Core i9-9900 vs Xeon E7-4809 v2

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 i9-9900 vs Xeon E7-4809 v2 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 i9-9900 vs Xeon E7-4809 v2: Pros, Cons & Final Verdict

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

Core i9-9900

2019

Why buy it

✅Better for gaming: +49.7% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 65W instead of 105W, a 40W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon E7-4809 v2 needs a discrete GPU.

Trade-offs

❌Lower PassMark (16,238 vs 16,471).
❌Launch MSRP is still $423 MSRP, while Xeon E7-4809 v2 mostly shows up through inconsistent older-market listings.

Xeon E7-4809 v2

2014

Why buy it

✅+1.4% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-9900 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (12 MB vs 16 MB).
❌61.5% higher power demand at 105W vs 65W.
❌No integrated graphics, while Core i9-9900 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i9-9900.

Quick Answers

So, is Core i9-9900 better than Xeon E7-4809 v2?

Not really, because they are built for different jobs. Xeon E7-4809 v2 makes more sense for workstation-style multi-core throughput, while Core i9-9900 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 E7-4809 v2 is the stronger fit. You are getting 1.4% better PassMark, backed by 6 cores and 12 threads.

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

Core i9-9900 is the better buy right now. Core i9-9900 comes in at an unclear MSRP at $423 MSRP versus unclear MSRP, and it still gives you a 49.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E7-4809 v2 is still stronger for heavier multi-core work with 1.4% better PassMark. It is also 100.0% better value on MSRP (38.4 vs 0.0 PassMark/$), 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 i9-9900 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2014) and 33.3% larger total L3 cache (16 MB vs 12 MB). That makes it the safer long-term bet.

Core i9-9900 vs Xeon E7-4809 v2 Technical Specifications

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

Core i9-9900

The Core i9-9900 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 3.1 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 16,238 points. Launch price was $439.

Xeon E7-4809 v2

The Xeon E7-4809 v2 is manufactured by Intel. It was released in 2015-01-01. It features 6 cores and 12 threads. Base frequency is 1.9 GHz, with boost up to none. L3 cache: 12 MB. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 16,471 points. Launch price was $800.

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Processing Power

The Core i9-9900 packs 8 cores / 16 threads, while the Xeon E7-4809 v2 offers 6 cores / 12 threads — the Core i9-9900 has 2 more cores. The Core i9-9900 is built on the Coffee Lake-R (2018−2019) architecture. In PassMark, the Core i9-9900 scores 16,238 against the Xeon E7-4809 v2's 16,471 — a 1.4% lead for the Xeon E7-4809 v2. L3 cache: 16 MB (total) on the Core i9-9900 vs 12 MB on the Xeon E7-4809 v2.

Feature	Core i9-9900	Xeon E7-4809 v2
Cores / Threads	8 / 16+33%	6 / 12
Boost Clock	5 GHz	none
Base Clock	3.1 GHz+63%	1.9 GHz
L3 Cache	16 MB (total)+33%	12 MB
L2 Cache	256K (per core)	—
Process	14 nm-36%	22 nm
Architecture	Coffee Lake-R (2018−2019)	—
PassMark	16,238	16,471+1%
Cinebench R23 Multi	7,619	—
Geekbench 6 Single	1,637	—
Geekbench 6 Multi	7,619	—

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Memory & Platform

The Core i9-9900 uses the LGA1151 socket (PCIe 3.0), while the Xeon E7-4809 v2 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i9-9900	Xeon E7-4809 v2
Socket	LGA1151	LGA2011
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i9-9900) / not specified (Xeon E7-4809 v2). The Core i9-9900 includes integrated graphics (UHD Graphics 630), while the Xeon E7-4809 v2 requires a dedicated GPU.