Core i7-12700K vs EPYC 7663

CPU

GPU

Core i7-12700K

12 Cores20 Thrd125 WWMax: 5 GHz2021

Popular choices:

•••••••••

EPYC 7663

56 Cores112 Thrd240 WWMax: 3.5 GHz2021

Popular choices:

••i7-12700K•••••••

Performance Spectrum - CPU

Core i7-12700K

12 / 20

34,347

0.0%

82,120

+139.1%

Ryzen 9 5950X

Ryzen Threadripper 3960X

Ryzen Threadripper 3970X

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

About PassMark

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 i7-12700K

2021

Why buy it

✅Better for gaming: +15.4% higher average FPS across 13 shared CPU benchmark tests.
✅Costs $5,957 less on MSRP ($409 MSRP vs $6,366 MSRP).
✅Delivers 551.0% more PassMark for each dollar spent, at 84.0 vs 12.9 PassMark/$ ($409 MSRP vs $6,366 MSRP).
✅Draws 125W instead of 240W, a 115W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark (34,347 vs 82,120).
❌Smaller total L3 cache (25 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

Why buy it

✅+139.1% higher PassMark.
✅+924% larger total L3 cache (256 MB vs 25 MB).
✅Better for workstations and heavier parallel workloads: 56 cores / 112 threads, plus 128 PCIe lanes vs 20.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 13 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 12.9 vs 84.0 PassMark/$ ($6,366 MSRP vs $409 MSRP).
❌92% higher power demand at 240W vs 125W.
❌Older platform position on SP3 with DDR4, while Core i7-12700K moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Core i7-12700K

2021

EPYC 7663

2021

Why buy it

✅Better for gaming: +15.4% higher average FPS across 13 shared CPU benchmark tests.
✅Costs $5,957 less on MSRP ($409 MSRP vs $6,366 MSRP).
✅Delivers 551.0% more PassMark for each dollar spent, at 84.0 vs 12.9 PassMark/$ ($409 MSRP vs $6,366 MSRP).
✅Draws 125W instead of 240W, a 115W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of SP3 and DDR4.

Why buy it

✅+139.1% higher PassMark.
✅+924% larger total L3 cache (256 MB vs 25 MB).
✅Better for workstations and heavier parallel workloads: 56 cores / 112 threads, plus 128 PCIe lanes vs 20.
✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (34,347 vs 82,120).
❌Smaller total L3 cache (25 MB vs 256 MB).
❌Less compelling for workstation-style loads than EPYC 7663, which brings 56 cores / 112 threads and 128 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 13 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 12.9 vs 84.0 PassMark/$ ($6,366 MSRP vs $409 MSRP).
❌92% higher power demand at 240W vs 125W.
❌Older platform position on SP3 with DDR4, while Core i7-12700K moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-12700K 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 Core i7-12700K is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, EPYC 7663 is the better fit. You are getting 139.1% better PassMark, backed by 56 cores and 112 threads. It also carries the larger cache pool with 924% larger total L3 cache (256 MB vs 25 MB).

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

Core i7-12700K is the smarter buy today. Core i7-12700K is $5,957 cheaper on MSRP at $409 MSRP versus $6,366 MSRP, and it gives you a 15.4% average FPS lead across 13 shared CPU game tests in our data. The trade-off is that EPYC 7663 is still stronger for heavier multi-core work with 139.1% better PassMark. It is also 551.0% better value on MSRP (84.0 vs 12.9 PassMark/$), 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?

Core i7-12700K is the more future-proof choice for 2026 and beyond. You are getting a healthier platform with LGA1700 and DDR5 instead of SP3. 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.

