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 Threadripper 3970X

2019

Why buy it

✅Better for gaming: +22.3% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (62,946 vs 64,761).
❌Lower PassMark per dollar, at 14.0 vs 51.8 PassMark/$ ($4,491 MSRP vs $1,250 MSRP).
❌24.4% higher power demand at 280W vs 225W.
❌Older platform position on TR4 with DDR4, while Xeon 6521P moves to LGA4710 and DDR5.

Xeon 6521P

2025

Why buy it

✅+2.9% higher PassMark.
✅Costs $3,241 less on MSRP ($1,250 MSRP vs $4,491 MSRP).
✅Delivers 269.6% more PassMark for each dollar spent, at 51.8 vs 14.0 PassMark/$ ($1,250 MSRP vs $4,491 MSRP).
✅Draws 225W instead of 280W, a 55W reduction.
✅Newer platform on LGA4710 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper 3970X across 4 shared CPU benchmark tests.

Ryzen Threadripper 3970X

2019

Xeon 6521P

2025

Why buy it

✅Better for gaming: +22.3% higher average FPS across 4 shared CPU benchmark tests.

Why buy it

✅+2.9% higher PassMark.
✅Costs $3,241 less on MSRP ($1,250 MSRP vs $4,491 MSRP).
✅Delivers 269.6% more PassMark for each dollar spent, at 51.8 vs 14.0 PassMark/$ ($1,250 MSRP vs $4,491 MSRP).
✅Draws 225W instead of 280W, a 55W reduction.
✅Newer platform on LGA4710 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Lower PassMark (62,946 vs 64,761).
❌Lower PassMark per dollar, at 14.0 vs 51.8 PassMark/$ ($4,491 MSRP vs $1,250 MSRP).
❌24.4% higher power demand at 280W vs 225W.
❌Older platform position on TR4 with DDR4, while Xeon 6521P moves to LGA4710 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper 3970X across 4 shared CPU benchmark tests.

Quick Answers

So, is Xeon 6521P better than Ryzen Threadripper 3970X?

It depends on what matters more to you. For gaming, Ryzen Threadripper 3970X is ahead with a 22.3% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon 6521P pulls ahead with 2.9% better PassMark.

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

For streaming, content creation, and heavier multitasking, Xeon 6521P is the better fit. You are getting 2.9% better PassMark, backed by 24 cores and 48 threads.

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

Xeon 6521P is the smarter buy today. Xeon 6521P is $3,241 cheaper on MSRP at $1,250 MSRP versus $4,491 MSRP, and it gives you 2.9% better PassMark. The trade-off is that Ryzen Threadripper 3970X is still the better pure gaming CPU with a 22.3% average FPS lead across 4 shared CPU game tests in our data. It is also 269.6% better value on MSRP (51.8 vs 14.0 PassMark/$), 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 6521P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2019), a healthier platform with LGA4710 and DDR5 instead of TR4, more multi-core headroom with 24 cores / 48 threads instead of 32/64, 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 Threadripper 3970X Benchmark Check

Xeon 6521P Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper 3970X	Xeon 6521P
1080p
low	270 FPS	188 FPS
medium	222 FPS	165 FPS
high	183 FPS	131 FPS
ultra	131 FPS	106 FPS
1440p
low	211 FPS	155 FPS
medium	164 FPS	131 FPS
high	130 FPS	100 FPS
ultra	96 FPS	82 FPS
4K
low	98 FPS	70 FPS
medium	81 FPS	63 FPS
high	63 FPS	49 FPS
ultra	51 FPS	40 FPS

Open Ryzen Threadripper 3970X Open Xeon 6521P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper 3970X	Xeon 6521P
1080p
low	806 FPS	585 FPS
medium	681 FPS	517 FPS
high	528 FPS	428 FPS
ultra	457 FPS	376 FPS
1440p
low	652 FPS	489 FPS
medium	565 FPS	437 FPS
high	458 FPS	372 FPS
ultra	373 FPS	309 FPS
4K
low	381 FPS	304 FPS
medium	333 FPS	274 FPS
high	296 FPS	250 FPS
ultra	261 FPS	222 FPS

Open Ryzen Threadripper 3970X Open Xeon 6521P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper 3970X	Xeon 6521P
1080p
low	1025 FPS	900 FPS
medium	927 FPS	829 FPS
high	862 FPS	768 FPS
ultra	765 FPS	677 FPS
1440p
low	776 FPS	770 FPS
medium	644 FPS	706 FPS
high	580 FPS	650 FPS
ultra	506 FPS	581 FPS
4K
low	539 FPS	510 FPS
medium	428 FPS	429 FPS
high	381 FPS	383 FPS
ultra	306 FPS	318 FPS

