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: +5.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $3,664 less on MSRP ($174 MSRP vs $3,838 MSRP).
✅Delivers 1086.7% more PassMark for each dollar spent, at 112.3 vs 9.5 PassMark/$ ($174 MSRP vs $3,838 MSRP).
✅Draws 65W instead of 130W, a 65W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA2011 and older memory support.

Trade-offs

❌Lower PassMark (19,532 vs 36,304).
❌Smaller total L3 cache (18 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E7-8857 v2, which brings 12 cores / 12 threads and 40 PCIe lanes.

Xeon E7-8857 v2

2014

Why buy it

✅+85.9% higher PassMark.
✅+66.7% larger total L3 cache (30 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 12 threads, plus 40 PCIe lanes vs 20.
✅100% more PCIe lanes (40 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 9.5 vs 112.3 PassMark/$ ($3,838 MSRP vs $174 MSRP).
❌100% higher power demand at 130W vs 65W.
❌Older platform position on LGA2011, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Xeon E7-8857 v2

2014

Why buy it

✅Better for gaming: +5.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $3,664 less on MSRP ($174 MSRP vs $3,838 MSRP).
✅Delivers 1086.7% more PassMark for each dollar spent, at 112.3 vs 9.5 PassMark/$ ($174 MSRP vs $3,838 MSRP).
✅Draws 65W instead of 130W, a 65W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA2011 and older memory support.

Why buy it

✅+85.9% higher PassMark.
✅+66.7% larger total L3 cache (30 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 12 threads, plus 40 PCIe lanes vs 20.
✅100% more PCIe lanes (40 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (19,532 vs 36,304).
❌Smaller total L3 cache (18 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E7-8857 v2, which brings 12 cores / 12 threads and 40 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 9.5 vs 112.3 PassMark/$ ($3,838 MSRP vs $174 MSRP).
❌100% higher power demand at 130W vs 65W.
❌Older platform position on LGA2011, 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 Xeon E7-8857 v2?

Not in a simple one-size-fits-all way. Xeon E7-8857 v2 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 streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E7-8857 v2 is the better fit. You are getting 85.9% better PassMark, backed by 12 cores and 12 threads. It also carries the larger cache pool with 66.7% larger total L3 cache (30 MB vs 18 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 $3,664 cheaper on MSRP at $174 MSRP versus $3,838 MSRP, and it gives you a 5.2% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon E7-8857 v2 is still stronger for heavier multi-core work with 85.9% better PassMark. It is also 1086.7% better value on MSRP (112.3 vs 9.5 PassMark/$), 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 2014) and a healthier platform with LGA1700 and DDR5 instead of LGA2011. 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 E7-8857 v2 Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Xeon E7-8857 v2
1080p
low	183 FPS	178 FPS
medium	168 FPS	142 FPS
high	139 FPS	117 FPS
ultra	119 FPS	93 FPS
1440p
low	153 FPS	145 FPS
medium	132 FPS	113 FPS
high	106 FPS	91 FPS
ultra	89 FPS	72 FPS
4K
low	87 FPS	67 FPS
medium	81 FPS	56 FPS
high	64 FPS	44 FPS
ultra	49 FPS	35 FPS

Open Core i5-12400F Open Xeon E7-8857 v2

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Xeon E7-8857 v2
1080p
low	471 FPS	328 FPS
medium	397 FPS	288 FPS
high	341 FPS	241 FPS
ultra	301 FPS	195 FPS
1440p
low	407 FPS	287 FPS
medium	351 FPS	258 FPS
high	309 FPS	217 FPS
ultra	265 FPS	174 FPS
4K
low	282 FPS	188 FPS
medium	248 FPS	169 FPS
high	229 FPS	145 FPS
ultra	196 FPS	114 FPS

Open Core i5-12400F Open Xeon E7-8857 v2

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Xeon E7-8857 v2
1080p
low	488 FPS	908 FPS
medium	488 FPS	786 FPS
high	488 FPS	744 FPS
ultra	488 FPS	660 FPS
1440p
low	488 FPS	742 FPS
medium	488 FPS	622 FPS
high	485 FPS	589 FPS
ultra	434 FPS	520 FPS
4K
low	442 FPS	467 FPS
medium	389 FPS	365 FPS
high	337 FPS	323 FPS
ultra	274 FPS	260 FPS

Open Core i5-12400F Open Xeon E7-8857 v2

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Xeon E7-8857 v2
1080p
low	488 FPS	908 FPS
medium	488 FPS	901 FPS
high	488 FPS	767 FPS
ultra	488 FPS	649 FPS
1440p
low	488 FPS	839 FPS
medium	488 FPS	718 FPS
high	488 FPS	607 FPS
ultra	473 FPS	507 FPS
4K
low	488 FPS	581 FPS
medium	450 FPS	508 FPS
high	391 FPS	445 FPS
ultra	330 FPS	376 FPS

Open Core i5-12400F Open Xeon E7-8857 v2

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Xeon E7-8857 v2

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 E7-8857 v2

The Xeon E7-8857 v2 is manufactured by Intel. It was released in 2015-01-01. It features 12 cores and 12 threads. Base frequency is 3 GHz, with boost up to 3.6 GHz. L3 cache: 30 MB. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-1066, DDR3-1333, DDR3-1600. Passmark benchmark score: 36,304 points. Launch price was $800.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon E7-8857 v2 offers 12 cores / 12 threads — the Xeon E7-8857 v2 has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3.6 GHz on the Xeon E7-8857 v2 — a 20% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 3 GHz). The Core i5-12400F is built on the Alder Lake-S (2022) architecture. In PassMark, the Core i5-12400F scores 19,532 against the Xeon E7-8857 v2's 36,304 — a 60.1% lead for the Xeon E7-8857 v2. L3 cache: 18 MB (total) on the Core i5-12400F vs 30 MB on the Xeon E7-8857 v2.

Feature	Core i5-12400F	Xeon E7-8857 v2
Cores / Threads	6 / 12	12 / 12+100%
Boost Clock	4.4 GHz+22%	3.6 GHz
Base Clock	2.5 GHz	3 GHz+20%
L3 Cache	18 MB (total)	30 MB+67%
L2 Cache	1.25 MB (per core)	—
Process	Intel 7 nm-68%	22 nm
Architecture	Alder Lake-S (2022)	—
PassMark	19,532	36,304+86%
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 E7-8857 v2 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus 1600 on the Xeon E7-8857 v2 — the Xeon E7-8857 v2 supports 198.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E7-8857 v2 supports up to 1536 of RAM compared to 128 GB — 169.2% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 4 (Xeon E7-8857 v2). PCIe lanes: 20 (Core i5-12400F) vs 40 (Xeon E7-8857 v2) — the Xeon E7-8857 v2 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and C602J (Xeon E7-8857 v2).

Feature	Core i5-12400F	Xeon E7-8857 v2
Socket	LGA1700	LGA2011
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	1600+31900%
Max RAM Capacity	128 GB+8738033%	1536
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	20	40+100%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d (Xeon E7-8857 v2). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Xeon E7-8857 v2 rivals Xeon E7-4850 v2.

Feature	Core i5-12400F	Xeon E7-8857 v2
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	No
AVX-512	—	No
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 E7-8857 v2 debuted at $3838. On MSRP ($174 vs $3838), the Core i5-12400F is $3664 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 9.5 pts/$ for the Xeon E7-8857 v2 — making the Core i5-12400F the 168.9% better value option.