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 i5-12400F

2022

Why buy it

✅Costs $6,366 less on MSRP ($174 MSRP vs $6,540 MSRP).
✅Delivers 1077.5% more PassMark for each dollar spent, at 112.3 vs 9.5 PassMark/$ ($174 MSRP vs $6,540 MSRP).
✅Draws 65W instead of 270W, a 205W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon Platinum 8454H.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Platinum 8454H across 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 62,347).
❌Smaller total L3 cache (18 MB vs 83 MB).
❌Less compelling for workstation-style loads than Xeon Platinum 8454H, which brings 32 cores / 64 threads and 80 PCIe lanes.

Xeon Platinum 8454H

2023

Why buy it

✅Better for gaming: +6.9% higher average FPS across 50 shared CPU benchmark tests.
✅+358.3% larger total L3 cache (83 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 20.
✅300% more PCIe lanes (80 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 9.5 vs 112.3 PassMark/$ ($6,540 MSRP vs $174 MSRP).
❌315.4% higher power demand at 270W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Xeon Platinum 8454H

2023

Why buy it

✅Costs $6,366 less on MSRP ($174 MSRP vs $6,540 MSRP).
✅Delivers 1077.5% more PassMark for each dollar spent, at 112.3 vs 9.5 PassMark/$ ($174 MSRP vs $6,540 MSRP).
✅Draws 65W instead of 270W, a 205W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon Platinum 8454H.

Why buy it

✅Better for gaming: +6.9% higher average FPS across 50 shared CPU benchmark tests.
✅+358.3% larger total L3 cache (83 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 20.
✅300% more PCIe lanes (80 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Platinum 8454H across 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 62,347).
❌Smaller total L3 cache (18 MB vs 83 MB).
❌Less compelling for workstation-style loads than Xeon Platinum 8454H, which brings 32 cores / 64 threads and 80 PCIe lanes.

Trade-offs

❌Lower PassMark per dollar, at 9.5 vs 112.3 PassMark/$ ($6,540 MSRP vs $174 MSRP).
❌315.4% higher power demand at 270W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Xeon Platinum 8454H better than Core i5-12400F?

Not in a simple one-size-fits-all way. Xeon Platinum 8454H makes more sense for workstation-style multi-core throughput, while Core i5-12400F 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, Xeon Platinum 8454H is the better pick here. According to our tests, it delivers 6.9% 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, Xeon Platinum 8454H is the better fit. You are getting 219.2% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 358.3% larger total L3 cache (83 MB vs 18 MB).

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

Xeon Platinum 8454H is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. Xeon Platinum 8454H is 3658.6% more expensive on MSRP at $6,540 MSRP versus $174 MSRP, and it gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 1077.5% better value on MSRP (112.3 vs 9.5 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

Which one is more future-proof for 2026 and beyond?

Xeon Platinum 8454H is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022), 358.3% larger total L3 cache (83 MB vs 18 MB), more multi-core headroom with 32 cores / 64 threads instead of 6/12, and AVX-512 support for heavier modern compute workloads. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 i5-12400F Benchmark Check

Xeon Platinum 8454H Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Xeon Platinum 8454H
1080p
low	183 FPS	186 FPS
medium	168 FPS	168 FPS
high	139 FPS	135 FPS
ultra	119 FPS	109 FPS
1440p
low	153 FPS	153 FPS
medium	132 FPS	129 FPS
high	106 FPS	98 FPS
ultra	89 FPS	81 FPS
4K
low	87 FPS	71 FPS
medium	81 FPS	63 FPS
high	64 FPS	48 FPS
ultra	49 FPS	40 FPS

Open Core i5-12400F Open Xeon Platinum 8454H

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Xeon Platinum 8454H
1080p
low	471 FPS	250 FPS
medium	397 FPS	224 FPS
high	341 FPS	186 FPS
ultra	301 FPS	148 FPS
1440p
low	407 FPS	205 FPS
medium	351 FPS	187 FPS
high	309 FPS	160 FPS
ultra	265 FPS	124 FPS
4K
low	282 FPS	128 FPS
medium	248 FPS	119 FPS
high	229 FPS	103 FPS
ultra	196 FPS	83 FPS

Open Core i5-12400F Open Xeon Platinum 8454H

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Xeon Platinum 8454H
1080p
low	488 FPS	811 FPS
medium	488 FPS	735 FPS
high	488 FPS	700 FPS
ultra	488 FPS	624 FPS
1440p
low	488 FPS	724 FPS
medium	488 FPS	651 FPS
high	485 FPS	608 FPS
ultra	434 FPS	547 FPS
4K
low	442 FPS	486 FPS
medium	389 FPS	397 FPS
high	337 FPS	354 FPS
ultra	274 FPS	294 FPS

Open Core i5-12400F Open Xeon Platinum 8454H

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Xeon Platinum 8454H
1080p
low	488 FPS	1084 FPS
medium	488 FPS	965 FPS
high	488 FPS	823 FPS
ultra	488 FPS	679 FPS
1440p
low	488 FPS	891 FPS
medium	488 FPS	765 FPS
high	488 FPS	650 FPS
ultra	473 FPS	536 FPS
4K
low	488 FPS	646 FPS
medium	450 FPS	567 FPS
high	391 FPS	496 FPS
ultra	330 FPS	415 FPS

Open Core i5-12400F Open Xeon Platinum 8454H

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Xeon Platinum 8454H

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

Xeon Platinum 8454H

The Xeon Platinum 8454H is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L3 cache: 82.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 62,347 points. Launch price was $6,540.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon Platinum 8454H offers 32 cores / 64 threads — the Xeon Platinum 8454H has 26 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3.4 GHz on the Xeon Platinum 8454H — a 25.6% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.1 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon Platinum 8454H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon Platinum 8454H's 62,347 — a 104.6% lead for the Xeon Platinum 8454H. L3 cache: 18 MB (total) on the Core i5-12400F vs 82.5 MB on the Xeon Platinum 8454H.

Feature	Core i5-12400F	Xeon Platinum 8454H
Cores / Threads	6 / 12	32 / 64+433%
Boost Clock	4.4 GHz+29%	3.4 GHz
Base Clock	2.5 GHz+19%	2.1 GHz
L3 Cache	18 MB (total)	82.5 MB+358%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Alder Lake-S (2022)	Sapphire Rapids (2023−2024)
PassMark	19,532	62,347+219%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Xeon Platinum 8454H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus 4800 on the Xeon Platinum 8454H — the Xeon Platinum 8454H supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8454H supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 8 (Xeon Platinum 8454H). PCIe lanes: 20 (Core i5-12400F) vs 80 (Xeon Platinum 8454H) — the Xeon Platinum 8454H offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and C741 (Xeon Platinum 8454H).

Feature	Core i5-12400F	Xeon Platinum 8454H
Socket	LGA1700	LGA4677
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	4800+95900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	20	80+300%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d (Xeon Platinum 8454H). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Xeon Platinum 8454H rivals EPYC 9354.

Feature	Core i5-12400F	Xeon Platinum 8454H
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	No
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Gaming Performance/Value	—

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the Xeon Platinum 8454H debuted at $6540. On MSRP ($174 vs $6540), the Core i5-12400F is $6366 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 9.5 pts/$ for the Xeon Platinum 8454H — making the Core i5-12400F the 168.7% better value option.