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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i7-9700K

2018

Why buy it

✅Better for gaming: +15.3% higher average FPS across 30 shared CPU benchmark tests.
✅Draws 95W instead of 140W, a 45W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon Gold 6238 needs a discrete GPU.

Trade-offs

❌Lower PassMark (14,397 vs 29,118).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6238, which brings 22 cores / 44 threads and 48 PCIe lanes.
❌Launch MSRP is still $385 MSRP, while Xeon Gold 6238 mostly shows up through inconsistent older-market listings.

Xeon Gold 6238

2019

Why buy it

✅+102.3% higher PassMark.
✅+152.1% larger total L3 cache (30 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 22 cores / 44 threads, plus 48 PCIe lanes vs 16.
✅200% more PCIe lanes (48 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 30 shared CPU benchmark tests.
❌47.4% higher power demand at 140W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Core i7-9700K

2018

Xeon Gold 6238

2019

Why buy it

✅Better for gaming: +15.3% higher average FPS across 30 shared CPU benchmark tests.
✅Draws 95W instead of 140W, a 45W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon Gold 6238 needs a discrete GPU.

Why buy it

✅+102.3% higher PassMark.
✅+152.1% larger total L3 cache (30 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 22 cores / 44 threads, plus 48 PCIe lanes vs 16.
✅200% more PCIe lanes (48 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (14,397 vs 29,118).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6238, which brings 22 cores / 44 threads and 48 PCIe lanes.
❌Launch MSRP is still $385 MSRP, while Xeon Gold 6238 mostly shows up through inconsistent older-market listings.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 30 shared CPU benchmark tests.
❌47.4% higher power demand at 140W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon Gold 6238 better than Core i7-9700K?

Not in a simple one-size-fits-all way. Xeon Gold 6238 makes more sense for workstation-style multi-core throughput, while Core i7-9700K is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon Gold 6238 is the better fit. You are getting 102.3% better PassMark, backed by 22 cores and 44 threads. It also carries the larger cache pool with 152.1% larger total L3 cache (30 MB vs 12 MB).

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

Xeon Gold 6238 is the smarter buy by a wide margin for a fresh build. Xeon Gold 6238 is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you 102.3% better PassMark. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on LGA1151.

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

Xeon Gold 6238 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2018), 152.1% larger total L3 cache (30 MB vs 12 MB), more multi-core headroom with 22 cores / 44 threads instead of 8/8, and AVX-512 support for heavier modern compute workloads. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i7-9700K Benchmark Check

Xeon Gold 6238 Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Xeon Gold 6238
1080p
low	308 FPS	187 FPS
medium	278 FPS	152 FPS
high	231 FPS	124 FPS
ultra	182 FPS	96 FPS
1440p
low	270 FPS	146 FPS
medium	221 FPS	115 FPS
high	178 FPS	92 FPS
ultra	143 FPS	72 FPS
4K
low	170 FPS	68 FPS
medium	140 FPS	57 FPS
high	108 FPS	45 FPS
ultra	95 FPS	36 FPS

Open Core i7-9700K Open Xeon Gold 6238

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Xeon Gold 6238
1080p
low	360 FPS	214 FPS
medium	321 FPS	189 FPS
high	291 FPS	162 FPS
ultra	259 FPS	137 FPS
1440p
low	324 FPS	185 FPS
medium	282 FPS	168 FPS
high	258 FPS	144 FPS
ultra	225 FPS	121 FPS
4K
low	249 FPS	121 FPS
medium	221 FPS	110 FPS
high	208 FPS	100 FPS
ultra	179 FPS	83 FPS

Open Core i7-9700K Open Xeon Gold 6238

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Xeon Gold 6238
1080p
low	360 FPS	700 FPS
medium	360 FPS	563 FPS
high	360 FPS	510 FPS
ultra	360 FPS	440 FPS
1440p
low	360 FPS	560 FPS
medium	360 FPS	456 FPS
high	360 FPS	413 FPS
ultra	360 FPS	356 FPS
4K
low	360 FPS	407 FPS
medium	360 FPS	317 FPS
high	360 FPS	282 FPS
ultra	318 FPS	226 FPS

Open Core i7-9700K Open Xeon Gold 6238

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Xeon Gold 6238
1080p
low	360 FPS	728 FPS
medium	360 FPS	728 FPS
high	360 FPS	699 FPS
ultra	360 FPS	610 FPS
1440p
low	360 FPS	728 FPS
medium	360 FPS	639 FPS
high	360 FPS	550 FPS
ultra	360 FPS	468 FPS
4K
low	360 FPS	501 FPS
medium	360 FPS	449 FPS
high	360 FPS	400 FPS
ultra	360 FPS	345 FPS

Open Core i7-9700K Open Xeon Gold 6238

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Xeon Gold 6238

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 Gold 6238

The Xeon Gold 6238 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 22 cores and 44 threads. Base frequency is 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 30.25 MB. L2 cache: 22 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2933. Passmark benchmark score: 29,118 points. Launch price was $2,612.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Xeon Gold 6238 offers 22 cores / 44 threads — the Xeon Gold 6238 has 14 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 3.7 GHz on the Xeon Gold 6238 — a 27.9% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.1 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon Gold 6238 uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon Gold 6238's 29,118 — a 67.7% lead for the Xeon Gold 6238. L3 cache: 12 MB (total) on the Core i7-9700K vs 30.25 MB on the Xeon Gold 6238.

Feature	Core i7-9700K	Xeon Gold 6238
Cores / Threads	8 / 8	22 / 44+175%
Boost Clock	4.9 GHz+32%	3.7 GHz
Base Clock	3.6 GHz+71%	2.1 GHz
L3 Cache	12 MB (total)	30.25 MB+152%
L2 Cache	256K (per core)	22 MB+8700%
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Cascade Lake (2019−2020)
PassMark	14,397	29,118+102%

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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon Gold 6238 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus 2933 on the Xeon Gold 6238 — the Xeon Gold 6238 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6238 supports up to 1024 of RAM compared to 128 GB — 155.6% more capacity for professional workloads. Memory channels: 2 (Core i7-9700K) vs 6 (Xeon Gold 6238). PCIe lanes: 16 (Core i7-9700K) vs 48 (Xeon Gold 6238) — the Xeon Gold 6238 offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and C621 (Xeon Gold 6238).

Feature	Core i7-9700K	Xeon Gold 6238
Socket	LGA1151	LGA3647
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	2933+73225%
Max RAM Capacity	128 GB+13107100%	1024
RAM Channels	2	6+200%
ECC Support	No	Yes
PCIe Lanes	16	48+200%

🔧

Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6238 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon Gold 6238 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop. Direct competitor: Xeon Gold 6238 rivals EPYC 7402.