Xeon Gold 5512U vs Xeon Gold 6421N

Intel

Xeon Gold 5512U

28 Cores56 Thrd185 WWMax: 3.7 GHz2023
Similar parts
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VS
Intel

Xeon Gold 6421N

32 Cores64 Thrd185 WWMax: 3.6 GHz2023
Similar parts
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Xeon Gold 5512U vs Xeon Gold 6421N 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 5512U vs Xeon Gold 6421N 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 5512U vs Xeon Gold 6421N: 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 5512U

2023

Why buy it

  • +2.7% higher PassMark.
  • Costs $1,138 less on MSRP ($1,230 MSRP vs $2,368 MSRP).
  • Delivers 97.7% more PassMark for each dollar spent, at 49.1 vs 24.8 PassMark/$ ($1,230 MSRP vs $2,368 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Xeon Gold 6421N across 50 shared CPU benchmark tests.

Xeon Gold 6421N

2023

Why buy it

  • Better for gaming: +10.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark (58,797 vs 60,367).
  • Lower PassMark per dollar, at 24.8 vs 49.1 PassMark/$ ($2,368 MSRP vs $1,230 MSRP).

Quick Answers

So, is Xeon Gold 5512U better than Xeon Gold 6421N?
It depends on what you want from the system. For gaming, Xeon Gold 6421N is ahead with a 10.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 5512U pulls ahead with 2.7% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Gold 5512U is the stronger fit. You are getting 2.7% better PassMark, backed by 28 cores and 56 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon Gold 5512U is the better buy right now. Xeon Gold 5512U comes in $1,138 cheaper on MSRP at $1,230 MSRP versus $2,368 MSRP, and it still gives you 2.7% better PassMark. The compromise is that Xeon Gold 6421N is still the better pure gaming CPU with a 10.8% average FPS lead across 50 shared CPU game tests in our data. It is also 97.7% better value on MSRP (49.1 vs 24.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6421N is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Xeon Gold 5512U vs Xeon Gold 6421N Technical Specifications

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

Intel

Xeon Gold 5512U

The Xeon Gold 5512U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 28 cores and 56 threads. Base frequency is 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 52.5 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 60,367 points. Launch price was $1,230.

Intel

Xeon Gold 6421N

The Xeon Gold 6421N is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 1.8 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,797 points. Launch price was $2,368.

Processing Power

The Xeon Gold 5512U packs 28 cores / 56 threads, while the Xeon Gold 6421N offers 32 cores / 64 threads — the Xeon Gold 6421N has 4 more cores. Boost clocks reach 3.7 GHz on the Xeon Gold 5512U versus 3.6 GHz on the Xeon Gold 6421N — a 2.7% clock advantage for the Xeon Gold 5512U (base: 2.1 GHz vs 1.8 GHz). The Xeon Gold 5512U uses the Emerald Rapids (2023) architecture (Intel 7 nm), while the Xeon Gold 6421N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon Gold 5512U scores 60,367 against the Xeon Gold 6421N's 58,797 — a 2.6% lead for the Xeon Gold 5512U. L3 cache: 52.5 MB (total) on the Xeon Gold 5512U vs 60 MB on the Xeon Gold 6421N.

FeatureXeon Gold 5512UXeon Gold 6421N
Cores / Threads
28 / 56
32 / 64+14%
Boost Clock
3.7 GHz+3%
3.6 GHz
Base Clock
2.1 GHz+17%
1.8 GHz
L3 Cache
52.5 MB (total)
60 MB+14%
L2 Cache
2 MB (per core)
2 MB (per core)
Process
Intel 7 nm
Intel 7 nm
Architecture
Emerald Rapids (2023)
Sapphire Rapids (2023−2024)
PassMark
60,367+3%
58,797
🧠

Memory & Platform

Both processors use the LGA4677 socket with PCIe 4.0. Both support up to 4800 memory speed. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. Both provide 80 PCIe lanes. Chipset compatibility: C741 (Xeon Gold 5512U) and C741 (Xeon Gold 6421N).

FeatureXeon Gold 5512UXeon Gold 6421N
Socket
LGA4677
LGA4677
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
4800
4800
Max RAM Capacity
4096
4096
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
80
80
🔧

Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon Gold 5512U rivals EPYC 9354; Xeon Gold 6421N rivals EPYC 9354.

FeatureXeon Gold 5512UXeon Gold 6421N
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
No
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d
💰

Value Analysis

At launch, the Xeon Gold 5512U was priced at $1230, while the Xeon Gold 6421N came in at $2368. On launch pricing ($1230 vs $2368), Xeon Gold 5512U was $1138 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 5512U delivers 49.1 pts/$ vs 24.8 pts/$ for the Xeon Gold 6421N — making the Xeon Gold 5512U the 65.6% better value option.

FeatureXeon Gold 5512UXeon Gold 6421N
MSRP
$1230-48%
$2368
Performance per Dollar
49.1+98%
24.8
Release Date
2023
2023

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