Core i7-5820K vs Xeon E-2274G

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 i7-5820K vs Xeon E-2274G 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 i7-5820K vs Xeon E-2274G: Pros, Cons & Final Verdict

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

Core i7-5820K

2014

Why buy it

✅+0.2% higher PassMark.
✅+87.5% larger total L3 cache (15 MB vs 8 MB).
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E-2274G across 50 shared CPU benchmark tests.
❌Launch MSRP is still $389 MSRP, while Xeon E-2274G mostly shows up through inconsistent older-market listings.
❌68.7% higher power demand at 140W vs 83W.

Xeon E-2274G

2019

Why buy it

✅Better for gaming: +16.8% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 83W instead of 140W, a 57W reduction.

Trade-offs

❌Lower PassMark (9,803 vs 9,826).
❌Smaller total L3 cache (8 MB vs 15 MB).

Quick Answers

So, is Xeon E-2274G better than Core i7-5820K?

Not really, because they are built for different jobs. Xeon E-2274G makes more sense for workstation-style multi-core throughput, while Core i7-5820K 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, Core i7-5820K is the stronger fit. You are getting 0.2% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 87.5% larger total L3 cache (15 MB vs 8 MB).

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

Xeon E-2274G is still the much better call for a fresh build. Xeon E-2274G comes in at an unclear MSRP at unclear MSRP versus $389 MSRP, and it still gives you a 16.8% average FPS lead across 50 shared CPU game tests in our data. Core i7-5820K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2014 platform. Even with 100.0% better value on paper (25.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA2011.

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

Xeon E-2274G 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 i7-5820K vs Xeon E-2274G Technical Specifications

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

Core i7-5820K

The Core i7-5820K is manufactured by Intel. It was released in 1 September 2014 (11 years ago). It is based on the Haswell-E (2014) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 3.6 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 9,826 points. Launch price was $410.

Xeon E-2274G

The Xeon E-2274G 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 4 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 83 Watt. Memory support: DDR4-2666. Passmark benchmark score: 9,803 points. Launch price was $328.

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Processing Power

The Core i7-5820K packs 6 cores / 12 threads, while the Xeon E-2274G offers 4 cores / 8 threads — the Core i7-5820K has 2 more cores. Boost clocks reach 3.6 GHz on the Core i7-5820K versus 4.9 GHz on the Xeon E-2274G — a 30.6% clock advantage for the Xeon E-2274G (base: 3.3 GHz vs 4 GHz). The Core i7-5820K uses the Haswell-E (2014) architecture (22 nm), while the Xeon E-2274G uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Core i7-5820K scores 9,826 against the Xeon E-2274G's 9,803 — a 0.2% lead for the Core i7-5820K. L3 cache: 15 MB (total) on the Core i7-5820K vs 8 MB (total) on the Xeon E-2274G.

Feature	Core i7-5820K	Xeon E-2274G
Cores / Threads	6 / 12+50%	4 / 8
Boost Clock	3.6 GHz	4.9 GHz+36%
Base Clock	3.3 GHz	4 GHz+21%
L3 Cache	15 MB (total)+88%	8 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	22 nm	14 nm-36%
Architecture	Haswell-E (2014)	Coffee Lake-S WS (2018−2019)
PassMark	9,826	9,803
Cinebench R23 Multi	5,700	—
Geekbench 6 Single	1,134	—
Geekbench 6 Multi	5,383	—

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Memory & Platform

The Core i7-5820K uses the LGA2011 socket (PCIe 3.0), while the Xeon E-2274G uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-5820K	Xeon E-2274G
Socket	LGA2011	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2133	—
Max RAM Capacity	64 GB	—
RAM Channels	4	—
ECC Support	No	—
PCIe Lanes	28	—

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Advanced Features

Virtualization: Yes (Core i7-5820K) / not specified (Xeon E-2274G). Primary use case: Core i7-5820K targets Enthusiast Workstation. Direct competitor: Core i7-5820K rivals Ryzen 5 1600.