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 5800X

2020

Why buy it

✅Better for gaming: +5.5% higher average FPS across 47 shared CPU benchmark tests.
✅Costs $6,392 less on MSRP ($449 MSRP vs $6,841 MSRP).
✅Delivers 1853.4% more PassMark for each dollar spent, at 61.7 vs 3.2 PassMark/$ ($449 MSRP vs $6,841 MSRP).
✅Draws 105W instead of 165W, a 60W reduction.

Trade-offs

❌Smaller total L3 cache (32 MB vs 45 MB).
❌Less compelling for workstation-style loads than Xeon E7-8891 v3, which brings 10 cores / 20 threads and 32 PCIe lanes.

Xeon E7-8891 v3

2015

Why buy it

✅+40.6% larger total L3 cache (45 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads, plus 32 PCIe lanes vs 24.
✅33.3% more PCIe lanes (32 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 47 shared CPU benchmark tests.
❌Lower PassMark (21,615 vs 27,712).
❌Lower PassMark per dollar, at 3.2 vs 61.7 PassMark/$ ($6,841 MSRP vs $449 MSRP).
❌57.1% higher power demand at 165W vs 105W.

Ryzen 7 5800X

2020

Xeon E7-8891 v3

2015

Why buy it

✅Better for gaming: +5.5% higher average FPS across 47 shared CPU benchmark tests.
✅Costs $6,392 less on MSRP ($449 MSRP vs $6,841 MSRP).
✅Delivers 1853.4% more PassMark for each dollar spent, at 61.7 vs 3.2 PassMark/$ ($449 MSRP vs $6,841 MSRP).
✅Draws 105W instead of 165W, a 60W reduction.

Why buy it

✅+40.6% larger total L3 cache (45 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads, plus 32 PCIe lanes vs 24.
✅33.3% more PCIe lanes (32 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (32 MB vs 45 MB).
❌Less compelling for workstation-style loads than Xeon E7-8891 v3, which brings 10 cores / 20 threads and 32 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 47 shared CPU benchmark tests.
❌Lower PassMark (21,615 vs 27,712).
❌Lower PassMark per dollar, at 3.2 vs 61.7 PassMark/$ ($6,841 MSRP vs $449 MSRP).
❌57.1% higher power demand at 165W vs 105W.

Quick Answers

So, is Ryzen 7 5800X better than Xeon E7-8891 v3?

Not in a simple one-size-fits-all way. Xeon E7-8891 v3 makes more sense for workstation-style multi-core throughput, while Ryzen 7 5800X 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 5800X is the better pick here. According to our tests, it delivers 5.5% more average FPS across 47 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the better fit. You are getting 28.2% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 5800X is the smarter buy today. Ryzen 7 5800X is $6,392 cheaper on MSRP at $449 MSRP versus $6,841 MSRP, and it gives you a 5.5% average FPS lead across 47 shared CPU game tests in our data. It is also 1853.4% better value on MSRP (61.7 vs 3.2 PassMark/$), 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?

Ryzen 7 5800X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2015) and more multi-core headroom with 8 cores / 16 threads instead of 10/20. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 5800X Benchmark Check

Xeon E7-8891 v3 Benchmark Check

Path of Exile 2

Preset	Ryzen 7 5800X	Xeon E7-8891 v3
1080p
low	206 FPS	179 FPS
medium	178 FPS	151 FPS
high	146 FPS	121 FPS
ultra	110 FPS	99 FPS
1440p
low	170 FPS	155 FPS
medium	142 FPS	127 FPS
high	115 FPS	98 FPS
ultra	88 FPS	79 FPS
4K
low	83 FPS	72 FPS
medium	74 FPS	63 FPS
high	59 FPS	48 FPS
ultra	46 FPS	39 FPS

Open Ryzen 7 5800X Open Xeon E7-8891 v3

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 5800X	Xeon E7-8891 v3
1080p
low	662 FPS	370 FPS
medium	558 FPS	335 FPS
high	466 FPS	279 FPS
ultra	417 FPS	223 FPS
1440p
low	563 FPS	318 FPS
medium	493 FPS	291 FPS
high	423 FPS	246 FPS
ultra	361 FPS	189 FPS
4K
low	350 FPS	199 FPS
medium	308 FPS	184 FPS
high	288 FPS	157 FPS
ultra	250 FPS	124 FPS

