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 7 3700X

2019

Why buy it

✅Costs $100 less on MSRP ($329 MSRP vs $429 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7900 across 50 shared CPU benchmark tests.
❌Lower PassMark (22,430 vs 48,168).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Lower PassMark per dollar, at 68.2 vs 112.3 PassMark/$ ($329 MSRP vs $429 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen 9 7900 moves to AM5 and DDR5.

Ryzen 9 7900

2023

Why buy it

✅Better for gaming: +14.2% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Delivers 64.7% more PassMark for each dollar spent, at 112.3 vs 68.2 PassMark/$ ($429 MSRP vs $329 MSRP).
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌
30.4% HIGHER MSRP
$429 MSRPvs$329 MSRP

Ryzen 7 3700X

2019

Ryzen 9 7900

2023

Why buy it

✅Costs $100 less on MSRP ($329 MSRP vs $429 MSRP).

Why buy it

✅Better for gaming: +14.2% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Delivers 64.7% more PassMark for each dollar spent, at 112.3 vs 68.2 PassMark/$ ($429 MSRP vs $329 MSRP).
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7900 across 50 shared CPU benchmark tests.
❌Lower PassMark (22,430 vs 48,168).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Lower PassMark per dollar, at 68.2 vs 112.3 PassMark/$ ($329 MSRP vs $429 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen 9 7900 moves to AM5 and DDR5.

Trade-offs

❌
30.4% HIGHER MSRP
$429 MSRPvs$329 MSRP

Quick Answers

So, is Ryzen 9 7900 better than Ryzen 7 3700X?

Yes. Ryzen 9 7900 is the better overall CPU here. You are getting a 14.2% average FPS lead across 50 shared CPU game tests in our data, 114.7% 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 7900 is the better pick here. According to our tests, it delivers 14.2% 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 7900 is the better fit. You are getting 114.7% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

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

Ryzen 9 7900 is the smarter buy today. Ryzen 9 7900 is 30.4% more expensive on MSRP at $429 MSRP versus $329 MSRP, and it gives you a 14.2% average FPS lead across 50 shared CPU game tests in our data. It is also 64.7% better value on MSRP (112.3 vs 68.2 PassMark/$), 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 AM4 + DDR4 setup, Ryzen 7 3700X 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 7900 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with AM5 and DDR5 instead of AM4, 100% larger total L3 cache (64 MB vs 32 MB), and more multi-core headroom with 12 cores / 24 threads instead of 8/16. 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 7 3700X Benchmark Check

Ryzen 9 7900 Benchmark Check

Path of Exile 2

Preset	Ryzen 7 3700X	Ryzen 9 7900
1080p
low	200 FPS	288 FPS
medium	163 FPS	259 FPS
high	137 FPS	218 FPS
ultra	110 FPS	190 FPS
1440p
low	156 FPS	270 FPS
medium	121 FPS	218 FPS
high	100 FPS	170 FPS
ultra	80 FPS	152 FPS
4K
low	84 FPS	187 FPS
medium	71 FPS	151 FPS
high	56 FPS	113 FPS
ultra	44 FPS	101 FPS

Open Ryzen 7 3700X Open Ryzen 9 7900

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 3700X	Ryzen 9 7900
1080p
low	561 FPS	706 FPS
medium	525 FPS	599 FPS
high	428 FPS	450 FPS
ultra	383 FPS	389 FPS
1440p
low	545 FPS	593 FPS
medium	471 FPS	522 FPS
high	394 FPS	406 FPS
ultra	337 FPS	322 FPS
4K
low	350 FPS	335 FPS
medium	304 FPS	298 FPS
high	274 FPS	264 FPS
ultra	242 FPS	226 FPS

Open Ryzen 7 3700X Open Ryzen 9 7900

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 3700X	Ryzen 9 7900
1080p
low	561 FPS	876 FPS
medium	561 FPS	699 FPS
high	561 FPS	608 FPS
ultra	561 FPS	518 FPS
1440p
low	561 FPS	702 FPS
medium	561 FPS	562 FPS
high	538 FPS	481 FPS
ultra	470 FPS	408 FPS
4K
low	499 FPS	499 FPS
medium	394 FPS	414 FPS
high	343 FPS	372 FPS
ultra	275 FPS	312 FPS

Open Ryzen 7 3700X Open Ryzen 9 7900

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 3700X	Ryzen 9 7900
1080p
low	561 FPS	1125 FPS
medium	561 FPS	987 FPS
high	561 FPS	860 FPS
ultra	561 FPS	765 FPS
1440p
low	561 FPS	892 FPS
medium	561 FPS	774 FPS
high	561 FPS	677 FPS
ultra	555 FPS	580 FPS
4K
low	561 FPS	644 FPS
medium	501 FPS	570 FPS
high	447 FPS	503 FPS
ultra	396 FPS	434 FPS

Open Ryzen 7 3700X Open Ryzen 9 7900

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 3700X and Ryzen 9 7900

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

Ryzen 9 7900

The Ryzen 9 7900 is manufactured by AMD. It was released in 14 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) 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: DDR5-5200. Passmark benchmark score: 48,168 points. Launch price was $429.

⚡

Processing Power

The Ryzen 7 3700X packs 8 cores / 16 threads, while the Ryzen 9 7900 offers 12 cores / 24 threads — the Ryzen 9 7900 has 4 more cores. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 5.4 GHz on the Ryzen 9 7900 — a 20.4% clock advantage for the Ryzen 9 7900 (base: 3.6 GHz vs 3.7 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 7900 uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 7900's 48,168 — a 72.9% lead for the Ryzen 9 7900. L3 cache: 32 MB on the Ryzen 7 3700X vs 64 MB (total) on the Ryzen 9 7900.

Feature	Ryzen 7 3700X	Ryzen 9 7900
Cores / Threads	8 / 16	12 / 24+50%
Boost Clock	4.4 GHz	5.4 GHz+23%
Base Clock	3.6 GHz	3.7 GHz+3%
L3 Cache	32 MB	64 MB (total)+100%
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	5 nm-29%
Architecture	Matisse (Zen 2) (2019−2020)	Raphael (Zen4) (2022−2023)
PassMark	22,430	48,168+115%
Cinebench R23 Multi	—	24,600
Geekbench 6 Single	—	2,800
Geekbench 6 Multi	—	18,000

🧠

Memory & Platform

The Ryzen 7 3700X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 7900 uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 3700X versus DDR5-5200 on the Ryzen 9 7900 — the Ryzen 9 7900 supports 22.2% 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 7 3700X) vs 28 (Ryzen 9 7900) — the Ryzen 9 7900 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 7900).

Feature	Ryzen 7 3700X	Ryzen 9 7900
Socket	AM4	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-5200+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24	28+17%

🔧

Advanced Features

Virtualization: not specified (Ryzen 7 3700X) / true (Ryzen 9 7900). The Ryzen 9 7900 includes integrated graphics (Radeon Graphics (Raphael)), while the Ryzen 7 3700X requires a dedicated GPU. Direct competitor: Ryzen 9 7900 rivals Core i9-13900.

Feature	Ryzen 7 3700X	Ryzen 9 7900
Integrated GPU	No	Yes
IGPU Model	—	Radeon Graphics (Raphael)
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	—	true

💰

Value Analysis

The Ryzen 7 3700X launched at $329 MSRP, while the Ryzen 9 7900 debuted at $429. On MSRP ($329 vs $429), the Ryzen 7 3700X is $100 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 7 3700X delivers 68.2 pts/$ vs 112.3 pts/$ for the Ryzen 9 7900 — making the Ryzen 9 7900 the 48.9% better value option.