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.

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +12.3% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,039 less on MSRP ($329 MSRP vs $2,368 MSRP).
✅Delivers 174.6% more PassMark for each dollar spent, at 68.2 vs 24.8 PassMark/$ ($329 MSRP vs $2,368 MSRP).
✅Draws 65W instead of 185W, a 120W reduction.

Trade-offs

❌Lower PassMark (22,430 vs 58,797).
❌Smaller total L3 cache (32 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6421N, which brings 32 cores / 64 threads and 80 PCIe lanes.
❌Older platform position on AM4 with DDR4, while Xeon Gold 6421N moves to LGA4677 and DDR5.

Xeon Gold 6421N

2023

Why buy it

✅+162.1% higher PassMark.
✅+87.5% larger total L3 cache (60 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 24.
✅Newer platform on LGA4677 with DDR5 support instead of AM4 and DDR4.
✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 24.8 vs 68.2 PassMark/$ ($2,368 MSRP vs $329 MSRP).
❌184.6% higher power demand at 185W vs 65W.

Ryzen 7 3700X

2019

Xeon Gold 6421N

2023

Why buy it

✅Better for gaming: +12.3% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,039 less on MSRP ($329 MSRP vs $2,368 MSRP).
✅Delivers 174.6% more PassMark for each dollar spent, at 68.2 vs 24.8 PassMark/$ ($329 MSRP vs $2,368 MSRP).
✅Draws 65W instead of 185W, a 120W reduction.

Why buy it

✅+162.1% higher PassMark.
✅+87.5% larger total L3 cache (60 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 24.
✅Newer platform on LGA4677 with DDR5 support instead of AM4 and DDR4.
✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (22,430 vs 58,797).
❌Smaller total L3 cache (32 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6421N, which brings 32 cores / 64 threads and 80 PCIe lanes.
❌Older platform position on AM4 with DDR4, while Xeon Gold 6421N moves to LGA4677 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 24.8 vs 68.2 PassMark/$ ($2,368 MSRP vs $329 MSRP).
❌184.6% higher power demand at 185W vs 65W.

Quick Answers

So, is Ryzen 7 3700X better than Xeon Gold 6421N?

Not in a simple one-size-fits-all way. Xeon Gold 6421N makes more sense for workstation-style multi-core throughput, while Ryzen 7 3700X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon Gold 6421N is the better fit. You are getting 162.1% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 87.5% larger total L3 cache (60 MB vs 32 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 7 3700X is the smarter buy today. Ryzen 7 3700X is $2,039 cheaper on MSRP at $329 MSRP versus $2,368 MSRP, and it gives you a 12.3% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon Gold 6421N is still stronger for heavier multi-core work with 162.1% better PassMark. It is also 174.6% better value on MSRP (68.2 vs 24.8 PassMark/$), 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 more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with LGA4677 and DDR5 instead of AM4, 87.5% larger total L3 cache (60 MB vs 32 MB), more multi-core headroom with 32 cores / 64 threads instead of 8/16, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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.

Ryzen 7 3700X Benchmark Check

Xeon Gold 6421N Benchmark Check

Path of Exile 2

Preset	Ryzen 7 3700X	Xeon Gold 6421N
1080p
low	200 FPS	200 FPS
medium	163 FPS	165 FPS
high	137 FPS	137 FPS
ultra	110 FPS	107 FPS
1440p
low	156 FPS	159 FPS
medium	121 FPS	124 FPS
high	100 FPS	98 FPS
ultra	80 FPS	77 FPS
4K
low	84 FPS	73 FPS
medium	71 FPS	61 FPS
high	56 FPS	47 FPS
ultra	44 FPS	39 FPS

Open Ryzen 7 3700X Open Xeon Gold 6421N

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 3700X	Xeon Gold 6421N
1080p
low	561 FPS	239 FPS
medium	525 FPS	213 FPS
high	428 FPS	177 FPS
ultra	383 FPS	143 FPS
1440p
low	545 FPS	201 FPS
medium	471 FPS	182 FPS
high	394 FPS	157 FPS
ultra	337 FPS	122 FPS
4K
low	350 FPS	125 FPS
medium	304 FPS	116 FPS
high	274 FPS	102 FPS
ultra	242 FPS	83 FPS

