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 i3-9300T vs Xeon E3-1275L 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 i3-9300T vs Xeon E3-1275L 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 i3-9300T

2019

Why buy it

✅+8.8% higher Geekbench multi-core.
✅Costs $41 less on MSRP ($309 MSRP vs $350 MSRP).
✅Delivers 13.2% more PassMark for each dollar spent, at 20.5 vs 18.1 PassMark/$ ($309 MSRP vs $350 MSRP).
✅Draws 35W instead of 45W, a 10W reduction.
✅Includes a boxed cooler (Intel Stock), unlike Xeon E3-1275L v3.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E3-1275L v3 across 50 shared CPU benchmark tests.
❌Less compelling for workstation-style loads than Xeon E3-1275L v3, which brings 4 cores / 8 threads.

Xeon E3-1275L v3

2014

Why buy it

✅Better for gaming: +12.2% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌Lower Geekbench multi-core (3,000 vs 3,265).
❌Lower PassMark per dollar, at 18.1 vs 20.5 PassMark/$ ($350 MSRP vs $309 MSRP).
❌28.6% higher power demand at 45W vs 35W.
❌No boxed cooler included, unlike Core i3-9300T.

Quick Answers

So, is Core i3-9300T better than Xeon E3-1275L v3?

Not really, because they are built for different jobs. Xeon E3-1275L v3 makes more sense for workstation-style multi-core throughput, while Core i3-9300T 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 i3-9300T is the stronger fit. You are getting 8.8% better Geekbench multi-core, backed by 4 cores and 4 threads.

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

Core i3-9300T is the better buy right now. Core i3-9300T comes in $41 cheaper on MSRP at $309 MSRP versus $350 MSRP, and it still gives you 8.8% better Geekbench multi-core. The compromise is that Xeon E3-1275L v3 is still the better pure gaming CPU with a 12.2% average FPS lead across 50 shared CPU game tests in our data. It is also 13.2% better value on MSRP (20.5 vs 18.1 PassMark/$), 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 i3-9300T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2014) and more multi-core headroom with 4 cores / 4 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-9300T vs Xeon E3-1275L v3 Technical Specifications

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

Core i3-9300T

The Core i3-9300T is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2400. Passmark benchmark score: 6,323 points. Launch price was $143.

Xeon E3-1275L v3

The Xeon E3-1275L v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 2.7 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 6,327 points. Launch price was $800.

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Processing Power

The Core i3-9300T packs 4 cores / 4 threads, matching the Xeon E3-1275L v3's 4 cores. Boost clocks reach 3.8 GHz on the Core i3-9300T versus 3.9 GHz on the Xeon E3-1275L v3 — a 2.6% clock advantage for the Xeon E3-1275L v3 (base: 3.2 GHz vs 2.7 GHz). The Core i3-9300T is built on the Coffee Lake (2017−2019) architecture. In PassMark, the Core i3-9300T scores 6,323 against the Xeon E3-1275L v3's 6,327 — a 0.1% lead for the Xeon E3-1275L v3. Geekbench 6 single-core — the metric most relevant to gaming — records 1,000 vs 900, a 10.5% lead for the Core i3-9300T that directly translates to higher frame rates. Multi-core Geekbench: 3,265 vs 3,000 (8.5% advantage for the Core i3-9300T). L3 cache: 8 MB on the Core i3-9300T vs 8 MB Intel® Smart Cache on the Xeon E3-1275L v3.

Feature	Core i3-9300T	Xeon E3-1275L v3
Cores / Threads	4 / 4	4 / 8
Boost Clock	3.8 GHz	3.9 GHz+3%
Base Clock	3.2 GHz+19%	2.7 GHz
L3 Cache	8 MB	8 MB Intel® Smart Cache
L2 Cache	1 MB	—
Process	14 nm-36%	22 nm
Architecture	Coffee Lake (2017−2019)	—
PassMark	6,323	6,327
Geekbench 6 Single	1,000+11%	900
Geekbench 6 Multi	3,265+9%	3,000

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Memory & Platform

The Core i3-9300T uses the LGA1151 socket (PCIe 3.0), while the Xeon E3-1275L v3 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-9300T versus DDR3-1600 on the Xeon E3-1275L v3 — the Core i3-9300T supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-9300T supports up to 64 GB of RAM compared to 32 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H310,B360,H370,Z370,Z390 (Core i3-9300T) and C220,C226 (Xeon E3-1275L v3).

Feature	Core i3-9300T	Xeon E3-1275L v3
Socket	LGA1151	LGA1150
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400+50%	DDR3-1600
Max RAM Capacity	64 GB+100%	32 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i3-9300T) vs VT-x, VT-d (Xeon E3-1275L v3). Both include integrated graphics — Intel UHD Graphics 630 (Core i3-9300T) and Intel HD Graphics P4600 (Xeon E3-1275L v3) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-9300T targets Low Power Desktop, Xeon E3-1275L v3 targets Low Power Server. Direct competitor: Xeon E3-1275L v3 rivals Xeon E3-1270 v3.

Feature	Core i3-9300T	Xeon E3-1275L v3
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 630	Intel HD Graphics P4600
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Low Power Desktop	Low Power Server

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Value Analysis

At launch, the Core i3-9300T was priced at $309, while the Xeon E3-1275L v3 came in at $350. On launch pricing ($309 vs $350), Core i3-9300T was $41 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-9300T delivers 20.5 pts/$ vs 18.1 pts/$ for the Xeon E3-1275L v3 — making the Core i3-9300T the 12.4% better value option.

Feature	Core i3-9300T	Xeon E3-1275L v3
MSRP	$309-12%	$350
Performance per Dollar	20.5+13%	18.1
Release Date	2019	2014

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