Pentium 6805 vs Phenom II X3 P840

Pentium 6805 vs Phenom II X3 P840 Performance Spectrum

Pentium 6805

2 / 4

4,424

0.0%

4,425

0.0%

Ryzen Threadripper PRO 7965WX

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 Phenom II X3 P840 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 Phenom II X3 P840: 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

Trade-offs

❌Worse for gaming: lower average FPS than Phenom II X3 P840 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,424 vs 4,425).
❌Launch MSRP is still $161 MSRP, while Phenom II X3 P840 mostly shows up through inconsistent older-market listings.
❌900% higher power demand at 15W vs 1.5W.

Phenom II X3 P840

2010

Why buy it

✅Better for gaming: +5.3% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 2W instead of 15W, a 14W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Phenom II X3 P840 better than Pentium 6805?

Yes. Phenom II X3 P840 is the better all-around CPU here. It gives you a 5.3% average FPS lead across 50 shared CPU game tests in our data and 0% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Phenom II X3 P840 is the better pick. 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, Phenom II X3 P840 is the stronger fit. You are getting 0% better PassMark, backed by 3 cores and 3 threads.

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

Phenom II X3 P840 is the easy recommendation for a fresh desktop build. Phenom II X3 P840 comes in at an unclear MSRP at unclear MSRP versus $161 MSRP, and it still gives you a 5.3% average FPS lead across 50 shared CPU game tests in our data. Pentium 6805 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 5.3% in the shared gaming data.

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

Pentium 6805 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2010). That makes it the safer long-term bet.

Pentium 6805 vs Phenom II X3 P840 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.

Phenom II X3 P840

The Phenom II X3 P840 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 3 cores and 3 threads. Max frequency: 1.9 GHz. L2 cache: 1.5 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1.5 MB. Memory support: DDR3. Passmark benchmark score: 4,425 points. Launch price was $149.

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Processing Power

The Pentium 6805 packs 2 cores / 4 threads, while the Phenom II X3 P840 offers 3 cores / 3 threads — the Phenom II X3 P840 has 1 more core. Boost clocks reach 3 GHz on the Pentium 6805 versus 1.9 GHz on the Phenom II X3 P840 — a 44.9% clock advantage for the Pentium 6805. The Pentium 6805 uses the Ice Lake-Y (2020) architecture (10 nm), while the Phenom II X3 P840 uses Champlain (2010−2011) (45 nm). In PassMark, the Pentium 6805 scores 4,424 against the Phenom II X3 P840's 4,425 — a 0% lead for the Phenom II X3 P840.

Feature	Pentium 6805	Phenom II X3 P840
Cores / Threads	2 / 4	3 / 3+50%
Boost Clock	3 GHz+58%	1.9 GHz
Base Clock	1.1 GHz	—
L3 Cache	4 MB (total)	—
L2 Cache	256 kB (per core)	1.5 MB+500%
Process	10 nm-78%	45 nm
Architecture	Ice Lake-Y (2020)	Champlain (2010−2011)
PassMark	4,424	4,425

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Memory & Platform

The Pentium 6805 uses the FCBGA1526 socket (PCIe 3.0), while the Phenom II X3 P840 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.