Celeron N5100 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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Celeron N5100

2021

Why buy it

✅+1% higher PassMark.
✅Draws 6W instead of 15W, a 9W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i7-6500U

2015

Why buy it

Trade-offs

❌Lower PassMark (3,271 vs 3,305).
❌150% higher power demand at 15W vs 6W.

Celeron N5100

2021

Core i7-6500U

2015

Why buy it

✅+1% higher PassMark.
✅Draws 6W instead of 15W, a 9W reduction.

Why buy it

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Trade-offs

❌Lower PassMark (3,271 vs 3,305).
❌150% higher power demand at 15W vs 6W.

Quick Answers

So, is Celeron N5100 better than Core i7-6500U?

It depends on what matters more to you. For gaming, Core i7-6500U is ahead with 10.7% higher max boost clock. For rendering, compiling, streaming, and heavier multitasking, Celeron N5100 pulls ahead with 1% better PassMark.

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

For streaming, content creation, and heavier multitasking, Celeron N5100 is the better fit. You are getting 1% better PassMark, backed by 4 cores and 4 threads.

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

Celeron N5100 still looks like the safer overall buy. Celeron N5100 is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you 1% better PassMark.

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

Celeron N5100 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2015) and more multi-core headroom with 4 cores / 4 threads instead of 2/4. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Celeron N5100 Benchmark Check

Core i7-6500U Benchmark Check

Path of Exile 2

Preset	Celeron N5100	Core i7-6500U
1080p
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	79 FPS	80 FPS
1440p
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	66 FPS	64 FPS
4K
low	64 FPS	67 FPS
medium	56 FPS	55 FPS
high	44 FPS	42 FPS
ultra	34 FPS	33 FPS

Open Celeron N5100 Open Core i7-6500U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Celeron N5100	Core i7-6500U
1080p
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	65 FPS	66 FPS
1440p
low	83 FPS	82 FPS
medium	75 FPS	81 FPS
high	71 FPS	74 FPS
ultra	58 FPS	57 FPS
4K
low	65 FPS	67 FPS
medium	58 FPS	58 FPS
high	47 FPS	41 FPS
ultra	37 FPS	28 FPS

Open Celeron N5100 Open Core i7-6500U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Celeron N5100	Core i7-6500U
1080p
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	83 FPS	82 FPS
1440p
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	83 FPS	82 FPS
4K
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	83 FPS	82 FPS

Open Celeron N5100 Open Core i7-6500U

League of Legends

League of Legends

Valorant

Preset	Celeron N5100	Core i7-6500U
1080p
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	83 FPS	82 FPS
1440p
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	83 FPS	82 FPS
4K
low	83 FPS	82 FPS
medium	83 FPS	82 FPS
high	83 FPS	82 FPS
ultra	83 FPS	82 FPS

Open Celeron N5100 Open Core i7-6500U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Celeron N5100 and Core i7-6500U

Celeron N5100

The Celeron N5100 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 4 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 6 Watt. Memory support: DDR4. Passmark benchmark score: 3,305 points. Launch price was $69.

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

The Celeron N5100 packs 4 cores / 4 threads, while the Core i7-6500U offers 2 cores / 4 threads — the Celeron N5100 has 2 more cores. Boost clocks reach 2.8 GHz on the Celeron N5100 versus 3.1 GHz on the Core i7-6500U — a 10.2% clock advantage for the Core i7-6500U (base: 1.1 GHz vs 2.5 GHz). The Celeron N5100 uses the Jasper Lake (2021) architecture (10 nm), while the Core i7-6500U uses Skylake (2015−2016) (14 nm). In PassMark, the Celeron N5100 scores 3,305 against the Core i7-6500U's 3,271 — a 1% lead for the Celeron N5100. L3 cache: 4 MB (total) on the Celeron N5100 vs 4 MB on the Core i7-6500U.

Feature	Celeron N5100	Core i7-6500U
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2.8 GHz	3.1 GHz+11%
Base Clock	1.1 GHz	2.5 GHz+127%
L3 Cache	4 MB (total)	4 MB
L2 Cache	1.5 MB (total)+200%	512 kB
Process	10 nm-29%	14 nm
Architecture	Jasper Lake (2021)	Skylake (2015−2016)
PassMark	3,305+1%	3,271

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Memory & Platform

The Celeron N5100 uses the BGA1338 socket (PCIe 4.0), while the Core i7-6500U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.