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: +21.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 95W instead of 129W, a 34W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon D-2799 needs a discrete GPU.

Trade-offs

❌Lower PassMark (14,397 vs 33,792).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon D-2799, which brings 20 cores / 40 threads and 32 PCIe lanes.
❌Launch MSRP is still $385 MSRP, while Xeon D-2799 mostly shows up through inconsistent older-market listings.

Xeon D-2799

2022

Why buy it

✅+134.7% higher PassMark.
✅+150% larger total L3 cache (30 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 20 cores / 40 threads, plus 32 PCIe lanes vs 16.
✅100% more PCIe lanes (32 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌35.8% higher power demand at 129W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Core i7-9700K

2018

Xeon D-2799

2022

Why buy it

✅Better for gaming: +21.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 95W instead of 129W, a 34W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon D-2799 needs a discrete GPU.

Why buy it

✅+134.7% higher PassMark.
✅+150% larger total L3 cache (30 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 20 cores / 40 threads, plus 32 PCIe lanes vs 16.
✅100% more PCIe lanes (32 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (14,397 vs 33,792).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon D-2799, which brings 20 cores / 40 threads and 32 PCIe lanes.
❌Launch MSRP is still $385 MSRP, while Xeon D-2799 mostly shows up through inconsistent older-market listings.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌35.8% higher power demand at 129W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon D-2799 better than Core i7-9700K?

Not in a simple one-size-fits-all way. Xeon D-2799 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 D-2799 is the better fit. You are getting 134.7% better PassMark, backed by 20 cores and 40 threads. It also carries the larger cache pool with 150% larger total L3 cache (30 MB vs 12 MB).

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

Xeon D-2799 is the smarter buy by a wide margin for a fresh build. Xeon D-2799 is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you 134.7% better PassMark. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), 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 D-2799 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2018), 150% larger total L3 cache (30 MB vs 12 MB), more multi-core headroom with 20 cores / 40 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 D-2799 Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Xeon D-2799
1080p
low	308 FPS	184 FPS
medium	278 FPS	154 FPS
high	231 FPS	123 FPS
ultra	182 FPS	97 FPS
1440p
low	270 FPS	147 FPS
medium	221 FPS	118 FPS
high	178 FPS	92 FPS
ultra	143 FPS	73 FPS
4K
low	170 FPS	70 FPS
medium	140 FPS	59 FPS
high	108 FPS	46 FPS
ultra	95 FPS	36 FPS

Open Core i7-9700K Open Xeon D-2799

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Xeon D-2799
1080p
low	360 FPS	364 FPS
medium	321 FPS	316 FPS
high	291 FPS	262 FPS
ultra	259 FPS	213 FPS
1440p
low	324 FPS	313 FPS
medium	282 FPS	281 FPS
high	258 FPS	238 FPS
ultra	225 FPS	190 FPS
4K
low	249 FPS	202 FPS
medium	221 FPS	183 FPS
high	208 FPS	155 FPS
ultra	179 FPS	124 FPS

Open Core i7-9700K Open Xeon D-2799

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Xeon D-2799
1080p
low	360 FPS	721 FPS
medium	360 FPS	581 FPS
high	360 FPS	504 FPS
ultra	360 FPS	441 FPS
1440p
low	360 FPS	587 FPS
medium	360 FPS	478 FPS
high	360 FPS	415 FPS
ultra	360 FPS	362 FPS
4K
low	360 FPS	429 FPS
medium	360 FPS	333 FPS
high	360 FPS	285 FPS
ultra	318 FPS	229 FPS

Open Core i7-9700K Open Xeon D-2799

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Xeon D-2799
1080p
low	360 FPS	845 FPS
medium	360 FPS	785 FPS
high	360 FPS	680 FPS
ultra	360 FPS	585 FPS
1440p
low	360 FPS	682 FPS
medium	360 FPS	596 FPS
high	360 FPS	513 FPS
ultra	360 FPS	442 FPS
4K
low	360 FPS	466 FPS
medium	360 FPS	418 FPS
high	360 FPS	373 FPS
ultra	360 FPS	326 FPS

Open Core i7-9700K Open Xeon D-2799

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Xeon D-2799

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 D-2799

The Xeon D-2799 is manufactured by Intel. It was released in 24 February 2022 (3 years ago). It is based on the Ice Lake-D (2022−2023) architecture. It features 20 cores and 40 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA2579. Thermal design power (TDP): 129 Watt. Memory support: DDR4. Passmark benchmark score: 33,792 points. Launch price was $1,972.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Xeon D-2799 offers 20 cores / 40 threads — the Xeon D-2799 has 12 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 3.4 GHz on the Xeon D-2799 — a 36.1% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.4 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon D-2799 uses Ice Lake-D (2022−2023) (10 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon D-2799's 33,792 — a 80.5% lead for the Xeon D-2799. L3 cache: 12 MB (total) on the Core i7-9700K vs 30 MB (total) on the Xeon D-2799.

Feature	Core i7-9700K	Xeon D-2799
Cores / Threads	8 / 8	20 / 40+150%
Boost Clock	4.9 GHz+44%	3.4 GHz
Base Clock	3.6 GHz+50%	2.4 GHz
L3 Cache	12 MB (total)	30 MB (total)+150%
L2 Cache	256K (per core)	1.25 MB (per core)+400%
Process	14 nm	10 nm-29%
Architecture	Coffee Lake-R (2018−2019)	Ice Lake-D (2022−2023)
PassMark	14,397	33,792+135%
Cinebench R23 Multi	—	20,000
Geekbench 6 Single	—	1,959
Geekbench 6 Multi	—	1,895

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon D-2799 uses FCBGA2579 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. The Xeon D-2799 supports up to 1024 GB of RAM compared to 128 GB — 155.6% more capacity for professional workloads. Memory channels: 2 (Core i7-9700K) vs 4 (Xeon D-2799). PCIe lanes: 16 (Core i7-9700K) vs 32 (Xeon D-2799) — the Xeon D-2799 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and Ice Lake-D (Xeon D-2799).

Feature	Core i7-9700K	Xeon D-2799
Socket	LGA1151	FCBGA2579
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR4-3200
Max RAM Capacity	128 GB	1024 GB+700%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	16	32+100%

🔧

Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon D-2799 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-9700K) vs VT-x, VT-d, EPT (Xeon D-2799). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon D-2799 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Xeon D-2799 targets Edge Server / Networking. Direct competitor: Xeon D-2799 rivals EPYC 7302.

Feature	Core i7-9700K	Xeon D-2799
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 630	—
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	Desktop	Edge Server / Networking