Open Ryzen 7 3700X Open Xeon Gold 6421N

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 3700X	Xeon Gold 6421N
1080p
low	561 FPS	956 FPS
medium	561 FPS	837 FPS
high	561 FPS	793 FPS
ultra	561 FPS	705 FPS
1440p
low	561 FPS	774 FPS
medium	561 FPS	668 FPS
high	538 FPS	623 FPS
ultra	470 FPS	555 FPS
4K
low	499 FPS	495 FPS
medium	394 FPS	391 FPS
high	343 FPS	342 FPS
ultra	275 FPS	279 FPS

Open Ryzen 7 3700X Open Xeon Gold 6421N

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 3700X	Xeon Gold 6421N
1080p
low	561 FPS	923 FPS
medium	561 FPS	832 FPS
high	561 FPS	717 FPS
ultra	561 FPS	619 FPS
1440p
low	561 FPS	715 FPS
medium	561 FPS	627 FPS
high	561 FPS	538 FPS
ultra	555 FPS	460 FPS
4K
low	561 FPS	516 FPS
medium	501 FPS	460 FPS
high	447 FPS	404 FPS
ultra	396 FPS	349 FPS

Open Ryzen 7 3700X Open Xeon Gold 6421N

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 3700X and Xeon Gold 6421N

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

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 Ryzen 7 3700X packs 8 cores / 16 threads, while the Xeon Gold 6421N offers 32 cores / 64 threads — the Xeon Gold 6421N has 24 more cores. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 3.6 GHz on the Xeon Gold 6421N — a 20% clock advantage for the Ryzen 7 3700X (base: 3.6 GHz vs 1.8 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Xeon Gold 6421N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Xeon Gold 6421N's 58,797 — a 89.5% lead for the Xeon Gold 6421N. L3 cache: 32 MB on the Ryzen 7 3700X vs 60 MB on the Xeon Gold 6421N.

Feature	Ryzen 7 3700X	Xeon Gold 6421N
Cores / Threads	8 / 16	32 / 64+300%
Boost Clock	4.4 GHz+22%	3.6 GHz
Base Clock	3.6 GHz+100%	1.8 GHz
L3 Cache	32 MB	60 MB+88%
L2 Cache	512K (per core)	2 MB (per core)+300%
Process	7 nm, 12 nm	Intel 7 nm
Architecture	Matisse (Zen 2) (2019−2020)	Sapphire Rapids (2023−2024)
PassMark	22,430	58,797+162%

🧠

Memory & Platform

The Ryzen 7 3700X uses the AM4 socket (PCIe 4.0), while the Xeon Gold 6421N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 3700X versus 4800 on the Xeon Gold 6421N — the Xeon Gold 6421N supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6421N supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 3700X) vs 8 (Xeon Gold 6421N). PCIe lanes: 24 (Ryzen 7 3700X) vs 80 (Xeon Gold 6421N) — the Xeon Gold 6421N offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X) and C741 (Xeon Gold 6421N).

Feature	Ryzen 7 3700X	Xeon Gold 6421N
Socket	AM4	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	4800+119900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	80+233%

🔧

Advanced Features

Virtualization: not specified (Ryzen 7 3700X) / VT-x, VT-d (Xeon Gold 6421N). Direct competitor: Xeon Gold 6421N rivals EPYC 9354.

Feature	Ryzen 7 3700X	Xeon Gold 6421N
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	No
AVX-512	—	Yes
Virtualization	—	VT-x, VT-d

💰

Value Analysis

The Ryzen 7 3700X launched at $329 MSRP, while the Xeon Gold 6421N debuted at $2368. On MSRP ($329 vs $2368), the Ryzen 7 3700X is $2039 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 7 3700X delivers 68.2 pts/$ vs 24.8 pts/$ for the Xeon Gold 6421N — making the Ryzen 7 3700X the 93.2% better value option.