Core i7-12700K vs Ryzen 7 PRO 7840U

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

✅Better for gaming: +5.3% higher average FPS across 50 shared CPU benchmark tests.
✅+56.3% larger total L3 cache (25 MB vs 16 MB).
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 7 PRO 7840U needs a discrete GPU.

Trade-offs

❌Launch MSRP is still $409 MSRP, while Ryzen 7 PRO 7840U mostly shows up through inconsistent older-market listings.
❌1462.5% higher power demand at 125W vs 8W.

Ryzen 7 PRO 7840U

2023

Why buy it

✅Draws 8W instead of 125W, a 117W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 50 shared CPU benchmark tests.
❌Lower PassMark (24,531 vs 34,347).
❌Smaller total L3 cache (16 MB vs 25 MB).
❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Core i7-12700K

2021

Ryzen 7 PRO 7840U

2023

Why buy it

✅Better for gaming: +5.3% higher average FPS across 50 shared CPU benchmark tests.
✅+56.3% larger total L3 cache (25 MB vs 16 MB).
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 7 PRO 7840U needs a discrete GPU.

Why buy it

✅Draws 8W instead of 125W, a 117W reduction.

Trade-offs

❌Launch MSRP is still $409 MSRP, while Ryzen 7 PRO 7840U mostly shows up through inconsistent older-market listings.
❌1462.5% higher power demand at 125W vs 8W.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 50 shared CPU benchmark tests.
❌Lower PassMark (24,531 vs 34,347).
❌Smaller total L3 cache (16 MB vs 25 MB).
❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-12700K better than Ryzen 7 PRO 7840U?

Yes. Core i7-12700K is the better overall CPU here. You are getting a 5.3% average FPS lead across 50 shared CPU game tests in our data and 40% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Core i7-12700K is the better pick here. According to our tests, it delivers 5.3% 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 i7-12700K is the better fit. You are getting 40% better PassMark, backed by 12 cores and 20 threads. It also carries the larger cache pool with 56.3% larger total L3 cache (25 MB vs 16 MB).

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

Core i7-12700K is the smarter buy today. Core i7-12700K is at an unclear MSRP at $409 MSRP versus unclear MSRP, and it gives you a 5.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (84.0 vs 0.0 PassMark/$), 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?

Ryzen 7 PRO 7840U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021). That makes it the safer long-term pick.

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 7 PRO 7840U Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	Ryzen 7 PRO 7840U
1080p
low	314 FPS	259 FPS
medium	295 FPS	238 FPS
high	246 FPS	201 FPS
ultra	193 FPS	173 FPS
1440p
low	269 FPS	229 FPS
medium	225 FPS	191 FPS
high	182 FPS	155 FPS
ultra	145 FPS	137 FPS
4K
low	170 FPS	159 FPS
medium	142 FPS	134 FPS
high	109 FPS	104 FPS
ultra	96 FPS	92 FPS

Open Core i7-12700K Open Ryzen 7 PRO 7840U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	Ryzen 7 PRO 7840U
1080p
low	630 FPS	492 FPS
medium	533 FPS	408 FPS
high	450 FPS	356 FPS
ultra	410 FPS	319 FPS
1440p
low	536 FPS	430 FPS
medium	475 FPS	376 FPS
high	403 FPS	328 FPS
ultra	349 FPS	281 FPS
4K
low	312 FPS	284 FPS
medium	280 FPS	259 FPS
high	266 FPS	248 FPS
ultra	234 FPS	214 FPS

Open Core i7-12700K Open Ryzen 7 PRO 7840U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	Ryzen 7 PRO 7840U
1080p
low	797 FPS	613 FPS
medium	633 FPS	613 FPS
high	556 FPS	613 FPS
ultra	472 FPS	522 FPS
1440p
low	704 FPS	613 FPS
medium	565 FPS	613 FPS
high	490 FPS	523 FPS
ultra	422 FPS	449 FPS
4K
low	510 FPS	523 FPS
medium	425 FPS	457 FPS
high	381 FPS	405 FPS
ultra	321 FPS	343 FPS

Open Core i7-12700K Open Ryzen 7 PRO 7840U

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	Ryzen 7 PRO 7840U
1080p
low	859 FPS	613 FPS
medium	802 FPS	613 FPS
high	699 FPS	613 FPS
ultra	628 FPS	613 FPS
1440p
low	760 FPS	613 FPS
medium	678 FPS	613 FPS
high	590 FPS	613 FPS
ultra	519 FPS	549 FPS
4K
low	535 FPS	558 FPS
medium	488 FPS	502 FPS
high	437 FPS	449 FPS
ultra	384 FPS	385 FPS

Open Core i7-12700K Open Ryzen 7 PRO 7840U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700K and Ryzen 7 PRO 7840U

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 7 PRO 7840U

The Ryzen 7 PRO 7840U is manufactured by AMD. It was released in 3 May 2023 (2 years ago). It is based on the Phoenix (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 28 Watt. Memory support: LPDDR5x, DDR5. Passmark benchmark score: 24,531 points. Launch price was $299.

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Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Ryzen 7 PRO 7840U offers 8 cores / 16 threads — the Core i7-12700K has 4 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 5.1 GHz on the Ryzen 7 PRO 7840U — a 2% clock advantage for the Ryzen 7 PRO 7840U (base: 3.6 GHz vs 3.3 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen 7 PRO 7840U uses Phoenix (Zen 4) (2023) (4 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen 7 PRO 7840U's 24,531 — a 33.3% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 16 MB on the Ryzen 7 PRO 7840U.

Feature	Core i7-12700K	Ryzen 7 PRO 7840U
Cores / Threads	12 / 20+50%	8 / 16
Boost Clock	5 GHz	5.1 GHz+2%
Base Clock	3.6 GHz+9%	3.3 GHz
L3 Cache	25 MB (total)+56%	16 MB
L2 Cache	1.25 MB (per core)	8 MB+540%
Process	10 nm	4 nm-60%
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Phoenix (Zen 4) (2023)
PassMark	34,347+40%	24,531

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Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 7 PRO 7840U uses FP7/FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i7-12700K	Ryzen 7 PRO 7840U
Socket	LGA1700	FP7/FP8
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	4800	—
Max RAM Capacity	128	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i7-12700K) / not specified (Ryzen 7 PRO 7840U). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen 7 PRO 7840U requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.