Xeon Gold 6143 vs Xeon Gold 6240

Intel

Xeon Gold 6143

16 Cores32 Thrd205 WWMax: 4 GHz2017
VS
Intel

Xeon Gold 6240

18 Cores36 Thrd150 WWMax: 3.9 GHz2019

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.

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

2017

Why buy it

  • βœ…Better for gaming: +3.9% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • ❌Lower PassMark (24,786 vs 24,918).
  • ❌Launch MSRP is still $342 MSRP, while Xeon Gold 6240 mostly shows up through inconsistent older-market listings.
  • ❌36.7% higher power demand at 205W vs 150W.

Xeon Gold 6240

2019

Why buy it

  • βœ…+0.5% higher PassMark.
  • βœ…Draws 150W instead of 205W, a 55W reduction.

Trade-offs

  • ❌Worse 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?
It depends on what you want from the system. For gaming, Xeon Gold 6143 is ahead with a 3.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6240 pulls ahead with 0.5% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Gold 6240 is the stronger fit. You are getting 0.5% better PassMark, backed by 18 cores and 36 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon Gold 6240 is still the faster CPU overall, but Xeon Gold 6143 is easier to justify if budget matters more than peak performance. Xeon Gold 6240 comes in at an unclear MSRP at unclear MSRP versus $342 MSRP, and it still gives you 0.5% better PassMark. The compromise is that Xeon Gold 6143 is still the better pure gaming CPU with a 3.9% average FPS lead across 50 shared CPU game tests in our data. Xeon Gold 6143 is also 100.0% better value on MSRP (72.5 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6240 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2017) and more multi-core headroom with 18 cores / 36 threads instead of 16/32. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon Gold 6143 vs Xeon Gold 6240 Technical Specifications

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

Intel

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.

Intel

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 (2019βˆ’2020) 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 (2019βˆ’2020) 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.

FeatureXeon Gold 6143Xeon 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 (2019βˆ’2020)
PassMark
24,786
24,918
🧠

Memory & Platform

Both processors use the LGA3647 socket with PCIe 3.0.

FeatureXeon Gold 6143Xeon Gold 6240
Socket
LGA3647
LGA3647
PCIe Generation
PCIe 3.0
PCIe 3.0