Athlon II X4 645 vs Core m7-6Y75

Athlon II X4 645 vs Core m7-6Y75 Performance Spectrum

Athlon II X4 645

4 / 4

2,375

+0.5%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core m7-6Y75

2 / 4

2,363

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 II X4 645 vs Core m7-6Y75 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 X4 645 vs Core m7-6Y75: 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 X4 645

2010

Why buy it

✅Better for gaming: +3.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $267 less on MSRP ($126 MSRP vs $393 MSRP).
✅Delivers 213.5% more PassMark for each dollar spent, at 18.8 vs 6.0 PassMark/$ ($126 MSRP vs $393 MSRP).
✅Draws 95W instead of 512W, a 417W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

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

Core m7-6Y75

2015

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Athlon II X4 645 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,363 vs 2,375).
❌Lower PassMark per dollar, at 6.0 vs 18.8 PassMark/$ ($393 MSRP vs $126 MSRP).
❌438.9% higher power demand at 512W vs 95W.
❌No boxed cooler included, unlike Athlon II X4 645.

Quick Answers

So, is Athlon II X4 645 better than Core m7-6Y75?

Yes. Athlon II X4 645 is the better all-around CPU here. It gives you a 3.6% average FPS lead across 50 shared CPU game tests in our data and 0.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon II X4 645 is the better pick. According to our tests, it delivers 3.6% 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, Athlon II X4 645 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 4 threads.

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

Athlon II X4 645 is the better buy right now. Athlon II X4 645 comes in $267 cheaper on MSRP at $126 MSRP versus $393 MSRP, and it still gives you a 3.6% average FPS lead across 50 shared CPU game tests in our data. It is also 213.5% better value on MSRP (18.8 vs 6.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core m7-6Y75 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2010). That makes it the safer long-term bet.

Athlon II X4 645 vs Core m7-6Y75 Technical Specifications

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

Athlon II X4 645

The Athlon II X4 645 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,375 points. Launch price was $80.

Core m7-6Y75

The Core m7-6Y75 is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake-Y (2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 3.1 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 2,363 points. Launch price was $393.

⚡

Processing Power

The Athlon II X4 645 packs 4 cores / 4 threads, while the Core m7-6Y75 offers 2 cores / 4 threads — the Athlon II X4 645 has 2 more cores. Boost clocks reach 3.1 GHz on the Athlon II X4 645 versus 3.1 GHz on the Core m7-6Y75 — identical boost frequencies (base: 3.1 GHz vs 1.2 GHz). The Athlon II X4 645 uses the Propus (2009−2011) architecture (45 nm), while the Core m7-6Y75 uses Skylake-Y (2015) (14 nm). In PassMark, the Athlon II X4 645 scores 2,375 against the Core m7-6Y75's 2,363 — a 0.5% lead for the Athlon II X4 645. L3 cache: 0 kB on the Athlon II X4 645 vs 4 MB (total) on the Core m7-6Y75.

Feature	Athlon II X4 645	Core m7-6Y75
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	3.1 GHz	3.1 GHz
Base Clock	3.1 GHz+158%	1.2 GHz
L3 Cache	0 kB	4 MB (total)
L2 Cache	512 kB (per core)+100%	256 kB (per core)
Process	45 nm	14 nm-69%
Architecture	Propus (2009−2011)	Skylake-Y (2015)
PassMark	2,375	2,363
Cinebench R23 Multi	1,374	—
Geekbench 6 Single	399	—
Geekbench 6 Multi	1,374	—

🧠

Memory & Platform

The Athlon II X4 645 uses the AM3 socket (PCIe 2.0), while the Core m7-6Y75 uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Athlon II X4 645	Core m7-6Y75
Socket	AM3	FCBGA1515
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: Yes (Athlon II X4 645) / not specified (Core m7-6Y75). Primary use case: Athlon II X4 645 targets Desktop.

Feature	Athlon II X4 645	Core m7-6Y75
Integrated GPU	No	—
AVX-512	No	—
Virtualization	Yes	—
Target Use	Desktop	—

💰

Value Analysis

At launch, the Athlon II X4 645 was priced at $126, while the Core m7-6Y75 came in at $393. On launch pricing ($126 vs $393), Athlon II X4 645 was $267 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X4 645 delivers 18.8 pts/$ vs 6.0 pts/$ for the Core m7-6Y75 — making the Athlon II X4 645 the 103.3% better value option.

Feature	Athlon II X4 645	Core m7-6Y75
MSRP	$126-68%	$393
Performance per Dollar	18.8+213%	6.0
Release Date	2010	2015

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