Core i5-2550K vs Pentium Gold G6500

Intel

Core i5-2550K

4 Cores4 Thrd95 WWMax: 3.8 GHz2012
Similar parts
·······
VS
Intel

Pentium Gold G6500

2 Cores4 Thrd58 WWMax: 4.1 GHz2020
Similar parts
·······

Core i5-2550K vs Pentium Gold G6500 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 i5-2550K vs Pentium Gold G6500 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 i5-2550K vs Pentium Gold G6500: Pros, Cons & Final Verdict

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

Core i5-2550K

2012

Why buy it

  • +1% higher PassMark.
  • +50% larger total L3 cache (6 MB vs 4 MB).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Includes a boxed cooler (Yes), unlike Pentium Gold G6500.

Trade-offs

  • Worse for gaming: lower average FPS than Pentium Gold G6500 across 50 shared CPU benchmark tests.
  • Launch MSRP is still $235 MSRP, while Pentium Gold G6500 mostly shows up through inconsistent older-market listings.
  • 63.8% higher power demand at 95W vs 58W.

Pentium Gold G6500

2020

Why buy it

  • Better for gaming: +5.1% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 58W instead of 95W, a 37W reduction.

Trade-offs

  • Lower PassMark (4,185 vs 4,228).
  • Smaller total L3 cache (4 MB vs 6 MB).
  • No boxed cooler included, unlike Core i5-2550K.

Quick Answers

So, is Pentium Gold G6500 better than Core i5-2550K?
It depends on what you want from the system. For gaming, Pentium Gold G6500 is ahead with a 5.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-2550K pulls ahead with 1% better PassMark. Core i5-2550K also has the bigger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-2550K is the stronger fit. You are getting 1% 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?
Pentium Gold G6500 is still the much better call for a fresh build. Pentium Gold G6500 comes in at an unclear MSRP at unclear MSRP versus $235 MSRP, and it still gives you a 5.1% average FPS lead across 50 shared CPU game tests in our data. Core i5-2550K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2012 platform. Even with 100.0% better value on paper (18.0 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.
Which one is more future-proof for 2026 and beyond?
Pentium Gold G6500 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2012). That makes it the safer long-term bet.

Core i5-2550K vs Pentium Gold G6500 Technical Specifications

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

Intel

Core i5-2550K

The Core i5-2550K is manufactured by Intel. It was released in Janeiro 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.4 GHz, with boost up to 3.8 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: 4,228 points. Launch price was $189.

Intel

Pentium Gold G6500

The Pentium Gold G6500 is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake (2020−2025) architecture. It features 2 cores and 4 threads. Base frequency is 4.1 GHz, with boost up to 4.1 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,185 points. Launch price was $69.

Processing Power

The Core i5-2550K packs 4 cores / 4 threads, while the Pentium Gold G6500 offers 2 cores / 4 threads — the Core i5-2550K has 2 more cores. Boost clocks reach 3.8 GHz on the Core i5-2550K versus 4.1 GHz on the Pentium Gold G6500 — a 7.6% clock advantage for the Pentium Gold G6500 (base: 3.4 GHz vs 4.1 GHz). The Core i5-2550K uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium Gold G6500 uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i5-2550K scores 4,228 against the Pentium Gold G6500's 4,185 — a 1% lead for the Core i5-2550K. L3 cache: 6144 kB (total) on the Core i5-2550K vs 4 MB (total) on the Pentium Gold G6500.

FeatureCore i5-2550KPentium Gold G6500
Cores / Threads
4 / 4+100%
2 / 4
Boost Clock
3.8 GHz
4.1 GHz+8%
Base Clock
3.4 GHz
4.1 GHz+21%
L3 Cache
6144 kB (total)+50%
4 MB (total)
L2 Cache
256 kB (per core)
256K (per core)
Process
32 nm
14 nm-56%
Architecture
Sandy Bridge (2011−2013)
Comet Lake (2020−2025)
PassMark
4,228+1%
4,185
Cinebench R23 Multi
4,058
Geekbench 6 Single
707
Geekbench 6 Multi
2,010
🧠

Memory & Platform

The Core i5-2550K uses the LGA1155 socket (PCIe 2.0), while the Pentium Gold G6500 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i5-2550KPentium Gold G6500
Socket
LGA1155
LGA1200
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1600
Max RAM Capacity
32 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
🔧

Advanced Features

Virtualization: Yes (Core i5-2550K) / not specified (Pentium Gold G6500).

FeatureCore i5-2550KPentium Gold G6500
Integrated GPU
No
AVX-512
No
Virtualization
Yes