Core i7-9700K vs Xeon E-2378G

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-2378G 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-2378G: 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

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon E-2378G needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E-2378G across 50 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 21,153).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Less compelling for workstation-style loads than Xeon E-2378G, which brings 8 cores / 16 threads.
❌Launch MSRP is still $385 MSRP, while Xeon E-2378G mostly shows up through inconsistent older-market listings.

Xeon E-2378G

2021

Why buy it

✅Better for gaming: +5.4% higher average FPS across 50 shared CPU benchmark tests.
✅+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

❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon E-2378G better than Core i7-9700K?

Not really, because they are built for different jobs. Xeon E-2378G 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 gaming?

If gaming is the priority, Xeon E-2378G 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, Xeon E-2378G is the stronger fit. You are getting 46.9% 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-2378G is still the much better call for a fresh build. Xeon E-2378G comes in at an unclear MSRP at unclear MSRP versus $385 MSRP, and it still gives you a 5.4% average FPS lead across 50 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), 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-2378G makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 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-2378G 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-2378G

The Xeon E-2378G is manufactured by Intel. It was released in 2015-01-01. It is based on the Rocket Lake-E (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 80 Watt. Memory support: DDR4-3200. Passmark benchmark score: 21,153 points. Launch price was $800.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Xeon E-2378G's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.1 GHz on the Xeon E-2378G — a 4% clock advantage for the Xeon E-2378G (base: 3.6 GHz vs 2.8 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon E-2378G uses Rocket Lake-E (2021) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon E-2378G's 21,153 — a 38% lead for the Xeon E-2378G. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Xeon E-2378G.

Feature	Core i7-9700K	Xeon E-2378G
Cores / Threads	8 / 8	8 / 16
Boost Clock	4.9 GHz	5.1 GHz+4%
Base Clock	3.6 GHz+29%	2.8 GHz
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)	512K (per core)+100%
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Rocket Lake-E (2021)
PassMark	14,397	21,153+47%

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon E-2378G uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i7-9700K	Xeon E-2378G
Socket	LGA1151	LGA1200
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	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Xeon E-2378G). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon E-2378G requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.