Celeron J4105 vs Core i5-5257U

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.

Celeron J4105 vs Core i5-5257U 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.

Celeron J4105 vs Core i5-5257U: Pros, Cons & Final Verdict

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

Celeron J4105

2017

Why buy it

✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅Draws 10W instead of 512W, a 502W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-5257U across 50 shared CPU benchmark tests.
❌Lower PassMark (2,820 vs 2,837).

Core i5-5257U

2015

Why buy it

✅Better for gaming: +4.5% higher average FPS across 50 shared CPU benchmark tests.
✅100% more PCIe lanes (12 vs 6) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (3 MB vs 4 MB).
❌5020% higher power demand at 512W vs 10W.

Quick Answers

So, is Core i5-5257U better than Celeron J4105?

Yes. Core i5-5257U is the better all-around CPU here. It gives you a 4.5% 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 i5-5257U is the better pick. According to our tests, it delivers 4.5% 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 i5-5257U 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 i5-5257U still makes the most sense overall. Core i5-5257U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 4.5% average FPS lead across 50 shared CPU game tests in our data.

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

Celeron J4105 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2015) and 33.3% larger total L3 cache (4 MB vs 3 MB). That makes it the safer long-term bet.

Celeron J4105 vs Core i5-5257U Technical Specifications

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

Celeron J4105

The Celeron J4105 is manufactured by Intel. It was released in 11 December 2017 (7 years ago). It is based on the Goldmont Plus (2017) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.5 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 2,820 points. Launch price was $107.

Core i5-5257U

The Core i5-5257U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.7 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 2,837 points. Launch price was $315.

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Processing Power

The Celeron J4105 packs 4 cores / 4 threads, while the Core i5-5257U offers 2 cores / 4 threads — the Celeron J4105 has 2 more cores. Boost clocks reach 2.5 GHz on the Celeron J4105 versus 3.1 GHz on the Core i5-5257U — a 21.4% clock advantage for the Core i5-5257U (base: 1.5 GHz vs 2.7 GHz). The Celeron J4105 uses the Goldmont Plus (2017) architecture (14 nm), while the Core i5-5257U uses Broadwell-U (2015) (14 nm). In PassMark, the Celeron J4105 scores 2,820 against the Core i5-5257U's 2,837 — a 0.6% lead for the Core i5-5257U. L3 cache: 4 MB on the Celeron J4105 vs 3 MB (total) on the Core i5-5257U.

Feature	Celeron J4105	Core i5-5257U
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2.5 GHz	3.1 GHz+24%
Base Clock	1.5 GHz	2.7 GHz+80%
L3 Cache	4 MB+33%	3 MB (total)
L2 Cache	4 MB (total)	256K (per core)+6300%
Process	14 nm	14 nm
Architecture	Goldmont Plus (2017)	Broadwell-U (2015)
PassMark	2,820	2,837
Geekbench 6 Single	—	950
Geekbench 6 Multi	—	1,900

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Memory & Platform

The Celeron J4105 uses the FCBGA1090 socket (PCIe 3.0), while the Core i5-5257U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2400 on the Celeron J4105 versus LPDDR3 1866 MHz on the Core i5-5257U — the Celeron J4105 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-5257U supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J4105) vs 12 (Core i5-5257U) — the Core i5-5257U offers 6 more lanes for additional GPUs or NVMe drives. Chipset compatibility: BGA1090 (Celeron J4105) and Broadwell-U (Core i5-5257U).

Feature	Celeron J4105	Core i5-5257U
Socket	FCBGA1090	FCBGA1168
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	2400+29%	LPDDR3 1866 MHz
Max RAM Capacity	8 GB	16 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	6	12+100%

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Advanced Features

Neither processor supports overclocking. Both support true virtualization. Both include integrated graphics — Intel UHD Graphics 600 (Celeron J4105) and Intel Iris Graphics 6100 (Core i5-5257U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-5257U targets Mobile. Direct competitor: Celeron J4105 rivals Ryzen Embedded R1305G.