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

✅Better for gaming: +21.4% higher average FPS across 50 shared CPU benchmark tests.
✅+1100% larger total L3 cache (18 MB vs 1.5 MB).
✅Costs $226 less on MSRP ($174 MSRP vs $400 MSRP).
✅Delivers 240.9% more PassMark for each dollar spent, at 112.3 vs 32.9 PassMark/$ ($174 MSRP vs $400 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of FCBGA1667 and DDR4.

Trade-offs

❌Less compelling for workstation-style loads than Xeon D-1581, which brings 16 cores / 32 threads.

Xeon D-1581

2016

Why buy it

✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark (13,173 vs 19,532).
❌Smaller total L3 cache (1.5 MB vs 18 MB).
❌Lower PassMark per dollar, at 32.9 vs 112.3 PassMark/$ ($400 MSRP vs $174 MSRP).
❌Older platform position on FCBGA1667 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.

Core i5-12400F

2022

Xeon D-1581

2016

Why buy it

✅Better for gaming: +21.4% higher average FPS across 50 shared CPU benchmark tests.
✅+1100% larger total L3 cache (18 MB vs 1.5 MB).
✅Costs $226 less on MSRP ($174 MSRP vs $400 MSRP).
✅Delivers 240.9% more PassMark for each dollar spent, at 112.3 vs 32.9 PassMark/$ ($174 MSRP vs $400 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of FCBGA1667 and DDR4.

Why buy it

✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Less compelling for workstation-style loads than Xeon D-1581, which brings 16 cores / 32 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark (13,173 vs 19,532).
❌Smaller total L3 cache (1.5 MB vs 18 MB).
❌Lower PassMark per dollar, at 32.9 vs 112.3 PassMark/$ ($400 MSRP vs $174 MSRP).
❌Older platform position on FCBGA1667 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.

Quick Answers

So, is Core i5-12400F better than Xeon D-1581?

Not in a simple one-size-fits-all way. Xeon D-1581 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, Core i5-12400F is the better pick here. According to our tests, it delivers 21.4% 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 i5-12400F is the better fit. You are getting 48.3% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 1100% larger total L3 cache (18 MB vs 1.5 MB).

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

Core i5-12400F is the smarter buy today. Core i5-12400F is $226 cheaper on MSRP at $174 MSRP versus $400 MSRP, and it gives you a 21.4% average FPS lead across 50 shared CPU game tests in our data. It is also 240.9% better value on MSRP (112.3 vs 32.9 PassMark/$), 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 i5-12400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2016), a healthier platform with LGA1700 and DDR5 instead of FCBGA1667, 1100% larger total L3 cache (18 MB vs 1.5 MB), and more multi-core headroom with 6 cores / 12 threads instead of 16/32. 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 i5-12400F Benchmark Check

Xeon D-1581 Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Xeon D-1581
1080p
low	183 FPS	162 FPS
medium	168 FPS	140 FPS
high	139 FPS	112 FPS
ultra	119 FPS	90 FPS
1440p
low	153 FPS	134 FPS
medium	132 FPS	114 FPS
high	106 FPS	89 FPS
ultra	89 FPS	72 FPS
4K
low	87 FPS	63 FPS
medium	81 FPS	57 FPS
high	64 FPS	44 FPS
ultra	49 FPS	35 FPS

Open Core i5-12400F Open Xeon D-1581

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Xeon D-1581
1080p
low	471 FPS	126 FPS
medium	397 FPS	114 FPS
high	341 FPS	107 FPS
ultra	301 FPS	86 FPS
1440p
low	407 FPS	110 FPS
medium	351 FPS	100 FPS
high	309 FPS	93 FPS
ultra	265 FPS	76 FPS
4K
low	282 FPS	86 FPS
medium	248 FPS	81 FPS
high	229 FPS	71 FPS
ultra	196 FPS	55 FPS

Open Core i5-12400F Open Xeon D-1581

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Xeon D-1581
1080p
low	488 FPS	329 FPS
medium	488 FPS	329 FPS
high	488 FPS	329 FPS
ultra	488 FPS	329 FPS
1440p
low	488 FPS	329 FPS
medium	488 FPS	329 FPS
high	485 FPS	329 FPS
ultra	434 FPS	329 FPS
4K
low	442 FPS	329 FPS
medium	389 FPS	329 FPS
high	337 FPS	329 FPS
ultra	274 FPS	272 FPS

Open Core i5-12400F Open Xeon D-1581

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Xeon D-1581
1080p
low	488 FPS	329 FPS
medium	488 FPS	329 FPS
high	488 FPS	329 FPS
ultra	488 FPS	329 FPS
1440p
low	488 FPS	329 FPS
medium	488 FPS	329 FPS
high	488 FPS	329 FPS
ultra	473 FPS	329 FPS
4K
low	488 FPS	329 FPS
medium	450 FPS	329 FPS
high	391 FPS	329 FPS
ultra	330 FPS	302 FPS

Open Core i5-12400F Open Xeon D-1581

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Xeon D-1581

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 D-1581

The Xeon D-1581 is manufactured by Intel. It was released in 2015-01-01. It is based on the Broadwell (2015−2019) architecture. It features 16 cores and 32 threads. Base frequency is 1.8 GHz, with boost up to 2.4 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 13,173 points. Launch price was $800.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon D-1581 offers 16 cores / 32 threads — the Xeon D-1581 has 10 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 2.4 GHz on the Xeon D-1581 — a 58.8% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 1.8 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon D-1581 uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon D-1581's 13,173 — a 38.9% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 1.5 MB (per core) on the Xeon D-1581.

Feature	Core i5-12400F	Xeon D-1581
Cores / Threads	6 / 12	16 / 32+167%
Boost Clock	4.4 GHz+83%	2.4 GHz
Base Clock	2.5 GHz+39%	1.8 GHz
L3 Cache	18 MB (total)+1100%	1.5 MB (per core)
L2 Cache	1.25 MB (per core)+400%	256K (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-S (2022)	Broadwell (2015−2019)
PassMark	19,532+48%	13,173
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 D-1581 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-12400F	Xeon D-1581
Socket	LGA1700	FCBGA1667
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR5-4800, DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-12400F) / not specified (Xeon D-1581). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Xeon D-1581
Integrated GPU	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Gaming Performance/Value	—

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the Xeon D-1581 debuted at $400. On MSRP ($174 vs $400), the Core i5-12400F is $226 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 32.9 pts/$ for the Xeon D-1581 — making the Core i5-12400F the 109.3% better value option.