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 7663

2021

Why buy it

✅+166.7% larger total L3 cache (256 MB vs 96 MB).
✅Better for workstations and heavier parallel workloads: 56 cores / 112 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 4 shared CPU benchmark tests.
❌Lower Geekbench multi-core (12,380 vs 15,000).
❌Lower PassMark per dollar, at 12.9 vs 76.4 PassMark/$ ($6,366 MSRP vs $449 MSRP).
❌100% higher power demand at 240W vs 120W.
❌Older platform position on SP3 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +60.4% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $5,917 less on MSRP ($449 MSRP vs $6,366 MSRP).
✅Delivers 492.1% more PassMark for each dollar spent, at 76.4 vs 12.9 PassMark/$ ($449 MSRP vs $6,366 MSRP).
✅Draws 120W instead of 240W, a 120W reduction.
✅Newer platform on AM5 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Smaller total L3 cache (96 MB vs 256 MB).
❌Less compelling for workstation-style loads than EPYC 7663, which brings 56 cores / 112 threads and 128 PCIe lanes.

EPYC 7663

2021

Ryzen 7 7800X3D

2023

Why buy it

✅+166.7% larger total L3 cache (256 MB vs 96 MB).
✅Better for workstations and heavier parallel workloads: 56 cores / 112 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +60.4% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $5,917 less on MSRP ($449 MSRP vs $6,366 MSRP).
✅Delivers 492.1% more PassMark for each dollar spent, at 76.4 vs 12.9 PassMark/$ ($449 MSRP vs $6,366 MSRP).
✅Draws 120W instead of 240W, a 120W reduction.
✅Newer platform on AM5 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 4 shared CPU benchmark tests.
❌Lower Geekbench multi-core (12,380 vs 15,000).
❌Lower PassMark per dollar, at 12.9 vs 76.4 PassMark/$ ($6,366 MSRP vs $449 MSRP).
❌100% higher power demand at 240W vs 120W.
❌Older platform position on SP3 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Trade-offs

❌Smaller total L3 cache (96 MB vs 256 MB).
❌Less compelling for workstation-style loads than EPYC 7663, which brings 56 cores / 112 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 7 7800X3D better than EPYC 7663?

Not in a simple one-size-fits-all way. EPYC 7663 makes more sense for workstation-style multi-core throughput, while Ryzen 7 7800X3D 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 7800X3D is the better pick here. According to our tests, it delivers 60.4% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 21.2% better Geekbench multi-core, backed by 8 cores and 16 threads.

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

Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is $5,917 cheaper on MSRP at $449 MSRP versus $6,366 MSRP, and it gives you a 60.4% average FPS lead across 4 shared CPU game tests in our data. It is also 492.1% better value on MSRP (76.4 vs 12.9 PassMark/$), 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 7800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with AM5 and DDR5 instead of SP3, more multi-core headroom with 8 cores / 16 threads instead of 56/112, 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.

EPYC 7663 Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	EPYC 7663	Ryzen 7 7800X3D
1080p
low	190 FPS	266 FPS
medium	155 FPS	247 FPS
high	123 FPS	211 FPS
ultra	96 FPS	186 FPS
1440p
low	156 FPS	258 FPS
medium	123 FPS	215 FPS
high	94 FPS	171 FPS
ultra	75 FPS	154 FPS
4K
low	72 FPS	179 FPS
medium	60 FPS	149 FPS
high	46 FPS	112 FPS
ultra	38 FPS	100 FPS

Open EPYC 7663 Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7663	Ryzen 7 7800X3D
1080p
low	238 FPS	857 FPS
medium	211 FPS	735 FPS
high	174 FPS	579 FPS
ultra	138 FPS	491 FPS
1440p
low	195 FPS	715 FPS
medium	177 FPS	607 FPS
high	151 FPS	497 FPS
ultra	116 FPS	396 FPS
4K
low	121 FPS	393 FPS
medium	112 FPS	337 FPS
high	97 FPS	314 FPS
ultra	79 FPS	271 FPS

