
Core i5-4258U

FX-4100
Core i5-4258U vs FX-4100 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.
Core i5-4258U vs FX-4100 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core i5-4258U vs FX-4100: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i5-4258U
2013Why buy it
Trade-offs
- ❌Lower PassMark (2,610 vs 2,630).
- ❌Smaller total L3 cache (3 MB vs 8 MB).
- ❌438.9% higher power demand at 512W vs 95W.
FX-4100
2011Why buy it
- ✅+166.7% larger total L3 cache (8 MB vs 3 MB).
- ✅Draws 95W instead of 512W, a 417W reduction.
Trade-offs
- ❌Launch MSRP is still $115 MSRP, while Core i5-4258U mostly shows up through inconsistent older-market listings.
Quick Answers
So, is FX-4100 better than Core i5-4258U?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i5-4258U vs FX-4100 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i5-4258U
The Core i5-4258U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 3 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: 2,610 points. Launch price was $342.

FX-4100
The FX-4100 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 3.6 GHz, with boost up to 3.8 GHz. L3 cache: 8192 kB. L2 cache: 4096 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,630 points. Launch price was $69.
Processing Power
The Core i5-4258U packs 2 cores / 4 threads, while the FX-4100 offers 4 cores / 4 threads — the FX-4100 has 2 more cores. Boost clocks reach 2.9 GHz on the Core i5-4258U versus 3.8 GHz on the FX-4100 — a 26.9% clock advantage for the FX-4100 (base: 2.4 GHz vs 3.6 GHz). The Core i5-4258U uses the Haswell (2013−2015) architecture (22 nm), while the FX-4100 uses Zambezi (2011−2012) (32 nm). In PassMark, the Core i5-4258U scores 2,610 against the FX-4100's 2,630 — a 0.8% lead for the FX-4100. L3 cache: 3 MB (total) on the Core i5-4258U vs 8192 kB on the FX-4100.
| Feature | Core i5-4258U | FX-4100 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 2.9 GHz | 3.8 GHz+31% |
| Base Clock | 2.4 GHz | 3.6 GHz+50% |
| L3 Cache | 3 MB (total) | 8192 kB+167% |
| L2 Cache | 256K (per core) | 4096 kB+1500% |
| Process | 22 nm-31% | 32 nm |
| Architecture | Haswell (2013−2015) | Zambezi (2011−2012) |
| PassMark | 2,610 | 2,630 |
Memory & Platform
The Core i5-4258U uses the FCBGA1168 socket (PCIe 3.0), while the FX-4100 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i5-4258U | FX-4100 |
|---|---|---|
| Socket | FCBGA1168 | AM3+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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