Core i9-9900T vs Xeon E5-2676 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 i9-9900T vs Xeon E5-2676 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 i9-9900T vs Xeon E5-2676 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 i9-9900T

2019

Why buy it

✅Better for gaming: +5.5% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,377 less on MSRP ($423 MSRP vs $1,800 MSRP).
✅Delivers 326.5% more PassMark for each dollar spent, at 31.2 vs 7.3 PassMark/$ ($423 MSRP vs $1,800 MSRP).
✅Draws 35W instead of 120W, a 85W reduction.

Trade-offs

❌Smaller total L3 cache (16 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-2676 V3, which brings 12 cores / 24 threads.

Xeon E5-2676 V3

2015

Why buy it

✅+87.5% larger total L3 cache (30 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-9900T across 50 shared CPU benchmark tests.
❌Lower PassMark (13,178 vs 13,208).
❌Lower PassMark per dollar, at 7.3 vs 31.2 PassMark/$ ($1,800 MSRP vs $423 MSRP).
❌242.9% higher power demand at 120W vs 35W.

Quick Answers

So, is Core i9-9900T better than Xeon E5-2676 V3?

Not really, because they are built for different jobs. Xeon E5-2676 V3 makes more sense for workstation-style multi-core throughput, while Core i9-9900T 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 i9-9900T is the better pick. According to our tests, it delivers 5.5% 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 i9-9900T is the stronger fit. You are getting 0.2% better PassMark, backed by 8 cores and 16 threads.

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

Core i9-9900T is the better buy right now. Core i9-9900T comes in $1,377 cheaper on MSRP at $423 MSRP versus $1,800 MSRP, and it still gives you a 5.5% average FPS lead across 50 shared CPU game tests in our data. It is also 326.5% better value on MSRP (31.2 vs 7.3 PassMark/$), 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 i9-9900T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2015) and more multi-core headroom with 8 cores / 16 threads instead of 12/24. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-9900T vs Xeon E5-2676 V3 Technical Specifications

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

Core i9-9900T

The Core i9-9900T is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 4.4 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 13,208 points. Launch price was $439.

Xeon E5-2676 V3

The Xeon E5-2676 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 3 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 120 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 13,178 points. Launch price was $800.

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Processing Power

The Core i9-9900T packs 8 cores / 16 threads, while the Xeon E5-2676 V3 offers 12 cores / 24 threads — the Xeon E5-2676 V3 has 4 more cores. Boost clocks reach 4.4 GHz on the Core i9-9900T versus 3 GHz on the Xeon E5-2676 V3 — a 37.8% clock advantage for the Core i9-9900T (base: 2.1 GHz vs 2.4 GHz). The Core i9-9900T uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon E5-2676 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i9-9900T scores 13,208 against the Xeon E5-2676 V3's 13,178 — a 0.2% lead for the Core i9-9900T. L3 cache: 16 MB (total) on the Core i9-9900T vs 30 MB (total) on the Xeon E5-2676 V3.

Feature	Core i9-9900T	Xeon E5-2676 V3
Cores / Threads	8 / 16	12 / 24+50%
Boost Clock	4.4 GHz+47%	3 GHz
Base Clock	2.1 GHz	2.4 GHz+14%
L3 Cache	16 MB (total)	30 MB (total)+88%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm-36%	22 nm
Architecture	Coffee Lake-R (2018−2019)	Haswell-EP (2014−2015)
PassMark	13,208	13,178

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Memory & Platform

The Core i9-9900T uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-2676 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i9-9900T	Xeon E5-2676 V3
Socket	LGA1151	LGA2011-3
PCIe Generation	PCIe 3.0	PCIe 3.0

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Value Analysis

At launch, the Core i9-9900T was priced at $423, while the Xeon E5-2676 V3 came in at $1800. On launch pricing ($423 vs $1800), Core i9-9900T was $1377 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-9900T delivers 31.2 pts/$ vs 7.3 pts/$ for the Xeon E5-2676 V3 — making the Core i9-9900T the 124% better value option.

Feature	Core i9-9900T	Xeon E5-2676 V3
MSRP	$423-77%	$1800
Performance per Dollar	31.2+327%	7.3
Release Date	2019	2015

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