Open EPYC 7663 Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7663	Ryzen 7 7800X3D
1080p
low	836 FPS	857 FPS
medium	696 FPS	857 FPS
high	649 FPS	857 FPS
ultra	573 FPS	857 FPS
1440p
low	602 FPS	857 FPS
medium	500 FPS	851 FPS
high	458 FPS	786 FPS
ultra	400 FPS	656 FPS
4K
low	430 FPS	558 FPS
medium	335 FPS	479 FPS
high	300 FPS	427 FPS
ultra	242 FPS	362 FPS

Open EPYC 7663 Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	EPYC 7663	Ryzen 7 7800X3D
1080p
low	954 FPS	857 FPS
medium	863 FPS	857 FPS
high	739 FPS	857 FPS
ultra	637 FPS	782 FPS
1440p
low	733 FPS	857 FPS
medium	636 FPS	760 FPS
high	542 FPS	669 FPS
ultra	466 FPS	576 FPS
4K
low	522 FPS	618 FPS
medium	464 FPS	556 FPS
high	406 FPS	495 FPS
ultra	353 FPS	428 FPS

Open EPYC 7663 Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7663 and Ryzen 7 7800X3D

EPYC 7663

The EPYC 7663 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 56 cores and 112 threads. Base frequency is 2 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 82,120 points. Launch price was $6,366.

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

⚡

Processing Power

The EPYC 7663 packs 56 cores / 112 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the EPYC 7663 has 48 more cores. Boost clocks reach 3.5 GHz on the EPYC 7663 versus 5 GHz on the Ryzen 7 7800X3D — a 35.3% clock advantage for the Ryzen 7 7800X3D (base: 2 GHz vs 4.4 GHz). The EPYC 7663 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 7663 scores 82,120 against the Ryzen 7 7800X3D's 34,293 — a 82.2% lead for the EPYC 7663. Geekbench 6 single-core — the metric most relevant to gaming — records 1,370 vs 2,700, a 65.4% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 12,380 vs 15,000 (19.1% advantage for the Ryzen 7 7800X3D). L3 cache: 256 MB (total) on the EPYC 7663 vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	EPYC 7663	Ryzen 7 7800X3D
Cores / Threads	56 / 112+600%	8 / 16
Boost Clock	3.5 GHz	5 GHz+43%
Base Clock	2 GHz	4.4 GHz+120%
L3 Cache	256 MB (total)+167%	96 MB (total)
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	7 nm+	5 nm-29%
Architecture	Milan (2021−2023)	Raphael (Zen4) (2022−2023)
PassMark	82,120+139%	34,293
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	1,370	2,700+97%
Geekbench 6 Multi	12,380	15,000+21%

🧠

Memory & Platform

The EPYC 7663 uses the SP3 socket (PCIe 4.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7663 versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7663 supports up to 4096 GB of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7663) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 128 (EPYC 7663) vs 28 (Ryzen 7 7800X3D) — the EPYC 7663 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7663) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	EPYC 7663	Ryzen 7 7800X3D
Socket	SP3	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-5200+25%
Max RAM Capacity	4096 GB+3100%	128 GB
RAM Channels	8+300%	2
ECC Support	Yes	Yes
PCIe Lanes	128+357%	28

🔧

Advanced Features

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 7663 requires a dedicated GPU. Primary use case: EPYC 7663 targets Server, Ryzen 7 7800X3D targets Gaming. Direct competitor: EPYC 7663 rivals Xeon Platinum 8380; Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	EPYC 7663	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	None	AMD Radeon Graphics (2-core)
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	AMD-V	AMD-V
Target Use	Server	Gaming

💰

Value Analysis

The EPYC 7663 launched at $6366 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($6366 vs $449), the Ryzen 7 7800X3D is $5917 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7663 delivers 12.9 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 142.2% better value option.