Core i5-8279U vs Xeon E5-2450

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 i5-8279U vs Xeon E5-2450 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 i5-8279U vs Xeon E5-2450: Pros, Cons & Final Verdict

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

Core i5-8279U

2019

Why buy it

✅Draws 28W instead of 95W, a 67W reduction.

Trade-offs

❌Lower PassMark (7,464 vs 7,534).
❌Smaller total L3 cache (6 MB vs 20 MB).
❌Less compelling for workstation-style loads than Xeon E5-2450, which brings 8 cores / 16 threads.

Xeon E5-2450

2012

Why buy it

✅+0.9% higher PassMark.
✅+233.3% larger total L3 cache (20 MB vs 6 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Launch MSRP is still $694 MSRP, while Core i5-8279U mostly shows up through inconsistent older-market listings.
❌239.3% higher power demand at 95W vs 28W.

Quick Answers

So, is Core i5-8279U better than Xeon E5-2450?

Not really, because they are built for different jobs. Xeon E5-2450 makes more sense for workstation-style multi-core throughput, while Core i5-8279U is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon E5-2450 is the stronger fit. You are getting 0.9% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 233.3% larger total L3 cache (20 MB vs 6 MB).

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

Core i5-8279U is still the faster CPU overall, but Xeon E5-2450 is easier to justify if budget matters more than peak performance. Core i5-8279U comes in at an unclear MSRP at unclear MSRP versus $694 MSRP, and it still gives you a 1.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-2450 is still stronger for heavier multi-core work with 0.9% better PassMark. Xeon E5-2450 is also 100.0% better value on MSRP (10.9 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i5-8279U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2012). That makes it the safer long-term bet.

Core i5-8279U vs Xeon E5-2450 Technical Specifications

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

Core i5-8279U

The Core i5-8279U is manufactured by Intel. It was released in 3 April 2019 (6 years ago). It is based on the Coffee Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 7,464 points. Launch price was $320.

Xeon E5-2450

The Xeon E5-2450 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 2.9 GHz. L3 cache: 20480 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 7,534 points. Launch price was $500.

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Processing Power

The Core i5-8279U packs 4 cores / 8 threads, while the Xeon E5-2450 offers 8 cores / 16 threads — the Xeon E5-2450 has 4 more cores. Boost clocks reach 4.1 GHz on the Core i5-8279U versus 2.9 GHz on the Xeon E5-2450 — a 34.3% clock advantage for the Core i5-8279U (base: 2.4 GHz vs 2.1 GHz). The Core i5-8279U uses the Coffee Lake-U (2018−2019) architecture (14 nm), while the Xeon E5-2450 uses Sandy Bridge-EN (2012) (32 nm). In PassMark, the Core i5-8279U scores 7,464 against the Xeon E5-2450's 7,534 — a 0.9% lead for the Xeon E5-2450. L3 cache: 6 MB (total) on the Core i5-8279U vs 20480 kB (total) on the Xeon E5-2450.

Feature	Core i5-8279U	Xeon E5-2450
Cores / Threads	4 / 8	8 / 16+100%
Boost Clock	4.1 GHz+41%	2.9 GHz
Base Clock	2.4 GHz+14%	2.1 GHz
L3 Cache	6 MB (total)	20480 kB (total)+233%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Coffee Lake-U (2018−2019)	Sandy Bridge-EN (2012)
PassMark	7,464	7,534

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Memory & Platform

The Core i5-8279U uses the FCBGA1528 socket (PCIe 3.0), while the Xeon E5-2450 uses LGA1356 (PCIe 2.0) — making them incompatible on the same motherboard.