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

✅Costs $4,040 less on MSRP ($409 MSRP vs $4,449 MSRP).
✅Delivers 824.4% more PassMark for each dollar spent, at 84.0 vs 9.1 PassMark/$ ($409 MSRP vs $4,449 MSRP).
✅Draws 125W instead of 205W, a 80W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA3647 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Xeon W-3275M needs a discrete GPU.

Trade-offs

❌Lower PassMark (34,347 vs 40,419).
❌Smaller total L3 cache (25 MB vs 39 MB).
❌Less compelling for workstation-style loads than Xeon W-3275M, which brings 28 cores / 56 threads and 64 PCIe lanes.

Xeon W-3275M

2019

Why buy it

✅+17.7% higher PassMark.
✅+54% larger total L3 cache (39 MB vs 25 MB).
✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 64 PCIe lanes vs 20.
✅220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 9.1 vs 84.0 PassMark/$ ($4,449 MSRP vs $409 MSRP).
❌64% higher power demand at 205W vs 125W.
❌Older platform position on LGA3647 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 W-3275M

2019

Why buy it

✅Costs $4,040 less on MSRP ($409 MSRP vs $4,449 MSRP).
✅Delivers 824.4% more PassMark for each dollar spent, at 84.0 vs 9.1 PassMark/$ ($409 MSRP vs $4,449 MSRP).
✅Draws 125W instead of 205W, a 80W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA3647 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Xeon W-3275M needs a discrete GPU.

Why buy it

✅+17.7% higher PassMark.
✅+54% larger total L3 cache (39 MB vs 25 MB).
✅Better for workstations and heavier parallel workloads: 28 cores / 56 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 40,419).
❌Smaller total L3 cache (25 MB vs 39 MB).
❌Less compelling for workstation-style loads than Xeon W-3275M, which brings 28 cores / 56 threads and 64 PCIe lanes.

Trade-offs

❌Lower PassMark per dollar, at 9.1 vs 84.0 PassMark/$ ($4,449 MSRP vs $409 MSRP).
❌64% higher power demand at 205W vs 125W.
❌Older platform position on LGA3647 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 W-3275M?

Not in a simple one-size-fits-all way. Xeon W-3275M 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 W-3275M is the better fit. You are getting 17.7% better PassMark, backed by 28 cores and 56 threads. It also carries the larger cache pool with 54% larger total L3 cache (39 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 $4,040 cheaper on MSRP at $409 MSRP versus $4,449 MSRP, and it gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon W-3275M is still stronger for heavier multi-core work with 17.7% better PassMark. It is also 824.4% better value on MSRP (84.0 vs 9.1 PassMark/$), 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 newer CPU generation (2021 vs 2019) and a healthier platform with LGA1700 and DDR5 instead of LGA3647. 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 W-3275M Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	Xeon W-3275M
1080p
low	314 FPS	198 FPS
medium	295 FPS	162 FPS
high	246 FPS	132 FPS
ultra	193 FPS	106 FPS
1440p
low	269 FPS	159 FPS
medium	225 FPS	125 FPS
high	182 FPS	100 FPS
ultra	145 FPS	83 FPS
4K
low	170 FPS	87 FPS
medium	142 FPS	74 FPS
high	109 FPS	58 FPS
ultra	96 FPS	47 FPS

Open Core i7-12700K Open Xeon W-3275M

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	Xeon W-3275M
1080p
low	630 FPS	607 FPS
medium	533 FPS	522 FPS
high	450 FPS	420 FPS
ultra	410 FPS	371 FPS
1440p
low	536 FPS	514 FPS
medium	475 FPS	447 FPS
high	403 FPS	370 FPS
ultra	349 FPS	306 FPS
4K
low	312 FPS	306 FPS
medium	280 FPS	266 FPS
high	266 FPS	243 FPS
ultra	234 FPS	213 FPS

Open Core i7-12700K Open Xeon W-3275M

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	Xeon W-3275M
1080p
low	797 FPS	1010 FPS
medium	633 FPS	928 FPS
high	556 FPS	876 FPS
ultra	472 FPS	793 FPS
1440p
low	704 FPS	808 FPS
medium	565 FPS	715 FPS
high	490 FPS	675 FPS
ultra	422 FPS	605 FPS
4K
low	510 FPS	519 FPS
medium	425 FPS	429 FPS
high	381 FPS	387 FPS
ultra	321 FPS	315 FPS

Open Core i7-12700K Open Xeon W-3275M

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	Xeon W-3275M
1080p
low	859 FPS	1010 FPS
medium	802 FPS	1010 FPS
high	699 FPS	885 FPS
ultra	628 FPS	773 FPS
1440p
low	760 FPS	932 FPS
medium	678 FPS	804 FPS
high	590 FPS	702 FPS
ultra	519 FPS	603 FPS
4K
low	535 FPS	680 FPS
medium	488 FPS	591 FPS
high	437 FPS	521 FPS
ultra	384 FPS	437 FPS

Open Core i7-12700K Open Xeon W-3275M

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700K and Xeon W-3275M

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 W-3275M

The Xeon W-3275M is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 40,419 points. Launch price was $7,453.

⚡

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Xeon W-3275M offers 28 cores / 56 threads — the Xeon W-3275M has 16 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.6 GHz on the Xeon W-3275M — a 8.3% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2.5 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Xeon W-3275M uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i7-12700K scores 34,347 against the Xeon W-3275M's 40,419 — a 16.2% lead for the Xeon W-3275M. L3 cache: 25 MB (total) on the Core i7-12700K vs 38.5 MB on the Xeon W-3275M.

Feature	Core i7-12700K	Xeon W-3275M
Cores / Threads	12 / 20	28 / 56+133%
Boost Clock	5 GHz+9%	4.6 GHz
Base Clock	3.6 GHz+44%	2.5 GHz
L3 Cache	25 MB (total)	38.5 MB+54%
L2 Cache	1.25 MB (per core)	28 MB+2140%
Process	10 nm-29%	14 nm
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Cascade Lake (2019−2020)
PassMark	34,347	40,419+18%

🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Xeon W-3275M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus 2933 on the Xeon W-3275M — the Core i7-12700K supports 48.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3275M supports up to 2048 of RAM compared to 128 — 176.5% more capacity for professional workloads. Memory channels: 2 (Core i7-12700K) vs 6 (Xeon W-3275M). PCIe lanes: 20 (Core i7-12700K) vs 64 (Xeon W-3275M) — the Xeon W-3275M offers 44 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and C620 (Xeon W-3275M).

Feature	Core i7-12700K	Xeon W-3275M
Socket	LGA1700	LGA3647
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	4800+64%	2933
Max RAM Capacity	128	2048+1500%
RAM Channels	2	6+200%
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 W-3275M 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 W-3275M requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Xeon W-3275M rivals EPYC 7742.

Feature	Core i7-12700K	Xeon W-3275M
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 W-3275M debuted at $4449. On MSRP ($409 vs $4449), the Core i7-12700K is $4040 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 9.1 pts/$ for the Xeon W-3275M — making the Core i7-12700K the 161% better value option.