Core i5-9400 vs Xeon E5-4627 v2

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 i5-9400 vs Xeon E5-4627 v2 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 i5-9400 vs Xeon E5-4627 v2: Pros, Cons & Final Verdict

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

Core i5-9400

2019

Why buy it

✅Costs $1,869 less on MSRP ($192 MSRP vs $2,061 MSRP).
✅Delivers 967.4% more PassMark for each dollar spent, at 48.8 vs 4.6 PassMark/$ ($192 MSRP vs $2,061 MSRP).
✅Draws 65W instead of 130W, a 65W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon E5-4627 v2 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-4627 v2 across 50 shared CPU benchmark tests.
❌Lower PassMark (9,372 vs 9,425).
❌Smaller total L3 cache (9 MB vs 16 MB).
❌Less compelling for workstation-style loads than Xeon E5-4627 v2, which brings 8 cores / 8 threads.

Xeon E5-4627 v2

2014

Why buy it

✅Better for gaming: +14.0% higher average FPS across 50 shared CPU benchmark tests.
✅+77.8% larger total L3 cache (16 MB vs 9 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 8 threads.

Trade-offs

❌Lower PassMark per dollar, at 4.6 vs 48.8 PassMark/$ ($2,061 MSRP vs $192 MSRP).
❌100% higher power demand at 130W vs 65W.
❌No integrated graphics, while Core i5-9400 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon E5-4627 v2 better than Core i5-9400?

Not really, because they are built for different jobs. Xeon E5-4627 v2 makes more sense for workstation-style multi-core throughput, while Core i5-9400 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon E5-4627 v2 is the better pick. According to our tests, it delivers 14.0% 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, Xeon E5-4627 v2 is the stronger fit. You are getting 0.6% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 77.8% larger total L3 cache (16 MB vs 9 MB).

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

Xeon E5-4627 v2 is still the faster CPU overall, but Core i5-9400 is easier to justify if budget matters more than peak performance. Xeon E5-4627 v2 comes in 973.4% more expensive on MSRP at $2,061 MSRP versus $192 MSRP, and it still gives you a 14.0% average FPS lead across 50 shared CPU game tests in our data. Core i5-9400 is also 967.4% better value on MSRP (48.8 vs 4.6 PassMark/$), 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 i5-9400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2014). That makes it the safer long-term bet.

Core i5-9400 vs Xeon E5-4627 v2 Technical Specifications

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

Core i5-9400

The Core i5-9400 is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 6 cores and 6 threads. Base frequency is 2.9 GHz, with boost up to 4.1 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: DDR4-2666. Passmark benchmark score: 9,372 points. Launch price was $182.

Xeon E5-4627 v2

The Xeon E5-4627 v2 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.6 GHz. L3 cache: 16 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866. Passmark benchmark score: 9,425 points. Launch price was $800.

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Processing Power

The Core i5-9400 packs 6 cores / 6 threads, while the Xeon E5-4627 v2 offers 8 cores / 8 threads — the Xeon E5-4627 v2 has 2 more cores. Boost clocks reach 4.1 GHz on the Core i5-9400 versus 3.6 GHz on the Xeon E5-4627 v2 — a 13% clock advantage for the Core i5-9400 (base: 2.9 GHz vs 3.3 GHz). The Core i5-9400 is built on the Coffee Lake (2017−2019) architecture. In PassMark, the Core i5-9400 scores 9,372 against the Xeon E5-4627 v2's 9,425 — a 0.6% lead for the Xeon E5-4627 v2. L3 cache: 9 MB (total) on the Core i5-9400 vs 16 MB Intel® Smart Cache on the Xeon E5-4627 v2.

Feature	Core i5-9400	Xeon E5-4627 v2
Cores / Threads	6 / 6	8 / 8+33%
Boost Clock	4.1 GHz+14%	3.6 GHz
Base Clock	2.9 GHz	3.3 GHz+14%
L3 Cache	9 MB (total)	16 MB Intel® Smart Cache+78%
L2 Cache	256K (per core)	—
Process	14 nm-36%	22 nm
Architecture	Coffee Lake (2017−2019)	—
PassMark	9,372	9,425

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Memory & Platform

The Core i5-9400 uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-4627 v2 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-9400	Xeon E5-4627 v2
Socket	LGA1151	LGA2011
PCIe Generation	PCIe 3.0	PCIe 3.0
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 i5-9400) / not specified (Xeon E5-4627 v2). The Core i5-9400 includes integrated graphics (UHD Graphics 630), while the Xeon E5-4627 v2 requires a dedicated GPU. Primary use case: Core i5-9400 targets Desktop.

Feature	Core i5-9400	Xeon E5-4627 v2
Integrated GPU	Yes	—
IGPU Model	UHD Graphics 630	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Desktop	—

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Value Analysis

At launch, the Core i5-9400 was priced at $192, while the Xeon E5-4627 v2 came in at $2061. On launch pricing ($192 vs $2061), Core i5-9400 was $1869 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-9400 delivers 48.8 pts/$ vs 4.6 pts/$ for the Xeon E5-4627 v2 — making the Core i5-9400 the 165.7% better value option.

Feature	Core i5-9400	Xeon E5-4627 v2
MSRP	$192-91%	$2061
Performance per Dollar	48.8+961%	4.6
Release Date	2019	2014

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