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 i9-10900K vs Xeon E5-4640 v4 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 i9-10900K vs Xeon E5-4640 v4: Pros, Cons & Final Verdict

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

Core i9-10900K

2020

Why buy it

✅Better for gaming: +16.5% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,338 less on MSRP ($499 MSRP vs $2,837 MSRP).
✅Delivers 464.1% more PassMark for each dollar spent, at 44.9 vs 8.0 PassMark/$ ($499 MSRP vs $2,837 MSRP).
✅Integrated graphics onboard with UHD Graphics 630, while Xeon E5-4640 v4 needs a discrete GPU.

Trade-offs

❌Lower PassMark (22,382 vs 22,559).
❌Smaller total L3 cache (20 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-4640 v4, which brings 12 cores / 24 threads and 40 PCIe lanes.
❌19% higher power demand at 125W vs 105W.

Xeon E5-4640 v4

2016

Why buy it

✅+0.8% higher PassMark.
✅+50% larger total L3 cache (30 MB vs 20 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 40 PCIe lanes vs 16.
✅Draws 105W instead of 125W, a 20W reduction.
✅150% more PCIe lanes (40 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-10900K across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 8.0 vs 44.9 PassMark/$ ($2,837 MSRP vs $499 MSRP).
❌No integrated graphics, while Core i9-10900K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-10900K better than Xeon E5-4640 v4?

Not really, because they are built for different jobs. Xeon E5-4640 v4 makes more sense for workstation-style multi-core throughput, while Core i9-10900K 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 E5-4640 v4 is the stronger fit. You are getting 0.8% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 50% larger total L3 cache (30 MB vs 20 MB).

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

Core i9-10900K is the better buy right now. Core i9-10900K comes in $2,338 cheaper on MSRP at $499 MSRP versus $2,837 MSRP, and it still gives you a 16.5% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-4640 v4 is still stronger for heavier multi-core work with 0.8% better PassMark. It is also 464.1% better value on MSRP (44.9 vs 8.0 PassMark/$), 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 i9-10900K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2016). That makes it the safer long-term bet.

Core i9-10900K vs Xeon E5-4640 v4 Technical Specifications

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

Core i9-10900K

The Core i9-10900K 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 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 5.2 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 22,382 points. Launch price was $488.

Xeon E5-4640 v4

The Xeon E5-4640 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 12 cores and 24 threads. Base frequency is 2.1 GHz, with boost up to 2.6 GHz. L3 cache: 30 MB. L2 cache: 3 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 22,559 points. Launch price was $2,837.

⚡

Processing Power

The Core i9-10900K packs 10 cores / 20 threads, while the Xeon E5-4640 v4 offers 12 cores / 24 threads — the Xeon E5-4640 v4 has 2 more cores. Boost clocks reach 5.2 GHz on the Core i9-10900K versus 2.6 GHz on the Xeon E5-4640 v4 — a 66.7% clock advantage for the Core i9-10900K (base: 3.7 GHz vs 2.1 GHz). The Core i9-10900K uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon E5-4640 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i9-10900K scores 22,382 against the Xeon E5-4640 v4's 22,559 — a 0.8% lead for the Xeon E5-4640 v4. L3 cache: 20 MB (total) on the Core i9-10900K vs 30 MB on the Xeon E5-4640 v4.

Feature	Core i9-10900K	Xeon E5-4640 v4
Cores / Threads	10 / 20	12 / 24+20%
Boost Clock	5.2 GHz+100%	2.6 GHz
Base Clock	3.7 GHz+76%	2.1 GHz
L3 Cache	20 MB (total)	30 MB+50%
L2 Cache	256 kB (per core)	3 MB+1100%
Process	14 nm	14 nm
Architecture	Comet Lake (2020−2025)	Broadwell (2015−2019)
PassMark	22,382	22,559

🧠

Memory & Platform

The Core i9-10900K uses the LGA1200 socket (PCIe 3.0), while the Xeon E5-4640 v4 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Core i9-10900K versus DDR4 2133 MHz on the Xeon E5-4640 v4 — the Core i9-10900K supports 37.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-4640 v4 supports up to 1.5 TB of RAM compared to 128 GB — 1100% more capacity for professional workloads. Memory channels: 2 (Core i9-10900K) vs 4 (Xeon E5-4640 v4). PCIe lanes: 16 (Core i9-10900K) vs 40 (Xeon E5-4640 v4) — the Xeon E5-4640 v4 offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 400 series (Core i9-10900K) and Intel C612 (Xeon E5-4640 v4).

Feature	Core i9-10900K	Xeon E5-4640 v4
Socket	LGA1200	LGA2011
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2933+38%	DDR4 2133 MHz
Max RAM Capacity	128 GB	1.5 TB+1100%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	16	40+150%

🔧

Advanced Features

Only the Core i9-10900K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i9-10900K) vs true (Xeon E5-4640 v4). The Core i9-10900K includes integrated graphics (UHD Graphics 630), while the Xeon E5-4640 v4 requires a dedicated GPU. Primary use case: Core i9-10900K targets Desktop, Xeon E5-4640 v4 targets Server.

Feature	Core i9-10900K	Xeon E5-4640 v4
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 630	—
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	true
Target Use	Desktop	Server

💰

Value Analysis

At launch, the Core i9-10900K was priced at $499, while the Xeon E5-4640 v4 came in at $2837. On launch pricing ($499 vs $2837), Core i9-10900K was $2338 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-10900K delivers 44.9 pts/$ vs 8.0 pts/$ for the Xeon E5-4640 v4 — making the Core i9-10900K the 139.8% better value option.

Feature	Core i9-10900K	Xeon E5-4640 v4
MSRP	$499-82%	$2837
Performance per Dollar	44.9+461%	8.0
Release Date	2020	2016

Search Core i9-10900K on Amazon

Search Xeon E5-4640 v4 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.