Athlon X2 QL-66 vs Pentium G2100T

Athlon X2 QL-66 vs Pentium G2100T Performance Spectrum

Athlon X2 QL-66

2 / 2

1,695

+0.2%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium G2100T

2 / 2

1,691

0.0%

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.

Athlon X2 QL-66 vs Pentium G2100T 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.

Athlon X2 QL-66 vs Pentium G2100T: Pros, Cons & Final Verdict

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

Athlon X2 QL-66

2009

Why buy it

✅+0.2% higher PassMark.
✅Draws 1W instead of 35W, a 34W reduction.

Trade-offs

❌Lower PassMark per dollar, at 11.3 vs 22.5 PassMark/$ ($150 MSRP vs $75 MSRP).

Pentium G2100T

2012

Why buy it

✅Costs $75 less on MSRP ($75 MSRP vs $150 MSRP).
✅Delivers 99.5% more PassMark for each dollar spent, at 22.5 vs 11.3 PassMark/$ ($75 MSRP vs $150 MSRP).

Trade-offs

❌Lower PassMark (1,691 vs 1,695).
❌3400% higher power demand at 35W vs 1W.

Quick Answers

So, is Pentium G2100T better than Athlon X2 QL-66?

It depends on what you want from the system. For gaming, Pentium G2100T is ahead with a 2.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon X2 QL-66 pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon X2 QL-66 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Pentium G2100T is the better buy right now. Pentium G2100T comes in $75 cheaper on MSRP at $75 MSRP versus $150 MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Athlon X2 QL-66 is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 99.5% better value on MSRP (22.5 vs 11.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium G2100T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2009). That makes it the safer long-term bet.

Athlon X2 QL-66 vs Pentium G2100T Technical Specifications

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

Athlon X2 QL-66

The Athlon X2 QL-66 is manufactured by AMD. It was released in 2009-01-01. It is based on the Lion (2008−2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,695 points. Launch price was $149.

Pentium G2100T

The Pentium G2100T is manufactured by Intel. It was released in 2007-01-01. It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,691 points. Launch price was $69.

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Processing Power

Both the Athlon X2 QL-66 and Pentium G2100T share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Athlon X2 QL-66 versus 2.6 GHz on the Pentium G2100T — a 16.7% clock advantage for the Pentium G2100T. The Athlon X2 QL-66 uses the Lion (2008−2009) architecture (65 nm), while the Pentium G2100T uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Athlon X2 QL-66 scores 1,695 against the Pentium G2100T's 1,691 — a 0.2% lead for the Athlon X2 QL-66.

Feature	Athlon X2 QL-66	Pentium G2100T
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.2 GHz	2.6 GHz+18%
Base Clock	—	2.6 GHz
L3 Cache	—	3 MB (total)
L2 Cache	1 MB+300%	256 kB (per core)
Process	65 nm	22 nm-66%
Architecture	Lion (2008−2009)	Ivy Bridge (2012−2013)
PassMark	1,695	1,691

🧠

Memory & Platform

The Athlon X2 QL-66 uses the S1g2 socket (PCIe 2.0), while the Pentium G2100T uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Athlon X2 QL-66	Pentium G2100T
Socket	S1g2	LGA1155
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR2-667	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

💰

Value Analysis

At launch, the Athlon X2 QL-66 was priced at $150, while the Pentium G2100T came in at $75. On launch pricing ($150 vs $75), Pentium G2100T was $75 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon X2 QL-66 delivers 11.3 pts/$ vs 22.5 pts/$ for the Pentium G2100T — making the Pentium G2100T the 66.5% better value option.

Feature	Athlon X2 QL-66	Pentium G2100T
MSRP	$150	$75-50%
Performance per Dollar	11.3	22.5+99%
Release Date	2009	2012

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