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.

A12-9800

2017

Why buy it

✅Draws 65W instead of 105W, a 40W reduction.
✅Integrated graphics onboard with Radeon R7, while Ryzen 9 5900X needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Ryzen 9 5900X.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 2 shared CPU benchmark tests.
❌Lower PassMark (3,695 vs 38,955).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +254.3% higher average FPS across 2 shared CPU benchmark tests.
✅200% more PCIe lanes (24 vs 8) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $549 MSRP, while A12-9800 mostly shows up through inconsistent older-market listings.
❌61.5% higher power demand at 105W vs 65W.
❌No integrated graphics, while A12-9800 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike A12-9800.

A12-9800

2017

Ryzen 9 5900X

2020

Why buy it

✅Draws 65W instead of 105W, a 40W reduction.
✅Integrated graphics onboard with Radeon R7, while Ryzen 9 5900X needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Ryzen 9 5900X.

Why buy it

✅Better for gaming: +254.3% higher average FPS across 2 shared CPU benchmark tests.
✅200% more PCIe lanes (24 vs 8) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 2 shared CPU benchmark tests.
❌Lower PassMark (3,695 vs 38,955).

Trade-offs

❌Launch MSRP is still $549 MSRP, while A12-9800 mostly shows up through inconsistent older-market listings.
❌61.5% higher power demand at 105W vs 65W.
❌No integrated graphics, while A12-9800 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike A12-9800.

Quick Answers

So, is Ryzen 9 5900X better than A12-9800?

Yes. Ryzen 9 5900X is the better overall CPU here. You are getting a 254.3% average FPS lead across 2 shared CPU game tests in our data, 954.3% 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 5900X is the better pick here. According to our tests, it delivers 254.3% more average FPS across 2 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 5900X is the better fit. You are getting 954.3% better PassMark, backed by 12 cores and 24 threads.

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

Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is at an unclear MSRP at $549 MSRP versus unclear MSRP, and it gives you a 254.3% average FPS lead across 2 shared CPU game tests in our data. It is also 100.0% better value on MSRP (71.0 vs 0.0 PassMark/$), 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 9 5900X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017) and more multi-core headroom with 12 cores / 24 threads instead of 4/4. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

A12-9800 Benchmark Check

Ryzen 9 5900X Benchmark Check

Path of Exile 2

Preset	A12-9800	Ryzen 9 5900X
1080p
low	92 FPS	323 FPS
medium	92 FPS	291 FPS
high	92 FPS	243 FPS
ultra	92 FPS	193 FPS
1440p
low	92 FPS	307 FPS
medium	92 FPS	248 FPS
high	92 FPS	192 FPS
ultra	76 FPS	157 FPS
4K
low	65 FPS	193 FPS
medium	58 FPS	156 FPS
high	45 FPS	115 FPS
ultra	36 FPS	103 FPS

Open A12-9800 Open Ryzen 9 5900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	A12-9800	Ryzen 9 5900X
1080p
low	92 FPS	772 FPS
medium	92 FPS	647 FPS
high	92 FPS	508 FPS
ultra	92 FPS	450 FPS
1440p
low	92 FPS	619 FPS
medium	92 FPS	536 FPS
high	92 FPS	443 FPS
ultra	92 FPS	364 FPS
4K
low	92 FPS	365 FPS
medium	92 FPS	318 FPS
high	92 FPS	289 FPS
ultra	92 FPS	255 FPS

Open A12-9800 Open Ryzen 9 5900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	A12-9800	Ryzen 9 5900X
1080p
low	92 FPS	832 FPS
medium	92 FPS	645 FPS
high	92 FPS	558 FPS
ultra	92 FPS	459 FPS
1440p
low	92 FPS	721 FPS
medium	92 FPS	565 FPS
high	92 FPS	488 FPS
ultra	92 FPS	407 FPS
4K
low	92 FPS	511 FPS
medium	92 FPS	421 FPS
high	92 FPS	374 FPS
ultra	92 FPS	308 FPS

Open A12-9800 Open Ryzen 9 5900X

League of Legends

League of Legends

Valorant

Preset	A12-9800	Ryzen 9 5900X
1080p
low	92 FPS	974 FPS
medium	92 FPS	974 FPS
high	92 FPS	934 FPS
ultra	92 FPS	826 FPS
1440p
low	92 FPS	959 FPS
medium	92 FPS	843 FPS
high	92 FPS	726 FPS
ultra	92 FPS	617 FPS
4K
low	92 FPS	694 FPS
medium	92 FPS	621 FPS
high	92 FPS	541 FPS
ultra	92 FPS	437 FPS

Open A12-9800 Open Ryzen 9 5900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of A12-9800 and Ryzen 9 5900X

A12-9800

The A12-9800 is manufactured by AMD. It was released in 27 July 2017 (8 years ago). It is based on the Bristol Ridge (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.8 GHz, with boost up to 4.2 GHz. L3 cache: 0 kB. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,695 points. Launch price was $139.

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.

⚡

Processing Power

The A12-9800 packs 4 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 4.2 GHz on the A12-9800 versus 4.8 GHz on the Ryzen 9 5900X — a 13.3% clock advantage for the Ryzen 9 5900X (base: 3.8 GHz vs 3.7 GHz). The A12-9800 uses the Bristol Ridge (2016−2019) architecture (28 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the A12-9800 scores 3,695 against the Ryzen 9 5900X's 38,955 — a 165.3% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 635 vs 2,174, a 109.6% lead for the Ryzen 9 5900X that directly translates to higher frame rates. L3 cache: 0 kB on the A12-9800 vs 64 MB on the Ryzen 9 5900X.

Feature	A12-9800	Ryzen 9 5900X
Cores / Threads	4 / 4	12 / 24+200%
Boost Clock	4.2 GHz	4.8 GHz+14%
Base Clock	3.8 GHz+3%	3.7 GHz
L3 Cache	0 kB	64 MB
L2 Cache	2048 kB+300%	512K (per core)
Process	28 nm	7 nm, 12 nm-75%
Architecture	Bristol Ridge (2016−2019)	Vermeer (Zen3) (2020−2022)
PassMark	3,695	38,955+954%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	635	2,174+242%
Geekbench 6 Multi	—	11,888

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Memory & Platform

Both processors use the AM4 socket with PCIe 3.0. Both support up to DDR4-2400 memory speed. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 8 (A12-9800) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370 (A12-9800) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	A12-9800	Ryzen 9 5900X
Socket	AM4	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2400	DDR4-3200
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	8	24+200%

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. The A12-9800 includes integrated graphics (Radeon R7), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: A12-9800 targets Budget, Ryzen 9 5900X targets Workstation. Direct competitor: A12-9800 rivals Pentium G4600; Ryzen 9 5900X rivals Core i9-12900K.