Core i5-8400H vs Xeon D-1537

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 i5-8400H vs Xeon D-1537 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 i5-8400H vs Xeon D-1537: Pros, Cons & Final Verdict

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

Core i5-8400H

2018

Why buy it

✅Better for gaming: +5.4% higher average FPS across 50 shared CPU benchmark tests.
✅+700% larger total L3 cache (12 MB vs 1.5 MB).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 630, while Xeon D-1537 needs a discrete GPU.

Trade-offs

❌Less compelling for workstation-style loads than Xeon D-1537, which brings 8 cores / 16 threads.
❌28.6% higher power demand at 45W vs 35W.

Xeon D-1537

2015

Why buy it

✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.
✅Draws 35W instead of 45W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-8400H across 50 shared CPU benchmark tests.
❌Lower PassMark (7,444 vs 7,456).
❌Smaller total L3 cache (1.5 MB vs 12 MB).
❌Launch MSRP is still $470 MSRP, while Core i5-8400H mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i5-8400H can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-8400H better than Xeon D-1537?

Not really, because they are built for different jobs. Xeon D-1537 makes more sense for workstation-style multi-core throughput, while Core i5-8400H 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 i5-8400H is the better pick. According to our tests, it delivers 5.4% 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 i5-8400H is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 700% larger total L3 cache (12 MB vs 1.5 MB).

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

Core i5-8400H is the easy recommendation for a fresh desktop build. Core i5-8400H comes in at an unclear MSRP at unclear MSRP versus $470 MSRP, and it still gives you a 5.4% average FPS lead across 50 shared CPU game tests in our data. Xeon D-1537 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 5.4% in the shared gaming data.

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

Core i5-8400H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2015), 700% larger total L3 cache (12 MB vs 1.5 MB), and more multi-core headroom with 4 cores / 8 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-8400H vs Xeon D-1537 Technical Specifications

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

Core i5-8400H

The Core i5-8400H is manufactured by Intel. It was released in 2 April 2018 (7 years ago). It is based on the Coffee Lake-H (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 4.2 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 7,456 points. Launch price was $250.

Xeon D-1537

The Xeon D-1537 is manufactured by Intel. It was released in 1 November 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 8 cores and 16 threads. Base frequency is 1.7 GHz, with boost up to 2.3 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 35 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 7,444 points. Launch price was $470.

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Processing Power

The Core i5-8400H packs 4 cores / 8 threads, while the Xeon D-1537 offers 8 cores / 16 threads — the Xeon D-1537 has 4 more cores. Boost clocks reach 4.2 GHz on the Core i5-8400H versus 2.3 GHz on the Xeon D-1537 — a 58.5% clock advantage for the Core i5-8400H (base: 2.5 GHz vs 1.7 GHz). The Core i5-8400H uses the Coffee Lake-H (2018−2019) architecture (14 nm), while the Xeon D-1537 uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i5-8400H scores 7,456 against the Xeon D-1537's 7,444 — a 0.2% lead for the Core i5-8400H. L3 cache: 12 MB (total) on the Core i5-8400H vs 1.5 MB (per core) on the Xeon D-1537.

Feature	Core i5-8400H	Xeon D-1537
Cores / Threads	4 / 8	8 / 16+100%
Boost Clock	4.2 GHz+83%	2.3 GHz
Base Clock	2.5 GHz+47%	1.7 GHz
L3 Cache	12 MB (total)+700%	1.5 MB (per core)
L2 Cache	256K (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake-H (2018−2019)	Broadwell (2015−2019)
PassMark	7,456	7,444
Cinebench R23 Multi	4,657	—
Geekbench 6 Single	1,493	—
Geekbench 6 Multi	4,963	—

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Memory & Platform

The Core i5-8400H uses the BGA1440 socket (PCIe 3.0), while the Xeon D-1537 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-8400H	Xeon D-1537
Socket	BGA1440	FCBGA1667
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4 2666 MHz	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: true (Core i5-8400H) / not specified (Xeon D-1537). The Core i5-8400H includes integrated graphics (Intel UHD Graphics 630), while the Xeon D-1537 requires a dedicated GPU. Primary use case: Core i5-8400H targets Mobile.