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.

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +8.3% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (38,955 vs 53,628).
❌Launch MSRP is still $549 MSRP, while Ryzen 9 7940HX mostly shows up through inconsistent older-market listings.
❌90.9% higher power demand at 105W vs 55W.
❌Older platform position on AM4 with DDR4, while Ryzen 9 7940HX moves to FL1 and DDR5.
❌No integrated graphics, while Ryzen 9 7940HX can still boot and troubleshoot without a discrete GPU.

Ryzen 9 7940HX

2024

Why buy it

✅+37.7% higher PassMark.
✅Draws 55W instead of 105W, a 50W reduction.
✅Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon 610M, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.

Ryzen 9 5900X

2020

Ryzen 9 7940HX

2024

Why buy it

✅Better for gaming: +8.3% higher average FPS across 50 shared CPU benchmark tests.

Why buy it

✅+37.7% higher PassMark.
✅Draws 55W instead of 105W, a 50W reduction.
✅Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon 610M, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Lower PassMark (38,955 vs 53,628).
❌Launch MSRP is still $549 MSRP, while Ryzen 9 7940HX mostly shows up through inconsistent older-market listings.
❌90.9% higher power demand at 105W vs 55W.
❌Older platform position on AM4 with DDR4, while Ryzen 9 7940HX moves to FL1 and DDR5.
❌No integrated graphics, while Ryzen 9 7940HX can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.

Quick Answers

So, is Ryzen 9 7940HX better than Ryzen 9 5900X?

It depends on what matters more to you. For gaming, Ryzen 9 5900X is ahead with a 8.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 9 7940HX pulls ahead with 37.7% better PassMark.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 7940HX is the better fit. You are getting 37.7% better PassMark, backed by 16 cores and 32 threads.

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

Ryzen 9 7940HX is still the faster CPU overall, but Ryzen 9 5900X makes more sense if price matters more than absolute performance. Ryzen 9 7940HX is at an unclear MSRP at unclear MSRP versus $549 MSRP, and it gives you 37.7% better PassMark. The trade-off is that Ryzen 9 5900X is still the better pure gaming CPU with a 8.3% average FPS lead across 50 shared CPU game tests in our data. Ryzen 9 5900X is also 100.0% better value on MSRP (71.0 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 9 7940HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with FL1 and DDR5 instead of AM4, and more multi-core headroom with 16 cores / 32 threads instead of 12/24. 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.

Ryzen 9 5900X Benchmark Check

Ryzen 9 7940HX Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Ryzen 9 7940HX
1080p
low	323 FPS	293 FPS
medium	291 FPS	268 FPS
high	243 FPS	217 FPS
ultra	193 FPS	183 FPS
1440p
low	307 FPS	268 FPS
medium	248 FPS	223 FPS
high	192 FPS	169 FPS
ultra	157 FPS	150 FPS
4K
low	193 FPS	186 FPS
medium	156 FPS	154 FPS
high	115 FPS	117 FPS
ultra	103 FPS	105 FPS

Open Ryzen 9 5900X Open Ryzen 9 7940HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Ryzen 9 7940HX
1080p
low	772 FPS	690 FPS
medium	647 FPS	574 FPS
high	508 FPS	433 FPS
ultra	450 FPS	369 FPS
1440p
low	619 FPS	585 FPS
medium	536 FPS	502 FPS
high	443 FPS	390 FPS
ultra	364 FPS	305 FPS
4K
low	365 FPS	329 FPS
medium	318 FPS	286 FPS
high	289 FPS	253 FPS
ultra	255 FPS	213 FPS

Open Ryzen 9 5900X Open Ryzen 9 7940HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Ryzen 9 7940HX
1080p
low	832 FPS	888 FPS
medium	645 FPS	708 FPS
high	558 FPS	615 FPS
ultra	459 FPS	531 FPS
1440p
low	721 FPS	714 FPS
medium	565 FPS	570 FPS
high	488 FPS	485 FPS
ultra	407 FPS	416 FPS
4K
low	511 FPS	511 FPS
medium	421 FPS	425 FPS
high	374 FPS	381 FPS
ultra	308 FPS	322 FPS

Open Ryzen 9 5900X Open Ryzen 9 7940HX

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Ryzen 9 7940HX
1080p
low	974 FPS	1128 FPS
medium	974 FPS	1006 FPS
high	934 FPS	873 FPS
ultra	826 FPS	768 FPS
1440p
low	959 FPS	898 FPS
medium	843 FPS	788 FPS
high	726 FPS	687 FPS
ultra	617 FPS	583 FPS
4K
low	694 FPS	646 FPS
medium	621 FPS	576 FPS
high	541 FPS	508 FPS
ultra	437 FPS	434 FPS

Open Ryzen 9 5900X Open Ryzen 9 7940HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Ryzen 9 7940HX

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

Ryzen 9 7940HX

The Ryzen 9 7940HX is manufactured by AMD. It was released in 2024-01-01. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 53,628 points. Launch price was $600.

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Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Ryzen 9 7940HX offers 16 cores / 32 threads — the Ryzen 9 7940HX has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 5.2 GHz on the Ryzen 9 7940HX — a 8% clock advantage for the Ryzen 9 7940HX (base: 3.7 GHz vs 2.4 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 9 7940HX uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Ryzen 9 7940HX's 53,628 — a 31.7% lead for the Ryzen 9 7940HX. L3 cache: 64 MB on the Ryzen 9 5900X vs 64 MB (total) on the Ryzen 9 7940HX.

Feature	Ryzen 9 5900X	Ryzen 9 7940HX
Cores / Threads	12 / 24	16 / 32+33%
Boost Clock	4.8 GHz	5.2 GHz+8%
Base Clock	3.7 GHz+54%	2.4 GHz
L3 Cache	64 MB	64 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	5 nm-29%
Architecture	Vermeer (Zen3) (2020−2022)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	38,955	53,628+38%
Cinebench R23 Multi	21,000	—
Geekbench 6 Single	2,174	—
Geekbench 6 Multi	11,888	—

🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 7940HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus 5200 on the Ryzen 9 7940HX — the Ryzen 9 7940HX supports 199.7% 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. PCIe lanes: 24 (Ryzen 9 5900X) vs 28 (Ryzen 9 7940HX) — the Ryzen 9 7940HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and FL1 (Ryzen 9 7940HX).

Feature	Ryzen 9 5900X	Ryzen 9 7940HX
Socket	AM4	FL1
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	5200+129900%
Max RAM Capacity	128 GB+104857500%	128
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24	28+17%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7940HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs VT-x, VT-d, AMD-V (Ryzen 9 7940HX). The Ryzen 9 7940HX includes integrated graphics (AMD Radeon 610M), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Ryzen 9 7940HX rivals Core i9-13900HX.