Celeron J4125 vs Core i7-4558U

Intel

Celeron J4125

4 Cores4 Thrd10 WWMax: 2.7 GHz2019
Similar parts
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VS
Intel

Core i7-4558U

2 Cores4 Thrd512 WWMax: 3.3 GHz2013
Similar parts
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Celeron J4125 vs Core i7-4558U Performance Spectrum

About PassMark

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 J4125 vs Core i7-4558U 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 J4125 vs Core i7-4558U: Pros, Cons & Final Verdict

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

Celeron J4125

2019

Why buy it

  • Draws 10W instead of 512W, a 502W reduction.
  • 100+% more PCIe lanes (6 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Intel UHD Graphics 600, while Core i7-4558U needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-4558U across 50 shared CPU benchmark tests.
  • Lower PassMark (2,936 vs 2,966).

Core i7-4558U

2013

Why buy it

  • Better for gaming: +3.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • 5020% higher power demand at 512W vs 10W.
  • No integrated graphics, while Celeron J4125 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-4558U better than Celeron J4125?
Yes. Core i7-4558U is the better all-around CPU here. It gives you a 3.8% average FPS lead across 50 shared CPU game tests in our data and 1% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i7-4558U is the better pick. According to our tests, it delivers 3.8% 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 i7-4558U is the stronger fit. You are getting 1% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-4558U still makes the most sense overall. Core i7-4558U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.8% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Celeron J4125 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2013). That makes it the safer long-term bet.

Celeron J4125 vs Core i7-4558U Technical Specifications

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

Intel

Celeron J4125

The Celeron J4125 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 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2.7 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: 2,936 points. Launch price was $107.

Intel

Core i7-4558U

The Core i7-4558U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell-ULT (2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 2,966 points. Launch price was $454.

Processing Power

The Celeron J4125 packs 4 cores / 4 threads, while the Core i7-4558U offers 2 cores / 4 threads — the Celeron J4125 has 2 more cores. Boost clocks reach 2.7 GHz on the Celeron J4125 versus 3.3 GHz on the Core i7-4558U — a 20% clock advantage for the Core i7-4558U (base: 2 GHz vs 2.8 GHz). The Celeron J4125 uses the Gemini Lake Refresh (2019) architecture (14 nm), while the Core i7-4558U uses Haswell-ULT (2013) (22 nm). In PassMark, the Celeron J4125 scores 2,936 against the Core i7-4558U's 2,966 — a 1% lead for the Core i7-4558U. L3 cache: 4 MB on the Celeron J4125 vs 4 MB (total) on the Core i7-4558U.

FeatureCeleron J4125Core i7-4558U
Cores / Threads
4 / 4+100%
2 / 4
Boost Clock
2.7 GHz
3.3 GHz+22%
Base Clock
2 GHz
2.8 GHz+40%
L3 Cache
4 MB
4 MB (total)
L2 Cache
4 MB (total)
256K (per core)+6300%
Process
14 nm-36%
22 nm
Architecture
Gemini Lake Refresh (2019)
Haswell-ULT (2013)
PassMark
2,936
2,966+1%
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Memory & Platform

The Celeron J4125 uses the FCBGA1090 socket (PCIe 3.0), while the Core i7-4558U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCeleron J4125Core i7-4558U
Socket
FCBGA1090
FCBGA1168
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
2400
Max RAM Capacity
8
RAM Channels
2
ECC Support
No
PCIe Lanes
6
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Advanced Features

Virtualization: true (Celeron J4125) / not specified (Core i7-4558U). The Celeron J4125 includes integrated graphics (Intel UHD Graphics 600), while the Core i7-4558U requires a dedicated GPU. Direct competitor: Celeron J4125 rivals Ryzen Embedded R1305G.

FeatureCeleron J4125Core i7-4558U
Integrated GPU
Yes
IGPU Model
Intel UHD Graphics 600
Unlocked
No
AVX-512
No
Virtualization
true