Core i7-12700K Benchmark Check

EPYC 7663 Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	EPYC 7663
1080p
low	314 FPS	190 FPS
medium	295 FPS	155 FPS
high	246 FPS	123 FPS
ultra	193 FPS	96 FPS
1440p
low	269 FPS	156 FPS
medium	225 FPS	123 FPS
high	182 FPS	94 FPS
ultra	145 FPS	75 FPS
4K
low	170 FPS	72 FPS
medium	142 FPS	60 FPS
high	109 FPS	46 FPS
ultra	96 FPS	38 FPS

Open Core i7-12700K Open EPYC 7663

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	EPYC 7663
1080p
low	630 FPS	238 FPS
medium	533 FPS	211 FPS
high	450 FPS	174 FPS
ultra	410 FPS	138 FPS
1440p
low	536 FPS	195 FPS
medium	475 FPS	177 FPS
high	403 FPS	151 FPS
ultra	349 FPS	116 FPS
4K
low	312 FPS	121 FPS
medium	280 FPS	112 FPS
high	266 FPS	97 FPS
ultra	234 FPS	79 FPS

Open Core i7-12700K Open EPYC 7663

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	EPYC 7663
1080p
low	797 FPS	836 FPS
medium	633 FPS	696 FPS
high	556 FPS	649 FPS
ultra	472 FPS	573 FPS
1440p
low	704 FPS	602 FPS
medium	565 FPS	500 FPS
high	490 FPS	458 FPS
ultra	422 FPS	400 FPS
4K
low	510 FPS	430 FPS
medium	425 FPS	335 FPS
high	381 FPS	300 FPS
ultra	321 FPS	242 FPS

Open Core i7-12700K Open EPYC 7663

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	EPYC 7663
1080p
low	859 FPS	954 FPS
medium	802 FPS	863 FPS
high	699 FPS	739 FPS
ultra	628 FPS	637 FPS
1440p
low	760 FPS	733 FPS
medium	678 FPS	636 FPS
high	590 FPS	542 FPS
ultra	519 FPS	466 FPS
4K
low	535 FPS	522 FPS
medium	488 FPS	464 FPS
high	437 FPS	406 FPS
ultra	384 FPS	353 FPS

Open Core i7-12700K Open EPYC 7663

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700K and EPYC 7663

Core i7-12700K

The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.

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.

⚡

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the EPYC 7663 offers 56 cores / 112 threads — the EPYC 7663 has 44 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 3.5 GHz on the EPYC 7663 — a 35.3% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the EPYC 7663 uses Milan (2021−2023) (7 nm+). In PassMark, the Core i7-12700K scores 34,347 against the EPYC 7663's 82,120 — a 82% lead for the EPYC 7663. L3 cache: 25 MB (total) on the Core i7-12700K vs 256 MB (total) on the EPYC 7663.

Feature	Core i7-12700K	EPYC 7663
Cores / Threads	12 / 20	56 / 112+367%
Boost Clock	5 GHz+43%	3.5 GHz
Base Clock	3.6 GHz+80%	2 GHz
L3 Cache	25 MB (total)	256 MB (total)+924%
L2 Cache	1.25 MB (per core)+150%	512 kB (per core)
Process	10 nm	7 nm+-30%
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Milan (2021−2023)
PassMark	34,347	82,120+139%
Geekbench 6 Single	—	1,370
Geekbench 6 Multi	—	12,380

🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the EPYC 7663 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR4-3200 on the EPYC 7663 — the Core i7-12700K supports 199.7% 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 — 187.9% more capacity for professional workloads. Memory channels: 2 (Core i7-12700K) vs 8 (EPYC 7663). PCIe lanes: 20 (Core i7-12700K) vs 128 (EPYC 7663) — the EPYC 7663 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and SP3 (EPYC 7663).

Feature	Core i7-12700K	EPYC 7663
Socket	LGA1700	SP3
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	4800+119900%	DDR4-3200
Max RAM Capacity	128	4096 GB+3355443100%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	128+540%

🔧

Advanced Features

Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-12700K) vs AMD-V (EPYC 7663). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the EPYC 7663 requires a dedicated GPU. Primary use case: EPYC 7663 targets Server. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; EPYC 7663 rivals Xeon Platinum 8380.

Feature	Core i7-12700K	EPYC 7663
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	None
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	Server

💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the EPYC 7663 debuted at $6366. On MSRP ($409 vs $6366), the Core i7-12700K is $5957 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 12.9 pts/$ for the EPYC 7663 — making the Core i7-12700K the 146.7% better value option.