Core 5 120 vs Xeon E7-8891 v3

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 5 120 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 5 120 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 5 120

2025

Why buy it

✅+0.1% higher PassMark.
✅Costs $6,501 less on MSRP ($340 MSRP vs $6,841 MSRP).
✅Delivers 1913.4% more PassMark for each dollar spent, at 63.6 vs 3.2 PassMark/$ ($340 MSRP vs $6,841 MSRP).
✅Draws 65W instead of 165W, a 100W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA2011 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E7-8891 v3 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (18 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

✅Better for gaming: +16.5% higher average FPS across 50 shared CPU benchmark tests.
✅+150% larger total L3 cache (45 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads, plus 32 PCIe lanes vs 0.
✅100+% more PCIe lanes (32 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (21,615 vs 21,629).
❌Lower PassMark per dollar, at 3.2 vs 63.6 PassMark/$ ($6,841 MSRP vs $340 MSRP).
❌153.8% higher power demand at 165W vs 65W.
❌Older platform position on LGA2011 with DDR4, while Core 5 120 moves to LGA1700 and DDR5.

Quick Answers

So, is Core 5 120 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 5 120 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 5 120 is the stronger fit. You are getting 0.1% better PassMark, backed by 6 cores and 12 threads.

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

Core 5 120 is the better buy right now. Core 5 120 comes in $6,501 cheaper on MSRP at $340 MSRP versus $6,841 MSRP, and it still gives you 0.1% better PassMark. The compromise is that Xeon E7-8891 v3 is still the better pure gaming CPU with a 16.5% average FPS lead across 50 shared CPU game tests in our data. It is also 1913.4% better value on MSRP (63.6 vs 3.2 PassMark/$), 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 5 120 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2015), a healthier platform with LGA1700 and DDR5 instead of LGA2011, and more multi-core headroom with 6 cores / 12 threads instead of 10/20. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core 5 120 vs Xeon E7-8891 v3 Technical Specifications

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

Core 5 120

The Core 5 120 is manufactured by Intel. It was released in 31 July 2025 (less than a year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.5 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 21,629 points. Launch price was $211.

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 5 120 packs 6 cores / 12 threads, while the Xeon E7-8891 v3 offers 10 cores / 20 threads — the Xeon E7-8891 v3 has 4 more cores. Boost clocks reach 4.5 GHz on the Core 5 120 versus 3.5 GHz on the Xeon E7-8891 v3 — a 25% clock advantage for the Core 5 120 (base: 2.5 GHz vs 2.8 GHz). The Core 5 120 uses the Raptor Lake-R (2023−2025) architecture (10 nm), while the Xeon E7-8891 v3 uses Haswell-EX (2015) (22 nm). In PassMark, the Core 5 120 scores 21,629 against the Xeon E7-8891 v3's 21,615 — a 0.1% lead for the Core 5 120. L3 cache: 18 MB (total) on the Core 5 120 vs 45 MB (total) on the Xeon E7-8891 v3.

Feature	Core 5 120	Xeon E7-8891 v3
Cores / Threads	6 / 12	10 / 20+67%
Boost Clock	4.5 GHz+29%	3.5 GHz
Base Clock	2.5 GHz	2.8 GHz+12%
L3 Cache	18 MB (total)	45 MB (total)+150%
L2 Cache	1.25 MB (per core)	256K (per core)+20380%
Process	10 nm-55%	22 nm
Architecture	Raptor Lake-R (2023−2025)	Haswell-EX (2015)
PassMark	21,629	21,615
Geekbench 6 Single	—	900
Geekbench 6 Multi	—	9,500

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Memory & Platform

The Core 5 120 uses the LGA1700 socket (PCIe 5.0), while the Xeon E7-8891 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 5 120	Xeon E7-8891 v3
Socket	LGA1700	LGA2011
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	—	DDR4-1866
Max RAM Capacity	—	1536 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	32

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Advanced Features

Virtualization: not specified (Core 5 120) / Yes (Xeon E7-8891 v3).

Feature	Core 5 120	Xeon E7-8891 v3
Integrated GPU	—	No
AVX-512	—	No
Virtualization	—	Yes

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Value Analysis

At launch, the Core 5 120 was priced at $340, while the Xeon E7-8891 v3 came in at $6841. On launch pricing ($340 vs $6841), Core 5 120 was $6501 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 5 120 delivers 63.6 pts/$ vs 3.2 pts/$ for the Xeon E7-8891 v3 — making the Core 5 120 the 181.1% better value option.

Feature	Core 5 120	Xeon E7-8891 v3
MSRP	$340-95%	$6841
Performance per Dollar	63.6+1888%	3.2
Release Date	2025	2015

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