Core i7-9700K vs Xeon E-2278G

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 i7-9700K vs Xeon E-2278G 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 i7-9700K vs Xeon E-2278G: Pros, Cons & Final Verdict

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

Core i7-9700K

2018

Why buy it

✅Better for gaming: +6.3% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (14,397 vs 16,825).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Less compelling for workstation-style loads than Xeon E-2278G, which brings 8 cores / 16 threads.
❌Launch MSRP is still $385 MSRP, while Xeon E-2278G mostly shows up through inconsistent older-market listings.
❌18.8% higher power demand at 95W vs 80W.

Xeon E-2278G

2019

Why buy it

✅+16.9% higher PassMark.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.
✅Draws 80W instead of 95W, a 15W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.

Quick Answers

So, is Xeon E-2278G better than Core i7-9700K?

Not really, because they are built for different jobs. Xeon E-2278G makes more sense for workstation-style multi-core throughput, while Core i7-9700K 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 E-2278G is the stronger fit. You are getting 16.9% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

Xeon E-2278G is still the much better call for a fresh build. Xeon E-2278G comes in at an unclear MSRP at unclear MSRP versus $385 MSRP, and it still gives you 16.9% better PassMark. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), 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 E-2278G makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2018), 33.3% larger total L3 cache (16 MB vs 12 MB), and more multi-core headroom with 8 cores / 16 threads instead of 8/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-9700K vs Xeon E-2278G Technical Specifications

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

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Xeon E-2278G

The Xeon E-2278G is manufactured by Intel. It was released in 29 May 2019 (6 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 16,825 points. Launch price was $494.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Xeon E-2278G's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5 GHz on the Xeon E-2278G — a 2% clock advantage for the Xeon E-2278G (base: 3.6 GHz vs 3.4 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon E-2278G uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon E-2278G's 16,825 — a 15.6% lead for the Xeon E-2278G. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Xeon E-2278G.

Feature	Core i7-9700K	Xeon E-2278G
Cores / Threads	8 / 8	8 / 16
Boost Clock	4.9 GHz	5 GHz+2%
Base Clock	3.6 GHz+6%	3.4 GHz
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Coffee Lake-S WS (2018−2019)
PassMark	14,397	16,825+17%

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Memory & Platform

Both processors use the LGA1151 socket with PCIe 3.0. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Intel 300 series (Core i7-9700K) and C242,C246 (Xeon E-2278G).

Feature	Core i7-9700K	Xeon E-2278G
Socket	LGA1151	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	DDR4-2666
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	16

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Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-9700K) vs VT-x / VT-d / EPT (Xeon E-2278G). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Intel UHD Graphics P630 (Xeon E-2278G) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Xeon E-2278G targets Server.

Feature	Core i7-9700K	Xeon E-2278G
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Intel UHD Graphics P630
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x / VT-d / EPT
Target Use	Desktop	Server