Open Ryzen Threadripper 3970X Open Xeon 6521P

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper 3970X	Xeon 6521P
1080p
low	1325 FPS	981 FPS
medium	1015 FPS	884 FPS
high	1073 FPS	764 FPS
ultra	875 FPS	663 FPS
1440p
low	1031 FPS	802 FPS
medium	900 FPS	699 FPS
high	778 FPS	601 FPS
ultra	656 FPS	517 FPS
4K
low	744 FPS	579 FPS
medium	662 FPS	520 FPS
high	579 FPS	461 FPS
ultra	437 FPS	396 FPS

Open Ryzen Threadripper 3970X Open Xeon 6521P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper 3970X and Xeon 6521P

Ryzen Threadripper 3970X

The Ryzen Threadripper 3970X is manufactured by AMD. It was released in 25 November 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 32 cores and 64 threads. Base frequency is 3.7 GHz, with boost up to 4.5 GHz. L3 cache: 128 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: TR4. Thermal design power (TDP): 280 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 62,946 points. Launch price was $1,999.

Xeon 6521P

The Xeon 6521P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 24 cores and 48 threads. Base frequency is 2.6 GHz, with boost up to 4.1 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 225 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 64,761 points. Launch price was $1,250.

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Processing Power

The Ryzen Threadripper 3970X packs 32 cores / 64 threads, while the Xeon 6521P offers 24 cores / 48 threads — the Ryzen Threadripper 3970X has 8 more cores. Boost clocks reach 4.5 GHz on the Ryzen Threadripper 3970X versus 4.1 GHz on the Xeon 6521P — a 9.3% clock advantage for the Ryzen Threadripper 3970X (base: 3.7 GHz vs 2.6 GHz). The Ryzen Threadripper 3970X uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Xeon 6521P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Ryzen Threadripper 3970X scores 62,946 against the Xeon 6521P's 64,761 — a 2.8% lead for the Xeon 6521P. L3 cache: 128 MB on the Ryzen Threadripper 3970X vs 144 MB (total) on the Xeon 6521P.

Feature	Ryzen Threadripper 3970X	Xeon 6521P
Cores / Threads	32 / 64+33%	24 / 48
Boost Clock	4.5 GHz+10%	4.1 GHz
Base Clock	3.7 GHz+42%	2.6 GHz
L3 Cache	128 MB	144 MB (total)+13%
L2 Cache	512K (per core)	2 MB (per core)+300%
Process	7 nm, 12 nm	Intel 3 nm-57%
Architecture	Matisse (2019−2020)	Granite Rapids (2024−2025)
PassMark	62,946	64,761+3%
Cinebench R23 Multi	44,510	—
Geekbench 6 Single	1,664	—
Geekbench 6 Multi	13,739	—

🧠

Memory & Platform

The Ryzen Threadripper 3970X uses the TR4 socket (PCIe 4.0), while the Xeon 6521P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper 3970X versus 6400 on the Xeon 6521P — the Xeon 6521P supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6521P supports up to 4096 of RAM compared to 256 GB — 176.5% more capacity for professional workloads. Memory channels: 4 (Ryzen Threadripper 3970X) vs 8 (Xeon 6521P). PCIe lanes: 64 (Ryzen Threadripper 3970X) vs 136 (Xeon 6521P) — the Xeon 6521P offers 72 more lanes for additional GPUs or NVMe drives. Chipset compatibility: TRX40 (Ryzen Threadripper 3970X) and C741 (Xeon 6521P).

Feature	Ryzen Threadripper 3970X	Xeon 6521P
Socket	TR4	LGA4710
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	6400+159900%
Max RAM Capacity	256 GB+6553500%	4096
RAM Channels	4	8+100%
ECC Support	Yes	Yes
PCIe Lanes	64	136+113%

🔧

Advanced Features

Only the Ryzen Threadripper 3970X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon 6521P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen Threadripper 3970X) vs VT-x, VT-d (Xeon 6521P). Direct competitor: Ryzen Threadripper 3970X rivals Core i9-10980XE; Xeon 6521P rivals EPYC 9354.

Feature	Ryzen Threadripper 3970X	Xeon 6521P
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	true	VT-x, VT-d

💰

Value Analysis

The Ryzen Threadripper 3970X launched at $4491 MSRP, while the Xeon 6521P debuted at $1250. On MSRP ($4491 vs $1250), the Xeon 6521P is $3241 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper 3970X delivers 14.0 pts/$ vs 51.8 pts/$ for the Xeon 6521P — making the Xeon 6521P the 114.8% better value option.