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: +11.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $2,581 less on MSRP ($409 MSRP vs $2,990 MSRP).
✅Delivers 524.2% more PassMark for each dollar spent, at 84.0 vs 13.5 PassMark/$ ($409 MSRP vs $2,990 MSRP).
✅Draws 125W instead of 205W, a 80W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

❌Lower PassMark (34,347 vs 40,225).
❌Smaller total L3 cache (25 MB vs 48 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6338, which brings 32 cores / 64 threads and 64 PCIe lanes.

Xeon Gold 6338

2021

Why buy it

✅+17.1% higher PassMark.
✅+92% larger total L3 cache (48 MB vs 25 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 20.
✅220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 13.5 vs 84.0 PassMark/$ ($2,990 MSRP vs $409 MSRP).
❌64% higher power demand at 205W vs 125W.
❌Older platform position on LGA4189 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

Xeon Gold 6338

2021

Why buy it

✅Better for gaming: +11.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $2,581 less on MSRP ($409 MSRP vs $2,990 MSRP).
✅Delivers 524.2% more PassMark for each dollar spent, at 84.0 vs 13.5 PassMark/$ ($409 MSRP vs $2,990 MSRP).
✅Draws 125W instead of 205W, a 80W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA4189 and DDR4.

Why buy it

✅+17.1% higher PassMark.
✅+92% larger total L3 cache (48 MB vs 25 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 20.
✅220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (34,347 vs 40,225).
❌Smaller total L3 cache (25 MB vs 48 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6338, which brings 32 cores / 64 threads and 64 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 13.5 vs 84.0 PassMark/$ ($2,990 MSRP vs $409 MSRP).
❌64% higher power demand at 205W vs 125W.
❌Older platform position on LGA4189 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 Xeon Gold 6338?

Not in a simple one-size-fits-all way. Xeon Gold 6338 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, Xeon Gold 6338 is the better fit. You are getting 17.1% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 92% larger total L3 cache (48 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 $2,581 cheaper on MSRP at $409 MSRP versus $2,990 MSRP, and it gives you a 11.2% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Xeon Gold 6338 is still stronger for heavier multi-core work with 17.1% better PassMark. It is also 524.2% better value on MSRP (84.0 vs 13.5 PassMark/$), 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 LGA4189. 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

Xeon Gold 6338 Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	Xeon Gold 6338
1080p
low	314 FPS	186 FPS
medium	295 FPS	149 FPS
high	246 FPS	119 FPS
ultra	193 FPS	93 FPS
1440p
low	269 FPS	152 FPS
medium	225 FPS	118 FPS
high	182 FPS	90 FPS
ultra	145 FPS	72 FPS
4K
low	170 FPS	71 FPS
medium	142 FPS	59 FPS
high	109 FPS	46 FPS
ultra	96 FPS	37 FPS

Open Core i7-12700K Open Xeon Gold 6338

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	Xeon Gold 6338
1080p
low	630 FPS	233 FPS
medium	533 FPS	208 FPS
high	450 FPS	173 FPS
ultra	410 FPS	139 FPS
1440p
low	536 FPS	199 FPS
medium	475 FPS	181 FPS
high	403 FPS	154 FPS
ultra	349 FPS	119 FPS
4K
low	312 FPS	124 FPS
medium	280 FPS	115 FPS
high	266 FPS	101 FPS
ultra	234 FPS	82 FPS

Open Core i7-12700K Open Xeon Gold 6338

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	Xeon Gold 6338
1080p
low	797 FPS	969 FPS
medium	633 FPS	848 FPS
high	556 FPS	802 FPS
ultra	472 FPS	712 FPS
1440p
low	704 FPS	775 FPS
medium	565 FPS	669 FPS
high	490 FPS	632 FPS
ultra	422 FPS	561 FPS
4K
low	510 FPS	498 FPS
medium	425 FPS	393 FPS
high	381 FPS	350 FPS
ultra	321 FPS	285 FPS

Open Core i7-12700K Open Xeon Gold 6338

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	Xeon Gold 6338
1080p
low	859 FPS	884 FPS
medium	802 FPS	800 FPS
high	699 FPS	687 FPS
ultra	628 FPS	587 FPS
1440p
low	760 FPS	691 FPS
medium	678 FPS	606 FPS
high	590 FPS	518 FPS
ultra	519 FPS	440 FPS
4K
low	535 FPS	499 FPS
medium	488 FPS	446 FPS
high	437 FPS	390 FPS
ultra	384 FPS	336 FPS

Open Core i7-12700K Open Xeon Gold 6338

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700K and Xeon Gold 6338

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.

Xeon Gold 6338

The Xeon Gold 6338 is manufactured by Intel. It was released in 2015-01-01. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 48 MB. Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 205 Watt. Memory support: DDR4-3200. Passmark benchmark score: 40,225 points. Launch price was $800.

⚡

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Xeon Gold 6338 offers 32 cores / 64 threads — the Xeon Gold 6338 has 20 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 3.2 GHz on the Xeon Gold 6338 — a 43.9% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2 GHz). The Core i7-12700K is built on the Alder Lake, Golden Cove, Gracemont (2021) architecture. In PassMark, the Core i7-12700K scores 34,347 against the Xeon Gold 6338's 40,225 — a 15.8% lead for the Xeon Gold 6338. L3 cache: 25 MB (total) on the Core i7-12700K vs 48 MB on the Xeon Gold 6338.

Feature	Core i7-12700K	Xeon Gold 6338
Cores / Threads	12 / 20	32 / 64+167%
Boost Clock	5 GHz+56%	3.2 GHz
Base Clock	3.6 GHz+80%	2 GHz
L3 Cache	25 MB (total)	48 MB+92%
L2 Cache	1.25 MB (per core)	—
Process	10 nm	10 nm
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	—
PassMark	34,347	40,225+17%

🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Xeon Gold 6338 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus 3200 on the Xeon Gold 6338 — the Core i7-12700K supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338 supports up to 6144 of RAM compared to 128 — 191.8% more capacity for professional workloads. Memory channels: 2 (Core i7-12700K) vs 8 (Xeon Gold 6338). PCIe lanes: 20 (Core i7-12700K) vs 64 (Xeon Gold 6338) — the Xeon Gold 6338 offers 44 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and C621A (Xeon Gold 6338).

Feature	Core i7-12700K	Xeon Gold 6338
Socket	LGA1700	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	4800+50%	3200
Max RAM Capacity	128	6144+4700%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	64+220%

🔧

Advanced Features

Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6338 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Xeon Gold 6338 requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Xeon Gold 6338 rivals EPYC 7543.

Feature	Core i7-12700K	Xeon Gold 6338
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Xeon Gold 6338 debuted at $2990. On MSRP ($409 vs $2990), the Core i7-12700K is $2581 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 13.5 pts/$ for the Xeon Gold 6338 — making the Core i7-12700K the 144.8% better value option.