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 i5-12400

2022

Why buy it

✅Costs $240 less on MSRP ($209 MSRP vs $449 MSRP).
✅Delivers 17.7% more PassMark for each dollar spent, at 89.9 vs 76.4 PassMark/$ ($209 MSRP vs $449 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.
✅Includes a boxed cooler (Yes), unlike Ryzen 7 7800X3D.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 9 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,400 vs 18,500).

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +23.7% higher average FPS across 9 shared CPU benchmark tests.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 76.4 vs 89.9 PassMark/$ ($449 MSRP vs $209 MSRP).
❌84.6% higher power demand at 120W vs 65W.
❌No boxed cooler included, unlike Core i5-12400.

Core i5-12400

2022

Ryzen 7 7800X3D

2023

Why buy it

✅Costs $240 less on MSRP ($209 MSRP vs $449 MSRP).
✅Delivers 17.7% more PassMark for each dollar spent, at 89.9 vs 76.4 PassMark/$ ($209 MSRP vs $449 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.
✅Includes a boxed cooler (Yes), unlike Ryzen 7 7800X3D.

Why buy it

✅Better for gaming: +23.7% higher average FPS across 9 shared CPU benchmark tests.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 9 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,400 vs 18,500).

Trade-offs

❌Lower PassMark per dollar, at 76.4 vs 89.9 PassMark/$ ($449 MSRP vs $209 MSRP).
❌84.6% higher power demand at 120W vs 65W.
❌No boxed cooler included, unlike Core i5-12400.

Quick Answers

So, is Ryzen 7 7800X3D better than Core i5-12400?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 23.7% average FPS lead across 9 shared CPU game tests in our data, 49.2% better Cinebench R23 multi-core, 82.5% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick here. According to our tests, it delivers 23.7% more average FPS across 9 shared CPU game tests. It also has a big cache advantage at 96 MB vs 18 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 49.2% better Cinebench R23 multi-core, backed by 8 cores and 16 threads. It also carries the larger cache pool with 433.3% larger total L3 cache (96 MB vs 18 MB).

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

Ryzen 7 7800X3D is still the faster CPU overall, but Core i5-12400 makes more sense if price matters more than absolute performance. Ryzen 7 7800X3D is 114.8% more expensive on MSRP at $449 MSRP versus $209 MSRP, and it gives you a 23.7% average FPS lead across 9 shared CPU game tests in our data. Core i5-12400 is also 17.7% better value on MSRP (89.9 vs 76.4 PassMark/$), which is why it is easier to justify for price-conscious builds on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i5-12400 can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Ryzen 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022), 3D V-Cache and a much larger 96 MB L3 cache instead of 18 MB, and more multi-core headroom with 8 cores / 16 threads instead of 6/12. 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 i5-12400 Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	Core i5-12400	Ryzen 7 7800X3D
1080p
low	183 FPS	266 FPS
medium	168 FPS	247 FPS
high	139 FPS	211 FPS
ultra	119 FPS	186 FPS
1440p
low	153 FPS	258 FPS
medium	132 FPS	215 FPS
high	106 FPS	171 FPS
ultra	89 FPS	154 FPS
4K
low	87 FPS	179 FPS
medium	81 FPS	149 FPS
high	64 FPS	112 FPS
ultra	49 FPS	100 FPS

Open Core i5-12400 Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400	Ryzen 7 7800X3D
1080p
low	470 FPS	857 FPS
medium	397 FPS	735 FPS
high	341 FPS	579 FPS
ultra	301 FPS	491 FPS
1440p
low	407 FPS	715 FPS
medium	351 FPS	607 FPS
high	309 FPS	497 FPS
ultra	265 FPS	396 FPS
4K
low	282 FPS	393 FPS
medium	248 FPS	337 FPS
high	229 FPS	314 FPS
ultra	196 FPS	271 FPS

Open Core i5-12400 Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400	Ryzen 7 7800X3D
1080p
low	470 FPS	857 FPS
medium	470 FPS	857 FPS
high	470 FPS	857 FPS
ultra	470 FPS	857 FPS
1440p
low	470 FPS	857 FPS
medium	470 FPS	851 FPS
high	470 FPS	786 FPS
ultra	434 FPS	656 FPS
4K
low	442 FPS	558 FPS
medium	389 FPS	479 FPS
high	337 FPS	427 FPS
ultra	274 FPS	362 FPS

Open Core i5-12400 Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Core i5-12400	Ryzen 7 7800X3D
1080p
low	470 FPS	857 FPS
medium	470 FPS	857 FPS
high	470 FPS	857 FPS
ultra	470 FPS	782 FPS
1440p
low	470 FPS	857 FPS
medium	470 FPS	760 FPS
high	470 FPS	669 FPS
ultra	470 FPS	576 FPS
4K
low	470 FPS	618 FPS
medium	450 FPS	556 FPS
high	391 FPS	495 FPS
ultra	330 FPS	428 FPS

Open Core i5-12400 Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400 and Ryzen 7 7800X3D

Core i5-12400

The Core i5-12400 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: 18,794 points. Launch price was $299.

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

⚡

Processing Power

The Core i5-12400 packs 6 cores / 12 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400 versus 5 GHz on the Ryzen 7 7800X3D — a 12.8% clock advantage for the Ryzen 7 7800X3D (base: 2.5 GHz vs 4.4 GHz). The Core i5-12400 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i5-12400 scores 18,794 against the Ryzen 7 7800X3D's 34,293 — a 58.4% lead for the Ryzen 7 7800X3D. Cinebench R23 multi-core: 12,400 vs 18,500 (39.5% advantage for the Ryzen 7 7800X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 2,381 vs 2,700, a 12.6% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 10,632 vs 15,000 (34.1% advantage for the Ryzen 7 7800X3D). L3 cache: 18 MB (total) on the Core i5-12400 vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core i5-12400	Ryzen 7 7800X3D
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.4 GHz	5 GHz+14%
Base Clock	2.5 GHz	4.4 GHz+76%
L3 Cache	18 MB (total)	96 MB (total)+433%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	5 nm-29%
Architecture	Alder Lake-S (2022)	Raphael (Zen4) (2022−2023)
PassMark	18,794	34,293+82%
Cinebench R23 Multi	12,400	18,500+49%
Geekbench 6 Single	2,381	2,700+13%
Geekbench 6 Multi	10,632	15,000+41%

🧠

Memory & Platform

The Core i5-12400 uses the LGA1700 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800, DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Core i5-12400	Ryzen 7 7800X3D
Socket	LGA1700	AM5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-5200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — UHD Graphics 730 (Core i5-12400) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-12400 targets Gaming Performance/Value, Ryzen 7 7800X3D targets Gaming. Direct competitor: Core i5-12400 rivals Ryzen 5 5600; Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Core i5-12400	Ryzen 7 7800X3D
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 730	AMD Radeon Graphics (2-core)
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	AMD-V
Target Use	Gaming Performance/Value	Gaming

💰

Value Analysis

The Core i5-12400 launched at $209 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($209 vs $449), the Core i5-12400 is $240 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400 delivers 89.9 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Core i5-12400 the 16.3% better value option.