Core i7-9700K vs Xeon Gold 5115

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018
VS
Intel

Xeon Gold 5115

10 Cores20 Thrd85 WWMax: 3.2 GHz2017

Core i7-9700K vs Xeon Gold 5115 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 i7-9700K vs Xeon Gold 5115 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 Gold 5115: 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

  • βœ…Better for gaming: +26.5% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • βœ…Integrated graphics onboard with UHD Graphics 630, while Xeon Gold 5115 needs a discrete GPU.

Trade-offs

  • ❌Lower PassMark (14,397 vs 15,017).
  • ❌Less compelling for workstation-style loads than Xeon Gold 5115, which brings 10 cores / 20 threads.
  • ❌Launch MSRP is still $385 MSRP, while Xeon Gold 5115 mostly shows up through inconsistent older-market listings.

Xeon Gold 5115

2017

Why buy it

  • βœ…+4.3% higher PassMark.
  • βœ…Better for workstations and heavier parallel workloads: 10 cores / 20 threads.
  • βœ…Draws 85W instead of 95W, a 10W reduction.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
  • ❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-9700K better than Xeon Gold 5115?
Not really, because they are built for different jobs. Xeon Gold 5115 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 Gold 5115 is the stronger fit. You are getting 4.3% better PassMark, backed by 10 cores and 20 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-9700K is the better buy right now. Core i7-9700K comes in at an unclear MSRP at $385 MSRP versus unclear MSRP, and it still gives you a 26.5% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Gold 5115 is still stronger for heavier multi-core work with 4.3% better PassMark. It is also 100.0% better value on MSRP (37.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i7-9700K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2017). That makes it the safer long-term bet.

Core i7-9700K vs Xeon Gold 5115 Technical Specifications

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

Intel

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 (2018βˆ’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.

Intel

Xeon Gold 5115

The Xeon Gold 5115 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017βˆ’2018) architecture. It features 10 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 3.2 GHz. L3 cache: 13.75 MB. L2 cache: 10 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2400. Passmark benchmark score: 15,017 points. Launch price was $1,221.

⚑

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Xeon Gold 5115 offers 10 cores / 20 threads β€” the Xeon Gold 5115 has 2 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 3.2 GHz on the Xeon Gold 5115 β€” a 42% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.4 GHz). The Core i7-9700K uses the Coffee Lake-R (2018βˆ’2019) architecture (14 nm), while the Xeon Gold 5115 uses Skylake (server) (2017βˆ’2018) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon Gold 5115's 15,017 β€” a 4.2% lead for the Xeon Gold 5115. L3 cache: 12 MB (total) on the Core i7-9700K vs 13.75 MB on the Xeon Gold 5115.

FeatureCore i7-9700KXeon Gold 5115
Cores / Threads
8 / 8
10 / 20+25%
Boost Clock
4.9 GHz+53%
3.2 GHz
Base Clock
3.6 GHz+50%
2.4 GHz
L3 Cache
12 MB (total)
13.75 MB+15%
L2 Cache
256K (per core)+2460%
10 MB
Process
14 nm
14 nm
Architecture
Coffee Lake-R (2018βˆ’2019)
Skylake (server) (2017βˆ’2018)
PassMark
14,397
15,017+4%
🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon Gold 5115 uses LGA3647 (PCIe 3.0) β€” making them incompatible on the same motherboard.

FeatureCore i7-9700KXeon Gold 5115
Socket
LGA1151
LGA3647
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2666
β€”
Max RAM Capacity
128 GB
β€”
RAM Channels
2
β€”
ECC Support
No
β€”
PCIe Lanes
16
β€”
πŸ”§

Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Xeon Gold 5115). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon Gold 5115 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

FeatureCore i7-9700KXeon Gold 5115
Integrated GPU
Yes
β€”
IGPU Model
UHD Graphics 630
β€”
Unlocked
Yes
β€”
AVX-512
No
β€”
Virtualization
VT-x, VT-d
β€”
Target Use
Desktop
β€”