Core 5 120UL vs Xeon E-2126G

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 5 120UL vs Xeon E-2126G 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.

Core 5 120UL vs Xeon E-2126G: Pros, Cons & Final Verdict

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

Core 5 120UL

2024

Why buy it

✅Better for gaming: +24.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,425 less on MSRP ($277 MSRP vs $2,702 MSRP).
✅Delivers 886.8% more PassMark for each dollar spent, at 38.1 vs 3.9 PassMark/$ ($277 MSRP vs $2,702 MSRP).
✅Draws 15W instead of 80W, a 65W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA1151 and DDR4.

Trade-offs

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

Xeon E-2126G

2018

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core 5 120UL across 50 shared CPU benchmark tests.
❌Lower PassMark (10,437 vs 10,558).
❌Lower PassMark per dollar, at 3.9 vs 38.1 PassMark/$ ($2,702 MSRP vs $277 MSRP).
❌433.3% higher power demand at 80W vs 15W.
❌Older platform position on LGA1151 with DDR4, while Core 5 120UL moves to LGA1700 and DDR5.

Quick Answers

So, is Core 5 120UL better than Xeon E-2126G?

Not really, because they are built for different jobs. Xeon E-2126G makes more sense for workstation-style multi-core throughput, while Core 5 120UL is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core 5 120UL is the better pick. According to our tests, it delivers 24.1% 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 5 120UL is the stronger fit. You are getting 1.2% better PassMark, backed by 10 cores and 12 threads.

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

Core 5 120UL is the better buy right now. Core 5 120UL comes in $2,425 cheaper on MSRP at $277 MSRP versus $2,702 MSRP, and it still gives you a 24.1% average FPS lead across 50 shared CPU game tests in our data. It is also 886.8% better value on MSRP (38.1 vs 3.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core 5 120UL makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2018), a healthier platform with LGA1700 and DDR5 instead of LGA1151, and more multi-core headroom with 10 cores / 12 threads instead of 6/6. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core 5 120UL vs Xeon E-2126G Technical Specifications

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

Core 5 120UL

The Core 5 120UL is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Raptor Lake-PS (2024) architecture. It features 10 cores and 12 threads. Base frequency is 1.3 GHz, with boost up to 4.6 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 10,558 points. Launch price was $149.

Xeon E-2126G

The Xeon E-2126G is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 6 cores and 6 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 10,437 points. Launch price was $255.

⚡

Processing Power

The Core 5 120UL packs 10 cores / 12 threads, while the Xeon E-2126G offers 6 cores / 6 threads — the Core 5 120UL has 4 more cores. Boost clocks reach 4.6 GHz on the Core 5 120UL versus 4.5 GHz on the Xeon E-2126G — a 2.2% clock advantage for the Core 5 120UL (base: 1.3 GHz vs 3.3 GHz). The Core 5 120UL uses the Raptor Lake-PS (2024) architecture (10 nm), while the Xeon E-2126G uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Core 5 120UL scores 10,558 against the Xeon E-2126G's 10,437 — a 1.2% lead for the Core 5 120UL. Both processors carry 12 MB (total) of L3 cache.

Feature	Core 5 120UL	Xeon E-2126G
Cores / Threads	10 / 12+67%	6 / 6
Boost Clock	4.6 GHz+2%	4.5 GHz
Base Clock	1.3 GHz	3.3 GHz+154%
L3 Cache	12 MB (total)	12 MB (total)
L2 Cache	1.25 MB (per core)+400%	256 kB (per core)
Process	10 nm-29%	14 nm
Architecture	Raptor Lake-PS (2024)	Coffee Lake-S WS (2018−2019)
PassMark	10,558+1%	10,437

🧠

Memory & Platform

The Core 5 120UL uses the LGA1700 socket (PCIe 5.0), while the Xeon E-2126G uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 5 120UL	Xeon E-2126G
Socket	LGA1700	LGA1151
PCIe Generation	PCIe 5.0+67%	PCIe 3.0

💰

Value Analysis

At launch, the Core 5 120UL was priced at $277, while the Xeon E-2126G came in at $2702. On launch pricing ($277 vs $2702), Core 5 120UL was $2425 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 5 120UL delivers 38.1 pts/$ vs 3.9 pts/$ for the Xeon E-2126G — making the Core 5 120UL the 163.2% better value option.

Feature	Core 5 120UL	Xeon E-2126G
MSRP	$277-90%	$2702
Performance per Dollar	38.1+877%	3.9
Release Date	2024	2018

Search Core 5 120UL on Amazon

Search Xeon E-2126G on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.