Core i5-12450HX vs Xeon E5-2686 V3

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 i5-12450HX vs Xeon E5-2686 V3 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 i5-12450HX vs Xeon E5-2686 V3: Pros, Cons & Final Verdict

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

Core i5-12450HX

2022

Why buy it

✅+108.1% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Draws 55W instead of 120W, a 65W reduction.
✅Newer platform on FCBGA1964 with DDR5 support instead of LGA2011-3 and DDR4.
✅20% more PCIe lanes (48 vs 40) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics for 12th Gen, while Xeon E5-2686 V3 needs a discrete GPU.

Trade-offs

❌Lower PassMark (18,064 vs 18,148).
❌Smaller total L3 cache (12 MB vs 45 MB).
❌Less compelling for workstation-style loads than Xeon E5-2686 V3, which brings 18 cores / 36 threads.

Xeon E5-2686 V3

2014

Why buy it

✅+0.5% higher PassMark.
✅+275% larger total L3 cache (45 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 18 cores / 36 threads.

Trade-offs

❌Lower Geekbench single-core performance for gaming (1,033 vs 2,150).
❌Launch MSRP is still $1,500 MSRP, while Core i5-12450HX mostly shows up through inconsistent older-market listings.
❌118.2% higher power demand at 120W vs 55W.
❌Older platform position on LGA2011-3 with DDR4, while Core i5-12450HX moves to FCBGA1964 and DDR5.
❌No integrated graphics, while Core i5-12450HX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-12450HX better than Xeon E5-2686 V3?

Not really, because they are built for different jobs. Xeon E5-2686 V3 makes more sense for workstation-style multi-core throughput, while Core i5-12450HX 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 E5-2686 V3 is the stronger fit. You are getting 0.5% better PassMark, backed by 18 cores and 36 threads. It also has the larger cache pool with 275% larger total L3 cache (45 MB vs 12 MB).

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

Core i5-12450HX is still the faster CPU overall, but Xeon E5-2686 V3 is easier to justify if budget matters more than peak performance. Core i5-12450HX comes in at an unclear MSRP at unclear MSRP versus $1,500 MSRP, and it still gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-2686 V3 is still stronger for heavier multi-core work with 0.5% better PassMark. Xeon E5-2686 V3 is also 100.0% better value on MSRP (12.1 vs 0.0 PassMark/$), 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 i5-12450HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2014) and a healthier platform with FCBGA1964 and DDR5 instead of LGA2011-3. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12450HX vs Xeon E5-2686 V3 Technical Specifications

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

Core i5-12450HX

The Core i5-12450HX is manufactured by Intel. It was released in 10 May 2022 (3 years ago). It is based on the Alder Lake-HX (2022) architecture. It features 8 cores and 12 threads. Base frequency is 2.4 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 18,064 points. Launch price was $299.

Xeon E5-2686 V3

The Xeon E5-2686 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 18 cores and 36 threads. Base frequency is 2 GHz, with boost up to 3.5 GHz. L3 cache: 45 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 120 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 18,148 points. Launch price was $800.

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Processing Power

The Core i5-12450HX packs 8 cores / 12 threads, while the Xeon E5-2686 V3 offers 18 cores / 36 threads — the Xeon E5-2686 V3 has 10 more cores. Boost clocks reach 4.4 GHz on the Core i5-12450HX versus 3.5 GHz on the Xeon E5-2686 V3 — a 22.8% clock advantage for the Core i5-12450HX (base: 2.4 GHz vs 2 GHz). The Core i5-12450HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Xeon E5-2686 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i5-12450HX scores 18,064 against the Xeon E5-2686 V3's 18,148 — a 0.5% lead for the Xeon E5-2686 V3. Geekbench 6 single-core — the metric most relevant to gaming — records 2,150 vs 1,033, a 70.2% lead for the Core i5-12450HX that directly translates to higher frame rates. L3 cache: 12 MB (total) on the Core i5-12450HX vs 45 MB (total) on the Xeon E5-2686 V3.

Feature	Core i5-12450HX	Xeon E5-2686 V3
Cores / Threads	8 / 12	18 / 36+125%
Boost Clock	4.4 GHz+26%	3.5 GHz
Base Clock	2.4 GHz+20%	2 GHz
L3 Cache	12 MB (total)	45 MB (total)+275%
L2 Cache	1.25 MB (per core)	256K (per core)+20380%
Process	Intel 7 nm-68%	22 nm
Architecture	Alder Lake-HX (2022)	Haswell-EP (2014−2015)
PassMark	18,064	18,148
Cinebench R23 Multi	—	10,000
Geekbench 6 Single	2,150+108%	1,033
Geekbench 6 Multi	—	8,649

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Memory & Platform

The Core i5-12450HX uses the FCBGA1964 socket (PCIe 3.0), while the Xeon E5-2686 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i5-12450HX versus DDR4-2133 on the Xeon E5-2686 V3 — the Core i5-12450HX supports 125% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-2686 V3 supports up to 768 GB of RAM compared to 128 GB — 500% more capacity for professional workloads. Memory channels: 2 (Core i5-12450HX) vs 4 (Xeon E5-2686 V3). PCIe lanes: 48 (Core i5-12450HX) vs 40 (Xeon E5-2686 V3) — the Core i5-12450HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i5-12450HX) and C612,X99 (Xeon E5-2686 V3).

Feature	Core i5-12450HX	Xeon E5-2686 V3
Socket	FCBGA1964	LGA2011-3
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR5-4800+125%	DDR4-2133
Max RAM Capacity	128 GB	768 GB+500%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	48+20%	40

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12450HX) vs Yes (Xeon E5-2686 V3). The Core i5-12450HX includes integrated graphics (UHD Graphics for 12th Gen), while the Xeon E5-2686 V3 requires a dedicated GPU. Primary use case: Core i5-12450HX targets Workstation/Enthusiast Laptop. Direct competitor: Core i5-12450HX rivals Ryzen 5 7645HX.

Feature	Core i5-12450HX	Xeon E5-2686 V3
Integrated GPU	Yes	No
IGPU Model	UHD Graphics for 12th Gen	—
Unlocked	Yes	—
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	Yes
Target Use	Workstation/Enthusiast Laptop	—