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.

Core i9-7980XE

2017

Why buy it

✅+6.9% higher PassMark.
✅83.3% more PCIe lanes (44 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (25 MB vs 32 MB).
❌Lower PassMark per dollar, at 14.8 vs 61.7 PassMark/$ ($1,999 MSRP vs $449 MSRP).
❌57.1% higher power demand at 165W vs 105W.

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +23.9% higher average FPS across 50 shared CPU benchmark tests.
✅+29.3% larger total L3 cache (32 MB vs 25 MB).
✅Costs $1,550 less on MSRP ($449 MSRP vs $1,999 MSRP).
✅Delivers 316.3% more PassMark for each dollar spent, at 61.7 vs 14.8 PassMark/$ ($449 MSRP vs $1,999 MSRP).
✅Draws 105W instead of 165W, a 60W reduction.

Trade-offs

❌Lower PassMark (27,712 vs 29,634).

Core i9-7980XE

2017

Ryzen 7 5800X

2020

Why buy it

✅+6.9% higher PassMark.
✅83.3% more PCIe lanes (44 vs 24) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +23.9% higher average FPS across 50 shared CPU benchmark tests.
✅+29.3% larger total L3 cache (32 MB vs 25 MB).
✅Costs $1,550 less on MSRP ($449 MSRP vs $1,999 MSRP).
✅Delivers 316.3% more PassMark for each dollar spent, at 61.7 vs 14.8 PassMark/$ ($449 MSRP vs $1,999 MSRP).
✅Draws 105W instead of 165W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (25 MB vs 32 MB).
❌Lower PassMark per dollar, at 14.8 vs 61.7 PassMark/$ ($1,999 MSRP vs $449 MSRP).
❌57.1% higher power demand at 165W vs 105W.

Trade-offs

❌Lower PassMark (27,712 vs 29,634).

Quick Answers

So, is Ryzen 7 5800X better than Core i9-7980XE?

It depends on what matters more to you. For gaming, Ryzen 7 5800X is ahead with a 23.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-7980XE pulls ahead with 6.9% better PassMark. Ryzen 7 5800X also has the bigger cache pool with 29.3% larger total L3 cache (32 MB vs 25 MB).

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

For streaming, content creation, and heavier multitasking, Core i9-7980XE is the better fit. You are getting 6.9% better PassMark, backed by 18 cores and 36 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 $1,550 cheaper on MSRP at $449 MSRP versus $1,999 MSRP, and it gives you a 23.9% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Core i9-7980XE is still stronger for heavier multi-core work with 6.9% better PassMark. It is also 316.3% better value on MSRP (61.7 vs 14.8 PassMark/$), 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?

Ryzen 7 5800X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017) and 29.3% larger total L3 cache (32 MB vs 25 MB). That makes it the safer long-term pick.

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.

Core i9-7980XE Benchmark Check

Ryzen 7 5800X Benchmark Check

Path of Exile 2

Preset	Core i9-7980XE	Ryzen 7 5800X
1080p
low	167 FPS	206 FPS
medium	147 FPS	178 FPS
high	116 FPS	146 FPS
ultra	97 FPS	110 FPS
1440p
low	140 FPS	170 FPS
medium	120 FPS	142 FPS
high	95 FPS	115 FPS
ultra	80 FPS	88 FPS
4K
low	78 FPS	83 FPS
medium	71 FPS	74 FPS
high	56 FPS	59 FPS
ultra	44 FPS	46 FPS

Open Core i9-7980XE Open Ryzen 7 5800X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-7980XE	Ryzen 7 5800X
1080p
low	470 FPS	662 FPS
medium	405 FPS	558 FPS
high	355 FPS	466 FPS
ultra	321 FPS	417 FPS
1440p
low	411 FPS	563 FPS
medium	361 FPS	493 FPS
high	319 FPS	423 FPS
ultra	277 FPS	361 FPS
4K
low	265 FPS	350 FPS
medium	232 FPS	308 FPS
high	220 FPS	288 FPS
ultra	190 FPS	250 FPS

