Core m7-6Y75 vs Phenom II X4 840T

Core m7-6Y75 vs Phenom II X4 840T Performance Spectrum

Core m7-6Y75

2 / 4

2,363

0.0%

2,367

+0.2%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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.

Core m7-6Y75 vs Phenom II X4 840T 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.

Core m7-6Y75 vs Phenom II X4 840T: Pros, Cons & Final Verdict

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

Core m7-6Y75

2015

Why buy it

Trade-offs

❌Lower PassMark (2,363 vs 2,367).
❌Smaller total L3 cache (4 MB vs 6 MB).
❌Launch MSRP is still $393 MSRP, while Phenom II X4 840T mostly shows up through inconsistent older-market listings.
❌438.9% higher power demand at 512W vs 95W.

Phenom II X4 840T

2010

Why buy it

✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Draws 95W instead of 512W, a 417W reduction.

Trade-offs

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

Quick Answers

So, is Phenom II X4 840T better than Core m7-6Y75?

Yes. Phenom II X4 840T is the better all-around CPU here. It gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data and 0.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Phenom II X4 840T is the better pick. According to our tests, it delivers 0.4% 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, Phenom II X4 840T is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 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?

Phenom II X4 840T is the easy recommendation for a fresh desktop build. Phenom II X4 840T comes in at an unclear MSRP at unclear MSRP versus $393 MSRP, and it still gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data. Core m7-6Y75 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games.

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.

Core m7-6Y75 vs Phenom II X4 840T Technical Specifications

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

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.

Phenom II X4 840T

The Phenom II X4 840T is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Zosma (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). 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: 2,367 points. Launch price was $80.

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Processing Power

The Core m7-6Y75 packs 2 cores / 4 threads, while the Phenom II X4 840T offers 4 cores / 4 threads — the Phenom II X4 840T has 2 more cores. Boost clocks reach 3.1 GHz on the Core m7-6Y75 versus 3.2 GHz on the Phenom II X4 840T — a 3.2% clock advantage for the Phenom II X4 840T (base: 1.2 GHz vs 2.9 GHz). The Core m7-6Y75 uses the Skylake-Y (2015) architecture (14 nm), while the Phenom II X4 840T uses Zosma (2010−2011) (45 nm). In PassMark, the Core m7-6Y75 scores 2,363 against the Phenom II X4 840T's 2,367 — a 0.2% lead for the Phenom II X4 840T. L3 cache: 4 MB (total) on the Core m7-6Y75 vs 6 MB (total) on the Phenom II X4 840T.

Feature	Core m7-6Y75	Phenom II X4 840T
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.1 GHz	3.2 GHz+3%
Base Clock	1.2 GHz	2.9 GHz+142%
L3 Cache	4 MB (total)	6 MB (total)+50%
L2 Cache	256 kB (per core)	512 kB (per core)+100%
Process	14 nm-69%	45 nm
Architecture	Skylake-Y (2015)	Zosma (2010−2011)
PassMark	2,363	2,367

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Memory & Platform

The Core m7-6Y75 uses the FCBGA1515 socket (PCIe 3.0), while the Phenom II X4 840T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.