Xeon Gold 5512U vs Xeon Gold 6421N

Intel

Xeon Gold 5512U

28 Cores56 Thrd185 WWMax: 3.7 GHz2023

Popular choices:

VS
Intel

Xeon Gold 6421N

32 Cores64 Thrd185 WWMax: 3.6 GHz2023

Popular choices:

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

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 matters more to you. 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 better 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 smarter buy today. Xeon Gold 5512U is $1,138 cheaper on MSRP at $1,230 MSRP versus $2,368 MSRP, and it gives you 2.7% better PassMark. The trade-off is that Xeon Gold 6421N is still the better pure gaming CPU with a 10.8% average FPS lead across 50 shared CPU game tests in our data. It is also 97.7% better value on MSRP (49.1 vs 24.8 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play 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 overall headroom and a better platform outlook.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetXeon Gold 5512UXeon Gold 6421N
1080p
low184 FPS200 FPS
medium162 FPS165 FPS
high128 FPS137 FPS
ultra104 FPS107 FPS
1440p
low153 FPS159 FPS
medium129 FPS124 FPS
high98 FPS98 FPS
ultra81 FPS77 FPS
4K
low69 FPS73 FPS
medium62 FPS61 FPS
high48 FPS47 FPS
ultra39 FPS39 FPS
Counter-Strike 2

Counter-Strike 2

PresetXeon Gold 5512UXeon Gold 6421N
1080p
low270 FPS239 FPS
medium241 FPS213 FPS
high200 FPS177 FPS
ultra166 FPS143 FPS
1440p
low227 FPS201 FPS
medium205 FPS182 FPS
high175 FPS157 FPS
ultra140 FPS122 FPS
4K
low141 FPS125 FPS
medium130 FPS116 FPS
high118 FPS102 FPS
ultra98 FPS83 FPS
League of Legends

League of Legends

PresetXeon Gold 5512UXeon Gold 6421N
1080p
low777 FPS956 FPS
medium691 FPS837 FPS
high657 FPS793 FPS
ultra581 FPS705 FPS
1440p
low672 FPS774 FPS
medium594 FPS668 FPS
high562 FPS623 FPS
ultra503 FPS555 FPS
4K
low453 FPS495 FPS
medium370 FPS391 FPS
high335 FPS342 FPS
ultra279 FPS279 FPS
Valorant

Valorant

PresetXeon Gold 5512UXeon Gold 6421N
1080p
low940 FPS923 FPS
medium841 FPS832 FPS
high726 FPS717 FPS
ultra622 FPS619 FPS
1440p
low762 FPS715 FPS
medium666 FPS627 FPS
high572 FPS538 FPS
ultra484 FPS460 FPS
4K
low550 FPS516 FPS
medium493 FPS460 FPS
high435 FPS404 FPS
ultra372 FPS349 FPS

Technical Specifications

Side-by-side comparison of Xeon Gold 5512U and Xeon Gold 6421N

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

The Xeon Gold 5512U launched at $1230 MSRP, while the Xeon Gold 6421N debuted at $2368. On MSRP ($1230 vs $2368), the Xeon Gold 5512U is $1138 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 5512U delivers 49.1 pts/$ 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