Athlon 300U vs Core i7-2675QM

Athlon 300U vs Core i7-2675QM Performance Spectrum

Athlon 300U

2 / 4

3,861

0.0%

Ryzen Threadripper 3990X

Core i7-2675QM

4 / 8

3,913

+1.3%

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 300U vs Core i7-2675QM 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 300U vs Core i7-2675QM: Pros, Cons & Final Verdict

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

Athlon 300U

2019

Why buy it

✅Draws 15W instead of 45W, a 30W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-2675QM across 50 shared CPU benchmark tests.
❌Lower PassMark (3,861 vs 3,913).
❌Smaller total L3 cache (4 MB vs 6 MB).

Core i7-2675QM

2011

Why buy it

✅Better for gaming: +7.6% higher average FPS across 50 shared CPU benchmark tests.
✅+50% larger total L3 cache (6 MB vs 4 MB).
✅33.3% more PCIe lanes (16 vs 12) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $378 MSRP, while Athlon 300U mostly shows up through inconsistent older-market listings.
❌200% higher power demand at 45W vs 15W.

Quick Answers

So, is Core i7-2675QM better than Athlon 300U?

Yes. Core i7-2675QM is the better all-around CPU here. It gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i7-2675QM is the better pick. According to our tests, it delivers 7.6% 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, Core i7-2675QM is the stronger fit. You are getting 1.3% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).

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

Core i7-2675QM is the better buy right now. Core i7-2675QM comes in at an unclear MSRP at $378 MSRP versus unclear MSRP, and it still gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (10.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon 300U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2011). That makes it the safer long-term bet.

Athlon 300U vs Core i7-2675QM Technical Specifications

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

Athlon 300U

The Athlon 300U is manufactured by AMD. It was released in 2009-01-01. It is based on the Raven Ridge 2 (2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 3,861 points. Launch price was $149.

Core i7-2675QM

The Core i7-2675QM is manufactured by Intel. It was released in 12 October 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: FCBGA1224. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 3,913 points. Launch price was $378.

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Processing Power

The Athlon 300U packs 2 cores / 4 threads, while the Core i7-2675QM offers 4 cores / 8 threads — the Core i7-2675QM has 2 more cores. Boost clocks reach 3.3 GHz on the Athlon 300U versus 3.1 GHz on the Core i7-2675QM — a 6.2% clock advantage for the Athlon 300U (base: 2.4 GHz vs 2.2 GHz). The Athlon 300U uses the Raven Ridge 2 (2019) architecture (14 nm), while the Core i7-2675QM uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Athlon 300U scores 3,861 against the Core i7-2675QM's 3,913 — a 1.3% lead for the Core i7-2675QM. L3 cache: 4 MB (total) on the Athlon 300U vs 6 MB (total) on the Core i7-2675QM.

Feature	Athlon 300U	Core i7-2675QM
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	3.3 GHz+6%	3.1 GHz
Base Clock	2.4 GHz+9%	2.2 GHz
L3 Cache	4 MB (total)	6 MB (total)+50%
L2 Cache	512K (per core)+100%	256K (per core)
Process	14 nm-56%	32 nm
Architecture	Raven Ridge 2 (2019)	Sandy Bridge (2011−2013)
PassMark	3,861	3,913+1%
Geekbench 6 Single	900	—
Geekbench 6 Multi	1,800	—

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Memory & Platform

The Athlon 300U uses the FP5 socket (PCIe 3.0), while the Core i7-2675QM uses FCBGA1224 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Athlon 300U versus DDR3-1333 on the Core i7-2675QM — the Athlon 300U supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon 300U supports up to 32 GB of RAM compared to 16 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Athlon 300U) vs 16 (Core i7-2675QM) — the Core i7-2675QM offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Athlon 300U	Core i7-2675QM
Socket	FP5	FCBGA1224
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2400+80%	DDR3-1333
Max RAM Capacity	32 GB+100%	16 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	12	16+33%

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Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (Athlon 300U) vs VT-x (Core i7-2675QM). Both include integrated graphics — Radeon RX Vega 3 (Athlon 300U) and HD Graphics 3000 (Core i7-2675QM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Athlon 300U targets Budget Laptop, Core i7-2675QM targets Mobile.