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.

Core i5-12400F vs Pentium Silver J5040 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i5-12400F vs Pentium Silver J5040: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-12400F

2022

Why buy it

✅Better for gaming: +206.5% higher average FPS across 50 shared CPU benchmark tests.
✅+350% larger total L3 cache (18 MB vs 4 MB).
✅Newer platform on LGA1700 with DDR5 support instead of FCBGA1090 and DDR4.
✅233.3% more PCIe lanes (20 vs 6) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Pentium Silver J5040.

Trade-offs

❌Launch MSRP is still $174 MSRP, while Pentium Silver J5040 mostly shows up through inconsistent older-market listings.
❌550% higher power demand at 65W vs 10W.
❌No integrated graphics, while Pentium Silver J5040 can still boot and troubleshoot without a discrete GPU.

Pentium Silver J5040

2019

Why buy it

✅Draws 10W instead of 65W, a 55W reduction.
✅Integrated graphics onboard with Intel UHD Graphics 605, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (1,640 vs 12,380).
❌Smaller total L3 cache (4 MB vs 18 MB).
❌Older platform position on FCBGA1090 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core i5-12400F better than Pentium Silver J5040?

Yes. Core i5-12400F is the better all-around CPU here. It gives you a 206.5% average FPS lead across 50 shared CPU game tests in our data, 654.9% better Cinebench R23 multi-core, 500.6% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-12400F is the better pick. According to our tests, it delivers 206.5% 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 stronger fit. You are getting 654.9% better Cinebench R23 multi-core, backed by 6 cores and 12 threads. It also has the larger cache pool with 350% larger total L3 cache (18 MB vs 4 MB).

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

Core i5-12400F is the better buy right now. Core i5-12400F comes in at an unclear MSRP at $174 MSRP versus unclear MSRP, and it still gives you a 206.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-12400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019), a healthier platform with LGA1700 and DDR5 instead of FCBGA1090, 350% larger total L3 cache (18 MB vs 4 MB), and more multi-core headroom with 6 cores / 12 threads instead of 4/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Pentium Silver J5040 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

Pentium Silver J5040

The Pentium Silver J5040 is manufactured by Intel. It was released in 4 November 2019 (6 years ago). It is based on the Gemini Lake Refresh (2019) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 3,252 points. Launch price was $161.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Pentium Silver J5040 offers 4 cores / 4 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3.2 GHz on the Pentium Silver J5040 — a 31.6% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Pentium Silver J5040 uses Gemini Lake Refresh (2019) (14 nm). In PassMark, the Core i5-12400F scores 19,532 against the Pentium Silver J5040's 3,252 — a 142.9% lead for the Core i5-12400F. Cinebench R23 multi-core: 12,380 vs 1,640 (153.2% advantage for the Core i5-12400F). Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 435, a 118.5% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 1,180 (56.9% advantage for the Pentium Silver J5040). L3 cache: 18 MB (total) on the Core i5-12400F vs 4 MB on the Pentium Silver J5040.

Feature	Core i5-12400F	Pentium Silver J5040
Cores / Threads	6 / 12+50%	4 / 4
Boost Clock	4.4 GHz+38%	3.2 GHz
Base Clock	2.5 GHz+25%	2 GHz
L3 Cache	18 MB (total)+350%	4 MB
L2 Cache	1.25 MB (per core)	4 MB (total)+220%
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-S (2022)	Gemini Lake Refresh (2019)
PassMark	19,532+501%	3,252
Cinebench R23 Multi	12,380+655%	1,640
Geekbench 6 Single	1,700+291%	435
Geekbench 6 Multi	657	1,180+80%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Pentium Silver J5040 uses FCBGA1090 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR4-2400 / LPDDR4-2400 on the Pentium Silver J5040 — the Core i5-12400F supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 8 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400F) vs 6 (Pentium Silver J5040) — the Core i5-12400F offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and Gemini Lake Refresh SoC (Pentium Silver J5040).

Feature	Core i5-12400F	Pentium Silver J5040
Socket	LGA1700	FCBGA1090
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR5-4800, DDR4-3200+100%	DDR4-2400 / LPDDR4-2400
Max RAM Capacity	128 GB+1500%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	20+233%	6

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x / VT-d / EPT (Pentium Silver J5040). The Pentium Silver J5040 includes integrated graphics (Intel UHD Graphics 605), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value, Pentium Silver J5040 targets Mini-PC. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Pentium Silver J5040
Integrated GPU	No	Yes
IGPU Model	—	Intel UHD Graphics 605
Unlocked	—	No
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	VT-x / VT-d / EPT
Target Use	Gaming Performance/Value	Mini-PC