Core i5-8400 vs Xeon D-1715TER

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 i5-8400 vs Xeon D-1715TER 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 i5-8400 vs Xeon D-1715TER: Pros, Cons & Final Verdict

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

Core i5-8400

2017

Why buy it

✅+1.4% higher PassMark.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon D-1715TER needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon D-1715TER across 50 shared CPU benchmark tests.
❌Less compelling for workstation-style loads than Xeon D-1715TER, which brings 4 cores / 8 threads.
❌Launch MSRP is still $182 MSRP, while Xeon D-1715TER mostly shows up through inconsistent older-market listings.
❌30% higher power demand at 65W vs 50W.

Xeon D-1715TER

2022

Why buy it

✅Better for gaming: +4.3% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
✅Draws 50W instead of 65W, a 15W reduction.

Trade-offs

❌Lower PassMark (9,104 vs 9,229).
❌No integrated graphics, while Core i5-8400 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon D-1715TER better than Core i5-8400?

Not really, because they are built for different jobs. Xeon D-1715TER makes more sense for workstation-style multi-core throughput, while Core i5-8400 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, Core i5-8400 is the stronger fit. You are getting 1.4% better PassMark, backed by 6 cores and 6 threads.

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

Xeon D-1715TER is still the much better call for a fresh build. Xeon D-1715TER comes in at an unclear MSRP at unclear MSRP versus $182 MSRP, and it still gives you a 4.3% average FPS lead across 50 shared CPU game tests in our data. Core i5-8400 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2017 platform. Even with 100.0% better value on paper (50.7 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1151.

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

Xeon D-1715TER makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2017). That makes it the safer long-term bet.

Core i5-8400 vs Xeon D-1715TER Technical Specifications

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

Core i5-8400

The Core i5-8400 is manufactured by Intel. It was released in 5 October 2017 (8 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 6 cores and 6 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 9,229 points. Launch price was $182.

Xeon D-1715TER

The Xeon D-1715TER is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-D (2022−2023) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 3.5 GHz. L3 cache: 10 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA2227. Thermal design power (TDP): 50 Watt. Memory support: DDR4. Passmark benchmark score: 9,104 points. Launch price was $800.

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Processing Power

The Core i5-8400 packs 6 cores / 6 threads, while the Xeon D-1715TER offers 4 cores / 8 threads — the Core i5-8400 has 2 more cores. Boost clocks reach 4 GHz on the Core i5-8400 versus 3.5 GHz on the Xeon D-1715TER — a 13.3% clock advantage for the Core i5-8400 (base: 2.8 GHz vs 2.4 GHz). The Core i5-8400 uses the Coffee Lake-S (2017−2018) architecture (14 nm), while the Xeon D-1715TER uses Ice Lake-D (2022−2023) (10 nm). In PassMark, the Core i5-8400 scores 9,229 against the Xeon D-1715TER's 9,104 — a 1.4% lead for the Core i5-8400. L3 cache: 9 MB (total) on the Core i5-8400 vs 10 MB (total) on the Xeon D-1715TER.

Feature	Core i5-8400	Xeon D-1715TER
Cores / Threads	6 / 6+50%	4 / 8
Boost Clock	4 GHz+14%	3.5 GHz
Base Clock	2.8 GHz+17%	2.4 GHz
L3 Cache	9 MB (total)	10 MB (total)+11%
L2 Cache	256K (per core)+20380%	1.25 MB (per core)
Process	14 nm	10 nm-29%
Architecture	Coffee Lake-S (2017−2018)	Ice Lake-D (2022−2023)
PassMark	9,229+1%	9,104

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Memory & Platform

The Core i5-8400 uses the LGA1151 socket (PCIe 3.0), while the Xeon D-1715TER uses FCBGA2227 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i5-8400	Xeon D-1715TER
Socket	LGA1151	FCBGA2227
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i5-8400) / not specified (Xeon D-1715TER). The Core i5-8400 includes integrated graphics (UHD Graphics 630), while the Xeon D-1715TER requires a dedicated GPU. Primary use case: Core i5-8400 targets Desktop.