
Xeon Gold 6143

Xeon Gold 6240
Xeon Gold 6143 vs Xeon Gold 6240 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.
Xeon Gold 6143 vs Xeon Gold 6240 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Xeon Gold 6143 vs Xeon Gold 6240: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Xeon Gold 6143
2017Why buy it
- β Better for gaming: +3.9% higher average FPS across 50 shared CPU benchmark tests.
Trade-offs
- βLower PassMark (24,786 vs 24,918).
- βLaunch MSRP is still $342 MSRP, while Xeon Gold 6240 mostly shows up through inconsistent older-market listings.
- β36.7% higher power demand at 205W vs 150W.
Xeon Gold 6240
2019Why buy it
- β +0.5% higher PassMark.
- β Draws 150W instead of 205W, a 55W reduction.
Trade-offs
- βWorse for gaming: lower average FPS than Xeon Gold 6143 across 50 shared CPU benchmark tests.
Quick Answers
So, is Xeon Gold 6240 better than Xeon Gold 6143?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6143 vs Xeon Gold 6240 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Xeon Gold 6143
The Xeon Gold 6143 is manufactured by Intel. It was released in 2015-01-01. It features 16 cores and 32 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 22 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,786 points. Launch price was $800.

Xeon Gold 6240
The Xeon Gold 6240 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019β2020) architecture. It features 18 cores and 36 threads. Base frequency is 2.6 GHz, with boost up to 3.9 GHz. L3 cache: 24.75 MB. L2 cache: 18 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2933. Passmark benchmark score: 24,918 points. Launch price was $2,445.
Processing Power
The Xeon Gold 6143 packs 16 cores / 32 threads, while the Xeon Gold 6240 offers 18 cores / 36 threads β the Xeon Gold 6240 has 2 more cores. Boost clocks reach 4 GHz on the Xeon Gold 6143 versus 3.9 GHz on the Xeon Gold 6240 β a 2.5% clock advantage for the Xeon Gold 6143 (base: 2.8 GHz vs 2.6 GHz). The Xeon Gold 6240 is built on the Cascade Lake (2019β2020) architecture. In PassMark, the Xeon Gold 6143 scores 24,786 against the Xeon Gold 6240's 24,918 β a 0.5% lead for the Xeon Gold 6240. L3 cache: 22 MB on the Xeon Gold 6143 vs 24.75 MB on the Xeon Gold 6240.
| Feature | Xeon Gold 6143 | Xeon Gold 6240 |
|---|---|---|
| Cores / Threads | 16 / 32 | 18 / 36+13% |
| Boost Clock | 4 GHz+3% | 3.9 GHz |
| Base Clock | 2.8 GHz+8% | 2.6 GHz |
| L3 Cache | 22 MB | 24.75 MB+13% |
| L2 Cache | β | 18 MB |
| Process | 14 nm | 14 nm |
| Architecture | β | Cascade Lake (2019β2020) |
| PassMark | 24,786 | 24,918 |
Memory & Platform
Both processors use the LGA3647 socket with PCIe 3.0.
| Feature | Xeon Gold 6143 | Xeon Gold 6240 |
|---|---|---|
| Socket | LGA3647 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
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