Open Core i9-7980XE Open Ryzen 7 5800X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-7980XE	Ryzen 7 5800X
1080p
low	636 FPS	693 FPS
medium	530 FPS	651 FPS
high	480 FPS	570 FPS
ultra	417 FPS	464 FPS
1440p
low	567 FPS	693 FPS
medium	479 FPS	573 FPS
high	432 FPS	498 FPS
ultra	377 FPS	413 FPS
4K
low	431 FPS	484 FPS
medium	354 FPS	410 FPS
high	319 FPS	363 FPS
ultra	262 FPS	302 FPS

Open Core i9-7980XE Open Ryzen 7 5800X

League of Legends

League of Legends

Valorant

Preset	Core i9-7980XE	Ryzen 7 5800X
1080p
low	741 FPS	693 FPS
medium	741 FPS	693 FPS
high	697 FPS	693 FPS
ultra	614 FPS	693 FPS
1440p
low	741 FPS	693 FPS
medium	680 FPS	693 FPS
high	578 FPS	672 FPS
ultra	501 FPS	593 FPS
4K
low	532 FPS	604 FPS
medium	479 FPS	550 FPS
high	422 FPS	495 FPS
ultra	365 FPS	436 FPS

Open Core i9-7980XE Open Ryzen 7 5800X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-7980XE and Ryzen 7 5800X

Core i9-7980XE

The Core i9-7980XE is manufactured by Intel. It was released in 1 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 18 cores and 36 threads. Base frequency is 2.6 GHz, with boost up to 4.4 GHz. L3 cache: 24.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 29,634 points. Launch price was $1,999.

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.

⚡

Processing Power

The Core i9-7980XE packs 18 cores / 36 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Core i9-7980XE has 10 more cores. Boost clocks reach 4.4 GHz on the Core i9-7980XE versus 4.7 GHz on the Ryzen 7 5800X — a 6.6% clock advantage for the Ryzen 7 5800X (base: 2.6 GHz vs 3.8 GHz). The Core i9-7980XE uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i9-7980XE scores 29,634 against the Ryzen 7 5800X's 27,712 — a 6.7% lead for the Core i9-7980XE. L3 cache: 24.75 MB (total) on the Core i9-7980XE vs 32 MB on the Ryzen 7 5800X.

Feature	Core i9-7980XE	Ryzen 7 5800X
Cores / Threads	18 / 36+125%	8 / 16
Boost Clock	4.4 GHz	4.7 GHz+7%
Base Clock	2.6 GHz	3.8 GHz+46%
L3 Cache	24.75 MB (total)	32 MB+29%
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	14 nm	7 nm, 12 nm-50%
Architecture	Skylake (server) (2017−2018)	Vermeer (Zen 3) (2020−2022)
PassMark	29,634+7%	27,712

🧠

Memory & Platform

The Core i9-7980XE uses the LGA2066 socket (PCIe 3.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Memory channels: 4 (Core i9-7980XE) vs 2 (Ryzen 7 5800X). PCIe lanes: 44 (Core i9-7980XE) vs 24 (Ryzen 7 5800X) — the Core i9-7980XE offers 20 more lanes for additional GPUs or NVMe drives.

Feature	Core i9-7980XE	Ryzen 7 5800X
Socket	LGA2066	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	4+100%	2
ECC Support	No	Yes
PCIe Lanes	44+83%	24

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Core i9-7980XE supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-7980XE) vs AMD-V (Ryzen 7 5800X). Primary use case: Core i9-7980XE targets Workstation, Ryzen 7 5800X targets Desktop.

Feature	Core i9-7980XE	Ryzen 7 5800X
Integrated GPU	No	No
Unlocked	Yes	Yes
AVX-512	Yes	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	Workstation	Desktop

💰

Value Analysis

The Core i9-7980XE launched at $1999 MSRP, while the Ryzen 7 5800X debuted at $449. On MSRP ($1999 vs $449), the Ryzen 7 5800X is $1550 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-7980XE delivers 14.8 pts/$ vs 61.7 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 122.5% better value option.