Core i3-10300 vs Xeon E3-1275 v6

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 i3-10300 vs Xeon E3-1275 v6 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 i3-10300 vs Xeon E3-1275 v6: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i3-10300

2020

Why buy it

✅Draws 62W instead of 73W, a 11W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon E3-1275 v6

2017

Why buy it

Trade-offs

❌Lower PassMark (9,202 vs 9,290).
❌Launch MSRP is still $499 MSRP, while Core i3-10300 mostly shows up through inconsistent older-market listings.
❌17.7% higher power demand at 73W vs 62W.

Quick Answers

So, is Core i3-10300 better than Xeon E3-1275 v6?

Not really, because they are built for different jobs. Xeon E3-1275 v6 makes more sense for workstation-style multi-core throughput, while Core i3-10300 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i3-10300 is the better pick. According to our tests, it delivers 2.9% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i3-10300 is the stronger fit. You are getting 1% better PassMark, backed by 4 cores and 8 threads.

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

Core i3-10300 is still the faster CPU overall, but Xeon E3-1275 v6 is easier to justify if budget matters more than peak performance. Core i3-10300 comes in at an unclear MSRP at unclear MSRP versus $499 MSRP, and it still gives you a 2.9% average FPS lead across 50 shared CPU game tests in our data. Xeon E3-1275 v6 is also 100.0% better value on MSRP (18.4 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i3-10300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017) and more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-10300 vs Xeon E3-1275 v6 Technical Specifications

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

Core i3-10300

The Core i3-10300 is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 9,290 points. Launch price was $149.

Xeon E3-1275 v6

The Xeon E3-1275 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 73 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 9,202 points. Launch price was $339.

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Processing Power

Both the Core i3-10300 and Xeon E3-1275 v6 share an identical 4-core/8-thread configuration. Boost clocks reach 4.4 GHz on the Core i3-10300 versus 4.2 GHz on the Xeon E3-1275 v6 — a 4.7% clock advantage for the Core i3-10300 (base: 3.7 GHz vs 3.8 GHz). The Core i3-10300 uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon E3-1275 v6 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core i3-10300 scores 9,290 against the Xeon E3-1275 v6's 9,202 — a 1% lead for the Core i3-10300. L3 cache: 8 MB (total) on the Core i3-10300 vs 8 MB on the Xeon E3-1275 v6.

Feature	Core i3-10300	Xeon E3-1275 v6
Cores / Threads	4 / 8	4 / 8
Boost Clock	4.4 GHz+5%	4.2 GHz
Base Clock	3.7 GHz	3.8 GHz+3%
L3 Cache	8 MB (total)	8 MB
L2 Cache	256K (per core)+25500%	1 MB
Process	14 nm	14 nm
Architecture	Comet Lake (2020−2025)	Kaby Lake (2016−2019)
PassMark	9,290	9,202

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Memory & Platform

The Core i3-10300 uses the LGA1200 socket (PCIe 3.0), while the Xeon E3-1275 v6 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.