Core i5-4400E vs Core i7-6500U

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 i5-4400E vs Core i7-6500U 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 i5-4400E vs Core i7-6500U: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-4400E

2013

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 4600, while Core i7-6500U needs a discrete GPU.

Trade-offs

❌Lower PassMark (3,251 vs 3,271).
❌Smaller total L3 cache (3 MB vs 4 MB).
❌Launch MSRP is still $266 MSRP, while Core i7-6500U mostly shows up through inconsistent older-market listings.
❌3313.3% higher power demand at 512W vs 15W.

Core i7-6500U

2015

Why buy it

✅+0.6% higher PassMark.
✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅Draws 15W instead of 512W, a 497W reduction.

Trade-offs

❌No integrated graphics, while Core i5-4400E can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-6500U better than Core i5-4400E?

It depends on what you want from the system. For gaming, Core i5-4400E is ahead with a 1.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-6500U pulls ahead with 0.6% better PassMark. Core i7-6500U also has the bigger cache pool with 33.3% larger total L3 cache (4 MB vs 3 MB).

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

For streaming, content creation, and heavier multitasking, Core i7-6500U is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 4 threads. It also has the larger cache pool with 33.3% larger total L3 cache (4 MB vs 3 MB).

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

Core i7-6500U is the easy recommendation for a fresh desktop build. Core i7-6500U comes in at an unclear MSRP at unclear MSRP versus $266 MSRP, and it still gives you 0.6% better PassMark. Core i5-4400E only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 1.7% in the shared gaming data.

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

Core i7-6500U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2013), 33.3% larger total L3 cache (4 MB vs 3 MB), and more multi-core headroom with 2 cores / 4 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-4400E vs Core i7-6500U Technical Specifications

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

Core i5-4400E

The Core i5-4400E is manufactured by Intel. It was released in 1 October 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.7 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: BGA1364. Thermal design power (TDP): 512 kB + 3 MB. Memory support: DDR3. Passmark benchmark score: 3,251 points. Launch price was $266.

Core i7-6500U

The Core i7-6500U 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 2.5 GHz, with boost up to 3.1 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: 3,271 points. Launch price was $393.

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Processing Power

Both the Core i5-4400E and Core i7-6500U share an identical 2-core/4-thread configuration. Boost clocks reach 3.3 GHz on the Core i5-4400E versus 3.1 GHz on the Core i7-6500U — a 6.2% clock advantage for the Core i5-4400E (base: 2.7 GHz vs 2.5 GHz). The Core i5-4400E uses the Haswell (2013−2015) architecture (22 nm), while the Core i7-6500U uses Skylake (2015−2016) (14 nm). In PassMark, the Core i5-4400E scores 3,251 against the Core i7-6500U's 3,271 — a 0.6% lead for the Core i7-6500U. L3 cache: 3 MB on the Core i5-4400E vs 4 MB on the Core i7-6500U.

Feature	Core i5-4400E	Core i7-6500U
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.3 GHz+6%	3.1 GHz
Base Clock	2.7 GHz+8%	2.5 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	3,251	3,271

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Memory & Platform

The Core i5-4400E uses the BGA1364 socket (PCIe 3.0), while the Core i7-6500U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-4400E	Core i7-6500U
Socket	BGA1364	BGA1356
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3L-1600	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i5-4400E) / not specified (Core i7-6500U). The Core i5-4400E includes integrated graphics (HD Graphics 4600), while the Core i7-6500U requires a dedicated GPU. Primary use case: Core i5-4400E targets Embedded.