Core i5-9400 vs Xeon E-2144G

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 E-2144G 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 E-2144G: 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 $1,898 less on MSRP ($192 MSRP vs $2,090 MSRP).
✅Delivers 985.6% more PassMark for each dollar spent, at 48.8 vs 4.5 PassMark/$ ($192 MSRP vs $2,090 MSRP).
✅Draws 65W instead of 71W, a 6W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon E-2144G needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E-2144G across 50 shared CPU benchmark tests.
❌Lower PassMark (9,372 vs 9,397).
❌Less compelling for workstation-style loads than Xeon E-2144G, which brings 4 cores / 8 threads.

Xeon E-2144G

2018

Why buy it

✅Better for gaming: +13.2% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌Lower PassMark per dollar, at 4.5 vs 48.8 PassMark/$ ($2,090 MSRP vs $192 MSRP).
❌No integrated graphics, while Core i5-9400 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon E-2144G better than Core i5-9400?

Not really, because they are built for different jobs. Xeon E-2144G 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 E-2144G is the better pick. According to our tests, it delivers 13.2% 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 E-2144G is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E-2144G is still the faster CPU overall, but Core i5-9400 is easier to justify if budget matters more than peak performance. Xeon E-2144G comes in 988.5% more expensive on MSRP at $2,090 MSRP versus $192 MSRP, and it still gives you a 13.2% average FPS lead across 50 shared CPU game tests in our data. Core i5-9400 is also 985.6% better value on MSRP (48.8 vs 4.5 PassMark/$), 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 2018). That makes it the safer long-term bet.

Core i5-9400 vs Xeon E-2144G 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 E-2144G

The Xeon E-2144G is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 71 Watt. Memory support: DDR4-2666. Passmark benchmark score: 9,397 points. Launch price was $272.

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Processing Power

The Core i5-9400 packs 6 cores / 6 threads, while the Xeon E-2144G offers 4 cores / 8 threads — the Core i5-9400 has 2 more cores. Boost clocks reach 4.1 GHz on the Core i5-9400 versus 4.5 GHz on the Xeon E-2144G — a 9.3% clock advantage for the Xeon E-2144G (base: 2.9 GHz vs 3.6 GHz). The Core i5-9400 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Xeon E-2144G uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Core i5-9400 scores 9,372 against the Xeon E-2144G's 9,397 — a 0.3% lead for the Xeon E-2144G. L3 cache: 9 MB (total) on the Core i5-9400 vs 8 MB (total) on the Xeon E-2144G.

Feature	Core i5-9400	Xeon E-2144G
Cores / Threads	6 / 6+50%	4 / 8
Boost Clock	4.1 GHz	4.5 GHz+10%
Base Clock	2.9 GHz	3.6 GHz+24%
L3 Cache	9 MB (total)+13%	8 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake (2017−2019)	Coffee Lake-S WS (2018−2019)
PassMark	9,372	9,397

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Memory & Platform

Both processors use the LGA1151 socket with PCIe 3.0.

Feature	Core i5-9400	Xeon E-2144G
Socket	LGA1151	LGA1151
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 E-2144G). The Core i5-9400 includes integrated graphics (UHD Graphics 630), while the Xeon E-2144G requires a dedicated GPU. Primary use case: Core i5-9400 targets Desktop.

Feature	Core i5-9400	Xeon E-2144G
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 E-2144G came in at $2090. On launch pricing ($192 vs $2090), Core i5-9400 was $1898 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-9400 delivers 48.8 pts/$ vs 4.5 pts/$ for the Xeon E-2144G — making the Core i5-9400 the 166.3% better value option.

Feature	Core i5-9400	Xeon E-2144G
MSRP	$192-91%	$2090
Performance per Dollar	48.8+984%	4.5
Release Date	2019	2018

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