Core i9-10900T vs Xeon E5-2658A V3

Intel

Core i9-10900T

10 Cores20 Thrd35 WWMax: 4.6 GHz2020
Core family
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VS
Intel

Xeon E5-2658A V3

12 Cores24 Thrd105 WWMax: 2.9 GHz2015
Similar parts
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Core i9-10900T vs Xeon E5-2658A V3 Performance Spectrum

About PassMark

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 i9-10900T vs Xeon E5-2658A 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 i9-10900T vs Xeon E5-2658A 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 i9-10900T

2020

Why buy it

  • Better for gaming: +12.9% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $1,712 less on MSRP ($120 MSRP vs $1,832 MSRP).
  • Delivers 1411.1% more PassMark for each dollar spent, at 122.7 vs 8.1 PassMark/$ ($120 MSRP vs $1,832 MSRP).
  • Draws 35W instead of 105W, a 70W reduction.
  • Integrated graphics onboard with Intel UHD Graphics 630, while Xeon E5-2658A V3 needs a discrete GPU.

Trade-offs

  • Lower PassMark (14,727 vs 14,879).
  • Smaller total L3 cache (20 MB vs 30 MB).
  • Less compelling for workstation-style loads than Xeon E5-2658A V3, which brings 12 cores / 24 threads and 40 PCIe lanes.

Xeon E5-2658A V3

2015

Why buy it

  • +1% 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.
  • 150% more PCIe lanes (40 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core i9-10900T across 50 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 8.1 vs 122.7 PassMark/$ ($1,832 MSRP vs $120 MSRP).
  • 200% higher power demand at 105W vs 35W.
  • No integrated graphics, while Core i9-10900T can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-10900T better than Xeon E5-2658A V3?
Not really, because they are built for different jobs. Xeon E5-2658A V3 makes more sense for workstation-style multi-core throughput, while Core i9-10900T 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 E5-2658A V3 is the stronger fit. You are getting 1% 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 i9-10900T is the better buy right now. Core i9-10900T comes in $1,712 cheaper on MSRP at $120 MSRP versus $1,832 MSRP, and it still gives you a 12.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-2658A V3 is still stronger for heavier multi-core work with 1% better PassMark. It is also 1411.1% better value on MSRP (122.7 vs 8.1 PassMark/$), 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 i9-10900T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2015). That makes it the safer long-term bet.

Core i9-10900T vs Xeon E5-2658A V3 Technical Specifications

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

Intel

Core i9-10900T

The Core i9-10900T is manufactured by Intel. It was released in 1 April 2020 (5 years ago). It features 10 cores and 20 threads. Base frequency is 1.9 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2933. Passmark benchmark score: 14,727 points. Launch price was $149.

Intel

Xeon E5-2658A V3

The Xeon E5-2658A 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 2.2 GHz, with boost up to 2.9 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2133. Passmark benchmark score: 14,879 points. Launch price was $800.

Processing Power

The Core i9-10900T packs 10 cores / 20 threads, while the Xeon E5-2658A V3 offers 12 cores / 24 threads — the Xeon E5-2658A V3 has 2 more cores. Boost clocks reach 4.6 GHz on the Core i9-10900T versus 2.9 GHz on the Xeon E5-2658A V3 — a 45.3% clock advantage for the Core i9-10900T (base: 1.9 GHz vs 2.2 GHz). The Xeon E5-2658A V3 is built on the Haswell-EP (2014−2015) architecture. In PassMark, the Core i9-10900T scores 14,727 against the Xeon E5-2658A V3's 14,879 — a 1% lead for the Xeon E5-2658A V3. L3 cache: 20 MB Intel® Smart Cache on the Core i9-10900T vs 30 MB (total) on the Xeon E5-2658A V3.

FeatureCore i9-10900TXeon E5-2658A V3
Cores / Threads
10 / 20
12 / 24+20%
Boost Clock
4.6 GHz+59%
2.9 GHz
Base Clock
1.9 GHz
2.2 GHz+16%
L3 Cache
20 MB Intel® Smart Cache
30 MB (total)+50%
L2 Cache
256K (per core)
Process
14 nm-36%
22 nm
Architecture
Haswell-EP (2014−2015)
PassMark
14,727
14,879+1%
Geekbench 6 Single
1,710
Geekbench 6 Multi
7,476
🧠

Memory & Platform

The Core i9-10900T uses the LGA1200 socket (PCIe 3.0), while the Xeon E5-2658A V3 uses LGA2011-3 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Core i9-10900T versus DDR4-2133 on the Xeon E5-2658A V3 — the Core i9-10900T supports 37.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-2658A V3 supports up to 768 GB of RAM compared to 128 GB 500% more capacity for professional workloads. Memory channels: 2 (Core i9-10900T) vs 4 (Xeon E5-2658A V3). PCIe lanes: 16 (Core i9-10900T) vs 40 (Xeon E5-2658A V3) — the Xeon E5-2658A V3 offers 24 more lanes for additional GPUs or NVMe drives.

FeatureCore i9-10900TXeon E5-2658A V3
Socket
LGA1200
LGA2011-3
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2933+38%
DDR4-2133
Max RAM Capacity
128 GB
768 GB+500%
RAM Channels
2
4+100%
ECC Support
No
Yes
PCIe Lanes
16
40+150%
🔧

Advanced Features

Only the Xeon E5-2658A V3 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: Yes (Core i9-10900T) vs VT-x, VT-d (Xeon E5-2658A V3). The Core i9-10900T includes integrated graphics (Intel UHD Graphics 630), while the Xeon E5-2658A V3 requires a dedicated GPU. Primary use case: Xeon E5-2658A V3 targets Server.

FeatureCore i9-10900TXeon E5-2658A V3
Integrated GPU
Yes
No
IGPU Model
Intel UHD Graphics 630
Unlocked
No
AVX-512
No
Yes
Virtualization
Yes
VT-x, VT-d
Target Use
Server
💰

Value Analysis

At launch, the Core i9-10900T was priced at $120, while the Xeon E5-2658A V3 came in at $1832. On launch pricing ($120 vs $1832), Core i9-10900T was $1712 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-10900T delivers 122.7 pts/$ vs 8.1 pts/$ for the Xeon E5-2658A V3 — making the Core i9-10900T the 175.2% better value option.

FeatureCore i9-10900TXeon E5-2658A V3
MSRP
$120-93%
$1832
Performance per Dollar
122.7+1415%
8.1
Release Date
2020
2015

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