Athlon II M300 vs Pentium G2100T

AMD

Athlon II M300

2 Cores2 Thrd1 WWMax: 2 GHz2009
Similar parts
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VS
Intel

Pentium G2100T

2 Cores2 Thrd35 WWMax: 2.6 GHz2012
Similar parts
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Athlon II M300 vs Pentium G2100T Performance Spectrum

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 II M300 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 II M300 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 II M300

2009

Why buy it

  • +0.5% higher PassMark.
  • Draws 1W instead of 35W, a 34W reduction.

Trade-offs

  • Lower PassMark per dollar, at 17.0 vs 22.5 PassMark/$ ($100 MSRP vs $75 MSRP).

Pentium G2100T

2012

Why buy it

  • Costs $25 less on MSRP ($75 MSRP vs $100 MSRP).
  • Delivers 32.6% more PassMark for each dollar spent, at 22.5 vs 17.0 PassMark/$ ($75 MSRP vs $100 MSRP).

Trade-offs

  • Lower PassMark (1,691 vs 1,700).
  • 3400% higher power demand at 35W vs 1W.

Quick Answers

So, is Pentium G2100T better than Athlon II M300?
It depends on what you want from the system. For gaming, Pentium G2100T is ahead with a 2.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon II M300 pulls ahead with 0.5% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Athlon II M300 is the stronger fit. You are getting 0.5% 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 $25 cheaper on MSRP at $75 MSRP versus $100 MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Athlon II M300 is still stronger for heavier multi-core work with 0.5% better PassMark. It is also 32.6% better value on MSRP (22.5 vs 17.0 PassMark/$), 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 II M300 vs Pentium G2100T Technical Specifications

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

AMD

Athlon II M300

The Athlon II M300 is manufactured by AMD. It was released in 2009-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 1 MB. Memory support: DDR2. Passmark benchmark score: 1,700 points. Launch price was $149.

Intel

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.

Processing Power

Both the Athlon II M300 and Pentium G2100T share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Athlon II M300 versus 2.6 GHz on the Pentium G2100T — a 26.1% clock advantage for the Pentium G2100T. The Athlon II M300 uses the Caspian (2009) architecture (45 nm), while the Pentium G2100T uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Athlon II M300 scores 1,700 against the Pentium G2100T's 1,691 — a 0.5% lead for the Athlon II M300.

FeatureAthlon II M300Pentium G2100T
Cores / Threads
2 / 2
2 / 2
Boost Clock
2 GHz
2.6 GHz+30%
Base Clock
2.6 GHz
L3 Cache
3 MB (total)
L2 Cache
1 MB+300%
256 kB (per core)
Process
45 nm
22 nm-51%
Architecture
Caspian (2009)
Ivy Bridge (2012−2013)
PassMark
1,700
1,691
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Memory & Platform

The Athlon II M300 uses the S1g3 socket (PCIe 2.0), while the Pentium G2100T uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureAthlon II M300Pentium G2100T
Socket
S1g3
LGA1155
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
800
Max RAM Capacity
8
RAM Channels
2
ECC Support
No
PCIe Lanes
0
🔧

Advanced Features

Virtualization: true (Athlon II M300) / not specified (Pentium G2100T). Direct competitor: Athlon II M300 rivals Core 2 Duo T6400.

FeatureAthlon II M300Pentium G2100T
Integrated GPU
No
IGPU Model
None
Unlocked
No
AVX-512
No
Virtualization
true
💰

Value Analysis

At launch, the Athlon II M300 was priced at $100, while the Pentium G2100T came in at $75. On launch pricing ($100 vs $75), Pentium G2100T was $25 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II M300 delivers 17.0 pts/$ vs 22.5 pts/$ for the Pentium G2100T — making the Pentium G2100T the 28.1% better value option.

FeatureAthlon II M300Pentium G2100T
MSRP
$100
$75-25%
Performance per Dollar
17.0
22.5+32%
Release Date
2009
2012

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