Core 2 Duo P7550 vs Phenom II X4 B95

Intel

Core 2 Duo P7550

2 Cores2 Thrd3 WWMax: 2.26 GHz2009
Similar parts
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VS
AMD

Phenom II X4 B95

4 Cores4 Thrd95 WWMax: 3 GHz2009
Similar parts
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Core 2 Duo P7550 vs Phenom II X4 B95 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.

Core 2 Duo P7550 vs Phenom II X4 B95 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 2 Duo P7550 vs Phenom II X4 B95: Pros, Cons & Final Verdict

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

Core 2 Duo P7550

2009

Why buy it

  • +0.5% higher PassMark.
  • Draws 3W instead of 95W, a 92W reduction.

Trade-offs

  • Smaller total L3 cache (3 MB vs 6 MB).

Phenom II X4 B95

2009

Why buy it

  • +100% larger total L3 cache (6 MB vs 3 MB).

Trade-offs

  • Lower PassMark (2,427 vs 2,439).
  • 3066.7% higher power demand at 95W vs 3W.

Quick Answers

So, is Core 2 Duo P7550 better than Phenom II X4 B95?
It depends on what you want from the system. For gaming, Phenom II X4 B95 is ahead with a 0.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo P7550 pulls ahead with 0.5% better PassMark. Phenom II X4 B95 also has the bigger cache pool with 100% larger total L3 cache (6 MB vs 3 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core 2 Duo P7550 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?
Core 2 Duo P7550 still makes the most sense overall. Core 2 Duo P7550 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.5% better PassMark.
Which one is more future-proof for 2026 and beyond?
Phenom II X4 B95 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Core 2 Duo P7550 vs Phenom II X4 B95 Technical Specifications

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

Intel

Core 2 Duo P7550

The Core 2 Duo P7550 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.26 GHz, with boost up to 2.26 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,439 points. Launch price was $249.

AMD

Phenom II X4 B95

The Phenom II X4 B95 is manufactured by AMD. It was released in 1 October 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 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: 2,427 points. Launch price was $80.

Processing Power

The Core 2 Duo P7550 packs 2 cores / 2 threads, while the Phenom II X4 B95 offers 4 cores / 4 threads — the Phenom II X4 B95 has 2 more cores. Boost clocks reach 2.26 GHz on the Core 2 Duo P7550 versus 3 GHz on the Phenom II X4 B95 — a 28.1% clock advantage for the Phenom II X4 B95 (base: 2.26 GHz vs 3 GHz). The Core 2 Duo P7550 uses the Penryn (2008−2011) architecture (45 nm), while the Phenom II X4 B95 uses Deneb (2009−2011) (45 nm). In PassMark, the Core 2 Duo P7550 scores 2,439 against the Phenom II X4 B95's 2,427 — a 0.5% lead for the Core 2 Duo P7550. L3 cache: 3 MB L2 Cache on the Core 2 Duo P7550 vs 6 MB (total) on the Phenom II X4 B95.

FeatureCore 2 Duo P7550Phenom II X4 B95
Cores / Threads
2 / 2
4 / 4+100%
Boost Clock
2.26 GHz
3 GHz+33%
Base Clock
2.26 GHz
3 GHz+33%
L3 Cache
3 MB L2 Cache
6 MB (total)+100%
L2 Cache
3 MB+500%
512 kB (per core)
Process
45 nm
45 nm
Architecture
Penryn (2008−2011)
Deneb (2009−2011)
PassMark
2,439
2,427
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Memory & Platform

The Core 2 Duo P7550 uses the PGA478 socket (PCIe 1.1), while the Phenom II X4 B95 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore 2 Duo P7550Phenom II X4 B95
Socket
PGA478
AM3
PCIe Generation
PCIe 1.1
PCIe 2.0+82%