Core i7-12700KF vs Ryzen 9 PRO 5945

Intel

Core i7-12700KF

12 Cores20 Thrd125 WWMax: 5 GHz2021
Core family
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VS
AMD

Ryzen 9 PRO 5945

12 Cores24 Thrd65 WWMax: 4.7 GHz2022
Similar parts
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Core i7-12700KF vs Ryzen 9 PRO 5945 Performance Spectrum

About PassMark

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 i7-12700KF vs Ryzen 9 PRO 5945 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 i7-12700KF vs Ryzen 9 PRO 5945: Pros, Cons & Final Verdict

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

Core i7-12700KF

2021

Why buy it

  • Better for gaming: +10.3% higher average FPS across 50 shared CPU benchmark tests.
  • Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.

Trade-offs

  • Lower PassMark (34,056 vs 34,549).
  • Smaller total L3 cache (25 MB vs 64 MB).
  • Launch MSRP is still $384 MSRP, while Ryzen 9 PRO 5945 mostly shows up through inconsistent older-market listings.
  • 92.3% higher power demand at 125W vs 65W.

Ryzen 9 PRO 5945

2022

Why buy it

  • +1.4% higher PassMark.
  • +156% larger total L3 cache (64 MB vs 25 MB).
  • Draws 65W instead of 125W, a 60W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-12700KF across 50 shared CPU benchmark tests.
  • Older platform position on AM4 with DDR4, while Core i7-12700KF moves to LGA1700 and DDR5.

Quick Answers

So, is Core i7-12700KF better than Ryzen 9 PRO 5945?
It depends on what you want from the system. For gaming, Core i7-12700KF is ahead with a 10.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 9 PRO 5945 pulls ahead with 1.4% better PassMark. Ryzen 9 PRO 5945 also has the bigger cache pool with 156% larger total L3 cache (64 MB vs 25 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 PRO 5945 is the stronger fit. You are getting 1.4% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 156% larger total L3 cache (64 MB vs 25 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-12700KF is the better buy right now. Core i7-12700KF comes in at an unclear MSRP at $384 MSRP versus unclear MSRP, and it still gives you a 10.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Ryzen 9 PRO 5945 is still stronger for heavier multi-core work with 1.4% better PassMark. It is also 100.0% better value on MSRP (88.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 9 PRO 5945 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?
Core i7-12700KF makes more sense long term for 2026 and beyond. You are getting a healthier platform with LGA1700 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-12700KF vs Ryzen 9 PRO 5945 Technical Specifications

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

Intel

Core i7-12700KF

The Core i7-12700KF is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 34,056 points. Launch price was $384.

AMD

Ryzen 9 PRO 5945

The Ryzen 9 PRO 5945 is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 34,549 points. Launch price was $499.

Processing Power

The Core i7-12700KF packs 12 cores / 20 threads, matching the Ryzen 9 PRO 5945's 12 cores. Boost clocks reach 5 GHz on the Core i7-12700KF versus 4.7 GHz on the Ryzen 9 PRO 5945 — a 6.2% clock advantage for the Core i7-12700KF (base: 3.6 GHz vs 3 GHz). The Core i7-12700KF uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (Intel 7 nm), while the Ryzen 9 PRO 5945 uses Vermeer (2020−2025) (7 nm). In PassMark, the Core i7-12700KF scores 34,056 against the Ryzen 9 PRO 5945's 34,549 — a 1.4% lead for the Ryzen 9 PRO 5945. L3 cache: 25 MB (total) on the Core i7-12700KF vs 64 MB on the Ryzen 9 PRO 5945.

FeatureCore i7-12700KFRyzen 9 PRO 5945
Cores / Threads
12 / 20
12 / 24
Boost Clock
5 GHz+6%
4.7 GHz
Base Clock
3.6 GHz+20%
3 GHz
L3 Cache
25 MB (total)
64 MB+156%
L2 Cache
1.25 MB (per core)+150%
512 kB (per core)
Process
Intel 7 nm
7 nm
Architecture
Alder Lake, Golden Cove, Gracemont (2021)
Vermeer (2020−2025)
PassMark
34,056
34,549+1%
Cinebench R23 Multi
23,200
Geekbench 6 Single
2,175
Geekbench 6 Multi
12,500
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Memory & Platform

The Core i7-12700KF uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 PRO 5945 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700KF versus DDR4-3200 on the Ryzen 9 PRO 5945 — the Core i7-12700KF supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: Z690,B660 (Core i7-12700KF) and X570,B550,A520,X470,B450 (Ryzen 9 PRO 5945).

FeatureCore i7-12700KFRyzen 9 PRO 5945
Socket
LGA1700
AM4
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
4800+50%
DDR4-3200
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
20
20
🔧

Advanced Features

Only the Core i7-12700KF has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-12700KF) vs AMD-V (SVM) (Ryzen 9 PRO 5945). Primary use case: Ryzen 9 PRO 5945 targets High-end Gaming. Direct competitor: Core i7-12700KF rivals Ryzen 7 5800X; Ryzen 9 PRO 5945 rivals Core i9-12900.

FeatureCore i7-12700KFRyzen 9 PRO 5945
Integrated GPU
No
No
IGPU Model
None
Unlocked
Yes
No
AVX-512
No
No
Virtualization
VT-x, VT-d
AMD-V (SVM)
Target Use
High-end Gaming