EPYC 7351 vs Ryzen 7 8840U

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.

EPYC 7351

2017

Why buy it

✅+300% larger total L3 cache (64 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 8840U across 41 shared CPU benchmark tests.
❌Lower PassMark (23,226 vs 23,415).
❌453.6% higher power demand at 155W vs 28W.
❌Older platform position on TR4 with DDR4, while Ryzen 7 8840U moves to FP8 and DDR5.

Ryzen 7 8840U

2023

Why buy it

✅Better for gaming: +18.8% higher average FPS across 41 shared CPU benchmark tests.
✅Draws 28W instead of 155W, a 127W reduction.
✅Newer platform on FP8 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Smaller total L3 cache (16 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7351, which brings 16 cores / 32 threads.

EPYC 7351

2017

Ryzen 7 8840U

2023

Why buy it

✅+300% larger total L3 cache (64 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Why buy it

✅Better for gaming: +18.8% higher average FPS across 41 shared CPU benchmark tests.
✅Draws 28W instead of 155W, a 127W reduction.
✅Newer platform on FP8 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 8840U across 41 shared CPU benchmark tests.
❌Lower PassMark (23,226 vs 23,415).
❌453.6% higher power demand at 155W vs 28W.
❌Older platform position on TR4 with DDR4, while Ryzen 7 8840U moves to FP8 and DDR5.

Trade-offs

❌Smaller total L3 cache (16 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7351, which brings 16 cores / 32 threads.

Quick Answers

So, is Ryzen 7 8840U better than EPYC 7351?

Not in a simple one-size-fits-all way. EPYC 7351 makes more sense for workstation-style multi-core throughput, while Ryzen 7 8840U is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 8840U is the better pick here. According to our tests, it delivers 18.8% more average FPS across 41 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 8840U is the better fit. You are getting 0.8% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 8840U still looks like the safer overall buy. Ryzen 7 8840U is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 18.8% average FPS lead across 41 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Ryzen 7 8840U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017), a healthier platform with FP8 and DDR5 instead of TR4, and more multi-core headroom with 8 cores / 16 threads instead of 16/32. 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.

EPYC 7351 Benchmark Check

Ryzen 7 8840U Benchmark Check

Path of Exile 2

Preset	EPYC 7351	Ryzen 7 8840U
1080p
low	183 FPS	255 FPS
medium	160 FPS	235 FPS
high	128 FPS	198 FPS
ultra	102 FPS	170 FPS
1440p
low	151 FPS	227 FPS
medium	126 FPS	189 FPS
high	96 FPS	154 FPS
ultra	77 FPS	136 FPS
4K
low	70 FPS	157 FPS
medium	62 FPS	133 FPS
high	48 FPS	103 FPS
ultra	39 FPS	91 FPS

Open EPYC 7351 Open Ryzen 7 8840U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7351	Ryzen 7 8840U
1080p
low	353 FPS	469 FPS
medium	321 FPS	388 FPS
high	271 FPS	336 FPS
ultra	219 FPS	301 FPS
1440p
low	305 FPS	410 FPS
medium	279 FPS	358 FPS
high	239 FPS	310 FPS
ultra	187 FPS	265 FPS
4K
low	190 FPS	270 FPS
medium	176 FPS	247 FPS
high	151 FPS	234 FPS
ultra	122 FPS	202 FPS

Open EPYC 7351 Open Ryzen 7 8840U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7351	Ryzen 7 8840U
1080p
low	581 FPS	585 FPS
medium	513 FPS	585 FPS
high	462 FPS	585 FPS
ultra	396 FPS	585 FPS
1440p
low	513 FPS	585 FPS
medium	428 FPS	585 FPS
high	376 FPS	525 FPS
ultra	323 FPS	451 FPS
4K
low	381 FPS	521 FPS
medium	305 FPS	458 FPS
high	269 FPS	406 FPS
ultra	219 FPS	345 FPS

Open EPYC 7351 Open Ryzen 7 8840U

League of Legends

League of Legends

Valorant

Preset	EPYC 7351	Ryzen 7 8840U
1080p
low	581 FPS	585 FPS
medium	581 FPS	585 FPS
high	581 FPS	585 FPS
ultra	569 FPS	585 FPS
1440p
low	581 FPS	585 FPS
medium	581 FPS	585 FPS
high	504 FPS	585 FPS
ultra	425 FPS	548 FPS
4K
low	477 FPS	559 FPS
medium	430 FPS	501 FPS
high	378 FPS	446 FPS
ultra	323 FPS	384 FPS

Open EPYC 7351 Open Ryzen 7 8840U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7351 and Ryzen 7 8840U

EPYC 7351

The EPYC 7351 is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 23,226 points. Launch price was $1,100.

Ryzen 7 8840U

The Ryzen 7 8840U is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-U (Zen 4) (2023−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 23,415 points. Launch price was $299.

⚡

Processing Power

The EPYC 7351 packs 16 cores / 32 threads, while the Ryzen 7 8840U offers 8 cores / 16 threads — the EPYC 7351 has 8 more cores. Boost clocks reach 2.9 GHz on the EPYC 7351 versus 5.1 GHz on the Ryzen 7 8840U — a 55% clock advantage for the Ryzen 7 8840U (base: 2.4 GHz vs 3.3 GHz). The EPYC 7351 uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 7 8840U uses Hawk Point-U (Zen 4) (2023−2025) (4 nm). In PassMark, the EPYC 7351 scores 23,226 against the Ryzen 7 8840U's 23,415 — a 0.8% lead for the Ryzen 7 8840U. L3 cache: 64 MB (total) on the EPYC 7351 vs 16 MB (total) on the Ryzen 7 8840U.

Feature	EPYC 7351	Ryzen 7 8840U
Cores / Threads	16 / 32+100%	8 / 16
Boost Clock	2.9 GHz	5.1 GHz+76%
Base Clock	2.4 GHz	3.3 GHz+38%
L3 Cache	64 MB (total)+300%	16 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	14 nm	4 nm-71%
Architecture	Naples (2017−2018)	Hawk Point-U (Zen 4) (2023−2025)
PassMark	23,226	23,415