Celeron J4025 vs Core i7-620LM

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 J4025 vs Core i7-620LM 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 J4025 vs Core i7-620LM: Pros, Cons & Final Verdict

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

Celeron J4025

2019

Why buy it

✅Draws 10W instead of 25W, a 15W reduction.

Trade-offs

❌Lower PassMark (1,450 vs 1,463).

Core i7-620LM

2010

Why buy it

✅+0.9% higher PassMark.
✅166.7% more PCIe lanes (16 vs 6) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $300 MSRP, while Celeron J4025 mostly shows up through inconsistent older-market listings.
❌150% higher power demand at 25W vs 10W.

Quick Answers

So, is Celeron J4025 better than Core i7-620LM?

It depends on what you want from the system. For gaming, Celeron J4025 is ahead with a 2.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-620LM pulls ahead with 0.9% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i7-620LM is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 4 threads.

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

Celeron J4025 is the easy recommendation for a fresh desktop build. Celeron J4025 comes in at an unclear MSRP at unclear MSRP versus $300 MSRP, and it still gives you a 2.3% average FPS lead across 50 shared CPU game tests in our data. Core i7-620LM 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.

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

Celeron J4025 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2010). That makes it the safer long-term bet.

Celeron J4025 vs Core i7-620LM Technical Specifications

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

Celeron J4025

The Celeron J4025 is manufactured by Intel. It was released in 4 November 2019 (6 years ago). It is based on the Gemini Lake Refresh (2019) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2.9 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: 1,450 points. Launch price was $107.

Core i7-620LM

The Core i7-620LM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 25 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 1,463 points. Launch price was $300.

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Processing Power

The Celeron J4025 packs 2 cores / 2 threads, matching the Core i7-620LM's 2 cores. Boost clocks reach 2.9 GHz on the Celeron J4025 versus 2.8 GHz on the Core i7-620LM — a 3.5% clock advantage for the Celeron J4025 (base: 2 GHz vs 2 GHz). The Celeron J4025 uses the Gemini Lake Refresh (2019) architecture (14 nm), while the Core i7-620LM uses Arrandale (2010−2011) (32 nm). In PassMark, the Celeron J4025 scores 1,450 against the Core i7-620LM's 1,463 — a 0.9% lead for the Core i7-620LM. L3 cache: 4 MB on the Celeron J4025 vs 4 MB (total) on the Core i7-620LM.

Feature	Celeron J4025	Core i7-620LM
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.9 GHz+4%	2.8 GHz
Base Clock	2 GHz	2 GHz
L3 Cache	4 MB	4 MB (total)
L2 Cache	4 MB (total)+1500%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Gemini Lake Refresh (2019)	Arrandale (2010−2011)
PassMark	1,450	1,463
Geekbench 6 Single	—	450
Geekbench 6 Multi	—	900

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Memory & Platform

The Celeron J4025 uses the FCBGA1090 socket (PCIe 3.0), while the Core i7-620LM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2400 on the Celeron J4025 versus DDR3-1066 on the Core i7-620LM — the Celeron J4025 supports 125.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J4025) vs 16 (Core i7-620LM) — the Core i7-620LM offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: BGA1090 (Celeron J4025) and QM57,HM55 (Core i7-620LM).

Feature	Celeron J4025	Core i7-620LM
Socket	FCBGA1090	BGA1288
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	2400+125%	DDR3-1066
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	6	16+167%

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Advanced Features

Neither processor supports overclocking. Virtualization support: true (Celeron J4025) vs VT-x, VT-d (Core i7-620LM). Both include integrated graphics — Intel UHD Graphics 600 (Celeron J4025) and Intel HD Graphics (Core i7-620LM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-620LM targets Budget. Direct competitor: Celeron J4025 rivals Ryzen Embedded R1102G; Core i7-620LM rivals Ryzen 5 3500U.