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 i7-12700K

2021

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 7945 across 50 shared CPU benchmark tests.
❌Lower PassMark (34,347 vs 46,828).
❌Smaller total L3 cache (25 MB vs 64 MB).
❌Lower PassMark per dollar, at 84.0 vs 114.5 PassMark/$ ($409 MSRP vs $409 MSRP).
❌92.3% higher power demand at 125W vs 65W.

Ryzen 9 PRO 7945

2023

Why buy it

✅Better for gaming: +10.7% higher average FPS across 50 shared CPU benchmark tests.
✅+156% larger total L3 cache (64 MB vs 25 MB).
✅Delivers 36.3% more PassMark for each dollar spent, at 114.5 vs 84.0 PassMark/$ ($409 MSRP vs $409 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i7-12700K

2021

Ryzen 9 PRO 7945

2023

Why buy it

✅Better for gaming: +10.7% higher average FPS across 50 shared CPU benchmark tests.
✅+156% larger total L3 cache (64 MB vs 25 MB).
✅Delivers 36.3% more PassMark for each dollar spent, at 114.5 vs 84.0 PassMark/$ ($409 MSRP vs $409 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 7945 across 50 shared CPU benchmark tests.
❌Lower PassMark (34,347 vs 46,828).
❌Smaller total L3 cache (25 MB vs 64 MB).
❌Lower PassMark per dollar, at 84.0 vs 114.5 PassMark/$ ($409 MSRP vs $409 MSRP).
❌92.3% higher power demand at 125W vs 65W.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 9 PRO 7945 better than Core i7-12700K?

Yes. Ryzen 9 PRO 7945 is the better overall CPU here. You are getting a 10.7% average FPS lead across 50 shared CPU game tests in our data, 36.3% better 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 9 PRO 7945 is the better pick here. According to our tests, it delivers 10.7% 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, Ryzen 9 PRO 7945 is the better fit. You are getting 36.3% better PassMark, backed by 12 cores and 24 threads. It also carries 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?

Ryzen 9 PRO 7945 is the smarter buy today. Ryzen 9 PRO 7945 is in basically the same MSRP band at $409 MSRP versus $409 MSRP, and it gives you a 10.7% average FPS lead across 50 shared CPU game tests in our data. It is also 36.3% better value on MSRP (114.5 vs 84.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i7-12700K 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 9 PRO 7945 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), 156% larger total L3 cache (64 MB vs 25 MB), and more multi-core headroom with 12 cores / 24 threads instead of 12/20. 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 i7-12700K Benchmark Check

Ryzen 9 PRO 7945 Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	Ryzen 9 PRO 7945
1080p
low	314 FPS	269 FPS
medium	295 FPS	244 FPS
high	246 FPS	209 FPS
ultra	193 FPS	183 FPS
1440p
low	269 FPS	260 FPS
medium	225 FPS	212 FPS
high	182 FPS	168 FPS
ultra	145 FPS	151 FPS
4K
low	170 FPS	180 FPS
medium	142 FPS	147 FPS
high	109 FPS	110 FPS
ultra	96 FPS	98 FPS

Open Core i7-12700K Open Ryzen 9 PRO 7945

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	Ryzen 9 PRO 7945
1080p
low	630 FPS	660 FPS
medium	533 FPS	567 FPS
high	450 FPS	426 FPS
ultra	410 FPS	368 FPS
1440p
low	536 FPS	555 FPS
medium	475 FPS	495 FPS
high	403 FPS	384 FPS
ultra	349 FPS	306 FPS
4K
low	312 FPS	313 FPS
medium	280 FPS	283 FPS
high	266 FPS	250 FPS
ultra	234 FPS	214 FPS

Open Core i7-12700K Open Ryzen 9 PRO 7945

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	Ryzen 9 PRO 7945
1080p
low	797 FPS	1025 FPS
medium	633 FPS	1118 FPS
high	556 FPS	1041 FPS
ultra	472 FPS	875 FPS
1440p
low	704 FPS	940 FPS
medium	565 FPS	836 FPS
high	490 FPS	754 FPS
ultra	422 FPS	656 FPS
4K
low	510 FPS	574 FPS
medium	425 FPS	495 FPS
high	381 FPS	445 FPS
ultra	321 FPS	378 FPS

Open Core i7-12700K Open Ryzen 9 PRO 7945

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	Ryzen 9 PRO 7945
1080p
low	859 FPS	1171 FPS
medium	802 FPS	1015 FPS
high	699 FPS	981 FPS
ultra	628 FPS	854 FPS
1440p
low	760 FPS	1019 FPS
medium	678 FPS	888 FPS
high	590 FPS	762 FPS
ultra	519 FPS	639 FPS
4K
low	535 FPS	754 FPS
medium	488 FPS	658 FPS
high	437 FPS	569 FPS
ultra	384 FPS	437 FPS

Open Core i7-12700K Open Ryzen 9 PRO 7945

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700K and Ryzen 9 PRO 7945

Core i7-12700K

The Core i7-12700K 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 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.

Ryzen 9 PRO 7945

The Ryzen 9 PRO 7945 is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 46,828 points. Launch price was $499.

⚡

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, matching the Ryzen 9 PRO 7945's 12 cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 5.4 GHz on the Ryzen 9 PRO 7945 — a 7.7% clock advantage for the Ryzen 9 PRO 7945 (base: 3.6 GHz vs 3.7 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen 9 PRO 7945 uses Raphael (2023−2025) (5 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen 9 PRO 7945's 46,828 — a 30.8% lead for the Ryzen 9 PRO 7945. L3 cache: 25 MB (total) on the Core i7-12700K vs 64 MB (total) on the Ryzen 9 PRO 7945.

Feature	Core i7-12700K	Ryzen 9 PRO 7945
Cores / Threads	12 / 20	12 / 24
Boost Clock	5 GHz	5.4 GHz+8%
Base Clock	3.6 GHz	3.7 GHz+3%
L3 Cache	25 MB (total)	64 MB (total)+156%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	10 nm	5 nm-50%
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Raphael (2023−2025)
PassMark	34,347	46,828+36%
Cinebench R23 Multi	—	28,905
Geekbench 6 Single	—	2,206
Geekbench 6 Multi	—	16,832

🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 PRO 7945 uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR5-5200 on the Ryzen 9 PRO 7945 — the Core i7-12700K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12700K) vs 28 (Ryzen 9 PRO 7945) — the Ryzen 9 PRO 7945 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945).

Feature	Core i7-12700K	Ryzen 9 PRO 7945
Socket	LGA1700	AM5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	4800+95900%	DDR5-5200
Max RAM Capacity	128	128 GB+104857500%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 PRO 7945 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-12700K) vs true (Ryzen 9 PRO 7945). Both include integrated graphics — Intel UHD Graphics 770 (Core i7-12700K) and Radeon Graphics (Ryzen 9 PRO 7945) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Ryzen 9 PRO 7945 rivals Core i9-13900.

Feature	Core i7-12700K	Ryzen 9 PRO 7945
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 770	Radeon Graphics
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Ryzen 9 PRO 7945 debuted at $409. On MSRP ($409 vs $409), the Ryzen 9 PRO 7945 is $0 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 114.5 pts/$ for the Ryzen 9 PRO 7945 — making the Ryzen 9 PRO 7945 the 30.8% better value option.