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 2.9 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 28 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,360 points. Launch price was $304.

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Processing Power

Both the Core i5-4340M and Core i5-6267U share an identical 2-core/4-thread configuration. Boost clocks reach 3.6 GHz on the Core i5-4340M versus 3.3 GHz on the Core i5-6267U — a 8.7% 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 Core i5-6267U uses Skylake (2015−2016) (14 nm). In PassMark, the Core i5-4340M scores 3,380 against the Core i5-6267U's 3,360 — a 0.6% lead for the Core i5-4340M. L3 cache: 3 MB on the Core i5-4340M vs 4 MB on the Core i5-6267U.

Feature	Core i5-4340M	Core i5-6267U
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.6 GHz+9%	3.3 GHz
Base Clock	2.9 GHz	2.9 GHz
L3 Cache	3 MB	4 MB+33%
L2 Cache	512 kB	512 kB
Process	22 nm	14 nm-36%
Architecture	Haswell (2013−2015)	Skylake (2015−2016)
PassMark	3,380	3,360

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Memory & Platform

The Core i5-4340M uses the PGA946 socket (PCIe 3.0), while the Core i5-6267U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-4340M	Core i5-6267U
Socket	PGA946	BGA1356
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR4-2133
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	No
PCIe Lanes	—	12

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Advanced Features

Virtualization: not specified (Core i5-4340M) / VT-x, VT-d (Core i5-6267U). The Core i5-6267U includes integrated graphics (Iris Graphics 550), while the Core i5-4340M requires a dedicated GPU. Primary use case: Core i5-6267U targets Mobile.