Core i5-2300 vs Xeon W5580

Intel

Core i5-2300

4 Cores4 Thrd95 WWMax: 3.1 GHz2011
Similar parts
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VS
Intel

Xeon W5580

4 Cores8 Thrd130 WWMax: 3.46 GHz2009
Similar parts
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Core i5-2300 vs Xeon W5580 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 i5-2300 vs Xeon W5580 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 i5-2300 vs Xeon W5580: Pros, Cons & Final Verdict

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

Core i5-2300

2011

Why buy it

  • +0.5% higher PassMark.
  • Draws 95W instead of 130W, a 35W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Intel HD Graphics 2000, while Xeon W5580 needs a discrete GPU.
  • Includes a boxed cooler (Yes), unlike Xeon W5580.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon W5580 across 50 shared CPU benchmark tests.
  • Smaller total L3 cache (6 MB vs 8 MB).
  • Less compelling for workstation-style loads than Xeon W5580, which brings 4 cores / 8 threads.
  • Launch MSRP is still $177 MSRP, while Xeon W5580 mostly shows up through inconsistent older-market listings.

Xeon W5580

2009

Why buy it

  • Better for gaming: +8.5% higher average FPS across 50 shared CPU benchmark tests.
  • +33.3% larger total L3 cache (8 MB vs 6 MB).
  • Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

  • Lower PassMark (3,459 vs 3,475).
  • 36.8% higher power demand at 130W vs 95W.
  • No integrated graphics, while Core i5-2300 can still boot and troubleshoot without a discrete GPU.
  • No boxed cooler included, unlike Core i5-2300.

Quick Answers

So, is Core i5-2300 better than Xeon W5580?
Not really, because they are built for different jobs. Xeon W5580 makes more sense for workstation-style multi-core throughput, while Core i5-2300 is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-2300 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?
Core i5-2300 is the better buy right now. Core i5-2300 comes in at an unclear MSRP at $177 MSRP versus unclear MSRP, and it still gives you 0.5% better PassMark. The compromise is that Xeon W5580 is still the better pure gaming CPU with a 8.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (19.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-2300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2009) and more multi-core headroom with 4 cores / 4 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-2300 vs Xeon W5580 Technical Specifications

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

Intel

Core i5-2300

The Core i5-2300 is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.1 GHz. L3 cache: 6144 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,475 points. Launch price was $168.

Intel

Xeon W5580

The Xeon W5580 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.2 GHz, with boost up to 3.46 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,459 points. Launch price was $102.

Processing Power

The Core i5-2300 packs 4 cores / 4 threads, matching the Xeon W5580's 4 cores. Boost clocks reach 3.1 GHz on the Core i5-2300 versus 3.46 GHz on the Xeon W5580 — a 11% clock advantage for the Xeon W5580 (base: 2.8 GHz vs 3.2 GHz). The Core i5-2300 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Xeon W5580 uses Gainestown (2009−2010) (45 nm). In PassMark, the Core i5-2300 scores 3,475 against the Xeon W5580's 3,459 — a 0.5% lead for the Core i5-2300. L3 cache: 6144 kB (total) on the Core i5-2300 vs 8 MB (total) on the Xeon W5580.

FeatureCore i5-2300Xeon W5580
Cores / Threads
4 / 4
4 / 8
Boost Clock
3.1 GHz
3.46 GHz+12%
Base Clock
2.8 GHz
3.2 GHz+14%
L3 Cache
6144 kB (total)
8 MB (total)+33%
L2 Cache
256 kB (per core)
256 kB (per core)
Process
32 nm-29%
45 nm
Architecture
Sandy Bridge (2011−2013)
Gainestown (2009−2010)
PassMark
3,475
3,459
Geekbench 6 Single
516
Geekbench 6 Multi
1,515
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Memory & Platform

The Core i5-2300 uses the LGA1155 socket (PCIe 2.0), while the Xeon W5580 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore i5-2300Xeon W5580
Socket
LGA1155
LGA1366
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3-1333
Max RAM Capacity
32 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: Yes (Core i5-2300) / not specified (Xeon W5580). The Core i5-2300 includes integrated graphics (Intel HD Graphics 2000), while the Xeon W5580 requires a dedicated GPU.

FeatureCore i5-2300Xeon W5580
Integrated GPU
Yes
IGPU Model
Intel HD Graphics 2000
AVX-512
No
Virtualization
Yes