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: +19.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $159 less on MSRP ($409 MSRP vs $568 MSRP).
✅Delivers 71.7% more PassMark for each dollar spent, at 84.0 vs 48.9 PassMark/$ ($409 MSRP vs $568 MSRP).
✅Integrated graphics onboard with Intel UHD Graphics 770, while Xeon E-2478 needs a discrete GPU.

Trade-offs

❌56.3% higher power demand at 125W vs 80W.

Xeon E-2478

2023

Why buy it

✅Draws 80W instead of 125W, a 45W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 50 shared CPU benchmark tests.
❌Lower PassMark (27,776 vs 34,347).
❌Lower PassMark per dollar, at 48.9 vs 84.0 PassMark/$ ($568 MSRP vs $409 MSRP).
❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Core i7-12700K

2021

Xeon E-2478

2023

Why buy it

✅Better for gaming: +19.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $159 less on MSRP ($409 MSRP vs $568 MSRP).
✅Delivers 71.7% more PassMark for each dollar spent, at 84.0 vs 48.9 PassMark/$ ($409 MSRP vs $568 MSRP).
✅Integrated graphics onboard with Intel UHD Graphics 770, while Xeon E-2478 needs a discrete GPU.

Why buy it

✅Draws 80W instead of 125W, a 45W reduction.

Trade-offs

❌56.3% higher power demand at 125W vs 80W.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 50 shared CPU benchmark tests.
❌Lower PassMark (27,776 vs 34,347).
❌Lower PassMark per dollar, at 48.9 vs 84.0 PassMark/$ ($568 MSRP vs $409 MSRP).
❌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 E-2478?

Not in a simple one-size-fits-all way. Xeon E-2478 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 gaming?

If gaming is the priority, Core i7-12700K is the better pick here. According to our tests, it delivers 19.6% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-12700K is the better fit. You are getting 23.7% better PassMark, backed by 12 cores and 20 threads.

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

Core i7-12700K is the smarter buy today. Core i7-12700K is $159 cheaper on MSRP at $409 MSRP versus $568 MSRP, and it gives you a 19.6% average FPS lead across 50 shared CPU game tests in our data. It is also 71.7% better value on MSRP (84.0 vs 48.9 PassMark/$), 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?

Xeon E-2478 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021). 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 i7-12700K Benchmark Check

Xeon E-2478 Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	Xeon E-2478
1080p
low	314 FPS	257 FPS
medium	295 FPS	246 FPS
high	246 FPS	205 FPS
ultra	193 FPS	176 FPS
1440p
low	269 FPS	222 FPS
medium	225 FPS	190 FPS
high	182 FPS	152 FPS
ultra	145 FPS	133 FPS
4K
low	170 FPS	153 FPS
medium	142 FPS	130 FPS
high	109 FPS	99 FPS
ultra	96 FPS	88 FPS

Open Core i7-12700K Open Xeon E-2478

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	Xeon E-2478
1080p
low	630 FPS	616 FPS
medium	533 FPS	522 FPS
high	450 FPS	443 FPS
ultra	410 FPS	404 FPS
1440p
low	536 FPS	533 FPS
medium	475 FPS	467 FPS
high	403 FPS	398 FPS
ultra	349 FPS	342 FPS
4K
low	312 FPS	313 FPS
medium	280 FPS	280 FPS
high	266 FPS	267 FPS
ultra	234 FPS	232 FPS

Open Core i7-12700K Open Xeon E-2478

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	Xeon E-2478
1080p
low	797 FPS	646 FPS
medium	633 FPS	529 FPS
high	556 FPS	466 FPS
ultra	472 FPS	404 FPS
1440p
low	704 FPS	588 FPS
medium	565 FPS	489 FPS
high	490 FPS	425 FPS
ultra	422 FPS	369 FPS
4K
low	510 FPS	424 FPS
medium	425 FPS	369 FPS
high	381 FPS	335 FPS
ultra	321 FPS	285 FPS

Open Core i7-12700K Open Xeon E-2478

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	Xeon E-2478
1080p
low	859 FPS	694 FPS
medium	802 FPS	694 FPS
high	699 FPS	694 FPS
ultra	628 FPS	652 FPS
1440p
low	760 FPS	694 FPS
medium	678 FPS	694 FPS
high	590 FPS	608 FPS
ultra	519 FPS	535 FPS
4K
low	535 FPS	536 FPS
medium	488 FPS	490 FPS
high	437 FPS	438 FPS
ultra	384 FPS	382 FPS

Open Core i7-12700K Open Xeon E-2478

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700K and Xeon E-2478

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 E-2478

The Xeon E-2478 is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 5.2 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 80 Watt. Memory support: DDR5-4800. Passmark benchmark score: 27,776 points. Launch price was $568.

⚡

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Xeon E-2478 offers 8 cores / 16 threads — the Core i7-12700K has 4 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 5.2 GHz on the Xeon E-2478 — a 3.9% clock advantage for the Xeon E-2478 (base: 3.6 GHz vs 2.8 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Xeon E-2478 uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Core i7-12700K scores 34,347 against the Xeon E-2478's 27,776 — a 21.2% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 24 MB (total) on the Xeon E-2478.

Feature	Core i7-12700K	Xeon E-2478
Cores / Threads	12 / 20+50%	8 / 16
Boost Clock	5 GHz	5.2 GHz+4%
Base Clock	3.6 GHz+29%	2.8 GHz
L3 Cache	25 MB (total)+4%	24 MB (total)
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	10 nm	Intel 7 nm-30%
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Raptor Lake-S (2023−2024)
PassMark	34,347+24%	27,776

🧠

Memory & Platform

Both processors use the LGA1700 socket with PCIe 5.0. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR5-4800 on the Xeon E-2478 — the Core i7-12700K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes.

Feature	Core i7-12700K	Xeon E-2478
Socket	LGA1700	LGA1700
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	4800+95900%	DDR5-4800
Max RAM Capacity	128	128 GB+104857500%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	20

🔧

Advanced Features

Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Xeon E-2478 requires a dedicated GPU. Primary use case: Xeon E-2478 targets Server. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.

Feature	Core i7-12700K	Xeon E-2478
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	—
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	—	Server

💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Xeon E-2478 debuted at $568. On MSRP ($409 vs $568), the Core i7-12700K is $159 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 48.9 pts/$ for the Xeon E-2478 — making the Core i7-12700K the 52.8% better value option.