Core i7-5820K vs Xeon E-2234

Intel

Core i7-5820K

6 Cores12 Thrd140 WWMax: 3.6 GHz2014
VS
Intel

Xeon E-2234

4 Cores8 Thrd71 WWMax: 4.8 GHz2019
Similar parts
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Core i7-5820K vs Xeon E-2234 Performance Spectrum

About PassMark

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-2234 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-2234: 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

  • +1.9% 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-2234 across 50 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 25.3 vs 38.6 PassMark/$ ($389 MSRP vs $250 MSRP).
  • 97.2% higher power demand at 140W vs 71W.

Xeon E-2234

2019

Why buy it

  • Better for gaming: +9.2% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $139 less on MSRP ($250 MSRP vs $389 MSRP).
  • Delivers 52.6% more PassMark for each dollar spent, at 38.6 vs 25.3 PassMark/$ ($250 MSRP vs $389 MSRP).
  • Draws 71W instead of 140W, a 69W reduction.

Trade-offs

  • Lower PassMark (9,639 vs 9,826).
  • Smaller total L3 cache (8 MB vs 15 MB).

Quick Answers

So, is Xeon E-2234 better than Core i7-5820K?
Not really, because they are built for different jobs. Xeon E-2234 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 1.9% 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-2234 is the better buy right now. Xeon E-2234 comes in $139 cheaper on MSRP at $250 MSRP versus $389 MSRP, and it still gives you a 9.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i7-5820K is still stronger for heavier multi-core work with 1.9% better PassMark. It is also 52.6% better value on MSRP (38.6 vs 25.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon E-2234 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-2234 Technical Specifications

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

Intel

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.

Intel

Xeon E-2234

The Xeon E-2234 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 3.6 GHz, with boost up to 4.8 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: 9,639 points. Launch price was $250.

Processing Power

The Core i7-5820K packs 6 cores / 12 threads, while the Xeon E-2234 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 4.8 GHz on the Xeon E-2234 — a 28.6% clock advantage for the Xeon E-2234 (base: 3.3 GHz vs 3.6 GHz). The Core i7-5820K uses the Haswell-E (2014) architecture (22 nm), while the Xeon E-2234 uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Core i7-5820K scores 9,826 against the Xeon E-2234's 9,639 — a 1.9% lead for the Core i7-5820K. L3 cache: 15 MB (total) on the Core i7-5820K vs 8 MB (total) on the Xeon E-2234.

FeatureCore i7-5820KXeon E-2234
Cores / Threads
6 / 12+50%
4 / 8
Boost Clock
3.6 GHz
4.8 GHz+33%
Base Clock
3.3 GHz
3.6 GHz+9%
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+2%
9,639
Cinebench R23 Multi
5,700
Geekbench 6 Single
1,134
Geekbench 6 Multi
5,383
🧠

Memory & Platform

The Core i7-5820K uses the LGA2011 socket (PCIe 3.0), while the Xeon E-2234 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i7-5820KXeon E-2234
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
🔧

Advanced Features

Virtualization: Yes (Core i7-5820K) / not specified (Xeon E-2234). Primary use case: Core i7-5820K targets Enthusiast Workstation. Direct competitor: Core i7-5820K rivals Ryzen 5 1600.

FeatureCore i7-5820KXeon E-2234
Integrated GPU
No
Unlocked
Yes
AVX-512
No
Virtualization
Yes
Target Use
Enthusiast Workstation
💰

Value Analysis

At launch, the Core i7-5820K was priced at $389, while the Xeon E-2234 came in at $250. On launch pricing ($389 vs $250), Xeon E-2234 was $139 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-5820K delivers 25.3 pts/$ vs 38.6 pts/$ for the Xeon E-2234 — making the Xeon E-2234 the 41.7% better value option.

FeatureCore i7-5820KXeon E-2234
MSRP
$389
$250-36%
Performance per Dollar
25.3
38.6+53%
Release Date
2014
2019

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