Open Ryzen 7 5800X Open Xeon E7-8891 v3

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 5800X	Xeon E7-8891 v3
1080p
low	693 FPS	540 FPS
medium	651 FPS	540 FPS
high	570 FPS	540 FPS
ultra	464 FPS	540 FPS
1440p
low	693 FPS	540 FPS
medium	573 FPS	540 FPS
high	498 FPS	540 FPS
ultra	413 FPS	540 FPS
4K
low	484 FPS	477 FPS
medium	410 FPS	391 FPS
high	363 FPS	358 FPS
ultra	302 FPS	299 FPS

Open Ryzen 7 5800X Open Xeon E7-8891 v3

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 5800X	Xeon E7-8891 v3
1080p
low	693 FPS	540 FPS
medium	693 FPS	540 FPS
high	693 FPS	540 FPS
ultra	693 FPS	540 FPS
1440p
low	693 FPS	540 FPS
medium	693 FPS	540 FPS
high	672 FPS	540 FPS
ultra	593 FPS	470 FPS
4K
low	604 FPS	540 FPS
medium	550 FPS	483 FPS
high	495 FPS	423 FPS
ultra	436 FPS	358 FPS

Open Ryzen 7 5800X Open Xeon E7-8891 v3

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 5800X and Xeon E7-8891 v3

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

Xeon E7-8891 v3

The Xeon E7-8891 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EX (2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 45 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 165 Watt. Memory support: DDR4-1333/1600/1866, DDR3-1066/1333/1600. Passmark benchmark score: 21,615 points. Launch price was $800.

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Processing Power

The Ryzen 7 5800X packs 8 cores / 16 threads, while the Xeon E7-8891 v3 offers 10 cores / 20 threads — the Xeon E7-8891 v3 has 2 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 3.5 GHz on the Xeon E7-8891 v3 — a 29.3% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 2.8 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Xeon E7-8891 v3 uses Haswell-EX (2015) (22 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Xeon E7-8891 v3's 21,615 — a 24.7% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 45 MB (total) on the Xeon E7-8891 v3.

Feature	Ryzen 7 5800X	Xeon E7-8891 v3
Cores / Threads	8 / 16	10 / 20+25%
Boost Clock	4.7 GHz+34%	3.5 GHz
Base Clock	3.8 GHz+36%	2.8 GHz
L3 Cache	32 MB	45 MB (total)+41%
L2 Cache	512K (per core)+100%	256K (per core)
Process	7 nm, 12 nm-68%	22 nm
Architecture	Vermeer (Zen 3) (2020−2022)	Haswell-EX (2015)
PassMark	27,712+28%	21,615
Geekbench 6 Single	—	900
Geekbench 6 Multi	—	9,500

🧠

Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Xeon E7-8891 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Xeon E7-8891 v3 supports up to 1536 GB of RAM compared to 128 GB — 169.2% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 5800X) vs 4 (Xeon E7-8891 v3). PCIe lanes: 24 (Ryzen 7 5800X) vs 32 (Xeon E7-8891 v3) — the Xeon E7-8891 v3 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and C602J (Xeon E7-8891 v3).

Feature	Ryzen 7 5800X	Xeon E7-8891 v3
Socket	AM4	LGA2011
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200	DDR4-1866
Max RAM Capacity	128 GB	1536 GB+1100%
RAM Channels	2	4+100%
ECC Support	Yes	Yes
PCIe Lanes	24	32+33%

🔧

Advanced Features

Virtualization support: AMD-V (Ryzen 7 5800X) vs Yes (Xeon E7-8891 v3). Primary use case: Ryzen 7 5800X targets Desktop.

Feature	Ryzen 7 5800X	Xeon E7-8891 v3
Integrated GPU	No	No
Unlocked	Yes	—
AVX-512	No	No
Virtualization	AMD-V	Yes
Target Use	Desktop	—

💰

Value Analysis

The Ryzen 7 5800X launched at $449 MSRP, while the Xeon E7-8891 v3 debuted at $6841. On MSRP ($449 vs $6841), the Ryzen 7 5800X is $6392 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 7 5800X delivers 61.7 pts/$ vs 3.2 pts/$ for the Xeon E7-8891 v3 — making the Ryzen 7 5800X the 180.5% better value option.