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 E7-8891 v3 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 E7-8891 v3: 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

✅Costs $6,456 less on MSRP ($385 MSRP vs $6,841 MSRP).
✅Delivers 1083.5% more PassMark for each dollar spent, at 37.4 vs 3.2 PassMark/$ ($385 MSRP vs $6,841 MSRP).
✅Draws 95W instead of 165W, a 70W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon E7-8891 v3 needs a discrete GPU.

Trade-offs

❌Lower PassMark (14,397 vs 21,615).
❌Smaller total L3 cache (12 MB vs 45 MB).
❌Less compelling for workstation-style loads than Xeon E7-8891 v3, which brings 10 cores / 20 threads and 32 PCIe lanes.

Xeon E7-8891 v3

2015

Why buy it

✅+50.1% higher PassMark.
✅+275% larger total L3 cache (45 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads, plus 32 PCIe lanes vs 16.
✅100% more PCIe lanes (32 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 3.2 vs 37.4 PassMark/$ ($6,841 MSRP vs $385 MSRP).
❌73.7% higher power demand at 165W vs 95W.
❌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 E7-8891 v3?

Not really, because they are built for different jobs. Xeon E7-8891 v3 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 E7-8891 v3 is the stronger fit. You are getting 50.1% better PassMark, backed by 10 cores and 20 threads. It also has the larger cache pool with 275% larger total L3 cache (45 MB vs 12 MB).

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 $6,456 cheaper on MSRP at $385 MSRP versus $6,841 MSRP, and it still gives you a 2.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E7-8891 v3 is still stronger for heavier multi-core work with 50.1% better PassMark. It is also 1083.5% better value on MSRP (37.4 vs 3.2 PassMark/$), 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 2015). That makes it the safer long-term bet.

Core i7-9700K vs Xeon E7-8891 v3 Technical Specifications

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

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 E7-8891 v3

The Xeon E7-8891 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EX (2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 45 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 165 Watt. Memory support: DDR4-1333/1600/1866, DDR3-1066/1333/1600. Passmark benchmark score: 21,615 points. Launch price was $800.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Xeon E7-8891 v3 offers 10 cores / 20 threads — the Xeon E7-8891 v3 has 2 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 3.5 GHz on the Xeon E7-8891 v3 — a 33.3% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.8 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon E7-8891 v3 uses Haswell-EX (2015) (22 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon E7-8891 v3's 21,615 — a 40.1% lead for the Xeon E7-8891 v3. L3 cache: 12 MB (total) on the Core i7-9700K vs 45 MB (total) on the Xeon E7-8891 v3.

Feature	Core i7-9700K	Xeon E7-8891 v3
Cores / Threads	8 / 8	10 / 20+25%
Boost Clock	4.9 GHz+40%	3.5 GHz
Base Clock	3.6 GHz+29%	2.8 GHz
L3 Cache	12 MB (total)	45 MB (total)+275%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm-36%	22 nm
Architecture	Coffee Lake-R (2018−2019)	Haswell-EX (2015)
PassMark	14,397	21,615+50%
Geekbench 6 Single	—	900
Geekbench 6 Multi	—	9,500

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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon E7-8891 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR4-1866 on the Xeon E7-8891 v3 — the Core i7-9700K supports 42.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E7-8891 v3 supports up to 1536 GB of RAM compared to 128 GB — 1100% more capacity for professional workloads. Memory channels: 2 (Core i7-9700K) vs 4 (Xeon E7-8891 v3). PCIe lanes: 16 (Core i7-9700K) vs 32 (Xeon E7-8891 v3) — the Xeon E7-8891 v3 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and C602J (Xeon E7-8891 v3).

Feature	Core i7-9700K	Xeon E7-8891 v3
Socket	LGA1151	LGA2011
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666+43%	DDR4-1866
Max RAM Capacity	128 GB	1536 GB+1100%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	16	32+100%

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Advanced Features

Virtualization support: VT-x, VT-d (Core i7-9700K) vs Yes (Xeon E7-8891 v3). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon E7-8891 v3 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

Feature	Core i7-9700K	Xeon E7-8891 v3
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 630	—
Unlocked	Yes	—
AVX-512	No	No
Virtualization	VT-x, VT-d	Yes
Target Use	Desktop	—

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Value Analysis

At launch, the Core i7-9700K was priced at $385, while the Xeon E7-8891 v3 came in at $6841. On launch pricing ($385 vs $6841), Core i7-9700K was $6456 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 3.2 pts/$ for the Xeon E7-8891 v3 — making the Core i7-9700K the 168.8% better value option.

Feature	Core i7-9700K	Xeon E7-8891 v3
MSRP	$385-94%	$6841
Performance per Dollar	37.4+1069%	3.2
Release Date	2018	2015

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