A6-3400M vs Pentium G620

A6-3400M vs Pentium G620 Performance Spectrum

A6-3400M

4 / 4

1,223

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium G620

2 / 2

1,238

+1.2%

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.

A6-3400M vs Pentium G620 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.

A6-3400M vs Pentium G620: Pros, Cons & Final Verdict

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

A6-3400M

2011

Why buy it

✅Draws 35W instead of 65W, a 30W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon HD 6520G, while Pentium G620 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,223 vs 1,238).

Pentium G620

2011

Why buy it

Trade-offs

❌Launch MSRP is still $64 MSRP, while A6-3400M mostly shows up through inconsistent older-market listings.
❌85.7% higher power demand at 65W vs 35W.
❌No integrated graphics, while A6-3400M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium G620 better than A6-3400M?

Yes. Pentium G620 is the better all-around CPU here. It gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data and 1.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium G620 is the better pick. According to our tests, it delivers 1.6% 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, Pentium G620 is the stronger fit. You are getting 1.2% better PassMark, backed by 2 cores and 2 threads.

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

Pentium G620 is the better buy right now. Pentium G620 comes in at an unclear MSRP at $64 MSRP versus unclear MSRP, and it still gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (19.3 vs 0.0 PassMark/$), 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 G620 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

A6-3400M vs Pentium G620 Technical Specifications

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

A6-3400M

The A6-3400M is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 1.4 GHz, with boost up to 2.3 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FS1. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,223 points. Launch price was $70.

Pentium G620

The Pentium G620 is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) 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 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,238 points. Launch price was $60.

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Processing Power

The A6-3400M packs 4 cores / 4 threads, while the Pentium G620 offers 2 cores / 2 threads — the A6-3400M has 2 more cores. Boost clocks reach 2.3 GHz on the A6-3400M versus 2.6 GHz on the Pentium G620 — a 12.2% clock advantage for the Pentium G620 (base: 1.4 GHz vs 2.6 GHz). The A6-3400M uses the Llano (2011−2012) architecture (32 nm), while the Pentium G620 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the A6-3400M scores 1,223 against the Pentium G620's 1,238 — a 1.2% lead for the Pentium G620. L3 cache: 0 kB on the A6-3400M vs 3 MB (total) on the Pentium G620.

Feature	A6-3400M	Pentium G620
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.3 GHz	2.6 GHz+13%
Base Clock	1.4 GHz	2.6 GHz+86%
L3 Cache	0 kB	3 MB (total)
L2 Cache	1 MB (per core)+300%	256 kB (per core)
Process	32 nm	32 nm
Architecture	Llano (2011−2012)	Sandy Bridge (2011−2013)
PassMark	1,223	1,238+1%
Geekbench 6 Single	218	—

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Memory & Platform

The A6-3400M uses the FS1 socket (PCIe 2.0), while the Pentium G620 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	A6-3400M	Pentium G620
Socket	FS1	LGA1155
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: AMD-V (A6-3400M) / not specified (Pentium G620). The A6-3400M includes integrated graphics (Radeon HD 6520G), while the Pentium G620 requires a dedicated GPU. Primary use case: A6-3400M targets Budget Laptop. Direct competitor: A6-3400M rivals Core i3-2310M.