Pentium 6805 vs Ryzen 9 5900X

Pentium 6805 vs Ryzen 9 5900X Performance Spectrum

Pentium 6805

2 / 4

4,424

0.0%

38,955

+780.5%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

About PassMark

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.

Pentium 6805 vs Ryzen 9 5900X FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Pentium 6805 vs Ryzen 9 5900X: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Pentium 6805

2020

Why buy it

✅Costs $388 less on MSRP ($161 MSRP vs $549 MSRP).
✅Draws 15W instead of 105W, a 90W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (4,424 vs 38,955).
❌Smaller total L3 cache (4 MB vs 64 MB).
❌Lower PassMark per dollar, at 27.5 vs 71.0 PassMark/$ ($161 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +253.6% higher average FPS across 50 shared CPU benchmark tests.
✅+1500% larger total L3 cache (64 MB vs 4 MB).
✅Delivers 158.2% more PassMark for each dollar spent, at 71.0 vs 27.5 PassMark/$ ($549 MSRP vs $161 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌
241% HIGHER MSRP
$549 MSRPvs$161 MSRP
❌600% higher power demand at 105W vs 15W.

Quick Answers

So, is Ryzen 9 5900X better than Pentium 6805?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 253.6% average FPS lead across 50 shared CPU game tests in our data, 780.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 253.6% 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 5900X is the stronger fit. You are getting 780.5% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 1500% larger total L3 cache (64 MB vs 4 MB).

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

Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in 241.0% more expensive on MSRP at $549 MSRP versus $161 MSRP, and it still gives you a 253.6% average FPS lead across 50 shared CPU game tests in our data. It is also 158.2% better value on MSRP (71.0 vs 27.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 9 5900X makes more sense long term for 2026 and beyond. You are getting 1500% larger total L3 cache (64 MB vs 4 MB) and more multi-core headroom with 12 cores / 24 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium 6805 vs Ryzen 9 5900X Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Pentium 6805

The Pentium 6805 is manufactured by Intel. It was released in 1 October 2020 (5 years ago). It is based on the Ice Lake-Y (2020) architecture. It features 2 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 3 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1526. Thermal design power (TDP): 15 Watt. Memory support: DDR4-3200, LPDDR4-3733. Passmark benchmark score: 4,424 points. Launch price was $161.

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 Pentium 6805 packs 2 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. Boost clocks reach 3 GHz on the Pentium 6805 versus 4.8 GHz on the Ryzen 9 5900X — a 46.2% clock advantage for the Ryzen 9 5900X (base: 1.1 GHz vs 3.7 GHz). The Pentium 6805 uses the Ice Lake-Y (2020) architecture (10 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Pentium 6805 scores 4,424 against the Ryzen 9 5900X's 38,955 — a 159.2% lead for the Ryzen 9 5900X. L3 cache: 4 MB (total) on the Pentium 6805 vs 64 MB on the Ryzen 9 5900X.

Feature	Pentium 6805	Ryzen 9 5900X
Cores / Threads	2 / 4	12 / 24+500%
Boost Clock	3 GHz	4.8 GHz+60%
Base Clock	1.1 GHz	3.7 GHz+236%
L3 Cache	4 MB (total)	64 MB+1500%
L2 Cache	256 kB (per core)	512K (per core)+100%
Process	10 nm	7 nm, 12 nm-30%
Architecture	Ice Lake-Y (2020)	Vermeer (Zen3) (2020−2022)
PassMark	4,424	38,955+781%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

🧠

Memory & Platform

The Pentium 6805 uses the FCBGA1526 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Pentium 6805	Ryzen 9 5900X
Socket	FCBGA1526	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

🔧

Advanced Features

Virtualization: not specified (Pentium 6805) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

Feature	Pentium 6805	Ryzen 9 5900X
Integrated GPU	—	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Workstation

💰

Value Analysis

At launch, the Pentium 6805 was priced at $161, while the Ryzen 9 5900X came in at $549. On launch pricing ($161 vs $549), Pentium 6805 was $388 cheaper. In terms of value on MSRP (PassMark points per dollar), the Pentium 6805 delivers 27.5 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 88.3% better value option.

Feature	Pentium 6805	Ryzen 9 5900X
MSRP	$161-71%	$549
Performance per Dollar	27.5	71.0+158%
Release Date	2020	2020

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